Only reset origin in main view when handling the selection of a new file

as @jesseduffield pointed in #358, need to refer
confirmation panel view explicitly in case something
else has focus

Co-Authored-By: KOREAN139 <korean139@gmail.com>

.circleci/config.yml

@@ -0,0 +1,73 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/golang:1.11
+    working_directory: /go/src/github.com/jesseduffield/lazygit
+    steps:
+      - checkout
+      - run:
+          name: Ensure go.mod file is up to date
+          command: |
+            export GO111MODULE=on
+            rm go.sum
+            mv go.mod /tmp/
+            go mod init
+            export GO111MODULE=auto
+
+            if [ $(diff /tmp/go.mod go.mod|wc -l) -gt 0 ]; then
+              diff /tmp/go.mod go.mod
+              exit 1;
+            fi
+      - run:
+          name: Run gofmt -s
+          command: |
+            if [ $(find . ! -path "./vendor/*" -name "*.go" -exec gofmt -s -d {} \;|wc -l) -gt 0 ]; then
+             find . ! -path "./vendor/*" -name "*.go" -exec gofmt -s -d {} \;
+             exit 1;
+            fi
+      - restore_cache:
+          keys:
+            - pkg-cache-{{ checksum "Gopkg.lock" }}-v3
+      - run:
+          name: Run tests
+          command: |
+            ./test.sh
+      - run:
+          name: Compile project on every platform
+          command: |
+            go get github.com/mitchellh/gox
+            gox -parallel 10 -os "linux freebsd netbsd windows" -osarch "darwin/i386 darwin/amd64"
+      - run:
+          name: Push on codecov result
+          command: |
+            bash <(curl -s https://codecov.io/bash)
+      - save_cache:
+          key: pkg-cache-{{ checksum "Gopkg.lock" }}-v3
+          paths:
+            - ~/.cache/go-build
+
+  release:
+    docker:
+      - image: circleci/golang:1.10
+    working_directory: /go/src/github.com/jesseduffield/lazygit
+    steps:
+      - checkout
+      - run:
+          name: Run gorelease
+          command: |
+            curl -sL https://git.io/goreleaser | bash
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - build
+  release:
+    jobs:
+      - release:
+          filters:
+            tags:
+              only: /v[0-9]+(\.[0-9]+)*/
+            branches:
+              ignore: /.*/

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,29 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. Windows]
+ - Lazygit Version [e.g. v0.1.45]
+ - The last commit id if you built project from sources (run : ```git-rev parse HEAD```)
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.gitignore

@@ -1,7 +1,26 @@
-development.log
-commands.log
-extra/lgit.rb
-notes/go.notes
-TODO.notes
-TODO.md
-test/testrepo/
+# Please do not add personal files
+
+# Logs
+*.log
+
+# Hidden
+.*
+
+# TODO
+TODO.*
+
+# Notes
+*.notes
+
+# Tests
+test/repos/repo
+coverage.txt
+
+# Binaries
+lazygit
+
+# Exceptions
+!.gitignore
+!.goreleaser.yml
+!.circleci/
+!.github/

.goreleaser.yml

@@ -1,23 +1,28 @@
 # This is an example goreleaser.yaml file with some sane defaults.
 # Make sure to check the documentation at http://goreleaser.com
 builds:
-- env:
-  - CGO_ENABLED=0
-  goos:
-    - freebsd
-    - windows
-    - darwin
-    - linux
-  goarch:
-    - amd64
-    - arm
-    - arm64
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - freebsd
+      - windows
+      - darwin
+      - linux
+    goarch:
+      - amd64
+      - arm
+      - arm64
+      - 386
+    # Default is `-s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}`.
+    ldflags:
+      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}} -X main.buildSource=binaryRelease
+
 archive:
   replacements:
     darwin: Darwin
     linux: Linux
     windows: Windows
-    386: i386
+    386: 32-bit
     amd64: x86_64
   format_overrides:
     - goos: windows
@@ -25,13 +30,14 @@ archive:
 checksum:
   name_template: 'checksums.txt'
 snapshot:
-  name_template: "{{ .Tag }}-next"
+  name_template: '{{ .Tag }}-next'
 changelog:
   sort: asc
   filters:
     exclude:
-    - '^docs:'
-    - '^test:'
+      - '^docs:'
+      - '^test:'
+      - '^bump'
 brew:
   # Reporitory to push the tap to.
   github:
@@ -40,20 +46,19 @@ brew:
 
   # Your app's homepage.
   # Default is empty.
-  homepage: "https://github.com/jesseduffield/lazygit/"
+  homepage: 'https://github.com/jesseduffield/lazygit/'
 
   # Your app's description.
   # Default is empty.
-  description: "A simple terminal UI for git commands, written in Go"
+  description: 'A simple terminal UI for git commands, written in Go'
 
   # # Packages your package depends on.
   # dependencies:
   #   - git
   #   - zsh
-
   # # Packages that conflict with your package.
   # conflicts:
   #   - svn
   #   - bash
 
-# test comment to see if goreleaser only releases on new commits
+# test comment to see if goreleaser only releases on new commits

CONTRIBUTING.md

@@ -15,9 +15,10 @@ welcome your pull requests:
 1. Fork the repo and create your branch from `master`.
 2. If you've added code that should be tested, add tests.
 3. If you've added code that need documentation, update the documentation.
-4. Be sure to test your modifications.
-5. Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
-6. Issue that pull request!
+4. Make sure your code follows the [effective go](https://golang.org/doc/effective_go.html) guidelines as much as possible.
+5. Be sure to test your modifications.
+6. Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
+7. Issue that pull request!
 
 ## Code of conduct
 Please note by participating in this project, you agree to abide by the [code of conduct].

Dockerfile

@@ -0,0 +1,14 @@
+# run with:
+# docker build -t lazygit .
+# docker run -it lazygit:latest /bin/sh -l
+
+FROM golang:alpine
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY ./ .
+RUN CGO_ENABLED=0 GOOS=linux go build -o lazygit .
+
+FROM alpine:latest
+RUN apk add -U git xdg-utils
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY --from=0 /go/src/github.com/jesseduffield/lazygit/lazygit /bin/
+RUN echo "alias gg=lazygit" >> ~/.profile

Gopkg.lock

@@ -1,6 +1,62 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
+[[projects]]
+  digest = "1:e24ea5dbc89fbab51635ee32e5be4f61a9267cae20788efcae4c07efb4abec99"
+  name = "github.com/aws/aws-sdk-go"
+  packages = [
+    "aws",
+    "aws/awserr",
+    "aws/awsutil",
+    "aws/client",
+    "aws/client/metadata",
+    "aws/corehandlers",
+    "aws/credentials",
+    "aws/credentials/ec2rolecreds",
+    "aws/credentials/endpointcreds",
+    "aws/credentials/stscreds",
+    "aws/csm",
+    "aws/defaults",
+    "aws/ec2metadata",
+    "aws/endpoints",
+    "aws/request",
+    "aws/session",
+    "aws/signer/v4",
+    "internal/sdkio",
+    "internal/sdkrand",
+    "internal/sdkuri",
+    "internal/shareddefaults",
+    "private/protocol",
+    "private/protocol/eventstream",
+    "private/protocol/eventstream/eventstreamapi",
+    "private/protocol/query",
+    "private/protocol/query/queryutil",
+    "private/protocol/rest",
+    "private/protocol/restxml",
+    "private/protocol/xml/xmlutil",
+    "service/s3",
+    "service/sts",
+  ]
+  pruneopts = "NUT"
+  revision = "4324bc9d8865bdb3e6aa86ec7772ca1272d2750e"
+  version = "v1.15.21"
+
+[[projects]]
+  branch = "master"
+  digest = "1:37011b20a70e205b93ebea5287e1afa5618db54bf3998c36ff5a8e4b146a170a"
+  name = "github.com/bgentry/go-netrc"
+  packages = ["netrc"]
+  pruneopts = "NUT"
+  revision = "9fd32a8b3d3d3f9d43c341bfe098430e07609480"
+
+[[projects]]
+  branch = "master"
+  digest = "1:cd7ba2b29e93e2a8384e813dfc80ebb0f85d9214762e6ca89bb55a58092eab87"
+  name = "github.com/cloudfoundry/jibber_jabber"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "bcc4c8345a21301bf47c032ff42dd1aae2fe3027"
+
 [[projects]]
   digest = "1:a2c1d0e43bd3baaa071d1b9ed72c27d78169b2b269f71c105ac4ba34b1be4a39"
   name = "github.com/davecgh/go-spew"
@@ -32,6 +88,22 @@
   revision = "5b77d2a35fb0ede96d138fc9a99f5c9b6aef11b4"
   version = "v1.7.0"
 
+[[projects]]
+  digest = "1:1b91ae0dc69a41d4c2ed23ea5cffb721ea63f5037ca4b81e6d6771fbb8f45129"
+  name = "github.com/fsnotify/fsnotify"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "c2828203cd70a50dcccfb2761f8b1f8ceef9a8e9"
+  version = "v1.4.7"
+
+[[projects]]
+  digest = "1:74d9b0a7b4107b41e0ade759fac64502876f82d29fb23d77b3dd24b194ee3dd5"
+  name = "github.com/go-ini/ini"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "5cf292cae48347c2490ac1a58fe36735fb78df7e"
+  version = "v1.38.2"
+
 [[projects]]
   branch = "master"
   digest = "1:4a8ed9b8cf22bd03bee5d74179fa06a282e4a73b6de949f7a865ff56cd2537e0"
@@ -40,6 +112,65 @@
   pruneopts = "NUT"
   revision = "604e922904d35e97f98a774db7881f049cd8d970"
 
+[[projects]]
+  branch = "master"
+  digest = "1:a5d940c38bf56f121721bfa747c66356df387cb9d5318c570c6d4170aab62862"
+  name = "github.com/hashicorp/go-cleanhttp"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "d5fe4b57a186c716b0e00b8c301cbd9b4182694d"
+
+[[projects]]
+  branch = "master"
+  digest = "1:b634d733abf079dc191d359e5a8d31479f1795d00e656f8a018a459571046266"
+  name = "github.com/hashicorp/go-getter"
+  packages = ["helper/url"]
+  pruneopts = "NUT"
+  revision = "4bda8fa99001c61db3cad96b421d4c12a81f256d"
+
+[[projects]]
+  branch = "master"
+  digest = "1:fbab03227343a0285fc74a68dd2ff46cda7edecbbe5a3e98d2cecd00cc67b217"
+  name = "github.com/hashicorp/go-safetemp"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "b1a1dbde6fdc11e3ae79efd9039009e22d4ae240"
+
+[[projects]]
+  digest = "1:0b06ffe0c0764e413a6738e3f045d6bb14117359aef80a09f8c60fbff2ecad6b"
+  name = "github.com/hashicorp/go-version"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "b5a281d3160aa11950a6182bd9a9dc2cb1e02d50"
+  version = "v1.0.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:11c6c696067d3127ecf332b10f89394d386d9083f82baf71f40f2da31841a009"
+  name = "github.com/hashicorp/hcl"
+  packages = [
+    ".",
+    "hcl/ast",
+    "hcl/parser",
+    "hcl/printer",
+    "hcl/scanner",
+    "hcl/strconv",
+    "hcl/token",
+    "json/parser",
+    "json/scanner",
+    "json/token",
+  ]
+  pruneopts = "NUT"
+  revision = "ef8a98b0bbce4a65b5aa4c368430a80ddc533168"
+
+[[projects]]
+  branch = "master"
+  digest = "1:d457d39e88f678ed14ac29517c3d74927a48dbc6a9f073fa241cf364a68cbe5c"
+  name = "github.com/heroku/rollrus"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "fc0cef2ff331aebb24cd4e9ded7e20650f3d7006"
+
 [[projects]]
   branch = "master"
   digest = "1:62fe3a7ea2050ecbd753a71889026f83d73329337ada66325cbafd5dea5f713d"
@@ -50,11 +181,50 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:e9b2b07a20f19d886267876b72ba15f2cbdeeeadd18030a4ce174b864e97c39e"
+  digest = "1:490643e333b848f3d6ab772c21082d706663dcf4a3c0fbe9a4b4ef7b205ce6c7"
+  name = "github.com/jesseduffield/go-getter"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "906e15686e6309ff310c1c10463ab53287c3a678"
+
+[[projects]]
+  branch = "master"
+  digest = "1:9b266d7748a5d94985fd9e323494f5b8ae1ab3e910418e898dfe7f03339ddbcd"
   name = "github.com/jesseduffield/gocui"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "8cecad864fb0b099a5f55bf1c97fbc1daca103e0"
+  revision = "cfa9e452ba5ebf014041846851152d64a59dce14"
+
+[[projects]]
+  branch = "master"
+  digest = "1:a46c2f4863e5284ddb255c28750298e04bc8c0fc896bed6056e947673168b7be"
+  name = "github.com/jesseduffield/pty"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "02db52c7e406c7abec44c717a173c7715e4c1b62"
+
+[[projects]]
+  branch = "master"
+  digest = "1:3ab130f65766f5b7cc944d557df31c6a007ec017151705ec1e1b8719f2689021"
+  name = "github.com/jesseduffield/termbox-go"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "1e272ff78dcb4c448870f464fda1cdcf2bf0b3dd"
+
+[[projects]]
+  digest = "1:ac6d01547ec4f7f673311b4663909269bfb8249952de3279799289467837c3cc"
+  name = "github.com/jmespath/go-jmespath"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "0b12d6b5"
+
+[[projects]]
+  branch = "master"
+  digest = "1:263f9b0a0bcbfff9d5e7d9f2aa11f53995d98214fe0fb97e429e7a5f4534a0f9"
+  name = "github.com/kardianos/osext"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "ae77be60afb1dcacde03767a8c37337fad28ac14"
 
 [[projects]]
   digest = "1:8021af4dcbd531ae89433c8c3a6520e51064114aaf8eb1724c3cf911c497c9ba"
@@ -64,6 +234,14 @@
   revision = "9fc7bb800b555d63157c65a904c86a2cc7b4e795"
   version = "0.4"
 
+[[projects]]
+  digest = "1:d244f8666a838fe6ad70ec8fe77f50ebc29fdc3331a2729ba5886bef8435d10d"
+  name = "github.com/magiconair/properties"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "c2353362d570a7bfa228149c62842019201cfb71"
+  version = "v1.8.0"
+
 [[projects]]
   digest = "1:08c231ec84231a7e23d67e4b58f975e1423695a32467a362ee55a803f9de8061"
   name = "github.com/mattn/go-colorable"
@@ -88,6 +266,14 @@
   revision = "9e777a8366cce605130a531d2cd6363d07ad7317"
   version = "v0.0.2"
 
+[[projects]]
+  digest = "1:a25c9a6b41e100f4ce164db80260f2b687095ba9d8b46a1d6072d3686cc020db"
+  name = "github.com/mgutz/str"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "968bf66e3da857419e4f6e71b2d5c9ae95682dc4"
+  version = "v1.2.0"
+
 [[projects]]
   branch = "master"
   digest = "1:a4df73029d2c42fabcb6b41e327d2f87e685284ec03edf76921c267d9cfc9c23"
@@ -98,11 +284,31 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:34d9354c2c5d916c05864327553047df59fc10e86ff1f408e4136eba0a25a5ec"
-  name = "github.com/nsf/termbox-go"
+  digest = "1:18b773b92ac82a451c1276bd2776c1e55ce057ee202691ab33c8d6690efcc048"
+  name = "github.com/mitchellh/go-testing-interface"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "5c94acc5e6eb520f1bcd183974e01171cc4c23b3"
+  revision = "a61a99592b77c9ba629d254a693acffaeb4b7e28"
+
+[[projects]]
+  branch = "master"
+  digest = "1:5fe20cfe4ef484c237cec9f947b2a6fa90bad4b8610fd014f0e4211e13d82d5d"
+  name = "github.com/mitchellh/mapstructure"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "f15292f7a699fcc1a38a80977f80a046874ba8ac"
+
+[[projects]]
+  digest = "1:2c34c77bf3ec848da26e48af58fc511ed52750961fa848399d122882b8890928"
+  name = "github.com/nicksnyder/go-i18n"
+  packages = [
+    "v2/i18n",
+    "v2/internal",
+    "v2/internal/plural",
+  ]
+  pruneopts = "NUT"
+  revision = "a16b91a3ba80db3a2301c70d1d302d42251c9079"
+  version = "v2.0.0-beta.5"
 
 [[projects]]
   digest = "1:cf254277d898b713195cc6b4a3fac8bf738b9f1121625df27843b52b267eec6c"
@@ -112,6 +318,30 @@
   revision = "c37440a7cf42ac63b919c752ca73a85067e05992"
   version = "v0.2.0"
 
+[[projects]]
+  digest = "1:51ea800cff51752ff68e12e04106f5887b4daec6f9356721238c28019f0b42db"
+  name = "github.com/pelletier/go-toml"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "c01d1270ff3e442a8a57cddc1c92dc1138598194"
+  version = "v1.2.0"
+
+[[projects]]
+  digest = "1:5cf3f025cbee5951a4ee961de067c8a89fc95a5adabead774f82822efabab121"
+  name = "github.com/pkg/errors"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
+  version = "v0.8.0"
+
+[[projects]]
+  digest = "1:0028cb19b2e4c3112225cd871870f2d9cf49b9b4276531f03438a88e94be86fe"
+  name = "github.com/pmezard/go-difflib"
+  packages = ["difflib"]
+  pruneopts = "NUT"
+  revision = "792786c7400a136282c1664665ae0a8db921c6c2"
+  version = "v1.0.0"
+
 [[projects]]
   digest = "1:d917313f309bda80d27274d53985bc65651f81a5b66b820749ac7f8ef061fd04"
   name = "github.com/sergi/go-diff"
@@ -120,6 +350,72 @@
   revision = "1744e2970ca51c86172c8190fadad617561ed6e7"
   version = "v1.0.0"
 
+[[projects]]
+  digest = "1:41618aee8828e62dfe62d44f579c06892d0e98907d1c6d5bcd83bfe8536ec5a3"
+  name = "github.com/shibukawa/configdir"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "e180dbdc8da04c4fa04272e875ce64949f38bd3e"
+
+[[projects]]
+  digest = "1:b2339e83ce9b5c4f79405f949429a7f68a9a904fed903c672aac1e7ceb7f5f02"
+  name = "github.com/sirupsen/logrus"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "3e01752db0189b9157070a0e1668a620f9a85da2"
+  version = "v1.0.6"
+
+[[projects]]
+  digest = "1:330e9062b308ac597e28485699c02223bd052437a6eed32a173c9227dcb9d95a"
+  name = "github.com/spf13/afero"
+  packages = [
+    ".",
+    "mem",
+  ]
+  pruneopts = "NUT"
+  revision = "787d034dfe70e44075ccc060d346146ef53270ad"
+  version = "v1.1.1"
+
+[[projects]]
+  digest = "1:3fa7947ca83b98ae553590d993886e845a4bff19b7b007e869c6e0dd3b9da9cd"
+  name = "github.com/spf13/cast"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "8965335b8c7107321228e3e3702cab9832751bac"
+  version = "v1.2.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:f29f83301ed096daed24a90f4af591b7560cb14b9cc3e1827abbf04db7269ab5"
+  name = "github.com/spf13/jwalterweatherman"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "14d3d4c518341bea657dd8a226f5121c0ff8c9f2"
+
+[[projects]]
+  digest = "1:e3707aeaccd2adc89eba6c062fec72116fe1fc1ba71097da85b4d8ae1668a675"
+  name = "github.com/spf13/pflag"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "9a97c102cda95a86cec2345a6f09f55a939babf5"
+  version = "v1.0.2"
+
+[[projects]]
+  digest = "1:454979540e2a1582f375a17c106cf4e11e3bcac4baffb4af23e515c87f87de13"
+  name = "github.com/spf13/viper"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "907c19d40d9a6c9bb55f040ff4ae45271a4754b9"
+  version = "v1.1.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:0e9a5ac14bcc11f205031a671b28c7e05cb88b2ebbe06f383c1ab0b2c12c7cb5"
+  name = "github.com/spkg/bom"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "59b7046e48ad6bac800c5e1dd5142282cbfcf154"
+
 [[projects]]
   digest = "1:ccca1dcd18bc54e23b517a3c5babeff2e3924a7d8fc1932162225876cfe4bfb0"
   name = "github.com/src-d/gcfg"
@@ -133,6 +429,22 @@
   revision = "f187355171c936ac84a82793659ebb4936bc1c23"
   version = "v1.3.0"
 
+[[projects]]
+  digest = "1:bacb8b590716ab7c33f2277240972c9582d389593ee8d66fc10074e0508b8126"
+  name = "github.com/stretchr/testify"
+  packages = ["assert"]
+  pruneopts = "NUT"
+  revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686"
+  version = "v1.2.2"
+
+[[projects]]
+  branch = "master"
+  digest = "1:e42372d3f4921ec35df07f9b23239631e9d28580f7c1edcca212bc6daddc68fe"
+  name = "github.com/stvp/roll"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "3627a5cbeaeaa68023abd02bb8687925265f2f63"
+
 [[projects]]
   digest = "1:cd5ffc5bda4e0296ab3e4de90dbb415259c78e45e7fab13694b14cde8ab74541"
   name = "github.com/tcnksm/go-gitconfig"
@@ -141,6 +453,19 @@
   revision = "d154598bacbf4501c095a309753c5d4af66caa81"
   version = "v0.1.2"
 
+[[projects]]
+  digest = "1:07e8742c479bab0066149ad02a710024154e76874fd0a2dba002d87702725825"
+  name = "github.com/ulikunitz/xz"
+  packages = [
+    ".",
+    "internal/hash",
+    "internal/xlog",
+    "lzma",
+  ]
+  pruneopts = "NUT"
+  revision = "0c6b41e72360850ca4f98dc341fd999726ea007f"
+  version = "v0.5.4"
+
 [[projects]]
   digest = "1:3148cb3478c26a92b4c1a18abb9428234b281e278af6267840721a24b6cbc6a3"
   name = "github.com/xanzy/ssh-agent"
@@ -151,7 +476,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:c76f8b24a4d9b99b502fb7b61ad769125075cb570efff9b9b73e6c428629532d"
+  digest = "1:dfcb1b2db354cafa48fc3cdafe4905a08bec4a9757919ab07155db0ca23855b4"
   name = "golang.org/x/crypto"
   packages = [
     "cast5",
@@ -170,6 +495,7 @@
     "ssh",
     "ssh/agent",
     "ssh/knownhosts",
+    "ssh/terminal",
   ]
   pruneopts = "NUT"
   revision = "de0752318171da717af4ce24d0a2e8626afaeb11"
@@ -194,12 +520,14 @@
   revision = "98c5dad5d1a0e8a73845ecc8897d0bd56586511d"
 
 [[projects]]
-  digest = "1:8029e9743749d4be5bc9f7d42ea1659471767860f0cdc34d37c3111bd308a295"
+  digest = "1:a95288ef1ef4dfad6cba7fe30843e1683f71bc28c912ca1ba3f6a539d44db739"
   name = "golang.org/x/text"
   packages = [
     "internal/gen",
+    "internal/tag",
     "internal/triegen",
     "internal/ucd",
+    "language",
     "transform",
     "unicode/cldr",
     "unicode/norm",
@@ -278,18 +606,38 @@
   revision = "ec4a0fea49c7b46c2aeb0b51aac55779c607e52b"
   version = "v0.1.2"
 
+[[projects]]
+  digest = "1:7c95b35057a0ff2e19f707173cc1a947fa43a6eb5c4d300d196ece0334046082"
+  name = "gopkg.in/yaml.v2"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
+  version = "v2.2.1"
+
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
   input-imports = [
-    "github.com/davecgh/go-spew/spew",
+    "github.com/cloudfoundry/jibber_jabber",
     "github.com/fatih/color",
     "github.com/golang-collections/collections/stack",
+    "github.com/heroku/rollrus",
+    "github.com/jesseduffield/go-getter",
     "github.com/jesseduffield/gocui",
+    "github.com/jesseduffield/pty",
+    "github.com/kardianos/osext",
+    "github.com/mgutz/str",
+    "github.com/nicksnyder/go-i18n/v2/i18n",
+    "github.com/shibukawa/configdir",
+    "github.com/sirupsen/logrus",
+    "github.com/spf13/viper",
+    "github.com/spkg/bom",
+    "github.com/stretchr/testify/assert",
     "github.com/tcnksm/go-gitconfig",
+    "golang.org/x/text/language",
     "gopkg.in/src-d/go-git.v4",
     "gopkg.in/src-d/go-git.v4/plumbing",
-    "gopkg.in/src-d/go-git.v4/plumbing/object",
+    "gopkg.in/yaml.v2",
   ]
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

@@ -37,6 +37,14 @@
   branch = "master"
   name = "github.com/jesseduffield/gocui"
 
+[[constraint]]
+  branch = "master"
+  name = "github.com/jesseduffield/pty"
+
 [[constraint]]
   name = "gopkg.in/src-d/go-git.v4"
   revision = "43d17e14b714665ab5bc2ecc220b6740779d733f"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/spkg/bom"

README.md

@@ -1,4 +1,4 @@
-# lazygit [![Go Report Card](https://goreportcard.com/badge/github.com/jesseduffield/lazygit)](https://goreportcard.com/report/github.com/jesseduffield/lazygit)
+# lazygit [![CircleCI](https://circleci.com/gh/jesseduffield/lazygit.svg?style=svg)](https://circleci.com/gh/jesseduffield/lazygit) [![codecov](https://codecov.io/gh/jesseduffield/lazygit/branch/master/graph/badge.svg)](https://codecov.io/gh/jesseduffield/lazygit) [![Go Report Card](https://goreportcard.com/badge/github.com/jesseduffield/lazygit)](https://goreportcard.com/report/github.com/jesseduffield/lazygit) [![GolangCI](https://golangci.com/badges/github.com/jesseduffield/lazygit.svg)](https://golangci.com) [![GoDoc](https://godoc.org/github.com/jesseduffield/lazygit?status.svg)](http://godoc.org/github.com/jesseduffield/lazygit) [![GitHub tag](https://img.shields.io/github/tag/jesseduffield/lazygit.svg)]()
 
 A simple terminal UI for git commands, written in Go with the [gocui](https://github.com/jroimartin/gocui "gocui") library.
 
@@ -7,14 +7,14 @@ too stubborn to use Sourcetree because you'll never forgive Atlassian for making
 Jira? This is the app for you!
 
 
-![Gif](https://image.ibb.co/mmeXho/optimisedgif.gif)
+![Gif](/docs/resources/lazygit-example.gif)
 
   * [Installation](https://github.com/jesseduffield/lazygit#installation)
   * [Usage](https://github.com/jesseduffield/lazygit#usage),
     [Keybindings](https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md)
   * [Cool Features](https://github.com/jesseduffield/lazygit#cool-features)
   * [Contributing](https://github.com/jesseduffield/lazygit#contributing)
-  * [Video Tutorial](https://www.youtube.com/watch?v=VDXvbHZYeKY)
+  * [Video Tutorial](https://youtu.be/VDXvbHZYeKY)
   * [Twitch Stream](https://www.twitch.tv/jesseduffield)
 
 ## Installation
@@ -28,7 +28,19 @@ brew install lazygit
 ### Ubuntu
 Packages for Ubuntu 16.04, 18.04 and 18.10 are available via [Launchpad PPA](https://launchpad.net/~lazygit-team).
 
-They are built daily, straight from master branch.
+**Release builds**
+
+Built from git tags. Supposed to be more stable.
+
+```sh
+sudo add-apt-repository ppa:lazygit-team/release
+sudo apt-get update
+sudo apt-get install lazygit
+```
+
+**Daily builds**
+
+Built from master branch once in 24 hours (or more sometimes).
 
 ```sh
 sudo add-apt-repository ppa:lazygit-team/daily
@@ -57,6 +69,12 @@ and the git version which builds from the most recent commit.
 Instruction of how to install AUR content can be found here:
 https://wiki.archlinux.org/index.php/Arch_User_Repository
 
+### Conda
+Released versions are available for different platforms, see https://anaconda.org/conda-forge/lazygit
+```sh
+conda install -c conda-forge lazygit
+```
+
 ### Binary Release (Windows/Linux/OSX)
 You can download a binary release [here](https://github.com/jesseduffield/lazygit/releases).
 
@@ -76,9 +94,9 @@ Call `lazygit` in your terminal inside a git repository. If you want, you can
 also add an alias for this with `echo "alias lg='lazygit'" >> ~/.zshrc` (or
 whichever rc file you're using).
 
-  * Basic video tutorial [here](https://www.youtube.com/watch?v=VDXvbHZYeKY).
+  * Basic video tutorial [here](https://youtu.be/VDXvbHZYeKY).
   * List of keybindings
-[here](https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md).
+[here](/docs/Keybindings.md).
 
 ## Cool features
   * Adding files easily
@@ -89,10 +107,10 @@ whichever rc file you're using).
   * Squash down and rename commits
 
 ### Resolving merge conflicts
-![Gif](https://image.ibb.co/iyxUTT/shortermerging.gif)
+![Gif](/docs/resources/resolving-merge-conflicts.gif)
 
 ### Viewing commit diffs
-![Viewing Commit Diffs](https://image.ibb.co/gPD02o/capture.png)
+![Viewing Commit Diffs](/docs/resources/viewing-commit-diffs.png)
 
 ## Milestones
 - [x] Easy Installation (homebrew, release binaries)
@@ -105,6 +123,14 @@ whichever rc file you're using).
 
 ## Contributing
 We love your input! Please check out the [contributing guide](CONTRIBUTING.md).
+For contributor discussion about things not better discussed here in the repo, join the slack channel
+
+[![Slack](/docs/resources/slack_rgb.png)](https://join.slack.com/t/lazygit/shared_invite/enQtNDE3MjIwNTYyMDA0LTM3Yjk3NzdiYzhhNTA1YjM4Y2M4MWNmNDBkOTI0YTE4YjQ1ZmI2YWRhZTgwNjg2YzhhYjg3NDBlMmQyMTI5N2M)
+
+## Donate
+If you would like to support the development of lazygit, please donate
+
+[![Donate](https://d1iczxrky3cnb2.cloudfront.net/button-medium-blue.png)](https://donorbox.org/lazygit)
 
 ## Work in progress
 This is still a work in progress so there's still bugs to iron out and as this
@@ -116,3 +142,7 @@ feel free to [raise an issue](https://github.com/jesseduffield/lazygit/issues)/[
 If you want to see what I (Jesse) am up to in terms of development, follow me on
 [twitter](https://twitter.com/DuffieldJesse) or watch me program on
 [twitch](https://www.twitch.tv/jesseduffield).
+
+## Alternatives
+If you find that lazygit doesn't quite satisfy your requirements, these may be a better fit:
+- [tig](https://github.com/jonas/tig)

VERSION

@@ -1 +0,0 @@
-v0.1.52

branch.go

@@ -1,35 +0,0 @@
-package main
-
-import (
-	"strings"
-
-	"github.com/fatih/color"
-)
-
-// Branch : A git branch
-type Branch struct {
-	Name    string
-	Recency string
-}
-
-func (b *Branch) getDisplayString() string {
-	return withPadding(b.Recency, 4) + coloredString(b.Name, b.getColor())
-}
-
-func (b *Branch) getColor() color.Attribute {
-	switch b.getType() {
-	case "feature":
-		return color.FgGreen
-	case "bugfix":
-		return color.FgYellow
-	case "hotfix":
-		return color.FgRed
-	default:
-		return color.FgWhite
-	}
-}
-
-// expected to return feature/bugfix/hotfix or blank string
-func (b *Branch) getType() string {
-	return strings.Split(b.Name, "/")[0]
-}

branches_panel.go

@@ -1,135 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/jesseduffield/gocui"
-)
-
-func handleBranchPress(g *gocui.Gui, v *gocui.View) error {
-	index := getItemPosition(v)
-	if index == 0 {
-		return createErrorPanel(g, "You have already checked out this branch")
-	}
-	branch := getSelectedBranch(v)
-	if output, err := gitCheckout(branch.Name, false); err != nil {
-		createErrorPanel(g, output)
-	}
-	return refreshSidePanels(g)
-}
-
-func handleForceCheckout(g *gocui.Gui, v *gocui.View) error {
-	branch := getSelectedBranch(v)
-	return createConfirmationPanel(g, v, "Force Checkout Branch", "Are you sure you want force checkout? You will lose all local changes", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitCheckout(branch.Name, true); err != nil {
-			createErrorPanel(g, output)
-		}
-		return refreshSidePanels(g)
-	}, nil)
-}
-
-func handleCheckoutByName(g *gocui.Gui, v *gocui.View) error {
-	createPromptPanel(g, v, "Branch Name:", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitCheckout(trimmedContent(v), false); err != nil {
-			return createErrorPanel(g, output)
-		}
-		return refreshSidePanels(g)
-	})
-	return nil
-}
-
-func handleNewBranch(g *gocui.Gui, v *gocui.View) error {
-	branch := state.Branches[0]
-	createPromptPanel(g, v, "New Branch Name (Branch is off of "+branch.Name+")", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitNewBranch(trimmedContent(v)); err != nil {
-			return createErrorPanel(g, output)
-		}
-		refreshSidePanels(g)
-		return handleBranchSelect(g, v)
-	})
-	return nil
-}
-
-func handleDeleteBranch(g *gocui.Gui, v *gocui.View) error {
-	checkedOutBranch := state.Branches[0]
-	selectedBranch := getSelectedBranch(v)
-	if checkedOutBranch.Name == selectedBranch.Name {
-		return createErrorPanel(g, "You cannot delete the checked out branch!")
-	}
-	return createConfirmationPanel(g, v, "Delete Branch", "Are you sure you want delete the branch "+selectedBranch.Name+" ?", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitDeleteBranch(selectedBranch.Name); err != nil {
-			return createErrorPanel(g, output)
-		}
-		return refreshSidePanels(g)
-	}, nil)
-}
-
-func handleMerge(g *gocui.Gui, v *gocui.View) error {
-	checkedOutBranch := state.Branches[0]
-	selectedBranch := getSelectedBranch(v)
-	defer refreshSidePanels(g)
-	if checkedOutBranch.Name == selectedBranch.Name {
-		return createErrorPanel(g, "You cannot merge a branch into itself")
-	}
-	if output, err := gitMerge(selectedBranch.Name); err != nil {
-		return createErrorPanel(g, output)
-	}
-	return nil
-}
-
-func getSelectedBranch(v *gocui.View) Branch {
-	lineNumber := getItemPosition(v)
-	return state.Branches[lineNumber]
-}
-
-func renderBranchesOptions(g *gocui.Gui) error {
-	return renderOptionsMap(g, map[string]string{
-		"space":   "checkout",
-		"f":       "force checkout",
-		"m":       "merge",
-		"c":       "checkout by name",
-		"n":       "new branch",
-		"d":       "delete branch",
-		"← → ↑ ↓": "navigate",
-	})
-}
-
-// may want to standardise how these select methods work
-func handleBranchSelect(g *gocui.Gui, v *gocui.View) error {
-	if err := renderBranchesOptions(g); err != nil {
-		return err
-	}
-	// This really shouldn't happen: there should always be a master branch
-	if len(state.Branches) == 0 {
-		return renderString(g, "main", "No branches for this repo")
-	}
-	go func() {
-		branch := getSelectedBranch(v)
-		diff, err := getBranchGraph(branch.Name)
-		if err != nil && strings.HasPrefix(diff, "fatal: ambiguous argument") {
-			diff = "There is no tracking for this branch"
-		}
-		renderString(g, "main", diff)
-	}()
-	return nil
-}
-
-// refreshStatus is called at the end of this because that's when we can
-// be sure there is a state.Branches array to pick the current branch from
-func refreshBranches(g *gocui.Gui) error {
-	g.Update(func(g *gocui.Gui) error {
-		v, err := g.View("branches")
-		if err != nil {
-			panic(err)
-		}
-		state.Branches = getGitBranches()
-		v.Clear()
-		for _, branch := range state.Branches {
-			fmt.Fprintln(v, branch.getDisplayString())
-		}
-		resetOrigin(v)
-		return refreshStatus(g)
-	})
-	return nil
-}

commit_message_panel.go

@@ -1,45 +0,0 @@
-package main
-
-import "github.com/jesseduffield/gocui"
-
-func handleCommitConfirm(g *gocui.Gui, v *gocui.View) error {
-	message := trimmedContent(v)
-	if message == "" {
-		return createErrorPanel(g, "You cannot commit without a commit message")
-	}
-	if output, err := gitCommit(g, message); err != nil {
-		if err == errNoUsername {
-			return createErrorPanel(g, err.Error())
-		}
-		return createErrorPanel(g, output)
-	}
-	refreshFiles(g)
-	v.Clear()
-	v.SetCursor(0, 0)
-	g.SetViewOnBottom("commitMessage")
-	switchFocus(g, v, getFilesView(g))
-	return refreshCommits(g)
-}
-
-func handleCommitClose(g *gocui.Gui, v *gocui.View) error {
-	g.SetViewOnBottom("commitMessage")
-	return switchFocus(g, v, getFilesView(g))
-}
-
-func handleNewlineCommitMessage(g *gocui.Gui, v *gocui.View) error {
-	// resising ahead of time so that the top line doesn't get hidden to make
-	// room for the cursor on the second line
-	x0, y0, x1, y1 := getConfirmationPanelDimensions(g, v.Buffer())
-	if _, err := g.SetView("commitMessage", x0, y0, x1, y1+1, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-	}
-
-	v.EditNewLine()
-	return nil
-}
-
-func handleCommitFocused(g *gocui.Gui, v *gocui.View) error {
-	return renderString(g, "options", "esc: close, enter: confirm")
-}

commits_panel.go

@@ -1,176 +0,0 @@
-package main
-
-import (
-	"errors"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-var (
-	// ErrNoCommits : When no commits are found for the branch
-	ErrNoCommits = errors.New("No commits for this branch")
-)
-
-func refreshCommits(g *gocui.Gui) error {
-	g.Update(func(*gocui.Gui) error {
-		state.Commits = getCommits()
-		v, err := g.View("commits")
-		if err != nil {
-			panic(err)
-		}
-		v.Clear()
-		red := color.New(color.FgRed)
-		yellow := color.New(color.FgYellow)
-		white := color.New(color.FgWhite)
-		shaColor := white
-		for _, commit := range state.Commits {
-			if commit.Pushed {
-				shaColor = red
-			} else {
-				shaColor = yellow
-			}
-			shaColor.Fprint(v, commit.Sha+" ")
-			white.Fprintln(v, commit.Name)
-		}
-		refreshStatus(g)
-		if g.CurrentView().Name() == "commits" {
-			handleCommitSelect(g, v)
-		}
-		return nil
-	})
-	return nil
-}
-
-func handleResetToCommit(g *gocui.Gui, commitView *gocui.View) error {
-	return createConfirmationPanel(g, commitView, "Reset To Commit", "Are you sure you want to reset to this commit?", func(g *gocui.Gui, v *gocui.View) error {
-		commit, err := getSelectedCommit(g)
-		if err != nil {
-			panic(err)
-		}
-		if output, err := gitResetToCommit(commit.Sha); err != nil {
-			return createErrorPanel(g, output)
-		}
-		if err := refreshCommits(g); err != nil {
-			panic(err)
-		}
-		if err := refreshFiles(g); err != nil {
-			panic(err)
-		}
-		resetOrigin(commitView)
-		return handleCommitSelect(g, nil)
-	}, nil)
-}
-
-func renderCommitsOptions(g *gocui.Gui) error {
-	return renderOptionsMap(g, map[string]string{
-		"s":       "squash down",
-		"r":       "rename",
-		"g":       "reset to this commit",
-		"f":       "fixup commit",
-		"← → ↑ ↓": "navigate",
-	})
-}
-
-func handleCommitSelect(g *gocui.Gui, v *gocui.View) error {
-	if err := renderCommitsOptions(g); err != nil {
-		return err
-	}
-	commit, err := getSelectedCommit(g)
-	if err != nil {
-		if err != ErrNoCommits {
-			return err
-		}
-		return renderString(g, "main", "No commits for this branch")
-	}
-	commitText := gitShow(commit.Sha)
-	return renderString(g, "main", commitText)
-}
-
-func handleCommitSquashDown(g *gocui.Gui, v *gocui.View) error {
-	if getItemPosition(v) != 0 {
-		return createErrorPanel(g, "Can only squash topmost commit")
-	}
-	if len(state.Commits) == 1 {
-		return createErrorPanel(g, "You have no commits to squash with")
-	}
-	commit, err := getSelectedCommit(g)
-	if err != nil {
-		return err
-	}
-	if output, err := gitSquashPreviousTwoCommits(commit.Name); err != nil {
-		return createErrorPanel(g, output)
-	}
-	if err := refreshCommits(g); err != nil {
-		panic(err)
-	}
-	refreshStatus(g)
-	return handleCommitSelect(g, v)
-}
-
-// TODO: move to files panel
-func anyUnStagedChanges(files []GitFile) bool {
-	for _, file := range files {
-		if file.Tracked && file.HasUnstagedChanges {
-			return true
-		}
-	}
-	return false
-}
-
-func handleCommitFixup(g *gocui.Gui, v *gocui.View) error {
-	if len(state.Commits) == 1 {
-		return createErrorPanel(g, "You have no commits to squash with")
-	}
-	objectLog(state.GitFiles)
-	if anyUnStagedChanges(state.GitFiles) {
-		return createErrorPanel(g, "Can't fixup while there are unstaged changes")
-	}
-	branch := state.Branches[0]
-	commit, err := getSelectedCommit(g)
-	if err != nil {
-		return err
-	}
-	createConfirmationPanel(g, v, "Fixup", "Are you sure you want to fixup this commit? The commit beneath will be squashed up into this one", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitSquashFixupCommit(branch.Name, commit.Sha); err != nil {
-			return createErrorPanel(g, output)
-		}
-		if err := refreshCommits(g); err != nil {
-			panic(err)
-		}
-		return refreshStatus(g)
-	}, nil)
-	return nil
-}
-
-func handleRenameCommit(g *gocui.Gui, v *gocui.View) error {
-	if getItemPosition(v) != 0 {
-		return createErrorPanel(g, "Can only rename topmost commit")
-	}
-	createPromptPanel(g, v, "Rename Commit", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitRenameCommit(v.Buffer()); err != nil {
-			return createErrorPanel(g, output)
-		}
-		if err := refreshCommits(g); err != nil {
-			panic(err)
-		}
-		return handleCommitSelect(g, v)
-	})
-	return nil
-}
-
-func getSelectedCommit(g *gocui.Gui) (Commit, error) {
-	v, err := g.View("commits")
-	if err != nil {
-		panic(err)
-	}
-	if len(state.Commits) == 0 {
-		return Commit{}, ErrNoCommits
-	}
-	lineNumber := getItemPosition(v)
-	if lineNumber > len(state.Commits)-1 {
-		devLog("potential error in getSelected Commit (mismatched ui and state)", state.Commits, lineNumber)
-		return state.Commits[len(state.Commits)-1], nil
-	}
-	return state.Commits[lineNumber], nil
-}

confirmation_panel.go

@@ -1,155 +0,0 @@
-// lots of this has been directly ported from one of the example files, will brush up later
-
-// Copyright 2014 The gocui Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
-	"strings"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-func wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error) func(*gocui.Gui, *gocui.View) error {
-	return func(g *gocui.Gui, v *gocui.View) error {
-		if function != nil {
-			if err := function(g, v); err != nil {
-				panic(err)
-			}
-		}
-		return closeConfirmationPrompt(g)
-	}
-}
-
-func closeConfirmationPrompt(g *gocui.Gui) error {
-	view, err := g.View("confirmation")
-	if err != nil {
-		panic(err)
-	}
-	if err := returnFocus(g, view); err != nil {
-		panic(err)
-	}
-	g.DeleteKeybindings("confirmation")
-	return g.DeleteView("confirmation")
-}
-
-func getMessageHeight(message string, width int) int {
-	lines := strings.Split(message, "\n")
-	lineCount := 0
-	for _, line := range lines {
-		lineCount += len(line)/width + 1
-	}
-	return lineCount
-}
-
-func getConfirmationPanelDimensions(g *gocui.Gui, prompt string) (int, int, int, int) {
-	width, height := g.Size()
-	panelWidth := width / 2
-	panelHeight := getMessageHeight(prompt, panelWidth)
-	return width/2 - panelWidth/2,
-		height/2 - panelHeight/2 - panelHeight%2 - 1,
-		width/2 + panelWidth/2,
-		height/2 + panelHeight/2
-}
-
-func createPromptPanel(g *gocui.Gui, currentView *gocui.View, title string, handleConfirm func(*gocui.Gui, *gocui.View) error) error {
-	g.SetViewOnBottom("commitMessage")
-	// only need to fit one line
-	x0, y0, x1, y1 := getConfirmationPanelDimensions(g, "")
-	if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-
-		confirmationView.Editable = true
-		confirmationView.Title = title
-		switchFocus(g, currentView, confirmationView)
-		return setKeyBindings(g, handleConfirm, nil)
-	}
-	return nil
-}
-
-func createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
-	g.SetViewOnBottom("commitMessage")
-	g.Update(func(g *gocui.Gui) error {
-		// delete the existing confirmation panel if it exists
-		if view, _ := g.View("confirmation"); view != nil {
-			if err := closeConfirmationPrompt(g); err != nil {
-				panic(err)
-			}
-		}
-		x0, y0, x1, y1 := getConfirmationPanelDimensions(g, prompt)
-		if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1, 0); err != nil {
-			if err != gocui.ErrUnknownView {
-				return err
-			}
-			confirmationView.Title = title
-			confirmationView.FgColor = gocui.ColorWhite
-			renderString(g, "confirmation", prompt)
-			switchFocus(g, currentView, confirmationView)
-			return setKeyBindings(g, handleConfirm, handleClose)
-		}
-		return nil
-	})
-	return nil
-}
-
-func handleNewline(g *gocui.Gui, v *gocui.View) error {
-	// resising ahead of time so that the top line doesn't get hidden to make
-	// room for the cursor on the second line
-	x0, y0, x1, y1 := getConfirmationPanelDimensions(g, v.Buffer())
-	if _, err := g.SetView("confirmation", x0, y0, x1, y1+1, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-	}
-
-	v.EditNewLine()
-	return nil
-}
-
-func setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
-	renderString(g, "options", "esc: close, enter: confirm")
-	if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, wrappedConfirmationFunction(handleConfirm)); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("confirmation", gocui.KeyTab, gocui.ModNone, handleNewline); err != nil {
-		return err
-	}
-	return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, wrappedConfirmationFunction(handleClose))
-}
-
-func createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
-	return createConfirmationPanel(g, currentView, title, prompt, nil, nil)
-}
-
-func createErrorPanel(g *gocui.Gui, message string) error {
-	currentView := g.CurrentView()
-	colorFunction := color.New(color.FgRed).SprintFunc()
-	coloredMessage := colorFunction(strings.TrimSpace(message))
-	return createConfirmationPanel(g, currentView, "Error", coloredMessage, nil, nil)
-}
-
-func trimTrailingNewline(str string) string {
-	if strings.HasSuffix(str, "\n") {
-		return str[:len(str)-1]
-	}
-	return str
-}
-
-func resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
-	// If the confirmation panel is already displayed, just resize the width,
-	// otherwise continue
-	content := trimTrailingNewline(v.Buffer())
-	x0, y0, x1, y1 := getConfirmationPanelDimensions(g, content)
-	vx0, vy0, vx1, vy1 := v.Dimensions()
-	if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
-		return nil
-	}
-	devLog("resizing popup panel")
-	_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
-	return err
-}

docs/Config.md

@@ -0,0 +1,79 @@
+# User Config:
+
+## Default:
+
+```
+  gui:
+    # stuff relating to the UI
+    scrollHeight: 2 # how many lines you scroll by
+    scrollPastBottom: true # enable scrolling past the bottom
+    theme:
+      activeBorderColor:
+        - white
+        - bold
+      inactiveBorderColor:
+        - white
+      optionsTextColor:
+        - blue
+    commitLength:
+      show: true
+  update:
+    method: prompt # can be: prompt | background | never
+    days: 14 # how often an update is checked for
+  reporting: 'undetermined' # one of: 'on' | 'off' | 'undetermined'
+  confirmOnQuit: false
+```
+
+## Platform Defaults:
+
+### Windows:
+
+```
+  os:
+    openCommand: 'cmd /c "start "" {{filename}}"'
+```
+
+### Linux:
+
+```
+  os:
+    openCommand: 'sh -c "xdg-open {{filename}} >/dev/null"'
+```
+
+### OSX:
+
+```
+  os:
+    openCommand: 'open {{filename}}'
+```
+
+### Recommended Config Values:
+
+for users of VSCode
+
+```
+  os:
+    openCommand: 'code -r {{filename}}'
+```
+
+## Color Attributes:
+
+For color attributes you can choose an array of attributes (with max one color attribute)
+The available attributes are:
+
+- default
+- black
+- red
+- green
+- yellow
+- blue
+- magenta
+- cyan
+- white
+- bold
+- reverse # useful for high-contrast
+- underline
+
+## Example Coloring:
+
+![border example](/docs/resources/colored-border-example.png)

docs/Keybindings.md

@@ -1,17 +1,28 @@
 # Keybindings:
 
 ## Global:
+
 <pre>
-  <kbd>←</kbd><kbd>→</kbd><kbd>↑</kbd><kbd>↓</kbd>/<kbd>h</kbd><kbd>j</kbd><kbd>k</kbd><kbd>l</kbd>:  navigate
-  <kbd>PgUp</kbd>/<kbd>PgDn</kbd>:           scroll diff panel (use <kbd>fn</kbd>+<kbd>up</kbd>/<kbd>fn</kbd>+<kbd>down</kbd> on osx)
-  <kbd>q</kbd>:                    quit
-  <kbd>p</kbd>:                    pull
-  <kbd>shift</kbd>+<kbd>P</kbd>:             push
+  <kbd>←</kbd><kbd>→</kbd><kbd>↑</kbd><kbd>↓</kbd>/<kbd>h</kbd><kbd>j</kbd><kbd>k</kbd><kbd>l</kbd>:               navigate
+  <kbd>PgUp</kbd>/<kbd>PgDn</kbd> or <kbd>ctrl</kbd>+<kbd>u</kbd>/<kbd>ctrl</kbd>+<kbd>d</kbd>:   scroll diff panel
+                                     (for <kbd>PgUp</kbd> and <kbd>PgDn</kbd>, use <kbd>fn</kbd>+<kbd>up</kbd>/<kbd>fn</kbd>+<kbd>down</kbd> on osx)
+  <kbd>q</kbd>:                                quit
+  <kbd>p</kbd>:                                pull
+  <kbd>shift</kbd>+<kbd>P</kbd>:                         push
+</pre>
+
+## Status Panel:
+
+<pre>
+  <kbd>e</kbd>:        edit config file
+  <kbd>o</kbd>:        open config file
 </pre>
 
 ## Files Panel:
+
 <pre>
   <kbd>space</kbd>:    toggle staged
+  <kbd>a</kbd>:        stage/unstage all
   <kbd>c</kbd>:        commit changes
   <kbd>shift</kbd>+<kbd>C</kbd>: commit using git editor
   <kbd>shift</kbd>+<kbd>S</kbd>: stash files
@@ -23,9 +34,11 @@
   <kbd>i</kbd>:        add to .gitignore
   <kbd>d</kbd>:        delete if untracked checkout if tracked (aka go away)
   <kbd>shift</kbd>+<kbd>R</kbd>: refresh files
+  <kbd>shift</kbd>+<kbd>A</kbd>: abort merge
 </pre>
 
 ## Branches Panel:
+
 <pre>
   <kbd>space</kbd>:   checkout branch
   <kbd>f</kbd>:       force checkout branch
@@ -33,16 +46,20 @@
   <kbd>c</kbd>:       checkout by name
   <kbd>n</kbd>:       new branch
   <kbd>d</kbd>:       delete branch
+  <kbd>D</kbd>:       force delete branch
 </pre>
 
 ## Commits Panel:
+
 <pre>
   <kbd>s</kbd>:       squash down (only available for topmost commit)
   <kbd>r</kbd>:       rename commit
+  <kbd>shift</kbd>+<kbd>R</kbd>: rename commit using git editor
   <kbd>g</kbd>:       reset to this commit
 </pre>
 
 ## Stash Panel:
+
 <pre>
   <kbd>space</kbd>:   apply
   <kbd>g</kbd>:       pop
@@ -50,6 +67,7 @@
 </pre>
 
 ## Popup Panel:
+
 <pre>
   <kbd>esc</kbd>:     close/cancel
   <kbd>enter</kbd>:   confirm
@@ -57,6 +75,7 @@
 </pre>
 
 ## Resolving Merge Conflicts (Diff Panel):
+
 <pre>
   <kbd>←</kbd><kbd>→</kbd>/<kbd>h</kbd><kbd>l</kbd>: navigate conflicts
   <kbd>↑</kbd><kbd>↓</kbd>/<kbd>k</kbd><kbd>j</kbd>: select hunk

files_panel.go

@@ -1,362 +0,0 @@
-package main
-
-import (
-
-	// "io"
-	// "io/ioutil"
-
-	// "strings"
-
-	"errors"
-	"strings"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-var (
-	errNoFiles    = errors.New("No changed files")
-	errNoUsername = errors.New(`No username set. Please do: git config --global user.name "Your Name"`)
-)
-
-func stagedFiles(files []GitFile) []GitFile {
-	result := make([]GitFile, 0)
-	for _, file := range files {
-		if file.HasStagedChanges {
-			result = append(result, file)
-		}
-	}
-	return result
-}
-
-func stageSelectedFile(g *gocui.Gui) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		return err
-	}
-	return stageFile(file.Name)
-}
-
-func handleFilePress(g *gocui.Gui, v *gocui.View) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err == errNoFiles {
-			return nil
-		}
-		return err
-	}
-
-	if file.HasMergeConflicts {
-		return handleSwitchToMerge(g, v)
-	}
-
-	if file.HasUnstagedChanges {
-		stageFile(file.Name)
-	} else {
-		unStageFile(file.Name, file.Tracked)
-	}
-
-	if err := refreshFiles(g); err != nil {
-		return err
-	}
-
-	return handleFileSelect(g, v)
-}
-
-func handleAddPatch(g *gocui.Gui, v *gocui.View) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err == errNoFiles {
-			return nil
-		}
-		return err
-	}
-	if !file.HasUnstagedChanges {
-		return createErrorPanel(g, "File has no unstaged changes to add")
-	}
-	if !file.Tracked {
-		return createErrorPanel(g, "Cannot git add --patch untracked files")
-	}
-	gitAddPatch(g, file.Name)
-	return err
-}
-
-func getSelectedFile(g *gocui.Gui) (GitFile, error) {
-	if len(state.GitFiles) == 0 {
-		return GitFile{}, errNoFiles
-	}
-	filesView, err := g.View("files")
-	if err != nil {
-		panic(err)
-	}
-	lineNumber := getItemPosition(filesView)
-	return state.GitFiles[lineNumber], nil
-}
-
-func handleFileRemove(g *gocui.Gui, v *gocui.View) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err == errNoFiles {
-			return nil
-		}
-		return err
-	}
-	var deleteVerb string
-	if file.Tracked {
-		deleteVerb = "checkout"
-	} else {
-		deleteVerb = "delete"
-	}
-	return createConfirmationPanel(g, v, strings.Title(deleteVerb)+" file", "Are you sure you want to "+deleteVerb+" "+file.Name+" (you will lose your changes)?", func(g *gocui.Gui, v *gocui.View) error {
-		if err := removeFile(file); err != nil {
-			panic(err)
-		}
-		return refreshFiles(g)
-	}, nil)
-}
-
-func handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		return createErrorPanel(g, err.Error())
-	}
-	if file.Tracked {
-		return createErrorPanel(g, "Cannot ignore tracked files")
-	}
-	gitIgnore(file.Name)
-	return refreshFiles(g)
-}
-
-func renderfilesOptions(g *gocui.Gui, gitFile *GitFile) error {
-	optionsMap := map[string]string{
-		"← → ↑ ↓":   "navigate",
-		"S":         "stash files",
-		"c":         "commit changes",
-		"o":         "open",
-		"i":         "ignore",
-		"d":         "delete",
-		"space":     "toggle staged",
-		"R":         "refresh",
-		"t":         "add patch",
-		"e":         "edit",
-		"PgUp/PgDn": "scroll",
-	}
-	if state.HasMergeConflicts {
-		optionsMap["a"] = "abort merge"
-		optionsMap["m"] = "resolve merge conflicts"
-	}
-	if gitFile == nil {
-		return renderOptionsMap(g, optionsMap)
-	}
-	if gitFile.Tracked {
-		optionsMap["d"] = "checkout"
-	}
-	return renderOptionsMap(g, optionsMap)
-}
-
-func handleFileSelect(g *gocui.Gui, v *gocui.View) error {
-	gitFile, err := getSelectedFile(g)
-	if err != nil {
-		if err != errNoFiles {
-			return err
-		}
-		renderString(g, "main", "No changed files")
-		return renderfilesOptions(g, nil)
-	}
-	renderfilesOptions(g, &gitFile)
-	var content string
-	if gitFile.HasMergeConflicts {
-		return refreshMergePanel(g)
-	}
-
-	content = getDiff(gitFile)
-	return renderString(g, "main", content)
-}
-
-func handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
-	if len(stagedFiles(state.GitFiles)) == 0 && !state.HasMergeConflicts {
-		return createErrorPanel(g, "There are no staged files to commit")
-	}
-	commitMessageView := getCommitMessageView(g)
-	g.Update(func(g *gocui.Gui) error {
-		g.SetViewOnTop("commitMessage")
-		switchFocus(g, filesView, commitMessageView)
-		return nil
-	})
-	return nil
-}
-
-func handleCommitEditorPress(g *gocui.Gui, filesView *gocui.View) error {
-	if len(stagedFiles(state.GitFiles)) == 0 && !state.HasMergeConflicts {
-		return createErrorPanel(g, "There are no staged files to commit")
-	}
-	runSubProcess(g, "git", "commit")
-	return nil
-}
-
-func genericFileOpen(g *gocui.Gui, v *gocui.View, open func(*gocui.Gui, string) (string, error)) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err != errNoFiles {
-			return err
-		}
-		return nil
-	}
-	if _, err := open(g, file.Name); err != nil {
-		return createErrorPanel(g, err.Error())
-	}
-	return nil
-}
-
-func handleFileEdit(g *gocui.Gui, v *gocui.View) error {
-	return genericFileOpen(g, v, editFile)
-}
-
-func handleFileOpen(g *gocui.Gui, v *gocui.View) error {
-	return genericFileOpen(g, v, openFile)
-}
-
-func handleSublimeFileOpen(g *gocui.Gui, v *gocui.View) error {
-	return genericFileOpen(g, v, sublimeOpenFile)
-}
-
-func handleVsCodeFileOpen(g *gocui.Gui, v *gocui.View) error {
-	return genericFileOpen(g, v, vsCodeOpenFile)
-}
-
-func handleRefreshFiles(g *gocui.Gui, v *gocui.View) error {
-	return refreshFiles(g)
-}
-
-func refreshStateGitFiles() {
-	// get files to stage
-	gitFiles := getGitStatusFiles()
-	state.GitFiles = mergeGitStatusFiles(state.GitFiles, gitFiles)
-	updateHasMergeConflictStatus()
-}
-
-func updateHasMergeConflictStatus() error {
-	merging, err := isInMergeState()
-	if err != nil {
-		return err
-	}
-	state.HasMergeConflicts = merging
-	return nil
-}
-
-func renderGitFile(gitFile GitFile, filesView *gocui.View) {
-	// potentially inefficient to be instantiating these color
-	// objects with each render
-	red := color.New(color.FgRed)
-	green := color.New(color.FgGreen)
-	if !gitFile.Tracked && !gitFile.HasStagedChanges {
-		red.Fprintln(filesView, gitFile.DisplayString)
-		return
-	}
-	green.Fprint(filesView, gitFile.DisplayString[0:1])
-	red.Fprint(filesView, gitFile.DisplayString[1:3])
-	if gitFile.HasUnstagedChanges {
-		red.Fprintln(filesView, gitFile.Name)
-	} else {
-		green.Fprintln(filesView, gitFile.Name)
-	}
-}
-
-func catSelectedFile(g *gocui.Gui) (string, error) {
-	item, err := getSelectedFile(g)
-	if err != nil {
-		if err != errNoFiles {
-			return "", err
-		}
-		return "", renderString(g, "main", "No file to display")
-	}
-	cat, err := catFile(item.Name)
-	if err != nil {
-		panic(err)
-	}
-	return cat, nil
-}
-
-func refreshFiles(g *gocui.Gui) error {
-	filesView, err := g.View("files")
-	if err != nil {
-		return err
-	}
-	refreshStateGitFiles()
-	filesView.Clear()
-	for _, gitFile := range state.GitFiles {
-		renderGitFile(gitFile, filesView)
-	}
-	correctCursor(filesView)
-	if filesView == g.CurrentView() {
-		handleFileSelect(g, filesView)
-	}
-	return nil
-}
-
-func pullFiles(g *gocui.Gui, v *gocui.View) error {
-	createMessagePanel(g, v, "", "Pulling...")
-	go func() {
-		if output, err := gitPull(); err != nil {
-			createErrorPanel(g, output)
-		} else {
-			closeConfirmationPrompt(g)
-			refreshCommits(g)
-			refreshStatus(g)
-		}
-		refreshFiles(g)
-	}()
-	return nil
-}
-
-func pushFiles(g *gocui.Gui, v *gocui.View) error {
-	createMessagePanel(g, v, "", "Pushing...")
-	go func() {
-		if output, err := gitPush(); err != nil {
-			createErrorPanel(g, output)
-		} else {
-			closeConfirmationPrompt(g)
-			refreshCommits(g)
-			refreshStatus(g)
-		}
-	}()
-	return nil
-}
-
-func handleSwitchToMerge(g *gocui.Gui, v *gocui.View) error {
-	mergeView, err := g.View("main")
-	if err != nil {
-		return err
-	}
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err != errNoFiles {
-			return err
-		}
-		return nil
-	}
-	if !file.HasMergeConflicts {
-		return createErrorPanel(g, "This file has no merge conflicts")
-	}
-	switchFocus(g, v, mergeView)
-	return refreshMergePanel(g)
-}
-
-func handleAbortMerge(g *gocui.Gui, v *gocui.View) error {
-	output, err := gitAbortMerge()
-	if err != nil {
-		return createErrorPanel(g, output)
-	}
-	createMessagePanel(g, v, "", "Merge aborted")
-	refreshStatus(g)
-	return refreshFiles(g)
-}
-
-func handleResetHard(g *gocui.Gui, v *gocui.View) error {
-	return createConfirmationPanel(g, v, "Clear file panel", "Are you sure you want `reset --hard HEAD`? You may lose changes", func(g *gocui.Gui, v *gocui.View) error {
-		if err := gitResetHard(); err != nil {
-			createErrorPanel(g, err.Error())
-		}
-		return refreshFiles(g)
-	}, nil)
-}

gitcommands.go

@@ -1,546 +0,0 @@
-package main
-
-import (
-
-	// "log"
-	"errors"
-	"fmt"
-	"os"
-	"os/exec"
-	"strings"
-	"time"
-
-	"github.com/jesseduffield/gocui"
-	gitconfig "github.com/tcnksm/go-gitconfig"
-	git "gopkg.in/src-d/go-git.v4"
-	"gopkg.in/src-d/go-git.v4/plumbing/object"
-)
-
-var (
-	// ErrNoOpenCommand : When we don't know which command to use to open a file
-	ErrNoOpenCommand = errors.New("Unsure what command to use to open this file")
-)
-
-// GitFile : A staged/unstaged file
-// TODO: decide whether to give all of these the Git prefix
-type GitFile struct {
-	Name               string
-	HasStagedChanges   bool
-	HasUnstagedChanges bool
-	Tracked            bool
-	Deleted            bool
-	HasMergeConflicts  bool
-	DisplayString      string
-}
-
-// Commit : A git commit
-type Commit struct {
-	Sha           string
-	Name          string
-	Pushed        bool
-	DisplayString string
-}
-
-// StashEntry : A git stash entry
-type StashEntry struct {
-	Index         int
-	Name          string
-	DisplayString string
-}
-
-// Map (from https://gobyexample.com/collection-functions)
-func Map(vs []string, f func(string) string) []string {
-	vsm := make([]string, len(vs))
-	for i, v := range vs {
-		vsm[i] = f(v)
-	}
-	return vsm
-}
-
-func includesString(list []string, a string) bool {
-	for _, b := range list {
-		if b == a {
-			return true
-		}
-	}
-	return false
-}
-
-// not sure how to genericise this because []interface{} doesn't accept e.g.
-// []int arguments
-func includesInt(list []int, a int) bool {
-	for _, b := range list {
-		if b == a {
-			return true
-		}
-	}
-	return false
-}
-
-func mergeGitStatusFiles(oldGitFiles, newGitFiles []GitFile) []GitFile {
-	if len(oldGitFiles) == 0 {
-		return newGitFiles
-	}
-
-	appendedIndexes := make([]int, 0)
-
-	// retain position of files we already could see
-	result := make([]GitFile, 0)
-	for _, oldGitFile := range oldGitFiles {
-		for newIndex, newGitFile := range newGitFiles {
-			if oldGitFile.Name == newGitFile.Name {
-				result = append(result, newGitFile)
-				appendedIndexes = append(appendedIndexes, newIndex)
-				break
-			}
-		}
-	}
-
-	// append any new files to the end
-	for index, newGitFile := range newGitFiles {
-		if !includesInt(appendedIndexes, index) {
-			result = append(result, newGitFile)
-		}
-	}
-
-	return result
-}
-
-// only to be used when you're already in an error state
-func runDirectCommandIgnoringError(command string) string {
-	output, _ := runDirectCommand(command)
-	return output
-}
-
-func runDirectCommand(command string) (string, error) {
-	commandLog(command)
-
-	cmdOut, err := exec.
-		Command(state.Platform.shell, state.Platform.shellArg, command).
-		CombinedOutput()
-	return sanitisedCommandOutput(cmdOut, err)
-}
-
-func branchStringParts(branchString string) (string, string) {
-	// expect string to be something like '4w    master`
-	splitBranchName := strings.Split(branchString, "\t")
-	// if we have no \t then we have no recency, so just output that as blank
-	if len(splitBranchName) == 1 {
-		return "", branchString
-	}
-	return splitBranchName[0], splitBranchName[1]
-}
-
-// TODO: DRY up this function and getGitBranches
-func getGitStashEntries() []StashEntry {
-	stashEntries := make([]StashEntry, 0)
-	rawString, _ := runDirectCommand("git stash list --pretty='%gs'")
-	for i, line := range splitLines(rawString) {
-		stashEntries = append(stashEntries, stashEntryFromLine(line, i))
-	}
-	return stashEntries
-}
-
-func stashEntryFromLine(line string, index int) StashEntry {
-	return StashEntry{
-		Name:          line,
-		Index:         index,
-		DisplayString: line,
-	}
-}
-
-func getStashEntryDiff(index int) (string, error) {
-	return runCommand("git stash show -p --color stash@{" + fmt.Sprint(index) + "}")
-}
-
-func includes(array []string, str string) bool {
-	for _, arrayStr := range array {
-		if arrayStr == str {
-			return true
-		}
-	}
-	return false
-}
-
-func getGitStatusFiles() []GitFile {
-	statusOutput, _ := getGitStatus()
-	statusStrings := splitLines(statusOutput)
-	gitFiles := make([]GitFile, 0)
-
-	for _, statusString := range statusStrings {
-		change := statusString[0:2]
-		stagedChange := change[0:1]
-		unstagedChange := statusString[1:2]
-		filename := statusString[3:]
-		tracked := !includes([]string{"??", "A "}, change)
-		gitFile := GitFile{
-			Name:               filename,
-			DisplayString:      statusString,
-			HasStagedChanges:   !includes([]string{" ", "U", "?"}, stagedChange),
-			HasUnstagedChanges: unstagedChange != " ",
-			Tracked:            tracked,
-			Deleted:            unstagedChange == "D" || stagedChange == "D",
-			HasMergeConflicts:  change == "UU",
-		}
-		gitFiles = append(gitFiles, gitFile)
-	}
-	objectLog(gitFiles)
-	return gitFiles
-}
-
-func gitStashDo(index int, method string) (string, error) {
-	return runCommand("git stash " + method + " stash@{" + fmt.Sprint(index) + "}")
-}
-
-func gitStashSave(message string) (string, error) {
-	output, err := runCommand("git stash save \"" + message + "\"")
-	if err != nil {
-		return output, err
-	}
-	// if there are no local changes to save, the exit code is 0, but we want
-	// to raise an error
-	if output == "No local changes to save\n" {
-		return output, errors.New(output)
-	}
-	return output, nil
-}
-
-func gitCheckout(branch string, force bool) (string, error) {
-	forceArg := ""
-	if force {
-		forceArg = "--force "
-	}
-	return runCommand("git checkout " + forceArg + branch)
-}
-
-func sanitisedCommandOutput(output []byte, err error) (string, error) {
-	outputString := string(output)
-	if outputString == "" && err != nil {
-		return err.Error(), err
-	}
-	return outputString, err
-}
-
-func runCommand(command string) (string, error) {
-	commandLog(command)
-	splitCmd := strings.Split(command, " ")
-	cmdOut, err := exec.Command(splitCmd[0], splitCmd[1:]...).CombinedOutput()
-	return sanitisedCommandOutput(cmdOut, err)
-}
-
-func vsCodeOpenFile(g *gocui.Gui, filename string) (string, error) {
-	return runCommand("code -r " + filename)
-}
-
-func sublimeOpenFile(g *gocui.Gui, filename string) (string, error) {
-	return runCommand("subl " + filename)
-}
-
-func openFile(g *gocui.Gui, filename string) (string, error) {
-	cmdName, cmdTrail, err := getOpenCommand()
-	if err != nil {
-		return "", err
-	}
-	return runCommand(cmdName + " " + filename + cmdTrail)
-}
-
-func getOpenCommand() (string, string, error) {
-	//NextStep open equivalents: xdg-open (linux), cygstart (cygwin), open (OSX)
-	trailMap := map[string]string{
-		"xdg-open": " &>/dev/null &",
-		"cygstart": "",
-		"open":     "",
-	}
-	for name, trail := range trailMap {
-		if out, _ := runCommand("which " + name); out != "exit status 1" {
-			return name, trail, nil
-		}
-	}
-	return "", "", ErrNoOpenCommand
-}
-
-func gitAddPatch(g *gocui.Gui, filename string) {
-	runSubProcess(g, "git", "add", "--patch", filename)
-}
-
-func editFile(g *gocui.Gui, filename string) (string, error) {
-	editor, _ := gitconfig.Global("core.editor")
-	if editor == "" {
-		editor = os.Getenv("VISUAL")
-	}
-	if editor == "" {
-		editor = os.Getenv("EDITOR")
-	}
-	if editor == "" {
-		if _, err := runCommand("which vi"); err == nil {
-			editor = "vi"
-		}
-	}
-	if editor == "" {
-		return "", createErrorPanel(g, "No editor defined in $VISUAL, $EDITOR, or git config.")
-	}
-	runSubProcess(g, editor, filename)
-	return "", nil
-}
-
-func runSubProcess(g *gocui.Gui, cmdName string, commandArgs ...string) {
-	subprocess = exec.Command(cmdName, commandArgs...)
-	subprocess.Stdin = os.Stdin
-	subprocess.Stdout = os.Stdout
-	subprocess.Stderr = os.Stderr
-
-	g.Update(func(g *gocui.Gui) error {
-		return ErrSubprocess
-	})
-}
-
-func getBranchGraph(branch string) (string, error) {
-	return runCommand("git log --graph --color --abbrev-commit --decorate --date=relative --pretty=medium -100 " + branch)
-}
-
-func verifyInGitRepo() {
-	if output, err := runCommand("git status"); err != nil {
-		fmt.Println(output)
-		os.Exit(1)
-	}
-}
-
-func getCommits() []Commit {
-	pushables := gitCommitsToPush()
-	log := getLog()
-	commits := make([]Commit, 0)
-	// now we can split it up and turn it into commits
-	lines := splitLines(log)
-	for _, line := range lines {
-		splitLine := strings.Split(line, " ")
-		sha := splitLine[0]
-		pushed := includesString(pushables, sha)
-		commits = append(commits, Commit{
-			Sha:           sha,
-			Name:          strings.Join(splitLine[1:], " "),
-			Pushed:        pushed,
-			DisplayString: strings.Join(splitLine, " "),
-		})
-	}
-	return commits
-}
-
-func getLog() string {
-	// currently limiting to 30 for performance reasons
-	// TODO: add lazyloading when you scroll down
-	result, err := runDirectCommand("git log --oneline -30")
-	if err != nil {
-		// assume if there is an error there are no commits yet for this branch
-		return ""
-	}
-	return result
-}
-
-func gitIgnore(filename string) {
-	if _, err := runDirectCommand("echo '" + filename + "' >> .gitignore"); err != nil {
-		panic(err)
-	}
-}
-
-func gitShow(sha string) string {
-	result, err := runDirectCommand("git show --color " + sha)
-	if err != nil {
-		panic(err)
-	}
-	return result
-}
-
-func getDiff(file GitFile) string {
-	cachedArg := ""
-	if file.HasStagedChanges && !file.HasUnstagedChanges {
-		cachedArg = "--cached "
-	}
-	deletedArg := ""
-	if file.Deleted {
-		deletedArg = "-- "
-	}
-	trackedArg := ""
-	if !file.Tracked && !file.HasStagedChanges {
-		trackedArg = "--no-index /dev/null "
-	}
-	command := "git diff --color " + cachedArg + deletedArg + trackedArg + file.Name
-	// for now we assume an error means the file was deleted
-	s, _ := runCommand(command)
-	return s
-}
-
-func catFile(file string) (string, error) {
-	return runDirectCommand("cat " + file)
-}
-
-func stageFile(file string) error {
-	_, err := runCommand("git add " + file)
-	return err
-}
-
-func unStageFile(file string, tracked bool) error {
-	var command string
-	if tracked {
-		command = "git reset HEAD "
-	} else {
-		command = "git rm --cached "
-	}
-	_, err := runCommand(command + file)
-	return err
-}
-
-func getGitStatus() (string, error) {
-	return runCommand("git status --untracked-files=all --short")
-}
-
-func isInMergeState() (bool, error) {
-	output, err := runCommand("git status --untracked-files=all")
-	if err != nil {
-		return false, err
-	}
-	return strings.Contains(output, "conclude merge") || strings.Contains(output, "unmerged paths"), nil
-}
-
-func removeFile(file GitFile) error {
-	// if the file isn't tracked, we assume you want to delete it
-	if !file.Tracked {
-		_, err := runCommand("rm -rf ./" + file.Name)
-		return err
-	}
-	// if the file is tracked, we assume you want to just check it out
-	_, err := runCommand("git checkout " + file.Name)
-	return err
-}
-
-func gitCommit(g *gocui.Gui, message string) (string, error) {
-	gpgsign, _ := gitconfig.Global("commit.gpgsign")
-	if gpgsign != "" {
-		runSubProcess(g, "git", "commit")
-		return "", nil
-	}
-	userName, err := gitconfig.Username()
-	if userName == "" {
-		return "", errNoUsername
-	}
-	userEmail, err := gitconfig.Email()
-	_, err = w.Commit(message, &git.CommitOptions{
-		Author: &object.Signature{
-			Name:  userName,
-			Email: userEmail,
-			When:  time.Now(),
-		},
-	})
-	if err != nil {
-		return err.Error(), err
-	}
-	return "", nil
-}
-
-func gitPull() (string, error) {
-	return runDirectCommand("git pull --no-edit")
-}
-
-func gitPush() (string, error) {
-	return runDirectCommand("git push -u origin " + state.Branches[0].Name)
-}
-
-func gitSquashPreviousTwoCommits(message string) (string, error) {
-	return runDirectCommand("git reset --soft HEAD^ && git commit --amend -m \"" + message + "\"")
-}
-
-func gitSquashFixupCommit(branchName string, shaValue string) (string, error) {
-	var err error
-	commands := []string{
-		"git checkout -q " + shaValue,
-		"git reset --soft " + shaValue + "^",
-		"git commit --amend -C " + shaValue + "^",
-		"git rebase --onto HEAD " + shaValue + " " + branchName,
-	}
-	ret := ""
-	for _, command := range commands {
-		devLog(command)
-		output, err := runDirectCommand(command)
-		ret += output
-		if err != nil {
-			devLog(ret)
-			break
-		}
-	}
-	if err != nil {
-		// We are already in an error state here so we're just going to append
-		// the output of these commands
-		ret += runDirectCommandIgnoringError("git branch -d " + shaValue)
-		ret += runDirectCommandIgnoringError("git checkout " + branchName)
-	}
-	return ret, err
-}
-
-func gitRenameCommit(message string) (string, error) {
-	return runDirectCommand("git commit --allow-empty --amend -m \"" + message + "\"")
-}
-
-func gitFetch() (string, error) {
-	return runDirectCommand("git fetch")
-}
-
-func gitResetToCommit(sha string) (string, error) {
-	return runDirectCommand("git reset " + sha)
-}
-
-func gitNewBranch(name string) (string, error) {
-	return runDirectCommand("git checkout -b " + name)
-}
-
-func gitDeleteBranch(branch string) (string, error) {
-	return runCommand("git branch -d " + branch)
-}
-
-func gitListStash() (string, error) {
-	return runDirectCommand("git stash list")
-}
-
-func gitMerge(branchName string) (string, error) {
-	return runDirectCommand("git merge --no-edit " + branchName)
-}
-
-func gitAbortMerge() (string, error) {
-	return runDirectCommand("git merge --abort")
-}
-
-func gitUpstreamDifferenceCount() (string, string) {
-	pushableCount, err := runDirectCommand("git rev-list @{u}..head --count")
-	if err != nil {
-		return "?", "?"
-	}
-	pullableCount, err := runDirectCommand("git rev-list head..@{u} --count")
-	if err != nil {
-		return "?", "?"
-	}
-	return strings.TrimSpace(pushableCount), strings.TrimSpace(pullableCount)
-}
-
-func gitCommitsToPush() []string {
-	pushables, err := runDirectCommand("git rev-list @{u}..head --abbrev-commit")
-	if err != nil {
-		return make([]string, 0)
-	}
-	return splitLines(pushables)
-}
-
-func getGitBranches() []Branch {
-	builder := newBranchListBuilder()
-	return builder.build()
-}
-
-func branchIncluded(branchName string, branches []Branch) bool {
-	for _, existingBranch := range branches {
-		if strings.ToLower(existingBranch.Name) == strings.ToLower(branchName) {
-			return true
-		}
-	}
-	return false
-}
-
-func gitResetHard() error {
-	return w.Reset(&git.ResetOptions{Mode: git.HardReset})
-}

go.mod

@@ -0,0 +1,63 @@
+module github.com/jesseduffield/lazygit
+
+require (
+	github.com/aws/aws-sdk-go v1.15.21
+	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d
+	github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21
+	github.com/davecgh/go-spew v1.1.0
+	github.com/emirpasic/gods v1.9.0
+	github.com/fatih/color v1.7.0
+	github.com/fsnotify/fsnotify v1.4.7
+	github.com/go-ini/ini v1.38.2
+	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
+	github.com/hashicorp/go-cleanhttp v0.0.0-20171218145408-d5fe4b57a186
+	github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001
+	github.com/hashicorp/go-safetemp v0.0.0-20180326211150-b1a1dbde6fdc
+	github.com/hashicorp/go-version v1.0.0
+	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce
+	github.com/heroku/rollrus v0.0.0-20180515183152-fc0cef2ff331
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99
+	github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63
+	github.com/jesseduffield/gocui v0.0.0-20190115084758-cfa9e452ba5e
+	github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406
+	github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb
+	github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8
+	github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1
+	github.com/kevinburke/ssh_config v0.0.0-20180317175531-9fc7bb800b55
+	github.com/magiconair/properties v1.8.0
+	github.com/mattn/go-colorable v0.0.9
+	github.com/mattn/go-isatty v0.0.3
+	github.com/mattn/go-runewidth v0.0.2
+	github.com/mgutz/str v1.2.0
+	github.com/mitchellh/go-homedir v0.0.0-20180801233206-58046073cbff
+	github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77
+	github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699
+	github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80
+	github.com/pelletier/go-buffruneio v0.2.0
+	github.com/pelletier/go-toml v1.2.0
+	github.com/pkg/errors v0.8.0
+	github.com/pmezard/go-difflib v1.0.0
+	github.com/sergi/go-diff v1.0.0
+	github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0
+	github.com/sirupsen/logrus v1.0.6
+	github.com/spf13/afero v1.1.1
+	github.com/spf13/cast v1.2.0
+	github.com/spf13/jwalterweatherman v0.0.0-20180814060501-14d3d4c51834
+	github.com/spf13/pflag v1.0.2
+	github.com/spf13/viper v1.1.0
+	github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad
+	github.com/src-d/gcfg v1.3.0
+	github.com/stretchr/testify v1.2.2
+	github.com/stvp/roll v0.0.0-20170522205222-3627a5cbeaea
+	github.com/tcnksm/go-gitconfig v0.1.2
+	github.com/ulikunitz/xz v0.5.4
+	github.com/xanzy/ssh-agent v0.2.0
+	golang.org/x/crypto v0.0.0-20180808211826-de0752318171
+	golang.org/x/net v0.0.0-20180811021610-c39426892332
+	golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0
+	golang.org/x/text v0.3.0
+	gopkg.in/src-d/go-billy.v4 v4.2.0
+	gopkg.in/src-d/go-git.v4 v4.0.0-20180807092216-43d17e14b714
+	gopkg.in/warnings.v0 v0.1.2
+	gopkg.in/yaml.v2 v2.2.1
+)

go.sum

@@ -0,0 +1,121 @@
+github.com/BurntSushi/toml v0.3.0/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/aws/aws-sdk-go v1.15.21 h1:STLvc6RrpycslC1NRtTvt/YSgDkIGCTrB9K9vE5R2oQ=
+github.com/aws/aws-sdk-go v1.15.21/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ00z/TKoufEY6K/a0k6AhaJrQKdFe6OfVXsa4=
+github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21 h1:tuijfIjZyjZaHq9xDUh0tNitwXshJpbLkqMOJv4H3do=
+github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21/go.mod h1:po7NpZ/QiTKzBKyrsEAxwnTamCoh8uDk/egRpQ7siIc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/emirpasic/gods v1.9.0 h1:rUF4PuzEjMChMiNsVjdI+SyLu7rEqpQ5reNFnhC7oFo=
+github.com/emirpasic/gods v1.9.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/go-ini/ini v1.25.4/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
+github.com/go-ini/ini v1.38.2 h1:6Hl/z3p3iFkA0dlDfzYxuFuUGD+kaweypF6btsR2/Q4=
+github.com/go-ini/ini v1.38.2/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
+github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3 h1:zN2lZNZRflqFyxVaTIU61KNKQ9C0055u9CAfpmqUvo4=
+github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3/go.mod h1:nPpo7qLxd6XL3hWJG/O60sR8ZKfMCiIoNap5GvD12KU=
+github.com/hashicorp/go-cleanhttp v0.0.0-20171218145408-d5fe4b57a186 h1:URgjUo+bs1KwatoNbwG0uCO4dHN4r1jsp4a5AGgHRjo=
+github.com/hashicorp/go-cleanhttp v0.0.0-20171218145408-d5fe4b57a186/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001 h1:MFPzqpPED05pFyGjNPJEC2sXM6EHTzFyvX+0s0JoZ48=
+github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001/go.mod h1:6rdJFnhkXnzGOJbvkrdv4t9nLwKcVA+tmbQeUlkIzrU=
+github.com/hashicorp/go-safetemp v0.0.0-20180326211150-b1a1dbde6fdc h1:wAa9fGALVHfjYxZuXRnmuJG2CnwRpJYOTvY6YdErAh0=
+github.com/hashicorp/go-safetemp v0.0.0-20180326211150-b1a1dbde6fdc/go.mod h1:oaerMy3BhqiTbVye6QuFhFtIceqFoDHxNAB65b+Rj1I=
+github.com/hashicorp/go-version v1.0.0 h1:21MVWPKDphxa7ineQQTrCU5brh7OuVVAzGOCnnCPtE8=
+github.com/hashicorp/go-version v1.0.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce h1:xdsDDbiBDQTKASoGEZ+pEmF1OnWuu8AQ9I8iNbHNeno=
+github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
+github.com/heroku/rollrus v0.0.0-20180515183152-fc0cef2ff331 h1:qio0y/sQdhbHRA3cmgczo04MaSV2zw+n46G1owvgWIk=
+github.com/heroku/rollrus v0.0.0-20180515183152-fc0cef2ff331/go.mod h1:BT+PgT529opmb6mcUY+Fg0IwVRRmwqFyavEMU17GnBg=
+github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
+github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
+github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63 h1:Nrr/yUxNjXWYK0B3IqcFlYh1ICnesJDB4ogcfOVc5Ns=
+github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63/go.mod h1:fNqjRf+4XnTo2PrGN1JRb79b/BeoHwP4lU00f39SQY0=
+github.com/jesseduffield/gocui v0.0.0-20181209104758-fe55a32c8a4c h1:jEfh/vAtfF3pQ8xFhpYR/0S4iHo11VfaYelJmzZJm94=
+github.com/jesseduffield/gocui v0.0.0-20181209104758-fe55a32c8a4c/go.mod h1:2RtZznzYKt8RLRwvFiSkXjU0Ei8WwHdubgnlaYH47dw=
+github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406 h1:iYMH6h6SuWuBkIzRtymosE8NpSgTK0oRMfyTdVWgxzc=
+github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406/go.mod h1:7jlS40+UhOqkZJDIG1B/H21xnuET/+fvbbnHCa8wSIo=
+github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb h1:cFHYEWpQEfzFZVKiKZytCUX4UwQixKSw0kd3WhluPsY=
+github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb/go.mod h1:anMibpZtqNxjDbxrcDEAwSdaJ37vyUeM1f/M4uekib4=
+github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8 h1:12VvqtR6Aowv3l/EQUlocDHW2Cp4G9WJVH7uyH8QFJE=
+github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
+github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 h1:PJPDf8OUfOK1bb/NeTKd4f1QXZItOX389VN3B6qC8ro=
+github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
+github.com/kevinburke/ssh_config v0.0.0-20180317175531-9fc7bb800b55 h1:S38dC4mEwxdw/U41+97VWdbun8mTcTjwg5Ujfg8QPME=
+github.com/kevinburke/ssh_config v0.0.0-20180317175531-9fc7bb800b55/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
+github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
+github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC63o=
+github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/mgutz/str v1.2.0 h1:4IzWSdIz9qPQWLfKZ0rJcV0jcUDpxvP4JVZ4GXQyvSw=
+github.com/mgutz/str v1.2.0/go.mod h1:w1v0ofgLaJdoD0HpQ3fycxKD1WtxpjSo151pK/31q6w=
+github.com/mitchellh/go-homedir v0.0.0-20180801233206-58046073cbff h1:jM4Eo4qMmmcqePS3u6X2lcEELtVuXWkWJIS/pRI3oSk=
+github.com/mitchellh/go-homedir v0.0.0-20180801233206-58046073cbff/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77 h1:7GoSOOW2jpsfkntVKaS2rAr1TJqfcxotyaUcuxoZSzg=
+github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
+github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699 h1:KXZJFdun9knAVAR8tg/aHJEr5DgtcbqyvzacK+CDCaI=
+github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80 h1:7ory6RlsEkeK89iyV7Imz3sVz8YHeSw29w3PehpCWC0=
+github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80/go.mod h1:e4Di5xjP9oTVrC6y3C7C0HoSYXjSbhh/dU0eUV32nB4=
+github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.6 h1:SooTCzUOOs899x/M7gmSS+dgL+AUfSWqAcHLN3auCic=
+github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.6/go.mod h1:4Opqa6/HIv0lhG3WRAkqzO0afezkRhxXI0P8EJkqeRU=
+github.com/pelletier/go-buffruneio v0.2.0 h1:U4t4R6YkofJ5xHm3dJzuRpPZ0mr5MMCoAWooScCR7aA=
+github.com/pelletier/go-buffruneio v0.2.0/go.mod h1:JkE26KsDizTr40EUHkXVtNPvgGtbSNq5BcowyYOWdKo=
+github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
+github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
+github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
+github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
+github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0 h1:Xuk8ma/ibJ1fOy4Ee11vHhUFHQNpHhrBneOCNHVXS5w=
+github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0/go.mod h1:7AwjWCpdPhkSmNAgUv5C7EJ4AbmjEB3r047r3DXWu3Y=
+github.com/sirupsen/logrus v1.0.6 h1:hcP1GmhGigz/O7h1WVUM5KklBp1JoNS9FggWKdj/j3s=
+github.com/sirupsen/logrus v1.0.6/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
+github.com/spf13/afero v1.1.1 h1:Lt3ihYMlE+lreX1GS4Qw4ZsNpYQLxIXKBTEOXm3nt6I=
+github.com/spf13/afero v1.1.1/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/cast v1.2.0 h1:HHl1DSRbEQN2i8tJmtS6ViPyHx35+p51amrdsiTCrkg=
+github.com/spf13/cast v1.2.0/go.mod h1:r2rcYCSwa1IExKTDiTfzaxqT2FNHs8hODu4LnUfgKEg=
+github.com/spf13/jwalterweatherman v0.0.0-20180814060501-14d3d4c51834 h1:kJI9pPzfsULT/72wy7mxkRQZPtKWgFdCA2RTGZ4v8/E=
+github.com/spf13/jwalterweatherman v0.0.0-20180814060501-14d3d4c51834/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
+github.com/spf13/pflag v1.0.2 h1:Fy0orTDgHdbnzHcsOgfCN4LtHf0ec3wwtiwJqwvf3Gc=
+github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/viper v1.1.0 h1:V7OZpY8i3C1x/pDmU0zNNlfVoDz112fSYvtWMjjS3f4=
+github.com/spf13/viper v1.1.0/go.mod h1:A8kyI5cUJhb8N+3pkfONlcEcZbueH6nhAm0Fq7SrnBM=
+github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad h1:fiWzISvDn0Csy5H0iwgAuJGQTUpVfEMJJd4nRFXogbc=
+github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad/go.mod h1:qLr4V1qq6nMqFKkMo8ZTx3f+BZEkzsRUY10Xsm2mwU0=
+github.com/src-d/gcfg v1.3.0 h1:2BEDr8r0I0b8h/fOqwtxCEiq2HJu8n2JGZJQFGXWLjg=
+github.com/src-d/gcfg v1.3.0/go.mod h1:p/UMsR43ujA89BJY9duynAwIpvqEujIH/jFlfL7jWoI=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stvp/roll v0.0.0-20170522205222-3627a5cbeaea h1:jysxIKov/4GJ33wI2aRvuIK7yBwB28E5almlgDLPRpM=
+github.com/stvp/roll v0.0.0-20170522205222-3627a5cbeaea/go.mod h1:Ffmqrj3nXIMIjeA4uW3Qjj0Ud9eDoTG0fu4JxyAr/tE=
+github.com/tcnksm/go-gitconfig v0.1.2 h1:iiDhRitByXAEyjgBqsKi9QU4o2TNtv9kPP3RgPgXBPw=
+github.com/tcnksm/go-gitconfig v0.1.2/go.mod h1:/8EhP4H7oJZdIPyT+/UIsG87kTzrzM4UsLGSItWYCpE=
+github.com/ulikunitz/xz v0.5.4 h1:zATC2OoZ8H1TZll3FpbX+ikwmadbO699PE06cIkm9oU=
+github.com/ulikunitz/xz v0.5.4/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
+github.com/xanzy/ssh-agent v0.2.0 h1:Adglfbi5p9Z0BmK2oKU9nTG+zKfniSfnaMYB+ULd+Ro=
+github.com/xanzy/ssh-agent v0.2.0/go.mod h1:0NyE30eGUDliuLEHJgYte/zncp2zdTStcOnWhgSqHD8=
+golang.org/x/crypto v0.0.0-20180808211826-de0752318171 h1:vYogbvSFj2YXcjQxFHu/rASSOt9sLytpCaSkiwQ135I=
+golang.org/x/crypto v0.0.0-20180808211826-de0752318171/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/net v0.0.0-20180811021610-c39426892332 h1:efGso+ep0DjyCBJPjvoz0HI6UldX4Md2F1rZFe1ir0E=
+golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0 h1:8H8QZJ30plJyIVj60H3lr8TZGIq2Fh3Cyrs/ZNg1foU=
+golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.0.0-20171214130843-f21a4dfb5e38/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/src-d/go-billy.v4 v4.2.0 h1:VGbrP1EsYxtvVPEiHui+4//imr4E5MGEFLx66bQtusg=
+gopkg.in/src-d/go-billy.v4 v4.2.0/go.mod h1:ZHSF0JP+7oD97194otDUCD7Ofbk63+xFcfWP5bT6h+Q=
+gopkg.in/src-d/go-git.v4 v4.0.0-20180807092216-43d17e14b714 h1:+wM2BGgQ1znCKBexOB4OrGVSDw8mtKNUSq3wqxZhi/k=
+gopkg.in/src-d/go-git.v4 v4.0.0-20180807092216-43d17e14b714/go.mod h1:CzbUWqMn4pvmvndg3gnh5iZFmSsbhyhUWdI0IQ60AQo=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

gui.go

@@ -1,300 +0,0 @@
-package main
-
-import (
-
-	// "io"
-	// "io/ioutil"
-
-	"runtime"
-	"strings"
-	"time"
-
-	// "strings"
-
-	"github.com/golang-collections/collections/stack"
-	"github.com/jesseduffield/gocui"
-)
-
-// OverlappingEdges determines if panel edges overlap
-var OverlappingEdges = false
-
-type stateType struct {
-	GitFiles          []GitFile
-	Branches          []Branch
-	Commits           []Commit
-	StashEntries      []StashEntry
-	PreviousView      string
-	HasMergeConflicts bool
-	ConflictIndex     int
-	ConflictTop       bool
-	Conflicts         []conflict
-	EditHistory       *stack.Stack
-	Platform          platform
-}
-
-type conflict struct {
-	start  int
-	middle int
-	end    int
-}
-
-var state = stateType{
-	GitFiles:      make([]GitFile, 0),
-	PreviousView:  "files",
-	Commits:       make([]Commit, 0),
-	StashEntries:  make([]StashEntry, 0),
-	ConflictIndex: 0,
-	ConflictTop:   true,
-	Conflicts:     make([]conflict, 0),
-	EditHistory:   stack.New(),
-	Platform:      getPlatform(),
-}
-
-type platform struct {
-	os           string
-	shell        string
-	shellArg     string
-	escapedQuote string
-}
-
-func getPlatform() platform {
-	switch runtime.GOOS {
-	case "windows":
-		return platform{
-			os:           "windows",
-			shell:        "cmd",
-			shellArg:     "/c",
-			escapedQuote: "\\\"",
-		}
-	default:
-		return platform{
-			os:           runtime.GOOS,
-			shell:        "bash",
-			shellArg:     "-c",
-			escapedQuote: "\"",
-		}
-	}
-}
-
-func scrollUpMain(g *gocui.Gui, v *gocui.View) error {
-	mainView, _ := g.View("main")
-	ox, oy := mainView.Origin()
-	if oy >= 1 {
-		return mainView.SetOrigin(ox, oy-1)
-	}
-	return nil
-}
-
-func scrollDownMain(g *gocui.Gui, v *gocui.View) error {
-	mainView, _ := g.View("main")
-	ox, oy := mainView.Origin()
-	if oy < len(mainView.BufferLines()) {
-		return mainView.SetOrigin(ox, oy+1)
-	}
-	return nil
-}
-
-func handleRefresh(g *gocui.Gui, v *gocui.View) error {
-	return refreshSidePanels(g)
-}
-
-func max(a, b int) int {
-	if a > b {
-		return a
-	}
-	return b
-}
-
-// layout is called for every screen re-render e.g. when the screen is resized
-func layout(g *gocui.Gui) error {
-	g.Highlight = true
-	g.SelFgColor = gocui.ColorWhite | gocui.AttrBold
-	width, height := g.Size()
-	leftSideWidth := width / 3
-	statusFilesBoundary := 2
-	filesBranchesBoundary := 2 * height / 5   // height - 20
-	commitsBranchesBoundary := 3 * height / 5 // height - 10
-	commitsStashBoundary := height - 5        // height - 5
-	minimumHeight := 16
-	minimumWidth := 10
-
-	panelSpacing := 1
-	if OverlappingEdges {
-		panelSpacing = 0
-	}
-
-	if height < minimumHeight || width < minimumWidth {
-		v, err := g.SetView("limit", 0, 0, max(width-1, 2), max(height-1, 2), 0)
-		if err != nil {
-			if err != gocui.ErrUnknownView {
-				return err
-			}
-			v.Title = "Not enough space to render panels"
-			v.Wrap = true
-		}
-		return nil
-	}
-
-	g.DeleteView("limit")
-
-	optionsTop := height - 2
-	// hiding options if there's not enough space
-	if height < 30 {
-		optionsTop = height - 1
-	}
-
-	v, err := g.SetView("main", leftSideWidth+panelSpacing, 0, width-1, optionsTop, gocui.LEFT)
-	if err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Diff"
-		v.Wrap = true
-		v.FgColor = gocui.ColorWhite
-	}
-
-	if v, err := g.SetView("status", 0, 0, leftSideWidth, statusFilesBoundary, gocui.BOTTOM|gocui.RIGHT); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Status"
-		v.FgColor = gocui.ColorWhite
-	}
-
-	filesView, err := g.SetView("files", 0, statusFilesBoundary+panelSpacing, leftSideWidth, filesBranchesBoundary, gocui.TOP|gocui.BOTTOM)
-	if err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		filesView.Highlight = true
-		filesView.Title = "Files"
-		v.FgColor = gocui.ColorWhite
-	}
-
-	if v, err := g.SetView("branches", 0, filesBranchesBoundary+panelSpacing, leftSideWidth, commitsBranchesBoundary, gocui.TOP|gocui.BOTTOM); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Branches"
-		v.FgColor = gocui.ColorWhite
-	}
-
-	if v, err := g.SetView("commits", 0, commitsBranchesBoundary+panelSpacing, leftSideWidth, commitsStashBoundary, gocui.TOP|gocui.BOTTOM); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Commits"
-		v.FgColor = gocui.ColorWhite
-	}
-
-	if v, err := g.SetView("stash", 0, commitsStashBoundary+panelSpacing, leftSideWidth, optionsTop, gocui.TOP|gocui.RIGHT); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Stash"
-		v.FgColor = gocui.ColorWhite
-	}
-
-	if v, err := g.SetView("options", -1, optionsTop, width-len(version)-2, optionsTop+2, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.FgColor = gocui.ColorBlue
-		v.Frame = false
-	}
-
-	if getCommitMessageView(g) == nil {
-		// doesn't matter where this view starts because it will be hidden
-		if commitMessageView, err := g.SetView("commitMessage", 0, 0, width, height, 0); err != nil {
-			if err != gocui.ErrUnknownView {
-				return err
-			}
-			g.SetViewOnBottom("commitMessage")
-			commitMessageView.Title = "Commit message"
-			commitMessageView.FgColor = gocui.ColorWhite
-			commitMessageView.Editable = true
-		}
-	}
-
-	if v, err := g.SetView("version", width-len(version)-1, optionsTop, width, optionsTop+2, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.BgColor = gocui.ColorDefault
-		v.FgColor = gocui.ColorGreen
-		v.Frame = false
-		renderString(g, "version", version)
-
-		// these are only called once
-		handleFileSelect(g, filesView)
-		refreshFiles(g)
-		refreshBranches(g)
-		refreshCommits(g)
-		refreshStashEntries(g)
-		nextView(g, nil)
-	}
-
-	resizePopupPanels(g)
-
-	return nil
-}
-
-func fetch(g *gocui.Gui) error {
-	gitFetch()
-	refreshStatus(g)
-	return nil
-}
-
-func updateLoader(g *gocui.Gui) error {
-	if confirmationView, _ := g.View("confirmation"); confirmationView != nil {
-		content := trimmedContent(confirmationView)
-		if strings.Contains(content, "...") {
-			staticContent := strings.Split(content, "...")[0] + "..."
-			renderString(g, "confirmation", staticContent+" "+loader())
-		}
-	}
-	return nil
-}
-
-func goEvery(g *gocui.Gui, interval time.Duration, function func(*gocui.Gui) error) {
-	go func() {
-		for range time.Tick(interval) {
-			function(g)
-		}
-	}()
-}
-
-func resizePopupPanels(g *gocui.Gui) error {
-	v := g.CurrentView()
-	if v.Name() == "commitMessage" || v.Name() == "confirmation" {
-		return resizePopupPanel(g, v)
-	}
-	return nil
-}
-
-func run() (err error) {
-	g, err := gocui.NewGui(gocui.OutputNormal, OverlappingEdges)
-	if err != nil {
-		return
-	}
-	defer g.Close()
-
-	g.FgColor = gocui.ColorDefault
-
-	goEvery(g, time.Second*60, fetch)
-	goEvery(g, time.Second*10, refreshFiles)
-	goEvery(g, time.Millisecond*10, updateLoader)
-
-	g.SetManagerFunc(layout)
-
-	if err = keybindings(g); err != nil {
-		return
-	}
-
-	err = g.MainLoop()
-	return
-}
-
-func quit(g *gocui.Gui, v *gocui.View) error {
-	return gocui.ErrQuit
-}

keybindings.go

@@ -1,91 +0,0 @@
-package main
-
-import "github.com/jesseduffield/gocui"
-
-// Binding - a keybinding mapping a key and modifier to a handler. The keypress
-// is only handled if the given view has focus, or handled globally if the view
-// is ""
-type Binding struct {
-	ViewName string
-	Handler  func(*gocui.Gui, *gocui.View) error
-	Key      interface{} // FIXME: find out how to get `gocui.Key | rune`
-	Modifier gocui.Modifier
-}
-
-func keybindings(g *gocui.Gui) error {
-	bindings := []Binding{
-		{ViewName: "", Key: 'q', Modifier: gocui.ModNone, Handler: quit},
-		{ViewName: "", Key: gocui.KeyCtrlC, Modifier: gocui.ModNone, Handler: quit},
-		{ViewName: "", Key: gocui.KeyPgup, Modifier: gocui.ModNone, Handler: scrollUpMain},
-		{ViewName: "", Key: gocui.KeyPgdn, Modifier: gocui.ModNone, Handler: scrollDownMain},
-		{ViewName: "", Key: 'P', Modifier: gocui.ModNone, Handler: pushFiles},
-		{ViewName: "", Key: 'p', Modifier: gocui.ModNone, Handler: pullFiles},
-		{ViewName: "", Key: 'R', Modifier: gocui.ModNone, Handler: handleRefresh},
-		{ViewName: "files", Key: 'c', Modifier: gocui.ModNone, Handler: handleCommitPress},
-		{ViewName: "files", Key: 'C', Modifier: gocui.ModNone, Handler: handleCommitEditorPress},
-		{ViewName: "files", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleFilePress},
-		{ViewName: "files", Key: 'd', Modifier: gocui.ModNone, Handler: handleFileRemove},
-		{ViewName: "files", Key: 'm', Modifier: gocui.ModNone, Handler: handleSwitchToMerge},
-		{ViewName: "files", Key: 'e', Modifier: gocui.ModNone, Handler: handleFileEdit},
-		{ViewName: "files", Key: 'o', Modifier: gocui.ModNone, Handler: handleFileOpen},
-		{ViewName: "files", Key: 's', Modifier: gocui.ModNone, Handler: handleSublimeFileOpen},
-		{ViewName: "files", Key: 'v', Modifier: gocui.ModNone, Handler: handleVsCodeFileOpen},
-		{ViewName: "files", Key: 'i', Modifier: gocui.ModNone, Handler: handleIgnoreFile},
-		{ViewName: "files", Key: 'r', Modifier: gocui.ModNone, Handler: handleRefreshFiles},
-		{ViewName: "files", Key: 'S', Modifier: gocui.ModNone, Handler: handleStashSave},
-		{ViewName: "files", Key: 'a', Modifier: gocui.ModNone, Handler: handleAbortMerge},
-		{ViewName: "files", Key: 't', Modifier: gocui.ModNone, Handler: handleAddPatch},
-		{ViewName: "files", Key: 'D', Modifier: gocui.ModNone, Handler: handleResetHard},
-		{ViewName: "main", Key: gocui.KeyEsc, Modifier: gocui.ModNone, Handler: handleEscapeMerge},
-		{ViewName: "main", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handlePickHunk},
-		{ViewName: "main", Key: 'b', Modifier: gocui.ModNone, Handler: handlePickBothHunks},
-		{ViewName: "main", Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: handleSelectPrevConflict},
-		{ViewName: "main", Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: handleSelectNextConflict},
-		{ViewName: "main", Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: handleSelectTop},
-		{ViewName: "main", Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: handleSelectBottom},
-		{ViewName: "main", Key: 'h', Modifier: gocui.ModNone, Handler: handleSelectPrevConflict},
-		{ViewName: "main", Key: 'l', Modifier: gocui.ModNone, Handler: handleSelectNextConflict},
-		{ViewName: "main", Key: 'k', Modifier: gocui.ModNone, Handler: handleSelectTop},
-		{ViewName: "main", Key: 'j', Modifier: gocui.ModNone, Handler: handleSelectBottom},
-		{ViewName: "main", Key: 'z', Modifier: gocui.ModNone, Handler: handlePopFileSnapshot},
-		{ViewName: "branches", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleBranchPress},
-		{ViewName: "branches", Key: 'c', Modifier: gocui.ModNone, Handler: handleCheckoutByName},
-		{ViewName: "branches", Key: 'F', Modifier: gocui.ModNone, Handler: handleForceCheckout},
-		{ViewName: "branches", Key: 'n', Modifier: gocui.ModNone, Handler: handleNewBranch},
-		{ViewName: "branches", Key: 'd', Modifier: gocui.ModNone, Handler: handleDeleteBranch},
-		{ViewName: "branches", Key: 'm', Modifier: gocui.ModNone, Handler: handleMerge},
-		{ViewName: "commits", Key: 's', Modifier: gocui.ModNone, Handler: handleCommitSquashDown},
-		{ViewName: "commits", Key: 'r', Modifier: gocui.ModNone, Handler: handleRenameCommit},
-		{ViewName: "commits", Key: 'g', Modifier: gocui.ModNone, Handler: handleResetToCommit},
-		{ViewName: "commits", Key: 'f', Modifier: gocui.ModNone, Handler: handleCommitFixup},
-		{ViewName: "stash", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleStashApply},
-		{ViewName: "stash", Key: 'g', Modifier: gocui.ModNone, Handler: handleStashPop},
-		{ViewName: "stash", Key: 'd', Modifier: gocui.ModNone, Handler: handleStashDrop},
-		{ViewName: "commitMessage", Key: gocui.KeyEnter, Modifier: gocui.ModNone, Handler: handleCommitConfirm},
-		{ViewName: "commitMessage", Key: gocui.KeyEsc, Modifier: gocui.ModNone, Handler: handleCommitClose},
-		{ViewName: "commitMessage", Key: gocui.KeyTab, Modifier: gocui.ModNone, Handler: handleNewlineCommitMessage},
-	}
-
-	// Would make these keybindings global but that interferes with editing
-	// input in the confirmation panel
-	for _, viewName := range []string{"files", "branches", "commits", "stash"} {
-		bindings = append(bindings, []Binding{
-			{ViewName: viewName, Key: gocui.KeyTab, Modifier: gocui.ModNone, Handler: nextView},
-			{ViewName: viewName, Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: previousView},
-			{ViewName: viewName, Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: nextView},
-			{ViewName: viewName, Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: cursorUp},
-			{ViewName: viewName, Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: cursorDown},
-			{ViewName: viewName, Key: 'h', Modifier: gocui.ModNone, Handler: previousView},
-			{ViewName: viewName, Key: 'l', Modifier: gocui.ModNone, Handler: nextView},
-			{ViewName: viewName, Key: 'k', Modifier: gocui.ModNone, Handler: cursorUp},
-			{ViewName: viewName, Key: 'j', Modifier: gocui.ModNone, Handler: cursorDown},
-		}...)
-	}
-
-	for _, binding := range bindings {
-		if err := g.SetKeybinding(binding.ViewName, binding.Key, binding.Modifier, binding.Handler); err != nil {
-			return err
-		}
-	}
-	return nil
-}

main.go

@@ -1,138 +1,54 @@
 package main
 
 import (
-	"errors"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
-	"os/exec"
-	"os/user"
 	"path/filepath"
+	"runtime"
 
-	"github.com/davecgh/go-spew/spew"
-
-	"github.com/jesseduffield/gocui"
-	git "gopkg.in/src-d/go-git.v4"
+	"github.com/jesseduffield/lazygit/pkg/app"
+	"github.com/jesseduffield/lazygit/pkg/config"
 )
 
-// ErrSubProcess is raised when we are running a subprocess
 var (
-	ErrSubprocess = errors.New("running subprocess")
-	subprocess    *exec.Cmd
+	commit      string
+	version     = "unversioned"
+	date        string
+	buildSource = "unknown"
 
-	commit  string
-	version = "unversioned"
-
-	date          string
+	configFlag    = flag.Bool("config", false, "Print the current default config")
 	debuggingFlag = flag.Bool("debug", false, "a boolean")
 	versionFlag   = flag.Bool("v", false, "Print the current version")
-
-	w *git.Worktree
-	r *git.Repository
 )
 
-func homeDirectory() string {
-	usr, err := user.Current()
-	if err != nil {
-		log.Fatal(err)
-	}
-	return usr.HomeDir
-}
-
 func projectPath(path string) string {
 	gopath := os.Getenv("GOPATH")
 	return filepath.FromSlash(gopath + "/src/github.com/jesseduffield/lazygit/" + path)
 }
 
-func devLog(objects ...interface{}) {
-	localLog("development.log", objects...)
-}
-
-func objectLog(object interface{}) {
-	if !*debuggingFlag {
-		return
-	}
-	str := spew.Sdump(object)
-	localLog("development.log", str)
-}
-
-func commandLog(objects ...interface{}) {
-	localLog("commands.log", objects...)
-}
-
-func localLog(path string, objects ...interface{}) {
-	if !*debuggingFlag {
-		return
-	}
-	f, err := os.OpenFile(projectPath(path), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
-	if err != nil {
-		panic(err.Error())
-	}
-	defer f.Close()
-	log.SetOutput(f)
-	for _, object := range objects {
-		log.Println(fmt.Sprint(object))
-	}
-}
-
-func navigateToRepoRootDirectory() {
-	_, err := os.Stat(".git")
-	for os.IsNotExist(err) {
-		devLog("going up a directory to find the root")
-		os.Chdir("..")
-		_, err = os.Stat(".git")
-	}
-}
-
-// when building the binary, `version` is set as a compile-time variable, along
-// with `date` and `commit`. If this program has been opened directly via go,
-// we will populate the `version` with VERSION in the lazygit root directory
-func fallbackVersion() string {
-	path := projectPath("VERSION")
-	byteVersion, err := ioutil.ReadFile(path)
-	if err != nil {
-		return "unversioned"
-	}
-	return string(byteVersion)
-}
-
-func setupWorktree() {
-	var err error
-	r, err = git.PlainOpen(".")
-	if err != nil {
-		panic(err)
-	}
-
-	w, err = r.Worktree()
-	if err != nil {
-		panic(err)
-	}
-}
-
 func main() {
-	devLog("\n\n\n\n\n\n\n\n\n\n")
 	flag.Parse()
-	if version == "unversioned" {
-		version = fallbackVersion()
-	}
 	if *versionFlag {
-		fmt.Printf("commit=%s, build date=%s, version=%s", commit, date, version)
+		fmt.Printf("commit=%s, build date=%s, build source=%s, version=%s, os=%s, arch=%s\n", commit, date, buildSource, version, runtime.GOOS, runtime.GOARCH)
 		os.Exit(0)
 	}
-	verifyInGitRepo()
-	navigateToRepoRootDirectory()
-	setupWorktree()
-	for {
-		if err := run(); err != nil {
-			if err == gocui.ErrQuit {
-				break
-			} else if err == ErrSubprocess {
-				subprocess.Run()
-			} else {
-				log.Panicln(err)
-			}
-		}
+
+	if *configFlag {
+		fmt.Printf("%s\n", config.GetDefaultConfig())
+		os.Exit(0)
 	}
+	appConfig, err := config.NewAppConfig("lazygit", version, commit, date, buildSource, debuggingFlag)
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	app, err := app.Setup(appConfig)
+	if err != nil {
+		app.Log.Error(err.Error())
+		log.Fatal(err.Error())
+	}
+
+	app.Gui.RunWithSubprocesses()
 }

merge_panel.go

@@ -1,263 +0,0 @@
-// though this panel is called the merge panel, it's really going to use the main panel. This may change in the future
-
-package main
-
-import (
-	"bufio"
-	"bytes"
-	"io/ioutil"
-	"math"
-	"os"
-	"strings"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-func findConflicts(content string) ([]conflict, error) {
-	conflicts := make([]conflict, 0)
-	var newConflict conflict
-	for i, line := range splitLines(content) {
-		if line == "<<<<<<< HEAD" || line == "<<<<<<< MERGE_HEAD" || line == "<<<<<<< Updated upstream" {
-			newConflict = conflict{start: i}
-		} else if line == "=======" {
-			newConflict.middle = i
-		} else if strings.HasPrefix(line, ">>>>>>> ") {
-			newConflict.end = i
-			conflicts = append(conflicts, newConflict)
-		}
-	}
-	return conflicts, nil
-}
-
-func shiftConflict(conflicts []conflict) (conflict, []conflict) {
-	return conflicts[0], conflicts[1:]
-}
-
-func shouldHighlightLine(index int, conflict conflict, top bool) bool {
-	return (index >= conflict.start && index <= conflict.middle && top) || (index >= conflict.middle && index <= conflict.end && !top)
-}
-
-func coloredConflictFile(content string, conflicts []conflict, conflictIndex int, conflictTop, hasFocus bool) (string, error) {
-	if len(conflicts) == 0 {
-		return content, nil
-	}
-	conflict, remainingConflicts := shiftConflict(conflicts)
-	var outputBuffer bytes.Buffer
-	for i, line := range splitLines(content) {
-		colourAttr := color.FgWhite
-		if i == conflict.start || i == conflict.middle || i == conflict.end {
-			colourAttr = color.FgRed
-		}
-		colour := color.New(colourAttr)
-		if hasFocus && conflictIndex < len(conflicts) && conflicts[conflictIndex] == conflict && shouldHighlightLine(i, conflict, conflictTop) {
-			colour.Add(color.Bold)
-		}
-		if i == conflict.end && len(remainingConflicts) > 0 {
-			conflict, remainingConflicts = shiftConflict(remainingConflicts)
-		}
-		outputBuffer.WriteString(coloredStringDirect(line, colour) + "\n")
-	}
-	return outputBuffer.String(), nil
-}
-
-func handleSelectTop(g *gocui.Gui, v *gocui.View) error {
-	state.ConflictTop = true
-	return refreshMergePanel(g)
-}
-
-func handleSelectBottom(g *gocui.Gui, v *gocui.View) error {
-	state.ConflictTop = false
-	return refreshMergePanel(g)
-}
-
-func handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
-	if state.ConflictIndex >= len(state.Conflicts)-1 {
-		return nil
-	}
-	state.ConflictIndex++
-	return refreshMergePanel(g)
-}
-
-func handleSelectPrevConflict(g *gocui.Gui, v *gocui.View) error {
-	if state.ConflictIndex <= 0 {
-		return nil
-	}
-	state.ConflictIndex--
-	return refreshMergePanel(g)
-}
-
-func isIndexToDelete(i int, conflict conflict, pick string) bool {
-	return i == conflict.middle ||
-		i == conflict.start ||
-		i == conflict.end ||
-		pick != "both" &&
-			(pick == "bottom" && i > conflict.start && i < conflict.middle) ||
-		(pick == "top" && i > conflict.middle && i < conflict.end)
-}
-
-func resolveConflict(g *gocui.Gui, conflict conflict, pick string) error {
-	gitFile, err := getSelectedFile(g)
-	if err != nil {
-		return err
-	}
-	file, err := os.Open(gitFile.Name)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	reader := bufio.NewReader(file)
-	output := ""
-	for i := 0; true; i++ {
-		line, err := reader.ReadString('\n')
-		if err != nil {
-			break
-		}
-		if !isIndexToDelete(i, conflict, pick) {
-			output += line
-		}
-	}
-	devLog(output)
-	return ioutil.WriteFile(gitFile.Name, []byte(output), 0644)
-}
-
-func pushFileSnapshot(g *gocui.Gui) error {
-	gitFile, err := getSelectedFile(g)
-	if err != nil {
-		return err
-	}
-	content, err := catFile(gitFile.Name)
-	if err != nil {
-		return err
-	}
-	state.EditHistory.Push(content)
-	return nil
-}
-
-func handlePopFileSnapshot(g *gocui.Gui, v *gocui.View) error {
-	if state.EditHistory.Len() == 0 {
-		return nil
-	}
-	prevContent := state.EditHistory.Pop().(string)
-	gitFile, err := getSelectedFile(g)
-	if err != nil {
-		return err
-	}
-	ioutil.WriteFile(gitFile.Name, []byte(prevContent), 0644)
-	return refreshMergePanel(g)
-}
-
-func handlePickHunk(g *gocui.Gui, v *gocui.View) error {
-	conflict := state.Conflicts[state.ConflictIndex]
-	pushFileSnapshot(g)
-	pick := "bottom"
-	if state.ConflictTop {
-		pick = "top"
-	}
-	err := resolveConflict(g, conflict, pick)
-	if err != nil {
-		panic(err)
-	}
-	refreshMergePanel(g)
-	return nil
-}
-
-func handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
-	conflict := state.Conflicts[state.ConflictIndex]
-	pushFileSnapshot(g)
-	err := resolveConflict(g, conflict, "both")
-	if err != nil {
-		panic(err)
-	}
-	return refreshMergePanel(g)
-}
-
-func currentViewName(g *gocui.Gui) string {
-	currentView := g.CurrentView()
-	return currentView.Name()
-}
-
-func refreshMergePanel(g *gocui.Gui) error {
-	cat, err := catSelectedFile(g)
-	if err != nil {
-		return err
-	}
-	state.Conflicts, err = findConflicts(cat)
-	if err != nil {
-		return err
-	}
-
-	if len(state.Conflicts) == 0 {
-		return handleCompleteMerge(g)
-	} else if state.ConflictIndex > len(state.Conflicts)-1 {
-		state.ConflictIndex = len(state.Conflicts) - 1
-	}
-	hasFocus := currentViewName(g) == "main"
-	if hasFocus {
-		renderMergeOptions(g)
-	}
-	content, err := coloredConflictFile(cat, state.Conflicts, state.ConflictIndex, state.ConflictTop, hasFocus)
-	if err != nil {
-		return err
-	}
-	if err := scrollToConflict(g); err != nil {
-		return err
-	}
-	return renderString(g, "main", content)
-}
-
-func scrollToConflict(g *gocui.Gui) error {
-	mainView, err := g.View("main")
-	if err != nil {
-		return err
-	}
-	if len(state.Conflicts) == 0 {
-		return nil
-	}
-	conflict := state.Conflicts[state.ConflictIndex]
-	ox, _ := mainView.Origin()
-	_, height := mainView.Size()
-	conflictMiddle := (conflict.end + conflict.start) / 2
-	newOriginY := int(math.Max(0, float64(conflictMiddle-(height/2))))
-	return mainView.SetOrigin(ox, newOriginY)
-}
-
-func switchToMerging(g *gocui.Gui) error {
-	state.ConflictIndex = 0
-	state.ConflictTop = true
-	_, err := g.SetCurrentView("main")
-	if err != nil {
-		return err
-	}
-	return refreshMergePanel(g)
-}
-
-func renderMergeOptions(g *gocui.Gui) error {
-	return renderOptionsMap(g, map[string]string{
-		"↑ ↓":   "select hunk",
-		"← →":   "navigate conflicts",
-		"space": "pick hunk",
-		"b":     "pick both hunks",
-		"z":     "undo",
-	})
-}
-
-func handleEscapeMerge(g *gocui.Gui, v *gocui.View) error {
-	filesView, err := g.View("files")
-	if err != nil {
-		return err
-	}
-	refreshFiles(g)
-	return switchFocus(g, v, filesView)
-}
-
-func handleCompleteMerge(g *gocui.Gui) error {
-	filesView, err := g.View("files")
-	if err != nil {
-		return err
-	}
-	stageSelectedFile(g)
-	refreshFiles(g)
-	return switchFocus(g, nil, filesView)
-}

pkg/app/app.go

@@ -0,0 +1,117 @@
+package app
+
+import (
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/heroku/rollrus"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/gui"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/jesseduffield/lazygit/pkg/updates"
+	"github.com/shibukawa/configdir"
+	"github.com/sirupsen/logrus"
+)
+
+// App struct
+type App struct {
+	closers []io.Closer
+
+	Config     config.AppConfigurer
+	Log        *logrus.Entry
+	OSCommand  *commands.OSCommand
+	GitCommand *commands.GitCommand
+	Gui        *gui.Gui
+	Tr         *i18n.Localizer
+	Updater    *updates.Updater // may only need this on the Gui
+}
+
+func newProductionLogger(config config.AppConfigurer) *logrus.Logger {
+	log := logrus.New()
+	log.Out = ioutil.Discard
+	return log
+}
+
+func globalConfigDir() string {
+	configDirs := configdir.New("jesseduffield", "lazygit")
+	configDir := configDirs.QueryFolders(configdir.Global)[0]
+	return configDir.Path
+}
+
+func newDevelopmentLogger(config config.AppConfigurer) *logrus.Logger {
+	log := logrus.New()
+	file, err := os.OpenFile(filepath.Join(globalConfigDir(), "development.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	if err != nil {
+		panic("unable to log to file") // TODO: don't panic (also, remove this call to the `panic` function)
+	}
+	log.SetOutput(file)
+	return log
+}
+
+func newLogger(config config.AppConfigurer) *logrus.Entry {
+	var log *logrus.Logger
+	environment := "production"
+	if config.GetDebug() {
+		environment = "development"
+		log = newDevelopmentLogger(config)
+	} else {
+		log = newProductionLogger(config)
+	}
+
+	// highly recommended: tail -f development.log | humanlog
+	// https://github.com/aybabtme/humanlog
+	log.Formatter = &logrus.JSONFormatter{}
+
+	if config.GetUserConfig().GetString("reporting") == "on" {
+		// this isn't really a secret token: it only has permission to push new rollbar items
+		hook := rollrus.NewHook("23432119147a4367abf7c0de2aa99a2d", environment)
+		log.Hooks.Add(hook)
+	}
+	return log.WithFields(logrus.Fields{
+		"debug":     config.GetDebug(),
+		"version":   config.GetVersion(),
+		"commit":    config.GetCommit(),
+		"buildDate": config.GetBuildDate(),
+	})
+}
+
+// Setup bootstrap a new application
+func Setup(config config.AppConfigurer) (*App, error) {
+	app := &App{
+		closers: []io.Closer{},
+		Config:  config,
+	}
+	var err error
+	app.Log = newLogger(config)
+	app.OSCommand = commands.NewOSCommand(app.Log, config)
+
+	app.Tr = i18n.NewLocalizer(app.Log)
+
+	app.Updater, err = updates.NewUpdater(app.Log, config, app.OSCommand, app.Tr)
+	if err != nil {
+		return app, err
+	}
+	app.GitCommand, err = commands.NewGitCommand(app.Log, app.OSCommand, app.Tr)
+	if err != nil {
+		return app, err
+	}
+	app.Gui, err = gui.NewGui(app.Log, app.GitCommand, app.OSCommand, app.Tr, config, app.Updater)
+	if err != nil {
+		return app, err
+	}
+	return app, nil
+}
+
+// Close closes any resources
+func (app *App) Close() error {
+	for _, closer := range app.closers {
+		err := closer.Close()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

pkg/commands/branch.go

@@ -0,0 +1,48 @@
+package commands
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// Branch : A git branch
+// duplicating this for now
+type Branch struct {
+	Name      string
+	Recency   string
+	Pushables string
+	Pullables string
+	Selected  bool
+}
+
+// GetDisplayStrings returns the dispaly string of branch
+func (b *Branch) GetDisplayStrings() []string {
+	displayName := utils.ColoredString(b.Name, b.GetColor())
+	if b.Selected && b.Pushables != "" && b.Pullables != "" {
+		displayName = fmt.Sprintf("%s ↑%s↓%s", displayName, b.Pushables, b.Pullables)
+	}
+
+	return []string{b.Recency, displayName}
+}
+
+// GetColor branch color
+func (b *Branch) GetColor() color.Attribute {
+	switch b.getType() {
+	case "feature":
+		return color.FgGreen
+	case "bugfix":
+		return color.FgYellow
+	case "hotfix":
+		return color.FgRed
+	default:
+		return color.FgWhite
+	}
+}
+
+// expected to return feature/bugfix/hotfix or blank string
+func (b *Branch) getType() string {
+	return strings.Split(b.Name, "/")[0]
+}

pkg/commands/commit.go

@@ -0,0 +1,31 @@
+package commands
+
+import (
+	"github.com/fatih/color"
+)
+
+// Commit : A git commit
+type Commit struct {
+	Sha           string
+	Name          string
+	Pushed        bool
+	Merged        bool
+	DisplayString string
+}
+
+// GetDisplayStrings is a function.
+func (c *Commit) GetDisplayStrings() []string {
+	red := color.New(color.FgRed)
+	yellow := color.New(color.FgGreen)
+	green := color.New(color.FgYellow)
+	white := color.New(color.FgWhite)
+
+	shaColor := yellow
+	if c.Pushed {
+		shaColor = red
+	} else if !c.Merged {
+		shaColor = green
+	}
+
+	return []string{shaColor.Sprint(c.Sha), white.Sprint(c.Name)}
+}

pkg/commands/exec_live_default.go

@@ -0,0 +1,100 @@
+// +build !windows
+
+package commands
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"os"
+	"os/exec"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/jesseduffield/pty"
+	"github.com/mgutz/str"
+)
+
+// RunCommandWithOutputLiveWrapper runs a command and return every word that gets written in stdout
+// Output is a function that executes by every word that gets read by bufio
+// As return of output you need to give a string that will be written to stdin
+// NOTE: If the return data is empty it won't written anything to stdin
+func RunCommandWithOutputLiveWrapper(c *OSCommand, command string, output func(string) string) error {
+	splitCmd := str.ToArgv(command)
+	cmd := exec.Command(splitCmd[0], splitCmd[1:]...)
+
+	cmd.Env = os.Environ()
+	cmd.Env = append(cmd.Env, "LANG=en_US.UTF-8", "LC_ALL=en_US.UTF-8")
+
+	var stderr bytes.Buffer
+	cmd.Stderr = &stderr
+
+	ptmx, err := pty.Start(cmd)
+
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		scanner := bufio.NewScanner(ptmx)
+		scanner.Split(scanWordsWithNewLines)
+		for scanner.Scan() {
+			toOutput := strings.Trim(scanner.Text(), " ")
+			_, _ = ptmx.WriteString(output(toOutput))
+		}
+	}()
+
+	err = cmd.Wait()
+	ptmx.Close()
+	if err != nil {
+		return errors.New(stderr.String())
+	}
+
+	return nil
+}
+
+// scanWordsWithNewLines is a copy of bufio.ScanWords but this also captures new lines
+// For specific comments about this function take a look at: bufio.ScanWords
+func scanWordsWithNewLines(data []byte, atEOF bool) (advance int, token []byte, err error) {
+	start := 0
+	for width := 0; start < len(data); start += width {
+		var r rune
+		r, width = utf8.DecodeRune(data[start:])
+		if !isSpace(r) {
+			break
+		}
+	}
+	for width, i := 0, start; i < len(data); i += width {
+		var r rune
+		r, width = utf8.DecodeRune(data[i:])
+		if isSpace(r) {
+			return i + width, data[start:i], nil
+		}
+	}
+	if atEOF && len(data) > start {
+		return len(data), data[start:], nil
+	}
+	return start, nil, nil
+}
+
+// isSpace is also copied from the bufio package and has been modified to also captures new lines
+// For specific comments about this function take a look at: bufio.isSpace
+func isSpace(r rune) bool {
+	if r <= '\u00FF' {
+		switch r {
+		case ' ', '\t', '\v', '\f':
+			return true
+		case '\u0085', '\u00A0':
+			return true
+		}
+		return false
+	}
+	if '\u2000' <= r && r <= '\u200a' {
+		return true
+	}
+	switch r {
+	case '\u1680', '\u2028', '\u2029', '\u202f', '\u205f', '\u3000':
+		return true
+	}
+	return false
+}

pkg/commands/exec_live_win.go

@@ -0,0 +1,9 @@
+// +build windows
+
+package commands
+
+// RunCommandWithOutputLiveWrapper runs a command live but because of windows compatibility this command can't be ran there
+// TODO: Remove this hack and replace it with a proper way to run commands live on windows
+func RunCommandWithOutputLiveWrapper(c *OSCommand, command string, output func(string) string) error {
+	return c.RunCommand(command)
+}

pkg/commands/file.go

@@ -0,0 +1,36 @@
+package commands
+
+import "github.com/fatih/color"
+
+// File : A file from git status
+// duplicating this for now
+type File struct {
+	Name               string
+	HasStagedChanges   bool
+	HasUnstagedChanges bool
+	Tracked            bool
+	Deleted            bool
+	HasMergeConflicts  bool
+	DisplayString      string
+	Type               string // one of 'file', 'directory', and 'other'
+}
+
+// GetDisplayStrings returns the display string of a file
+func (f *File) GetDisplayStrings() []string {
+	// potentially inefficient to be instantiating these color
+	// objects with each render
+	red := color.New(color.FgRed)
+	green := color.New(color.FgGreen)
+	if !f.Tracked && !f.HasStagedChanges {
+		return []string{red.Sprint(f.DisplayString)}
+	}
+
+	output := green.Sprint(f.DisplayString[0:1])
+	output += red.Sprint(f.DisplayString[1:3])
+	if f.HasUnstagedChanges {
+		output += red.Sprint(f.Name)
+	} else {
+		output += green.Sprint(f.Name)
+	}
+	return []string{output}
+}

pkg/commands/git.go

@@ -0,0 +1,629 @@
+package commands
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+	gitconfig "github.com/tcnksm/go-gitconfig"
+	gogit "gopkg.in/src-d/go-git.v4"
+)
+
+func verifyInGitRepo(runCmd func(string) error) error {
+	return runCmd("git status")
+}
+
+func navigateToRepoRootDirectory(stat func(string) (os.FileInfo, error), chdir func(string) error) error {
+	for {
+		f, err := stat(".git")
+
+		if err == nil && f.IsDir() {
+			return nil
+		}
+
+		if !os.IsNotExist(err) {
+			return err
+		}
+
+		if err = chdir(".."); err != nil {
+			return err
+		}
+	}
+}
+
+func setupRepositoryAndWorktree(openGitRepository func(string) (*gogit.Repository, error), sLocalize func(string) string) (repository *gogit.Repository, worktree *gogit.Worktree, err error) {
+	repository, err = openGitRepository(".")
+
+	if err != nil {
+		if strings.Contains(err.Error(), `unquoted '\' must be followed by new line`) {
+			return nil, nil, errors.New(sLocalize("GitconfigParseErr"))
+		}
+
+		return
+	}
+
+	worktree, err = repository.Worktree()
+
+	if err != nil {
+		return
+	}
+
+	return
+}
+
+// GitCommand is our main git interface
+type GitCommand struct {
+	Log                *logrus.Entry
+	OSCommand          *OSCommand
+	Worktree           *gogit.Worktree
+	Repo               *gogit.Repository
+	Tr                 *i18n.Localizer
+	getGlobalGitConfig func(string) (string, error)
+	getLocalGitConfig  func(string) (string, error)
+	removeFile         func(string) error
+}
+
+// NewGitCommand it runs git commands
+func NewGitCommand(log *logrus.Entry, osCommand *OSCommand, tr *i18n.Localizer) (*GitCommand, error) {
+	var worktree *gogit.Worktree
+	var repo *gogit.Repository
+
+	fs := []func() error{
+		func() error {
+			return verifyInGitRepo(osCommand.RunCommand)
+		},
+		func() error {
+			return navigateToRepoRootDirectory(os.Stat, os.Chdir)
+		},
+		func() error {
+			var err error
+			repo, worktree, err = setupRepositoryAndWorktree(gogit.PlainOpen, tr.SLocalize)
+			return err
+		},
+	}
+
+	for _, f := range fs {
+		if err := f(); err != nil {
+			return nil, err
+		}
+	}
+
+	return &GitCommand{
+		Log:                log,
+		OSCommand:          osCommand,
+		Tr:                 tr,
+		Worktree:           worktree,
+		Repo:               repo,
+		getGlobalGitConfig: gitconfig.Global,
+		getLocalGitConfig:  gitconfig.Local,
+		removeFile:         os.RemoveAll,
+	}, nil
+}
+
+// GetStashEntries stash entryies
+func (c *GitCommand) GetStashEntries() []*StashEntry {
+	rawString, _ := c.OSCommand.RunCommandWithOutput("git stash list --pretty='%gs'")
+	stashEntries := []*StashEntry{}
+	for i, line := range utils.SplitLines(rawString) {
+		stashEntries = append(stashEntries, stashEntryFromLine(line, i))
+	}
+	return stashEntries
+}
+
+func stashEntryFromLine(line string, index int) *StashEntry {
+	return &StashEntry{
+		Name:          line,
+		Index:         index,
+		DisplayString: line,
+	}
+}
+
+// GetStashEntryDiff stash diff
+func (c *GitCommand) GetStashEntryDiff(index int) (string, error) {
+	return c.OSCommand.RunCommandWithOutput("git stash show -p --color stash@{" + fmt.Sprint(index) + "}")
+}
+
+// GetStatusFiles git status files
+func (c *GitCommand) GetStatusFiles() []*File {
+	statusOutput, _ := c.GitStatus()
+	statusStrings := utils.SplitLines(statusOutput)
+	files := []*File{}
+
+	for _, statusString := range statusStrings {
+		change := statusString[0:2]
+		stagedChange := change[0:1]
+		unstagedChange := statusString[1:2]
+		filename := c.OSCommand.Unquote(statusString[3:])
+		_, untracked := map[string]bool{"??": true, "A ": true, "AM": true}[change]
+		_, hasNoStagedChanges := map[string]bool{" ": true, "U": true, "?": true}[stagedChange]
+
+		file := &File{
+			Name:               filename,
+			DisplayString:      statusString,
+			HasStagedChanges:   !hasNoStagedChanges,
+			HasUnstagedChanges: unstagedChange != " ",
+			Tracked:            !untracked,
+			Deleted:            unstagedChange == "D" || stagedChange == "D",
+			HasMergeConflicts:  change == "UU",
+			Type:               c.OSCommand.FileType(filename),
+		}
+		files = append(files, file)
+	}
+	return files
+}
+
+// StashDo modify stash
+func (c *GitCommand) StashDo(index int, method string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git stash %s stash@{%d}", method, index))
+}
+
+// StashSave save stash
+// TODO: before calling this, check if there is anything to save
+func (c *GitCommand) StashSave(message string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git stash save %s", c.OSCommand.Quote(message)))
+}
+
+// MergeStatusFiles merge status files
+func (c *GitCommand) MergeStatusFiles(oldFiles, newFiles []*File) []*File {
+	if len(oldFiles) == 0 {
+		return newFiles
+	}
+
+	appendedIndexes := []int{}
+
+	// retain position of files we already could see
+	result := []*File{}
+	for _, oldFile := range oldFiles {
+		for newIndex, newFile := range newFiles {
+			if oldFile.Name == newFile.Name {
+				result = append(result, newFile)
+				appendedIndexes = append(appendedIndexes, newIndex)
+				break
+			}
+		}
+	}
+
+	// append any new files to the end
+	for index, newFile := range newFiles {
+		if !includesInt(appendedIndexes, index) {
+			result = append(result, newFile)
+		}
+	}
+
+	return result
+}
+
+func includesInt(list []int, a int) bool {
+	for _, b := range list {
+		if b == a {
+			return true
+		}
+	}
+	return false
+}
+
+// ResetAndClean removes all unstaged changes and removes all untracked files
+func (c *GitCommand) ResetAndClean() error {
+	if err := c.OSCommand.RunCommand("git reset --hard HEAD"); err != nil {
+		return err
+	}
+
+	return c.OSCommand.RunCommand("git clean -fd")
+}
+
+func (c *GitCommand) GetCurrentBranchUpstreamDifferenceCount() (string, string) {
+	return c.GetCommitDifferences("HEAD", "@{u}")
+}
+
+func (c *GitCommand) GetBranchUpstreamDifferenceCount(branchName string) (string, string) {
+	upstream := "origin" // hardcoded for now
+	return c.GetCommitDifferences(branchName, fmt.Sprintf("%s/%s", upstream, branchName))
+}
+
+// GetCommitDifferences checks how many pushables/pullables there are for the
+// current branch
+func (c *GitCommand) GetCommitDifferences(from, to string) (string, string) {
+	command := "git rev-list %s..%s --count"
+	pushableCount, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf(command, to, from))
+	if err != nil {
+		return "?", "?"
+	}
+	pullableCount, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf(command, from, to))
+	if err != nil {
+		return "?", "?"
+	}
+	return strings.TrimSpace(pushableCount), strings.TrimSpace(pullableCount)
+}
+
+// GetCommitsToPush Returns the sha's of the commits that have not yet been pushed
+// to the remote branch of the current branch, a map is returned to ease look up
+func (c *GitCommand) GetCommitsToPush() map[string]bool {
+	pushables := map[string]bool{}
+	o, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..HEAD --abbrev-commit")
+	if err != nil {
+		return pushables
+	}
+	for _, p := range utils.SplitLines(o) {
+		pushables[p] = true
+	}
+
+	return pushables
+}
+
+// RenameCommit renames the topmost commit with the given name
+func (c *GitCommand) RenameCommit(name string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git commit --allow-empty --amend -m %s", c.OSCommand.Quote(name)))
+}
+
+// Fetch fetch git repo
+func (c *GitCommand) Fetch(unamePassQuestion func(string) string, canAskForCredentials bool) error {
+	return c.OSCommand.DetectUnamePass("git fetch", func(question string) string {
+		if canAskForCredentials {
+			return unamePassQuestion(question)
+		}
+		return "\n"
+	})
+}
+
+// ResetToCommit reset to commit
+func (c *GitCommand) ResetToCommit(sha string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git reset %s", sha))
+}
+
+// NewBranch create new branch
+func (c *GitCommand) NewBranch(name string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git checkout -b %s", name))
+}
+
+// CurrentBranchName is a function.
+func (c *GitCommand) CurrentBranchName() (string, error) {
+	branchName, err := c.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
+	if err != nil {
+		branchName, err = c.OSCommand.RunCommandWithOutput("git rev-parse --short HEAD")
+		if err != nil {
+			return "", err
+		}
+	}
+	return utils.TrimTrailingNewline(branchName), nil
+}
+
+// DeleteBranch delete branch
+func (c *GitCommand) DeleteBranch(branch string, force bool) error {
+	command := "git branch -d"
+
+	if force {
+		command = "git branch -D"
+	}
+
+	return c.OSCommand.RunCommand(fmt.Sprintf("%s %s", command, branch))
+}
+
+// ListStash list stash
+func (c *GitCommand) ListStash() (string, error) {
+	return c.OSCommand.RunCommandWithOutput("git stash list")
+}
+
+// Merge merge
+func (c *GitCommand) Merge(branchName string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git merge --no-edit %s", branchName))
+}
+
+// AbortMerge abort merge
+func (c *GitCommand) AbortMerge() error {
+	return c.OSCommand.RunCommand("git merge --abort")
+}
+
+// usingGpg tells us whether the user has gpg enabled so that we can know
+// whether we need to run a subprocess to allow them to enter their password
+func (c *GitCommand) usingGpg() bool {
+	gpgsign, _ := c.getLocalGitConfig("commit.gpgsign")
+	if gpgsign == "" {
+		gpgsign, _ = c.getGlobalGitConfig("commit.gpgsign")
+	}
+	value := strings.ToLower(gpgsign)
+
+	return value == "true" || value == "1" || value == "yes" || value == "on"
+}
+
+// Commit commits to git
+func (c *GitCommand) Commit(message string, amend bool) (*exec.Cmd, error) {
+	amendParam := ""
+	if amend {
+		amendParam = " --amend"
+	}
+	command := fmt.Sprintf("git commit%s -m %s", amendParam, c.OSCommand.Quote(message))
+	if c.usingGpg() {
+		return c.OSCommand.PrepareSubProcess(c.OSCommand.Platform.shell, c.OSCommand.Platform.shellArg, command), nil
+	}
+
+	return nil, c.OSCommand.RunCommand(command)
+}
+
+// Pull pulls from repo
+func (c *GitCommand) Pull(ask func(string) string) error {
+	return c.OSCommand.DetectUnamePass("git pull --no-edit", ask)
+}
+
+// Push pushes to a branch
+func (c *GitCommand) Push(branchName string, force bool, ask func(string) string) error {
+	forceFlag := ""
+	if force {
+		forceFlag = "--force-with-lease "
+	}
+
+	cmd := fmt.Sprintf("git push %s -u origin %s", forceFlag, branchName)
+	return c.OSCommand.DetectUnamePass(cmd, ask)
+}
+
+// SquashPreviousTwoCommits squashes a commit down to the one below it
+// retaining the message of the higher commit
+func (c *GitCommand) SquashPreviousTwoCommits(message string) error {
+	// TODO: test this
+	if err := c.OSCommand.RunCommand("git reset --soft HEAD^"); err != nil {
+		return err
+	}
+	// TODO: if password is required, we need to return a subprocess
+	return c.OSCommand.RunCommand(fmt.Sprintf("git commit --amend -m %s", c.OSCommand.Quote(message)))
+}
+
+// SquashFixupCommit squashes a 'FIXUP' commit into the commit beneath it,
+// retaining the commit message of the lower commit
+func (c *GitCommand) SquashFixupCommit(branchName string, shaValue string) error {
+	commands := []string{
+		fmt.Sprintf("git checkout -q %s", shaValue),
+		fmt.Sprintf("git reset --soft %s^", shaValue),
+		fmt.Sprintf("git commit --amend -C %s^", shaValue),
+		fmt.Sprintf("git rebase --onto HEAD %s %s", shaValue, branchName),
+	}
+	for _, command := range commands {
+		c.Log.Info(command)
+
+		if output, err := c.OSCommand.RunCommandWithOutput(command); err != nil {
+			ret := output
+			// We are already in an error state here so we're just going to append
+			// the output of these commands
+			output, _ := c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git branch -d %s", shaValue))
+			ret += output
+			output, _ = c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git checkout %s", branchName))
+			ret += output
+
+			c.Log.Info(ret)
+			return errors.New(ret)
+		}
+	}
+
+	return nil
+}
+
+// CatFile obtains the content of a file
+func (c *GitCommand) CatFile(fileName string) (string, error) {
+	return c.OSCommand.RunCommandWithOutput(fmt.Sprintf("cat %s", c.OSCommand.Quote(fileName)))
+}
+
+// StageFile stages a file
+func (c *GitCommand) StageFile(fileName string) error {
+	return c.OSCommand.RunCommand(fmt.Sprintf("git add %s", c.OSCommand.Quote(fileName)))
+}
+
+// StageAll stages all files
+func (c *GitCommand) StageAll() error {
+	return c.OSCommand.RunCommand("git add -A")
+}
+
+// UnstageAll stages all files
+func (c *GitCommand) UnstageAll() error {
+	return c.OSCommand.RunCommand("git reset")
+}
+
+// UnStageFile unstages a file
+func (c *GitCommand) UnStageFile(fileName string, tracked bool) error {
+	command := "git rm --cached %s"
+	if tracked {
+		command = "git reset HEAD %s"
+	}
+	return c.OSCommand.RunCommand(fmt.Sprintf(command, c.OSCommand.Quote(fileName)))
+}
+
+// GitStatus returns the plaintext short status of the repo
+func (c *GitCommand) GitStatus() (string, error) {
+	return c.OSCommand.RunCommandWithOutput("git status --untracked-files=all --short")
+}
+
+// IsInMergeState states whether we are still mid-merge
+func (c *GitCommand) IsInMergeState() (bool, error) {
+	output, err := c.OSCommand.RunCommandWithOutput("git status --untracked-files=all")
+	if err != nil {
+		return false, err
+	}
+	return strings.Contains(output, "conclude merge") || strings.Contains(output, "unmerged paths"), nil
+}
+
+// RemoveFile directly
+func (c *GitCommand) RemoveFile(file *File) error {
+	// if the file isn't tracked, we assume you want to delete it
+	if file.HasStagedChanges {
+		if err := c.OSCommand.RunCommand(fmt.Sprintf("git reset -- %s", file.Name)); err != nil {
+			return err
+		}
+	}
+	if !file.Tracked {
+		return c.removeFile(file.Name)
+	}
+	// if the file is tracked, we assume you want to just check it out
+	return c.OSCommand.RunCommand(fmt.Sprintf("git checkout -- %s", file.Name))
+}
+
+// Checkout checks out a branch, with --force if you set the force arg to true
+func (c *GitCommand) Checkout(branch string, force bool) error {
+	forceArg := ""
+	if force {
+		forceArg = "--force "
+	}
+	return c.OSCommand.RunCommand(fmt.Sprintf("git checkout %s %s", forceArg, branch))
+}
+
+// AddPatch prepares a subprocess for adding a patch by patch
+// this will eventually be swapped out for a better solution inside the Gui
+func (c *GitCommand) AddPatch(filename string) *exec.Cmd {
+	return c.OSCommand.PrepareSubProcess("git", "add", "--patch", filename)
+}
+
+// PrepareCommitSubProcess prepares a subprocess for `git commit`
+func (c *GitCommand) PrepareCommitSubProcess() *exec.Cmd {
+	return c.OSCommand.PrepareSubProcess("git", "commit")
+}
+
+// PrepareCommitAmendSubProcess prepares a subprocess for `git commit --amend --allow-empty`
+func (c *GitCommand) PrepareCommitAmendSubProcess() *exec.Cmd {
+	return c.OSCommand.PrepareSubProcess("git", "commit", "--amend", "--allow-empty")
+}
+
+// GetBranchGraph gets the color-formatted graph of the log for the given branch
+// Currently it limits the result to 100 commits, but when we get async stuff
+// working we can do lazy loading
+func (c *GitCommand) GetBranchGraph(branchName string) (string, error) {
+	return c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git log --graph --color --abbrev-commit --decorate --date=relative --pretty=medium -100 %s", branchName))
+}
+
+func (c *GitCommand) getMergeBase() (string, error) {
+	currentBranch, err := c.CurrentBranchName()
+	if err != nil {
+		return "", err
+	}
+
+	baseBranch := "master"
+	if strings.HasPrefix(currentBranch, "feature/") {
+		baseBranch = "develop"
+	}
+
+	output, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git merge-base HEAD %s", baseBranch))
+	if err != nil {
+		// swallowing error because it's not a big deal; probably because there are no commits yet
+	}
+	return output, nil
+}
+
+// GetCommits obtains the commits of the current branch
+func (c *GitCommand) GetCommits() ([]*Commit, error) {
+	pushables := c.GetCommitsToPush()
+	log := c.GetLog()
+
+	lines := utils.SplitLines(log)
+	commits := make([]*Commit, len(lines))
+	// now we can split it up and turn it into commits
+	for i, line := range lines {
+		splitLine := strings.Split(line, " ")
+		sha := splitLine[0]
+		_, pushed := pushables[sha]
+		commits[i] = &Commit{
+			Sha:           sha,
+			Name:          strings.Join(splitLine[1:], " "),
+			Pushed:        pushed,
+			DisplayString: strings.Join(splitLine, " "),
+		}
+	}
+	return c.setCommitMergedStatuses(commits)
+}
+
+func (c *GitCommand) setCommitMergedStatuses(commits []*Commit) ([]*Commit, error) {
+	ancestor, err := c.getMergeBase()
+	if err != nil {
+		return nil, err
+	}
+	if ancestor == "" {
+		return commits, nil
+	}
+	passedAncestor := false
+	for i, commit := range commits {
+		if strings.HasPrefix(ancestor, commit.Sha) {
+			passedAncestor = true
+		}
+		commits[i].Merged = passedAncestor
+	}
+	return commits, nil
+}
+
+// GetLog gets the git log (currently limited to 30 commits for performance
+// until we work out lazy loading
+func (c *GitCommand) GetLog() string {
+	// currently limiting to 30 for performance reasons
+	// TODO: add lazyloading when you scroll down
+	result, err := c.OSCommand.RunCommandWithOutput("git log --oneline -30")
+	if err != nil {
+		// assume if there is an error there are no commits yet for this branch
+		return ""
+	}
+
+	return result
+}
+
+// Ignore adds a file to the gitignore for the repo
+func (c *GitCommand) Ignore(filename string) error {
+	return c.OSCommand.AppendLineToFile(".gitignore", filename)
+}
+
+// Show shows the diff of a commit
+func (c *GitCommand) Show(sha string) (string, error) {
+	return c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git show --color %s", sha))
+}
+
+// GetRemoteURL returns current repo remote url
+func (c *GitCommand) GetRemoteURL() string {
+	url, _ := c.OSCommand.RunCommandWithOutput("git config --get remote.origin.url")
+	return utils.TrimTrailingNewline(url)
+}
+
+// CheckRemoteBranchExists Returns remote branch
+func (c *GitCommand) CheckRemoteBranchExists(branch *Branch) bool {
+	_, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf(
+		"git show-ref --verify -- refs/remotes/origin/%s",
+		branch.Name,
+	))
+
+	return err == nil
+}
+
+// Diff returns the diff of a file
+func (c *GitCommand) Diff(file *File, plain bool) string {
+	cachedArg := ""
+	trackedArg := "--"
+	colorArg := "--color"
+	fileName := c.OSCommand.Quote(file.Name)
+	if file.HasStagedChanges && !file.HasUnstagedChanges {
+		cachedArg = "--cached"
+	}
+	if !file.Tracked && !file.HasStagedChanges {
+		trackedArg = "--no-index /dev/null"
+	}
+	if plain {
+		colorArg = ""
+	}
+
+	command := fmt.Sprintf("git diff %s %s %s %s", colorArg, cachedArg, trackedArg, fileName)
+
+	// for now we assume an error means the file was deleted
+	s, _ := c.OSCommand.RunCommandWithOutput(command)
+	return s
+}
+
+func (c *GitCommand) ApplyPatch(patch string) (string, error) {
+	filename, err := c.OSCommand.CreateTempFile("patch", patch)
+	if err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	defer func() { _ = c.OSCommand.RemoveFile(filename) }()
+
+	return c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git apply --cached %s", filename))
+}
+
+func (c *GitCommand) FastForward(branchName string) error {
+	upstream := "origin" // hardcoding for now
+	return c.OSCommand.RunCommand(fmt.Sprintf("git fetch %s %s:%s", upstream, branchName, branchName))
+}

pkg/commands/git_structs.go

@@ -0,0 +1,9 @@
+package commands
+
+// Conflict : A git conflict with a start middle and end corresponding to line
+// numbers in the file where the conflict bars appear
+type Conflict struct {
+	Start  int
+	Middle int
+	End    int
+}

pkg/commands/os.go

@@ -0,0 +1,235 @@
+package commands
+
+import (
+	"errors"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"regexp"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/mgutz/str"
+	"github.com/sirupsen/logrus"
+	gitconfig "github.com/tcnksm/go-gitconfig"
+)
+
+// Platform stores the os state
+type Platform struct {
+	os                   string
+	shell                string
+	shellArg             string
+	escapedQuote         string
+	openCommand          string
+	openLinkCommand      string
+	fallbackEscapedQuote string
+}
+
+// OSCommand holds all the os commands
+type OSCommand struct {
+	Log                *logrus.Entry
+	Platform           *Platform
+	Config             config.AppConfigurer
+	command            func(string, ...string) *exec.Cmd
+	getGlobalGitConfig func(string) (string, error)
+	getenv             func(string) string
+}
+
+// NewOSCommand os command runner
+func NewOSCommand(log *logrus.Entry, config config.AppConfigurer) *OSCommand {
+	return &OSCommand{
+		Log:                log,
+		Platform:           getPlatform(),
+		Config:             config,
+		command:            exec.Command,
+		getGlobalGitConfig: gitconfig.Global,
+		getenv:             os.Getenv,
+	}
+}
+
+// RunCommandWithOutput wrapper around commands returning their output and error
+func (c *OSCommand) RunCommandWithOutput(command string) (string, error) {
+	c.Log.WithField("command", command).Info("RunCommand")
+	splitCmd := str.ToArgv(command)
+	c.Log.Info(splitCmd)
+	return sanitisedCommandOutput(
+		c.command(splitCmd[0], splitCmd[1:]...).CombinedOutput(),
+	)
+}
+
+// RunCommandWithOutputLive runs RunCommandWithOutputLiveWrapper
+func (c *OSCommand) RunCommandWithOutputLive(command string, output func(string) string) error {
+	return RunCommandWithOutputLiveWrapper(c, command, output)
+}
+
+// DetectUnamePass detect a username / password question in a command
+// ask is a function that gets executen when this function detect you need to fillin a password
+// The ask argument will be "username" or "password" and expects the user's password or username back
+func (c *OSCommand) DetectUnamePass(command string, ask func(string) string) error {
+	ttyText := ""
+	errMessage := c.RunCommandWithOutputLive(command, func(word string) string {
+		ttyText = ttyText + " " + word
+
+		prompts := map[string]string{
+			"password": `Password\s*for\s*'.+':`,
+			"username": `Username\s*for\s*'.+':`,
+		}
+
+		for askFor, pattern := range prompts {
+			if match, _ := regexp.MatchString(pattern, ttyText); match {
+				ttyText = ""
+				return ask(askFor)
+			}
+		}
+
+		return ""
+	})
+	return errMessage
+}
+
+// RunCommand runs a command and just returns the error
+func (c *OSCommand) RunCommand(command string) error {
+	_, err := c.RunCommandWithOutput(command)
+	return err
+}
+
+// FileType tells us if the file is a file, directory or other
+func (c *OSCommand) FileType(path string) string {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		return "other"
+	}
+	if fileInfo.IsDir() {
+		return "directory"
+	}
+	return "file"
+}
+
+// RunDirectCommand wrapper around direct commands
+func (c *OSCommand) RunDirectCommand(command string) (string, error) {
+	c.Log.WithField("command", command).Info("RunDirectCommand")
+
+	return sanitisedCommandOutput(
+		c.command(c.Platform.shell, c.Platform.shellArg, command).
+			CombinedOutput(),
+	)
+}
+
+func sanitisedCommandOutput(output []byte, err error) (string, error) {
+	outputString := string(output)
+	if err != nil {
+		// errors like 'exit status 1' are not very useful so we'll create an error
+		// from the combined output
+		if outputString == "" {
+			return "", err
+		}
+		return outputString, errors.New(outputString)
+	}
+	return outputString, nil
+}
+
+// OpenFile opens a file with the given
+func (c *OSCommand) OpenFile(filename string) error {
+	commandTemplate := c.Config.GetUserConfig().GetString("os.openCommand")
+	templateValues := map[string]string{
+		"filename": c.Quote(filename),
+	}
+
+	command := utils.ResolvePlaceholderString(commandTemplate, templateValues)
+	err := c.RunCommand(command)
+	return err
+}
+
+// OpenLink opens a file with the given
+func (c *OSCommand) OpenLink(link string) error {
+	commandTemplate := c.Config.GetUserConfig().GetString("os.openLinkCommand")
+	templateValues := map[string]string{
+		"link": c.Quote(link),
+	}
+
+	command := utils.ResolvePlaceholderString(commandTemplate, templateValues)
+	err := c.RunCommand(command)
+	return err
+}
+
+// EditFile opens a file in a subprocess using whatever editor is available,
+// falling back to core.editor, VISUAL, EDITOR, then vi
+func (c *OSCommand) EditFile(filename string) (*exec.Cmd, error) {
+	editor, _ := c.getGlobalGitConfig("core.editor")
+
+	if editor == "" {
+		editor = c.getenv("VISUAL")
+	}
+	if editor == "" {
+		editor = c.getenv("EDITOR")
+	}
+	if editor == "" {
+		if err := c.RunCommand("which vi"); err == nil {
+			editor = "vi"
+		}
+	}
+	if editor == "" {
+		return nil, errors.New("No editor defined in $VISUAL, $EDITOR, or git config")
+	}
+
+	return c.PrepareSubProcess(editor, filename), nil
+}
+
+// PrepareSubProcess iniPrepareSubProcessrocess then tells the Gui to switch to it
+func (c *OSCommand) PrepareSubProcess(cmdName string, commandArgs ...string) *exec.Cmd {
+	return c.command(cmdName, commandArgs...)
+}
+
+// Quote wraps a message in platform-specific quotation marks
+func (c *OSCommand) Quote(message string) string {
+	message = strings.Replace(message, "`", "\\`", -1)
+	escapedQuote := c.Platform.escapedQuote
+	if strings.Contains(message, c.Platform.escapedQuote) {
+		escapedQuote = c.Platform.fallbackEscapedQuote
+	}
+	return escapedQuote + message + escapedQuote
+}
+
+// Unquote removes wrapping quotations marks if they are present
+// this is needed for removing quotes from staged filenames with spaces
+func (c *OSCommand) Unquote(message string) string {
+	return strings.Replace(message, `"`, "", -1)
+}
+
+// AppendLineToFile adds a new line in file
+func (c *OSCommand) AppendLineToFile(filename, line string) error {
+	f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	_, err = f.WriteString("\n" + line)
+	return err
+}
+
+// CreateTempFile writes a string to a new temp file and returns the file's name
+func (c *OSCommand) CreateTempFile(filename, content string) (string, error) {
+	tmpfile, err := ioutil.TempFile("", filename)
+	if err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	if _, err := tmpfile.WriteString(content); err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+	if err := tmpfile.Close(); err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	return tmpfile.Name(), nil
+}
+
+// RemoveFile removes a file at the specified path
+func (c *OSCommand) RemoveFile(filename string) error {
+	return os.Remove(filename)
+}

pkg/commands/os_default_platform.go

@@ -0,0 +1,19 @@
+// +build !windows
+
+package commands
+
+import (
+	"runtime"
+)
+
+func getPlatform() *Platform {
+	return &Platform{
+		os:                   runtime.GOOS,
+		shell:                "bash",
+		shellArg:             "-c",
+		escapedQuote:         "'",
+		openCommand:          "open {{filename}}",
+		openLinkCommand:      "open {{link}}",
+		fallbackEscapedQuote: "\"",
+	}
+}

pkg/commands/os_test.go

@@ -0,0 +1,398 @@
+package commands
+
+import (
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"testing"
+
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/assert"
+	yaml "gopkg.in/yaml.v2"
+)
+
+func newDummyOSCommand() *OSCommand {
+	return NewOSCommand(newDummyLog(), newDummyAppConfig())
+}
+
+func newDummyAppConfig() *config.AppConfig {
+	appConfig := &config.AppConfig{
+		Name:        "lazygit",
+		Version:     "unversioned",
+		Commit:      "",
+		BuildDate:   "",
+		Debug:       false,
+		BuildSource: "",
+		UserConfig:  viper.New(),
+	}
+	_ = yaml.Unmarshal([]byte{}, appConfig.AppState)
+	return appConfig
+}
+
+// TestOSCommandRunCommandWithOutput is a function.
+func TestOSCommandRunCommandWithOutput(t *testing.T) {
+	type scenario struct {
+		command string
+		test    func(string, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"echo -n '123'",
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.EqualValues(t, "123", output)
+			},
+		},
+		{
+			"rmdir unexisting-folder",
+			func(output string, err error) {
+				assert.Regexp(t, "rmdir.*unexisting-folder.*", err.Error())
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(newDummyOSCommand().RunCommandWithOutput(s.command))
+	}
+}
+
+// TestOSCommandRunCommand is a function.
+func TestOSCommandRunCommand(t *testing.T) {
+	type scenario struct {
+		command string
+		test    func(error)
+	}
+
+	scenarios := []scenario{
+		{
+			"rmdir unexisting-folder",
+			func(err error) {
+				assert.Regexp(t, "rmdir.*unexisting-folder.*", err.Error())
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(newDummyOSCommand().RunCommand(s.command))
+	}
+}
+
+// TestOSCommandOpenFile is a function.
+func TestOSCommandOpenFile(t *testing.T) {
+	type scenario struct {
+		filename string
+		command  func(string, ...string) *exec.Cmd
+		test     func(error)
+	}
+
+	scenarios := []scenario{
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				return exec.Command("exit", "1")
+			},
+			func(err error) {
+				assert.Error(t, err)
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "open", name)
+				assert.Equal(t, []string{"test"}, arg)
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"filename with spaces",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "open", name)
+				assert.Equal(t, []string{"filename with spaces"}, arg)
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		OSCmd := newDummyOSCommand()
+		OSCmd.command = s.command
+		OSCmd.Config.GetUserConfig().Set("os.openCommand", "open {{filename}}")
+
+		s.test(OSCmd.OpenFile(s.filename))
+	}
+}
+
+// TestOSCommandEditFile is a function.
+func TestOSCommandEditFile(t *testing.T) {
+	type scenario struct {
+		filename           string
+		command            func(string, ...string) *exec.Cmd
+		getenv             func(string) string
+		getGlobalGitConfig func(string) (string, error)
+		test               func(*exec.Cmd, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				return exec.Command("exit", "1")
+			},
+			func(env string) string {
+				return ""
+			},
+			func(cf string) (string, error) {
+				return "", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.EqualError(t, err, "No editor defined in $VISUAL, $EDITOR, or git config")
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				if name == "which" {
+					return exec.Command("exit", "1")
+				}
+
+				assert.EqualValues(t, "nano", name)
+
+				return nil
+			},
+			func(env string) string {
+				return ""
+			},
+			func(cf string) (string, error) {
+				return "nano", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				if name == "which" {
+					return exec.Command("exit", "1")
+				}
+
+				assert.EqualValues(t, "nano", name)
+
+				return nil
+			},
+			func(env string) string {
+				if env == "VISUAL" {
+					return "nano"
+				}
+
+				return ""
+			},
+			func(cf string) (string, error) {
+				return "", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				if name == "which" {
+					return exec.Command("exit", "1")
+				}
+
+				assert.EqualValues(t, "emacs", name)
+
+				return nil
+			},
+			func(env string) string {
+				if env == "EDITOR" {
+					return "emacs"
+				}
+
+				return ""
+			},
+			func(cf string) (string, error) {
+				return "", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				if name == "which" {
+					return exec.Command("echo")
+				}
+
+				assert.EqualValues(t, "vi", name)
+
+				return nil
+			},
+			func(env string) string {
+				return ""
+			},
+			func(cf string) (string, error) {
+				return "", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.NoError(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		OSCmd := newDummyOSCommand()
+		OSCmd.command = s.command
+		OSCmd.getGlobalGitConfig = s.getGlobalGitConfig
+		OSCmd.getenv = s.getenv
+
+		s.test(OSCmd.EditFile(s.filename))
+	}
+}
+
+// TestOSCommandQuote is a function.
+func TestOSCommandQuote(t *testing.T) {
+	osCommand := newDummyOSCommand()
+
+	actual := osCommand.Quote("hello `test`")
+
+	expected := osCommand.Platform.escapedQuote + "hello \\`test\\`" + osCommand.Platform.escapedQuote
+
+	assert.EqualValues(t, expected, actual)
+}
+
+// TestOSCommandQuoteSingleQuote tests the quote function with ' quotes explicitly for Linux
+func TestOSCommandQuoteSingleQuote(t *testing.T) {
+	osCommand := newDummyOSCommand()
+
+	osCommand.Platform.os = "linux"
+
+	actual := osCommand.Quote("hello 'test'")
+
+	expected := osCommand.Platform.fallbackEscapedQuote + "hello 'test'" + osCommand.Platform.fallbackEscapedQuote
+
+	assert.EqualValues(t, expected, actual)
+}
+
+// TestOSCommandQuoteDoubleQuote tests the quote function with " quotes explicitly for Linux
+func TestOSCommandQuoteDoubleQuote(t *testing.T) {
+	osCommand := newDummyOSCommand()
+
+	osCommand.Platform.os = "linux"
+
+	actual := osCommand.Quote(`hello "test"`)
+
+	expected := osCommand.Platform.escapedQuote + "hello \"test\"" + osCommand.Platform.escapedQuote
+
+	assert.EqualValues(t, expected, actual)
+}
+
+// TestOSCommandUnquote is a function.
+func TestOSCommandUnquote(t *testing.T) {
+	osCommand := newDummyOSCommand()
+
+	actual := osCommand.Unquote(`hello "test"`)
+
+	expected := "hello test"
+
+	assert.EqualValues(t, expected, actual)
+}
+
+// TestOSCommandFileType is a function.
+func TestOSCommandFileType(t *testing.T) {
+	type scenario struct {
+		path  string
+		setup func()
+		test  func(string)
+	}
+
+	scenarios := []scenario{
+		{
+			"testFile",
+			func() {
+				if _, err := os.Create("testFile"); err != nil {
+					panic(err)
+				}
+			},
+			func(output string) {
+				assert.EqualValues(t, "file", output)
+			},
+		},
+		{
+			"file with spaces",
+			func() {
+				if _, err := os.Create("file with spaces"); err != nil {
+					panic(err)
+				}
+			},
+			func(output string) {
+				assert.EqualValues(t, "file", output)
+			},
+		},
+		{
+			"testDirectory",
+			func() {
+				if err := os.Mkdir("testDirectory", 0644); err != nil {
+					panic(err)
+				}
+			},
+			func(output string) {
+				assert.EqualValues(t, "directory", output)
+			},
+		},
+		{
+			"nonExistant",
+			func() {},
+			func(output string) {
+				assert.EqualValues(t, "other", output)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.setup()
+		s.test(newDummyOSCommand().FileType(s.path))
+		_ = os.RemoveAll(s.path)
+	}
+}
+
+func TestOSCommandCreateTempFile(t *testing.T) {
+	type scenario struct {
+		testName string
+		filename string
+		content  string
+		test     func(string, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"valid case",
+			"filename",
+			"content",
+			func(path string, err error) {
+				assert.NoError(t, err)
+
+				content, err := ioutil.ReadFile(path)
+				assert.NoError(t, err)
+
+				assert.Equal(t, "content", string(content))
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			s.test(newDummyOSCommand().CreateTempFile(s.filename, s.content))
+		})
+	}
+}

pkg/commands/os_windows.go

@@ -0,0 +1,11 @@
+package commands
+
+func getPlatform() *Platform {
+	return &Platform{
+		os:                   "windows",
+		shell:                "cmd",
+		shellArg:             "/c",
+		escapedQuote:         `\"`,
+		fallbackEscapedQuote: "\\'",
+	}
+}

pkg/commands/pull_request.go

@@ -0,0 +1,105 @@
+package commands
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+)
+
+// Service is a service that repository is on (Github, Bitbucket, ...)
+type Service struct {
+	Name           string
+	PullRequestURL string
+}
+
+// PullRequest opens a link in browser to create new pull request
+// with selected branch
+type PullRequest struct {
+	GitServices []*Service
+	GitCommand  *GitCommand
+}
+
+// RepoInformation holds some basic information about the repo
+type RepoInformation struct {
+	Owner      string
+	Repository string
+}
+
+func getServices() []*Service {
+	return []*Service{
+		{
+			Name:           "github.com",
+			PullRequestURL: "https://github.com/%s/%s/compare/%s?expand=1",
+		},
+		{
+			Name:           "bitbucket.org",
+			PullRequestURL: "https://bitbucket.org/%s/%s/pull-requests/new?t=%s",
+		},
+		{
+			Name:           "gitlab.com",
+			PullRequestURL: "https://gitlab.com/%s/%s/merge_requests/new?merge_request[source_branch]=%s",
+		},
+	}
+}
+
+// NewPullRequest creates new instance of PullRequest
+func NewPullRequest(gitCommand *GitCommand) *PullRequest {
+	return &PullRequest{
+		GitServices: getServices(),
+		GitCommand:  gitCommand,
+	}
+}
+
+// Create opens link to new pull request in browser
+func (pr *PullRequest) Create(branch *Branch) error {
+	branchExistsOnRemote := pr.GitCommand.CheckRemoteBranchExists(branch)
+
+	if !branchExistsOnRemote {
+		return errors.New(pr.GitCommand.Tr.SLocalize("NoBranchOnRemote"))
+	}
+
+	repoURL := pr.GitCommand.GetRemoteURL()
+	var gitService *Service
+
+	for _, service := range pr.GitServices {
+		if strings.Contains(repoURL, service.Name) {
+			gitService = service
+			break
+		}
+	}
+
+	if gitService == nil {
+		return errors.New(pr.GitCommand.Tr.SLocalize("UnsupportedGitService"))
+	}
+
+	repoInfo := getRepoInfoFromURL(repoURL)
+
+	return pr.GitCommand.OSCommand.OpenLink(fmt.Sprintf(
+		gitService.PullRequestURL, repoInfo.Owner, repoInfo.Repository, branch.Name,
+	))
+}
+
+func getRepoInfoFromURL(url string) *RepoInformation {
+	isHTTP := strings.HasPrefix(url, "http")
+
+	if isHTTP {
+		splits := strings.Split(url, "/")
+		owner := splits[len(splits)-2]
+		repo := strings.TrimSuffix(splits[len(splits)-1], ".git")
+
+		return &RepoInformation{
+			Owner:      owner,
+			Repository: repo,
+		}
+	}
+
+	tmpSplit := strings.Split(url, ":")
+	splits := strings.Split(tmpSplit[1], "/")
+	owner := splits[0]
+	repo := strings.TrimSuffix(splits[1], ".git")
+
+	return &RepoInformation{
+		Owner:      owner,
+		Repository: repo,
+	}
+}

pkg/commands/pull_request_test.go

@@ -0,0 +1,154 @@
+package commands
+
+import (
+	"os/exec"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestGetRepoInfoFromURL is a function.
+func TestGetRepoInfoFromURL(t *testing.T) {
+	type scenario struct {
+		testName string
+		repoURL  string
+		test     func(*RepoInformation)
+	}
+
+	scenarios := []scenario{
+		{
+			"Returns repository information for git remote url",
+			"git@github.com:petersmith/super_calculator",
+			func(repoInfo *RepoInformation) {
+				assert.EqualValues(t, repoInfo.Owner, "petersmith")
+				assert.EqualValues(t, repoInfo.Repository, "super_calculator")
+			},
+		},
+		{
+			"Returns repository information for http remote url",
+			"https://my_username@bitbucket.org/johndoe/social_network.git",
+			func(repoInfo *RepoInformation) {
+				assert.EqualValues(t, repoInfo.Owner, "johndoe")
+				assert.EqualValues(t, repoInfo.Repository, "social_network")
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			s.test(getRepoInfoFromURL(s.repoURL))
+		})
+	}
+}
+
+// TestCreatePullRequest is a function.
+func TestCreatePullRequest(t *testing.T) {
+	type scenario struct {
+		testName string
+		branch   *Branch
+		command  func(string, ...string) *exec.Cmd
+		test     func(err error)
+	}
+
+	scenarios := []scenario{
+		{
+			"Opens a link to new pull request on bitbucket",
+			&Branch{
+				Name: "feature/profile-page",
+			},
+			func(cmd string, args ...string) *exec.Cmd {
+				// Handle git remote url call
+				if strings.HasPrefix(cmd, "git") {
+					return exec.Command("echo", "git@bitbucket.org:johndoe/social_network.git")
+				}
+
+				assert.Equal(t, cmd, "open")
+				assert.Equal(t, args, []string{"https://bitbucket.org/johndoe/social_network/pull-requests/new?t=feature/profile-page"})
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"Opens a link to new pull request on bitbucket with http remote url",
+			&Branch{
+				Name: "feature/events",
+			},
+			func(cmd string, args ...string) *exec.Cmd {
+				// Handle git remote url call
+				if strings.HasPrefix(cmd, "git") {
+					return exec.Command("echo", "https://my_username@bitbucket.org/johndoe/social_network.git")
+				}
+
+				assert.Equal(t, cmd, "open")
+				assert.Equal(t, args, []string{"https://bitbucket.org/johndoe/social_network/pull-requests/new?t=feature/events"})
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"Opens a link to new pull request on github",
+			&Branch{
+				Name: "feature/sum-operation",
+			},
+			func(cmd string, args ...string) *exec.Cmd {
+				// Handle git remote url call
+				if strings.HasPrefix(cmd, "git") {
+					return exec.Command("echo", "git@github.com:peter/calculator.git")
+				}
+
+				assert.Equal(t, cmd, "open")
+				assert.Equal(t, args, []string{"https://github.com/peter/calculator/compare/feature/sum-operation?expand=1"})
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"Opens a link to new pull request on gitlab",
+			&Branch{
+				Name: "feature/ui",
+			},
+			func(cmd string, args ...string) *exec.Cmd {
+				// Handle git remote url call
+				if strings.HasPrefix(cmd, "git") {
+					return exec.Command("echo", "git@gitlab.com:peter/calculator.git")
+				}
+
+				assert.Equal(t, cmd, "open")
+				assert.Equal(t, args, []string{"https://gitlab.com/peter/calculator/merge_requests/new?merge_request[source_branch]=feature/ui"})
+				return exec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"Throws an error if git service is unsupported",
+			&Branch{
+				Name: "feature/divide-operation",
+			},
+			func(cmd string, args ...string) *exec.Cmd {
+				return exec.Command("echo", "git@something.com:peter/calculator.git")
+			},
+			func(err error) {
+				assert.Error(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			gitCommand := newDummyGitCommand()
+			gitCommand.OSCommand.command = s.command
+			gitCommand.OSCommand.Config.GetUserConfig().Set("os.openLinkCommand", "open {{link}}")
+			dummyPullRequest := NewPullRequest(gitCommand)
+			s.test(dummyPullRequest.Create(s.branch))
+		})
+	}
+}

pkg/commands/stash_entry.go

@@ -0,0 +1,13 @@
+package commands
+
+// StashEntry : A git stash entry
+type StashEntry struct {
+	Index         int
+	Name          string
+	DisplayString string
+}
+
+// GetDisplayStrings returns the dispaly string of branch
+func (s *StashEntry) GetDisplayStrings() []string {
+	return []string{s.DisplayString}
+}

pkg/config/app_config.go

@@ -0,0 +1,271 @@
+package config
+
+import (
+	"bytes"
+	"io/ioutil"
+	"path/filepath"
+
+	"github.com/shibukawa/configdir"
+	"github.com/spf13/viper"
+	yaml "gopkg.in/yaml.v2"
+)
+
+// AppConfig contains the base configuration fields required for lazygit.
+type AppConfig struct {
+	Debug       bool   `long:"debug" env:"DEBUG" default:"false"`
+	Version     string `long:"version" env:"VERSION" default:"unversioned"`
+	Commit      string `long:"commit" env:"COMMIT"`
+	BuildDate   string `long:"build-date" env:"BUILD_DATE"`
+	Name        string `long:"name" env:"NAME" default:"lazygit"`
+	BuildSource string `long:"build-source" env:"BUILD_SOURCE" default:""`
+	UserConfig  *viper.Viper
+	AppState    *AppState
+	IsNewRepo   bool
+}
+
+// AppConfigurer interface allows individual app config structs to inherit Fields
+// from AppConfig and still be used by lazygit.
+type AppConfigurer interface {
+	GetDebug() bool
+	GetVersion() string
+	GetCommit() string
+	GetBuildDate() string
+	GetName() string
+	GetBuildSource() string
+	GetUserConfig() *viper.Viper
+	GetAppState() *AppState
+	WriteToUserConfig(string, string) error
+	SaveAppState() error
+	LoadAppState() error
+	SetIsNewRepo(bool)
+	GetIsNewRepo() bool
+}
+
+// NewAppConfig makes a new app config
+func NewAppConfig(name, version, commit, date string, buildSource string, debuggingFlag *bool) (*AppConfig, error) {
+	userConfig, err := LoadConfig("config", true)
+	if err != nil {
+		return nil, err
+	}
+
+	appConfig := &AppConfig{
+		Name:        "lazygit",
+		Version:     version,
+		Commit:      commit,
+		BuildDate:   date,
+		Debug:       *debuggingFlag,
+		BuildSource: buildSource,
+		UserConfig:  userConfig,
+		AppState:    &AppState{},
+		IsNewRepo:   false,
+	}
+
+	if err := appConfig.LoadAppState(); err != nil {
+		return nil, err
+	}
+
+	return appConfig, nil
+}
+
+// GetIsNewRepo returns known repo boolean
+func (c *AppConfig) GetIsNewRepo() bool {
+	return c.IsNewRepo
+}
+
+// SetIsNewRepo set if the current repo is known
+func (c *AppConfig) SetIsNewRepo(toSet bool) {
+	c.IsNewRepo = toSet
+}
+
+// GetDebug returns debug flag
+func (c *AppConfig) GetDebug() bool {
+	return c.Debug
+}
+
+// GetVersion returns debug flag
+func (c *AppConfig) GetVersion() string {
+	return c.Version
+}
+
+// GetCommit returns debug flag
+func (c *AppConfig) GetCommit() string {
+	return c.Commit
+}
+
+// GetBuildDate returns debug flag
+func (c *AppConfig) GetBuildDate() string {
+	return c.BuildDate
+}
+
+// GetName returns debug flag
+func (c *AppConfig) GetName() string {
+	return c.Name
+}
+
+// GetBuildSource returns the source of the build. For builds from goreleaser
+// this will be binaryBuild
+func (c *AppConfig) GetBuildSource() string {
+	return c.BuildSource
+}
+
+// GetUserConfig returns the user config
+func (c *AppConfig) GetUserConfig() *viper.Viper {
+	return c.UserConfig
+}
+
+// GetAppState returns the app state
+func (c *AppConfig) GetAppState() *AppState {
+	return c.AppState
+}
+
+func newViper(filename string) (*viper.Viper, error) {
+	v := viper.New()
+	v.SetConfigType("yaml")
+	v.SetConfigName(filename)
+	return v, nil
+}
+
+// LoadConfig gets the user's config
+func LoadConfig(filename string, withDefaults bool) (*viper.Viper, error) {
+	v, err := newViper(filename)
+	if err != nil {
+		return nil, err
+	}
+	if withDefaults {
+		if err = LoadDefaults(v, GetDefaultConfig()); err != nil {
+			return nil, err
+		}
+		if err = LoadDefaults(v, GetPlatformDefaultConfig()); err != nil {
+			return nil, err
+		}
+	}
+	if err = LoadAndMergeFile(v, filename+".yml"); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// LoadDefaults loads in the defaults defined in this file
+func LoadDefaults(v *viper.Viper, defaults []byte) error {
+	return v.MergeConfig(bytes.NewBuffer(defaults))
+}
+
+func prepareConfigFile(filename string) (string, error) {
+	// chucking my name there is not for vanity purposes, the xdg spec (and that
+	// function) requires a vendor name. May as well line up with github
+	configDirs := configdir.New("jesseduffield", "lazygit")
+	folder := configDirs.QueryFolderContainsFile(filename)
+	if folder == nil {
+		// create the file as empty
+		folders := configDirs.QueryFolders(configdir.Global)
+		if err := folders[0].WriteFile(filename, []byte{}); err != nil {
+			return "", err
+		}
+		folder = configDirs.QueryFolderContainsFile(filename)
+	}
+	return filepath.Join(folder.Path, filename), nil
+}
+
+// LoadAndMergeFile Loads the config/state file, creating
+// the file has an empty one if it does not exist
+func LoadAndMergeFile(v *viper.Viper, filename string) error {
+	configPath, err := prepareConfigFile(filename)
+	if err != nil {
+		return err
+	}
+
+	v.AddConfigPath(filepath.Dir(configPath))
+	return v.MergeInConfig()
+}
+
+// WriteToUserConfig adds a key/value pair to the user's config and saves it
+func (c *AppConfig) WriteToUserConfig(key, value string) error {
+	// reloading the user config directly (without defaults) so that we're not
+	// writing any defaults back to the user's config
+	v, err := LoadConfig("config", false)
+	if err != nil {
+		return err
+	}
+
+	v.Set(key, value)
+	return v.WriteConfig()
+}
+
+// SaveAppState marhsalls the AppState struct and writes it to the disk
+func (c *AppConfig) SaveAppState() error {
+	marshalledAppState, err := yaml.Marshal(c.AppState)
+	if err != nil {
+		return err
+	}
+
+	filepath, err := prepareConfigFile("state.yml")
+	if err != nil {
+		return err
+	}
+
+	return ioutil.WriteFile(filepath, marshalledAppState, 0644)
+}
+
+// LoadAppState loads recorded AppState from file
+func (c *AppConfig) LoadAppState() error {
+	filepath, err := prepareConfigFile("state.yml")
+	if err != nil {
+		return err
+	}
+	appStateBytes, err := ioutil.ReadFile(filepath)
+	if err != nil {
+		return err
+	}
+	if len(appStateBytes) == 0 {
+		return yaml.Unmarshal(getDefaultAppState(), c.AppState)
+	}
+	return yaml.Unmarshal(appStateBytes, c.AppState)
+}
+
+// GetDefaultConfig returns the application default configuration
+func GetDefaultConfig() []byte {
+	return []byte(
+		`gui:
+  ## stuff relating to the UI
+  scrollHeight: 2
+  scrollPastBottom: true
+  theme:
+    activeBorderColor:
+      - white
+      - bold
+    inactiveBorderColor:
+      - white
+    optionsTextColor:
+      - blue
+  commitLength:
+    show: true
+update:
+  method: prompt # can be: prompt | background | never
+  days: 14 # how often a update is checked for
+reporting: 'undetermined' # one of: 'on' | 'off' | 'undetermined'
+confirmOnQuit: false
+`)
+}
+
+// AppState stores data between runs of the app like when the last update check
+// was performed and which other repos have been checked out
+type AppState struct {
+	LastUpdateCheck int64
+	RecentRepos     []string
+}
+
+func getDefaultAppState() []byte {
+	return []byte(`
+    lastUpdateCheck: 0
+    recentRepos: []
+  `)
+}
+
+// // commenting this out until we use it again
+// func homeDirectory() string {
+// 	usr, err := user.Current()
+// 	if err != nil {
+// 		log.Fatal(err)
+// 	}
+// 	return usr.HomeDir
+// }

pkg/config/config_default_platform.go

@@ -0,0 +1,11 @@
+// +build !windows,!linux
+
+package config
+
+// GetPlatformDefaultConfig gets the defaults for the platform
+func GetPlatformDefaultConfig() []byte {
+	return []byte(
+		`os:
+  openCommand: 'open {{filename}}'
+  openLinkCommand: 'open {{link}}'`)
+}

pkg/config/config_linux.go

@@ -0,0 +1,9 @@
+package config
+
+// GetPlatformDefaultConfig gets the defaults for the platform
+func GetPlatformDefaultConfig() []byte {
+	return []byte(
+		`os:
+  openCommand: 'sh -c "xdg-open {{filename}} >/dev/null"'
+  openLinkCommand: 'sh -c "xdg-open {{link}} >/dev/null"'`)
+}

pkg/config/config_windows.go

@@ -0,0 +1,9 @@
+package config
+
+// GetPlatformDefaultConfig gets the defaults for the platform
+func GetPlatformDefaultConfig() []byte {
+	return []byte(
+		`os:
+  openCommand: 'cmd /c "start "" {{filename}}"'
+  openLinkCommand: 'cmd /c "start "" {{link}}"'`)
+}

pkg/git/branch_list_builder.go

@@ -1,9 +1,14 @@
-package main
+package git
 
 import (
 	"regexp"
 	"strings"
 
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+
+	"github.com/sirupsen/logrus"
+
 	"gopkg.in/src-d/go-git.v4/plumbing"
 )
 
@@ -15,53 +20,63 @@ import (
 // our safe branches, then add the remaining safe branches, ensuring uniqueness
 // along the way
 
-type branchListBuilder struct{}
-
-func newBranchListBuilder() *branchListBuilder {
-	return &branchListBuilder{}
+// BranchListBuilder returns a list of Branch objects for the current repo
+type BranchListBuilder struct {
+	Log        *logrus.Entry
+	GitCommand *commands.GitCommand
 }
 
-func (b *branchListBuilder) obtainCurrentBranch() Branch {
-	// I used go-git for this, but that breaks if you've just done a git init,
-	// even though you're on 'master'
-	branchName, _ := runDirectCommand("git symbolic-ref --short HEAD")
-	return Branch{Name: strings.TrimSpace(branchName), Recency: "  *"}
+// NewBranchListBuilder builds a new branch list builder
+func NewBranchListBuilder(log *logrus.Entry, gitCommand *commands.GitCommand) (*BranchListBuilder, error) {
+	return &BranchListBuilder{
+		Log:        log,
+		GitCommand: gitCommand,
+	}, nil
 }
 
-func (*branchListBuilder) obtainReflogBranches() []Branch {
-	branches := make([]Branch, 0)
-	rawString, err := runDirectCommand("git reflog -n100 --pretty='%cr|%gs' --grep-reflog='checkout: moving' HEAD")
+func (b *BranchListBuilder) obtainCurrentBranch() *commands.Branch {
+	branchName, err := b.GitCommand.CurrentBranchName()
+	if err != nil {
+		panic(err.Error())
+	}
+
+	return &commands.Branch{Name: strings.TrimSpace(branchName)}
+}
+
+func (b *BranchListBuilder) obtainReflogBranches() []*commands.Branch {
+	branches := make([]*commands.Branch, 0)
+	rawString, err := b.GitCommand.OSCommand.RunCommandWithOutput("git reflog -n100 --pretty='%cr|%gs' --grep-reflog='checkout: moving' HEAD")
 	if err != nil {
 		return branches
 	}
 
-	branchLines := splitLines(rawString)
+	branchLines := utils.SplitLines(rawString)
 	for _, line := range branchLines {
 		timeNumber, timeUnit, branchName := branchInfoFromLine(line)
 		timeUnit = abbreviatedTimeUnit(timeUnit)
-		branch := Branch{Name: branchName, Recency: timeNumber + timeUnit}
+		branch := &commands.Branch{Name: branchName, Recency: timeNumber + timeUnit}
 		branches = append(branches, branch)
 	}
-	return branches
+	return uniqueByName(branches)
 }
 
-func (b *branchListBuilder) obtainSafeBranches() []Branch {
-	branches := make([]Branch, 0)
+func (b *BranchListBuilder) obtainSafeBranches() []*commands.Branch {
+	branches := make([]*commands.Branch, 0)
 
-	bIter, err := r.Branches()
+	bIter, err := b.GitCommand.Repo.Branches()
 	if err != nil {
 		panic(err)
 	}
 	err = bIter.ForEach(func(b *plumbing.Reference) error {
 		name := b.Name().Short()
-		branches = append(branches, Branch{Name: name})
+		branches = append(branches, &commands.Branch{Name: name})
 		return nil
 	})
 
 	return branches
 }
 
-func (b *branchListBuilder) appendNewBranches(finalBranches, newBranches, existingBranches []Branch, included bool) []Branch {
+func (b *BranchListBuilder) appendNewBranches(finalBranches, newBranches, existingBranches []*commands.Branch, included bool) []*commands.Branch {
 	for _, newBranch := range newBranches {
 		if included == branchIncluded(newBranch.Name, existingBranches) {
 			finalBranches = append(finalBranches, newBranch)
@@ -70,7 +85,7 @@ func (b *branchListBuilder) appendNewBranches(finalBranches, newBranches, existi
 	return finalBranches
 }
 
-func sanitisedReflogName(reflogBranch Branch, safeBranches []Branch) string {
+func sanitisedReflogName(reflogBranch *commands.Branch, safeBranches []*commands.Branch) string {
 	for _, safeBranch := range safeBranches {
 		if strings.ToLower(safeBranch.Name) == strings.ToLower(reflogBranch.Name) {
 			return safeBranch.Name
@@ -79,15 +94,13 @@ func sanitisedReflogName(reflogBranch Branch, safeBranches []Branch) string {
 	return reflogBranch.Name
 }
 
-func (b *branchListBuilder) build() []Branch {
-	branches := make([]Branch, 0)
+// Build the list of branches for the current repo
+func (b *BranchListBuilder) Build() []*commands.Branch {
+	branches := make([]*commands.Branch, 0)
 	head := b.obtainCurrentBranch()
 	safeBranches := b.obtainSafeBranches()
-	if len(safeBranches) == 0 {
-		return append(branches, head)
-	}
+
 	reflogBranches := b.obtainReflogBranches()
-	reflogBranches = uniqueByName(append([]Branch{head}, reflogBranches...))
 	for i, reflogBranch := range reflogBranches {
 		reflogBranches[i].Name = sanitisedReflogName(reflogBranch, safeBranches)
 	}
@@ -95,11 +108,26 @@ func (b *branchListBuilder) build() []Branch {
 	branches = b.appendNewBranches(branches, reflogBranches, safeBranches, true)
 	branches = b.appendNewBranches(branches, safeBranches, branches, false)
 
+	if len(branches) == 0 || branches[0].Name != head.Name {
+		branches = append([]*commands.Branch{head}, branches...)
+	}
+
+	branches[0].Recency = "  *"
+
 	return branches
 }
 
-func uniqueByName(branches []Branch) []Branch {
-	finalBranches := make([]Branch, 0)
+func branchIncluded(branchName string, branches []*commands.Branch) bool {
+	for _, existingBranch := range branches {
+		if strings.ToLower(existingBranch.Name) == strings.ToLower(branchName) {
+			return true
+		}
+	}
+	return false
+}
+
+func uniqueByName(branches []*commands.Branch) []*commands.Branch {
+	finalBranches := make([]*commands.Branch, 0)
 	for _, branch := range branches {
 		if branchIncluded(branch.Name, finalBranches) {
 			continue
@@ -115,7 +143,7 @@ func branchInfoFromLine(line string) (string, string, string) {
 	r := regexp.MustCompile("\\|.*\\s")
 	line = r.ReplaceAllString(line, " ")
 	words := strings.Split(line, " ")
-	return words[0], words[1], words[3]
+	return words[0], words[1], words[len(words)-1]
 }
 
 func abbreviatedTimeUnit(timeUnit string) string {

pkg/git/patch_modifier.go

@@ -0,0 +1,156 @@
+package git
+
+import (
+	"errors"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+type PatchModifier struct {
+	Log *logrus.Entry
+	Tr  *i18n.Localizer
+}
+
+// NewPatchModifier builds a new branch list builder
+func NewPatchModifier(log *logrus.Entry) (*PatchModifier, error) {
+	return &PatchModifier{
+		Log: log,
+	}, nil
+}
+
+// ModifyPatchForHunk takes the original patch, which may contain several hunks,
+// and removes any hunks that aren't the selected hunk
+func (p *PatchModifier) ModifyPatchForHunk(patch string, hunkStarts []int, currentLine int) (string, error) {
+	// get hunk start and end
+	lines := strings.Split(patch, "\n")
+	hunkStartIndex := utils.PrevIndex(hunkStarts, currentLine)
+	hunkStart := hunkStarts[hunkStartIndex]
+	nextHunkStartIndex := utils.NextIndex(hunkStarts, currentLine)
+	var hunkEnd int
+	if nextHunkStartIndex == 0 {
+		hunkEnd = len(lines) - 1
+	} else {
+		hunkEnd = hunkStarts[nextHunkStartIndex]
+	}
+
+	headerLength, err := p.getHeaderLength(lines)
+	if err != nil {
+		return "", err
+	}
+
+	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+	output += strings.Join(lines[hunkStart:hunkEnd], "\n") + "\n"
+
+	return output, nil
+}
+
+func (p *PatchModifier) getHeaderLength(patchLines []string) (int, error) {
+	for index, line := range patchLines {
+		if strings.HasPrefix(line, "@@") {
+			return index, nil
+		}
+	}
+	return 0, errors.New(p.Tr.SLocalize("CantFindHunks"))
+}
+
+// ModifyPatchForLine takes the original patch, which may contain several hunks,
+// and the line number of the line we want to stage
+func (p *PatchModifier) ModifyPatchForLine(patch string, lineNumber int) (string, error) {
+	lines := strings.Split(patch, "\n")
+	headerLength, err := p.getHeaderLength(lines)
+	if err != nil {
+		return "", err
+	}
+	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+
+	hunkStart, err := p.getHunkStart(lines, lineNumber)
+	if err != nil {
+		return "", err
+	}
+
+	hunk, err := p.getModifiedHunk(lines, hunkStart, lineNumber)
+	if err != nil {
+		return "", err
+	}
+
+	output += strings.Join(hunk, "\n")
+
+	return output, nil
+}
+
+// getHunkStart returns the line number of the hunk we're going to be modifying
+// in order to stage our line
+func (p *PatchModifier) getHunkStart(patchLines []string, lineNumber int) (int, error) {
+	// find the hunk that we're modifying
+	hunkStart := 0
+	for index, line := range patchLines {
+		if strings.HasPrefix(line, "@@") {
+			hunkStart = index
+		}
+		if index == lineNumber {
+			return hunkStart, nil
+		}
+	}
+
+	return 0, errors.New(p.Tr.SLocalize("CantFindHunk"))
+}
+
+func (p *PatchModifier) getModifiedHunk(patchLines []string, hunkStart int, lineNumber int) ([]string, error) {
+	lineChanges := 0
+	// strip the hunk down to just the line we want to stage
+	newHunk := []string{patchLines[hunkStart]}
+	for offsetIndex, line := range patchLines[hunkStart+1:] {
+		index := offsetIndex + hunkStart + 1
+		if strings.HasPrefix(line, "@@") {
+			newHunk = append(newHunk, "\n")
+			break
+		}
+		if index != lineNumber {
+			// we include other removals but treat them like context
+			if strings.HasPrefix(line, "-") {
+				newHunk = append(newHunk, " "+line[1:])
+				lineChanges += 1
+				continue
+			}
+			// we don't include other additions
+			if strings.HasPrefix(line, "+") {
+				lineChanges -= 1
+				continue
+			}
+		}
+		newHunk = append(newHunk, line)
+	}
+
+	var err error
+	newHunk[0], err = p.updatedHeader(newHunk[0], lineChanges)
+	if err != nil {
+		return nil, err
+	}
+
+	return newHunk, nil
+}
+
+// updatedHeader returns the hunk header with the updated line range
+// we need to update the hunk length to reflect the changes we made
+// if the hunk has three additions but we're only staging one, then
+// @@ -14,8 +14,11 @@ import (
+// becomes
+// @@ -14,8 +14,9 @@ import (
+func (p *PatchModifier) updatedHeader(currentHeader string, lineChanges int) (string, error) {
+	// current counter is the number after the second comma
+	re := regexp.MustCompile(`(\d+) @@`)
+	prevLengthString := re.FindStringSubmatch(currentHeader)[1]
+
+	prevLength, err := strconv.Atoi(prevLengthString)
+	if err != nil {
+		return "", err
+	}
+	re = regexp.MustCompile(`\d+ @@`)
+	newLength := strconv.Itoa(prevLength + lineChanges)
+	return re.ReplaceAllString(currentHeader, newLength+" @@"), nil
+}

pkg/git/patch_modifier_test.go

@@ -0,0 +1,89 @@
+package git
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+)
+
+func newDummyLog() *logrus.Entry {
+	log := logrus.New()
+	log.Out = ioutil.Discard
+	return log.WithField("test", "test")
+}
+
+func newDummyPatchModifier() *PatchModifier {
+	return &PatchModifier{
+		Log: newDummyLog(),
+	}
+}
+func TestModifyPatchForLine(t *testing.T) {
+	type scenario struct {
+		testName              string
+		patchFilename         string
+		lineNumber            int
+		shouldError           bool
+		expectedPatchFilename string
+	}
+
+	scenarios := []scenario{
+		{
+			"Removing one line",
+			"testdata/testPatchBefore.diff",
+			8,
+			false,
+			"testdata/testPatchAfter1.diff",
+		},
+		{
+			"Adding one line",
+			"testdata/testPatchBefore.diff",
+			10,
+			false,
+			"testdata/testPatchAfter2.diff",
+		},
+		{
+			"Adding one line in top hunk in diff with multiple hunks",
+			"testdata/testPatchBefore2.diff",
+			20,
+			false,
+			"testdata/testPatchAfter3.diff",
+		},
+		{
+			"Adding one line in top hunk in diff with multiple hunks",
+			"testdata/testPatchBefore2.diff",
+			53,
+			false,
+			"testdata/testPatchAfter4.diff",
+		},
+		{
+			"adding unstaged file with a single line",
+			"testdata/addedFile.diff",
+			6,
+			false,
+			"testdata/addedFile.diff",
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			p := newDummyPatchModifier()
+			beforePatch, err := ioutil.ReadFile(s.patchFilename)
+			if err != nil {
+				panic("Cannot open file at " + s.patchFilename)
+			}
+			afterPatch, err := p.ModifyPatchForLine(string(beforePatch), s.lineNumber)
+			if s.shouldError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				expected, err := ioutil.ReadFile(s.expectedPatchFilename)
+				if err != nil {
+					panic("Cannot open file at " + s.expectedPatchFilename)
+				}
+				assert.Equal(t, string(expected), afterPatch)
+			}
+		})
+	}
+}

pkg/git/patch_parser.go

@@ -0,0 +1,36 @@
+package git
+
+import (
+	"strings"
+
+	"github.com/sirupsen/logrus"
+)
+
+type PatchParser struct {
+	Log *logrus.Entry
+}
+
+// NewPatchParser builds a new branch list builder
+func NewPatchParser(log *logrus.Entry) (*PatchParser, error) {
+	return &PatchParser{
+		Log: log,
+	}, nil
+}
+
+func (p *PatchParser) ParsePatch(patch string) ([]int, []int, error) {
+	lines := strings.Split(patch, "\n")
+	hunkStarts := []int{}
+	stageableLines := []int{}
+	pastHeader := false
+	for index, line := range lines {
+		if strings.HasPrefix(line, "@@") {
+			pastHeader = true
+			hunkStarts = append(hunkStarts, index)
+		}
+		if pastHeader && (strings.HasPrefix(line, "-") || strings.HasPrefix(line, "+")) {
+			stageableLines = append(stageableLines, index)
+		}
+	}
+	p.Log.WithField("staging", "staging").Info(stageableLines)
+	return hunkStarts, stageableLines, nil
+}

pkg/git/patch_parser_test.go

@@ -0,0 +1,65 @@
+package git
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func newDummyPatchParser() *PatchParser {
+	return &PatchParser{
+		Log: newDummyLog(),
+	}
+}
+func TestParsePatch(t *testing.T) {
+	type scenario struct {
+		testName               string
+		patchFilename          string
+		shouldError            bool
+		expectedStageableLines []int
+		expectedHunkStarts     []int
+	}
+
+	scenarios := []scenario{
+		{
+			"Diff with one hunk",
+			"testdata/testPatchBefore.diff",
+			false,
+			[]int{8, 9, 10, 11},
+			[]int{4},
+		},
+		{
+			"Diff with two hunks",
+			"testdata/testPatchBefore2.diff",
+			false,
+			[]int{8, 9, 10, 11, 12, 13, 20, 21, 22, 23, 24, 25, 26, 27, 28, 33, 34, 35, 36, 37, 45, 46, 47, 48, 49, 50, 51, 52, 53},
+			[]int{4, 41},
+		},
+		{
+			"Unstaged file",
+			"testdata/addedFile.diff",
+			false,
+			[]int{6},
+			[]int{5},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			p := newDummyPatchParser()
+			beforePatch, err := ioutil.ReadFile(s.patchFilename)
+			if err != nil {
+				panic("Cannot open file at " + s.patchFilename)
+			}
+			hunkStarts, stageableLines, err := p.ParsePatch(string(beforePatch))
+			if s.shouldError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, s.expectedStageableLines, stageableLines)
+				assert.Equal(t, s.expectedHunkStarts, hunkStarts)
+			}
+		})
+	}
+}

pkg/git/testdata/addedFile.diff

@@ -0,0 +1,7 @@
+diff --git a/blah b/blah
+new file mode 100644
+index 0000000..907b308
+--- /dev/null
++++ b/blah
+@@ -0,0 +1 @@
++blah

pkg/git/testdata/testPatchAfter1.diff

@@ -0,0 +1,13 @@
+diff --git a/pkg/git/branch_list_builder.go b/pkg/git/branch_list_builder.go
+index 60ec4e0..db4485d 100644
+--- a/pkg/git/branch_list_builder.go
++++ b/pkg/git/branch_list_builder.go
+@@ -14,8 +14,7 @@ import (
+ 
+ // context:
+ // we want to only show 'safe' branches (ones that haven't e.g. been deleted)
+-// which `git branch -a` gives us, but we also want the recency data that
+ // git reflog gives us.
+ // So we get the HEAD, then append get the reflog branches that intersect with
+ // our safe branches, then add the remaining safe branches, ensuring uniqueness
+ // along the way

pkg/git/testdata/testPatchAfter2.diff

@@ -0,0 +1,14 @@
+diff --git a/pkg/git/branch_list_builder.go b/pkg/git/branch_list_builder.go
+index 60ec4e0..db4485d 100644
+--- a/pkg/git/branch_list_builder.go
++++ b/pkg/git/branch_list_builder.go
+@@ -14,8 +14,9 @@ import (
+ 
+ // context:
+ // we want to only show 'safe' branches (ones that haven't e.g. been deleted)
+ // which `git branch -a` gives us, but we also want the recency data that
+ // git reflog gives us.
++// test 2 - if I remove this, I decrement the end counter
+ // So we get the HEAD, then append get the reflog branches that intersect with
+ // our safe branches, then add the remaining safe branches, ensuring uniqueness
+ // along the way

pkg/git/testdata/testPatchAfter3.diff

@@ -0,0 +1,25 @@
+diff --git a/pkg/git/patch_modifier.go b/pkg/git/patch_modifier.go
+index a8fc600..6d8f7d7 100644
+--- a/pkg/git/patch_modifier.go
++++ b/pkg/git/patch_modifier.go
+@@ -36,18 +36,19 @@ func (p *PatchModifier) ModifyPatchForHunk(patch string, hunkStarts []int, curre
+ 		hunkEnd = hunkStarts[nextHunkStartIndex]
+ 	}
+ 
+ 	headerLength := 4
+ 	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+ 	output += strings.Join(lines[hunkStart:hunkEnd], "\n") + "\n"
+ 
+ 	return output, nil
+ }
+ 
++func getHeaderLength(patchLines []string) (int, error) {
+ // ModifyPatchForLine takes the original patch, which may contain several hunks,
+ // and the line number of the line we want to stage
+ func (p *PatchModifier) ModifyPatchForLine(patch string, lineNumber int) (string, error) {
+ 	lines := strings.Split(patch, "\n")
+ 	headerLength := 4
+ 	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+ 
+ 	hunkStart, err := p.getHunkStart(lines, lineNumber)
+

pkg/git/testdata/testPatchAfter4.diff

@@ -0,0 +1,19 @@
+diff --git a/pkg/git/patch_modifier.go b/pkg/git/patch_modifier.go
+index a8fc600..6d8f7d7 100644
+--- a/pkg/git/patch_modifier.go
++++ b/pkg/git/patch_modifier.go
+@@ -124,13 +140,14 @@ func (p *PatchModifier) getModifiedHunk(patchLines []string, hunkStart int, line
+ // @@ -14,8 +14,9 @@ import (
+ func (p *PatchModifier) updatedHeader(currentHeader string, lineChanges int) (string, error) {
+ 	// current counter is the number after the second comma
+ 	re := regexp.MustCompile(`^[^,]+,[^,]+,(\d+)`)
+ 	matches := re.FindStringSubmatch(currentHeader)
+ 	if len(matches) < 2 {
+ 		re = regexp.MustCompile(`^[^,]+,[^+]+\+(\d+)`)
+ 		matches = re.FindStringSubmatch(currentHeader)
+ 	}
+ 	prevLengthString := matches[1]
++	prevLengthString := re.FindStringSubmatch(currentHeader)[1]
+ 
+ 	prevLength, err := strconv.Atoi(prevLengthString)
+ 	if err != nil {

pkg/git/testdata/testPatchBefore.diff

@@ -0,0 +1,15 @@
+diff --git a/pkg/git/branch_list_builder.go b/pkg/git/branch_list_builder.go
+index 60ec4e0..db4485d 100644
+--- a/pkg/git/branch_list_builder.go
++++ b/pkg/git/branch_list_builder.go
+@@ -14,8 +14,8 @@ import (
+ 
+ // context:
+ // we want to only show 'safe' branches (ones that haven't e.g. been deleted)
+-// which `git branch -a` gives us, but we also want the recency data that
+-// git reflog gives us.
++// test 2 - if I remove this, I decrement the end counter
++// test
+ // So we get the HEAD, then append get the reflog branches that intersect with
+ // our safe branches, then add the remaining safe branches, ensuring uniqueness
+ // along the way

pkg/git/testdata/testPatchBefore2.diff

@@ -0,0 +1,57 @@
+diff --git a/pkg/git/patch_modifier.go b/pkg/git/patch_modifier.go
+index a8fc600..6d8f7d7 100644
+--- a/pkg/git/patch_modifier.go
++++ b/pkg/git/patch_modifier.go
+@@ -36,18 +36,34 @@ func (p *PatchModifier) ModifyPatchForHunk(patch string, hunkStarts []int, curre
+ 		hunkEnd = hunkStarts[nextHunkStartIndex]
+ 	}
+ 
+-	headerLength := 4
++	headerLength, err := getHeaderLength(lines)
++	if err != nil {
++		return "", err
++	}
++
+ 	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+ 	output += strings.Join(lines[hunkStart:hunkEnd], "\n") + "\n"
+ 
+ 	return output, nil
+ }
+ 
++func getHeaderLength(patchLines []string) (int, error) {
++	for index, line := range patchLines {
++		if strings.HasPrefix(line, "@@") {
++			return index, nil
++		}
++	}
++	return 0, errors.New("Could not find any hunks in this patch")
++}
++
+ // ModifyPatchForLine takes the original patch, which may contain several hunks,
+ // and the line number of the line we want to stage
+ func (p *PatchModifier) ModifyPatchForLine(patch string, lineNumber int) (string, error) {
+ 	lines := strings.Split(patch, "\n")
+-	headerLength := 4
++	headerLength, err := getHeaderLength(lines)
++	if err != nil {
++		return "", err
++	}
+ 	output := strings.Join(lines[0:headerLength], "\n") + "\n"
+ 
+ 	hunkStart, err := p.getHunkStart(lines, lineNumber)
+@@ -124,13 +140,8 @@ func (p *PatchModifier) getModifiedHunk(patchLines []string, hunkStart int, line
+ // @@ -14,8 +14,9 @@ import (
+ func (p *PatchModifier) updatedHeader(currentHeader string, lineChanges int) (string, error) {
+ 	// current counter is the number after the second comma
+-	re := regexp.MustCompile(`^[^,]+,[^,]+,(\d+)`)
+-	matches := re.FindStringSubmatch(currentHeader)
+-	if len(matches) < 2 {
+-		re = regexp.MustCompile(`^[^,]+,[^+]+\+(\d+)`)
+-		matches = re.FindStringSubmatch(currentHeader)
+-	}
+-	prevLengthString := matches[1]
++	re := regexp.MustCompile(`(\d+) @@`)
++	prevLengthString := re.FindStringSubmatch(currentHeader)[1]
+ 
+ 	prevLength, err := strconv.Atoi(prevLengthString)
+ 	if err != nil {

pkg/gui/app_status_manager.go

@@ -0,0 +1,44 @@
+package gui
+
+import "github.com/jesseduffield/lazygit/pkg/utils"
+
+type appStatus struct {
+	name       string
+	statusType string
+	duration   int
+}
+
+type statusManager struct {
+	statuses []appStatus
+}
+
+func (m *statusManager) removeStatus(name string) {
+	newStatuses := []appStatus{}
+	for _, status := range m.statuses {
+		if status.name != name {
+			newStatuses = append(newStatuses, status)
+		}
+	}
+	m.statuses = newStatuses
+}
+
+func (m *statusManager) addWaitingStatus(name string) {
+	m.removeStatus(name)
+	newStatus := appStatus{
+		name:       name,
+		statusType: "waiting",
+		duration:   0,
+	}
+	m.statuses = append([]appStatus{newStatus}, m.statuses...)
+}
+
+func (m *statusManager) getStatusString() string {
+	if len(m.statuses) == 0 {
+		return ""
+	}
+	topStatus := m.statuses[0]
+	if topStatus.statusType == "waiting" {
+		return topStatus.name + " " + utils.Loader()
+	}
+	return topStatus.name
+}

pkg/gui/branches_panel.go

@@ -0,0 +1,269 @@
+package gui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/git"
+)
+
+// list panel functions
+
+func (gui *Gui) getSelectedBranch() *commands.Branch {
+	selectedLine := gui.State.Panels.Branches.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.Branches[selectedLine]
+}
+
+// may want to standardise how these select methods work
+func (gui *Gui) handleBranchSelect(g *gocui.Gui, v *gocui.View) error {
+	// This really shouldn't happen: there should always be a master branch
+	if len(gui.State.Branches) == 0 {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoBranchesThisRepo"))
+	}
+	branch := gui.getSelectedBranch()
+	if err := gui.focusPoint(0, gui.State.Panels.Branches.SelectedLine, v); err != nil {
+		return err
+	}
+	go func() {
+		_ = gui.RenderSelectedBranchUpstreamDifferences()
+	}()
+	go func() {
+		graph, err := gui.GitCommand.GetBranchGraph(branch.Name)
+		if err != nil && strings.HasPrefix(graph, "fatal: ambiguous argument") {
+			graph = gui.Tr.SLocalize("NoTrackingThisBranch")
+		}
+		_ = gui.renderString(g, "main", graph)
+	}()
+	return nil
+}
+
+func (gui *Gui) RenderSelectedBranchUpstreamDifferences() error {
+	// here we tell the selected branch that it is selected.
+	// this is necessary for showing stats on a branch that is selected, because
+	// the displaystring function doesn't have access to gui state to tell if it's selected
+	for i, branch := range gui.State.Branches {
+		branch.Selected = i == gui.State.Panels.Branches.SelectedLine
+	}
+
+	branch := gui.getSelectedBranch()
+	branch.Pushables, branch.Pullables = gui.GitCommand.GetBranchUpstreamDifferenceCount(branch.Name)
+	return gui.renderListPanel(gui.getBranchesView(gui.g), gui.State.Branches)
+}
+
+// gui.refreshStatus is called at the end of this because that's when we can
+// be sure there is a state.Branches array to pick the current branch from
+func (gui *Gui) refreshBranches(g *gocui.Gui) error {
+	g.Update(func(g *gocui.Gui) error {
+		builder, err := git.NewBranchListBuilder(gui.Log, gui.GitCommand)
+		if err != nil {
+			return err
+		}
+		gui.State.Branches = builder.Build()
+
+		gui.refreshSelectedLine(&gui.State.Panels.Branches.SelectedLine, len(gui.State.Branches))
+		if err := gui.resetOrigin(gui.getBranchesView(gui.g)); err != nil {
+			return err
+		}
+		if err := gui.RenderSelectedBranchUpstreamDifferences(); err != nil {
+			return err
+		}
+
+		return gui.refreshStatus(g)
+	})
+	return nil
+}
+
+func (gui *Gui) handleBranchesNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Branches
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Branches), false)
+	return gui.handleBranchSelect(gui.g, v)
+}
+
+func (gui *Gui) handleBranchesPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Branches
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Branches), true)
+
+	return gui.handleBranchSelect(gui.g, v)
+}
+
+// specific functions
+
+func (gui *Gui) handleBranchPress(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Branches.SelectedLine == -1 {
+		return nil
+	}
+	if gui.State.Panels.Branches.SelectedLine == 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("AlreadyCheckedOutBranch"))
+	}
+	branch := gui.getSelectedBranch()
+	if err := gui.GitCommand.Checkout(branch.Name, false); err != nil {
+		if err := gui.createErrorPanel(g, err.Error()); err != nil {
+			return err
+		}
+	} else {
+		gui.State.Panels.Branches.SelectedLine = 0
+	}
+
+	return gui.refreshSidePanels(g)
+}
+
+func (gui *Gui) handleCreatePullRequestPress(g *gocui.Gui, v *gocui.View) error {
+	pullRequest := commands.NewPullRequest(gui.GitCommand)
+
+	branch := gui.getSelectedBranch()
+	if err := pullRequest.Create(branch); err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleGitFetch(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("FetchWait")); err != nil {
+		return err
+	}
+	go func() {
+		unamePassOpend, err := gui.fetch(g, v, true)
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
+	}()
+	return nil
+}
+
+func (gui *Gui) handleForceCheckout(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getSelectedBranch()
+	message := gui.Tr.SLocalize("SureForceCheckout")
+	title := gui.Tr.SLocalize("ForceCheckoutBranch")
+	return gui.createConfirmationPanel(g, v, title, message, func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.Checkout(branch.Name, true); err != nil {
+			gui.createErrorPanel(g, err.Error())
+		}
+		return gui.refreshSidePanels(g)
+	}, nil)
+}
+
+func (gui *Gui) handleCheckoutByName(g *gocui.Gui, v *gocui.View) error {
+	gui.createPromptPanel(g, v, gui.Tr.SLocalize("BranchName")+":", func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.Checkout(gui.trimmedContent(v), false); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		return gui.refreshSidePanels(g)
+	})
+	return nil
+}
+
+func (gui *Gui) handleNewBranch(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.State.Branches[0]
+	message := gui.Tr.TemplateLocalize(
+		"NewBranchNameBranchOff",
+		Teml{
+			"branchName": branch.Name,
+		},
+	)
+	gui.createPromptPanel(g, v, message, func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.NewBranch(gui.trimmedContent(v)); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		gui.refreshSidePanels(g)
+		return gui.handleBranchSelect(g, v)
+	})
+	return nil
+}
+
+func (gui *Gui) handleDeleteBranch(g *gocui.Gui, v *gocui.View) error {
+	return gui.deleteBranch(g, v, false)
+}
+
+func (gui *Gui) handleForceDeleteBranch(g *gocui.Gui, v *gocui.View) error {
+	return gui.deleteBranch(g, v, true)
+}
+
+func (gui *Gui) deleteBranch(g *gocui.Gui, v *gocui.View, force bool) error {
+	selectedBranch := gui.getSelectedBranch()
+	if selectedBranch == nil {
+		return nil
+	}
+	checkedOutBranch := gui.State.Branches[0]
+	if checkedOutBranch.Name == selectedBranch.Name {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantDeleteCheckOutBranch"))
+	}
+	return gui.deleteNamedBranch(g, v, selectedBranch, force)
+}
+
+func (gui *Gui) deleteNamedBranch(g *gocui.Gui, v *gocui.View, selectedBranch *commands.Branch, force bool) error {
+	title := gui.Tr.SLocalize("DeleteBranch")
+	var messageID string
+	if force {
+		messageID = "ForceDeleteBranchMessage"
+	} else {
+		messageID = "DeleteBranchMessage"
+	}
+	message := gui.Tr.TemplateLocalize(
+		messageID,
+		Teml{
+			"selectedBranchName": selectedBranch.Name,
+		},
+	)
+	return gui.createConfirmationPanel(g, v, title, message, func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.DeleteBranch(selectedBranch.Name, force); err != nil {
+			errMessage := err.Error()
+			if !force && strings.Contains(errMessage, "is not fully merged") {
+				return gui.deleteNamedBranch(g, v, selectedBranch, true)
+			}
+			return gui.createErrorPanel(g, errMessage)
+		}
+		return gui.refreshSidePanels(g)
+	}, nil)
+}
+
+func (gui *Gui) handleMerge(g *gocui.Gui, v *gocui.View) error {
+	checkedOutBranch := gui.State.Branches[0]
+	selectedBranch := gui.getSelectedBranch()
+	defer gui.refreshSidePanels(g)
+	if checkedOutBranch.Name == selectedBranch.Name {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantMergeBranchIntoItself"))
+	}
+	if err := gui.GitCommand.Merge(selectedBranch.Name); err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+	return nil
+}
+
+func (gui *Gui) handleFastForward(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getSelectedBranch()
+	if branch == nil {
+		return nil
+	}
+	if branch.Pushables == "" {
+		return nil
+	}
+	if branch.Pushables == "?" {
+		return gui.createErrorPanel(gui.g, "Cannot fast-forward a branch with no upstream")
+	}
+	if branch.Pushables != "0" {
+		return gui.createErrorPanel(gui.g, "Cannot fast-forward a branch with commits to push")
+	}
+	upstream := "origin" // hardcoding for now
+	message := gui.Tr.TemplateLocalize(
+		"Fetching",
+		Teml{
+			"from": fmt.Sprintf("%s/%s", upstream, branch.Name),
+			"to":   branch.Name,
+		},
+	)
+	go func() {
+		_ = gui.createMessagePanel(gui.g, v, "", message)
+		if err := gui.GitCommand.FastForward(branch.Name); err != nil {
+			_ = gui.createErrorPanel(gui.g, err.Error())
+		} else {
+			_ = gui.closeConfirmationPrompt(gui.g)
+			_ = gui.RenderSelectedBranchUpstreamDifferences()
+		}
+	}()
+	return nil
+}

pkg/gui/commit_message_panel.go

@@ -0,0 +1,92 @@
+package gui
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) handleCommitConfirm(g *gocui.Gui, v *gocui.View) error {
+	message := gui.trimmedContent(v)
+	if message == "" {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CommitWithoutMessageErr"))
+	}
+	sub, err := gui.GitCommand.Commit(message, false)
+	if err != nil {
+		// TODO need to find a way to send through this error
+		if err != gui.Errors.ErrSubProcess {
+			return gui.createErrorPanel(g, err.Error())
+		}
+	}
+	if sub != nil {
+		gui.SubProcess = sub
+		return gui.Errors.ErrSubProcess
+	}
+	v.Clear()
+	_ = v.SetCursor(0, 0)
+	_ = v.SetOrigin(0, 0)
+	_, _ = g.SetViewOnBottom("commitMessage")
+	_ = gui.switchFocus(g, v, gui.getFilesView(g))
+	return gui.refreshSidePanels(g)
+}
+
+func (gui *Gui) handleCommitClose(g *gocui.Gui, v *gocui.View) error {
+	g.SetViewOnBottom("commitMessage")
+	return gui.switchFocus(g, v, gui.getFilesView(g))
+}
+
+func (gui *Gui) handleCommitFocused(g *gocui.Gui, v *gocui.View) error {
+	if _, err := g.SetViewOnTop("commitMessage"); err != nil {
+		return err
+	}
+
+	message := gui.Tr.TemplateLocalize(
+		"CloseConfirm",
+		Teml{
+			"keyBindClose":   "esc",
+			"keyBindConfirm": "enter",
+		},
+	)
+	return gui.renderString(g, "options", message)
+}
+
+func (gui *Gui) simpleEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
+	switch {
+	case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
+		v.EditDelete(true)
+	case key == gocui.KeyDelete:
+		v.EditDelete(false)
+	case key == gocui.KeyArrowDown:
+		v.MoveCursor(0, 1, false)
+	case key == gocui.KeyArrowUp:
+		v.MoveCursor(0, -1, false)
+	case key == gocui.KeyArrowLeft:
+		v.MoveCursor(-1, 0, false)
+	case key == gocui.KeyArrowRight:
+		v.MoveCursor(1, 0, false)
+	case key == gocui.KeyTab:
+		v.EditNewLine()
+	case key == gocui.KeySpace:
+		v.EditWrite(' ')
+	case key == gocui.KeyInsert:
+		v.Overwrite = !v.Overwrite
+	default:
+		v.EditWrite(ch)
+	}
+
+	gui.RenderCommitLength()
+}
+
+func (gui *Gui) getBufferLength(view *gocui.View) string {
+	return " " + strconv.Itoa(strings.Count(view.Buffer(), "")-1) + " "
+}
+
+// RenderCommitLength is a function.
+func (gui *Gui) RenderCommitLength() {
+	if !gui.Config.GetUserConfig().GetBool("gui.commitLength.show") {
+		return
+	}
+	v := gui.getCommitMessageView(gui.g)
+	v.Subtitle = gui.getBufferLength(v)
+}

pkg/gui/commits_panel.go

@@ -0,0 +1,186 @@
+package gui
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// list panel functions
+
+func (gui *Gui) getSelectedCommit(g *gocui.Gui) *commands.Commit {
+	selectedLine := gui.State.Panels.Commits.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.Commits[selectedLine]
+}
+
+func (gui *Gui) handleCommitSelect(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Commits.SelectedLine, v); err != nil {
+		return err
+	}
+	commitText, err := gui.GitCommand.Show(commit.Sha)
+	if err != nil {
+		return err
+	}
+	return gui.renderString(g, "main", commitText)
+}
+
+func (gui *Gui) refreshCommits(g *gocui.Gui) error {
+	g.Update(func(*gocui.Gui) error {
+		commits, err := gui.GitCommand.GetCommits()
+		if err != nil {
+			return err
+		}
+		gui.State.Commits = commits
+
+		gui.refreshSelectedLine(&gui.State.Panels.Commits.SelectedLine, len(gui.State.Commits))
+
+		list, err := utils.RenderList(gui.State.Commits)
+		if err != nil {
+			return err
+		}
+
+		v := gui.getCommitsView(gui.g)
+		v.Clear()
+		fmt.Fprint(v, list)
+
+		gui.refreshStatus(g)
+		if v == g.CurrentView() {
+			gui.handleCommitSelect(g, v)
+		}
+		return nil
+	})
+	return nil
+}
+
+func (gui *Gui) handleCommitsNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Commits
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Commits), false)
+
+	return gui.handleCommitSelect(gui.g, v)
+}
+
+func (gui *Gui) handleCommitsPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Commits
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Commits), true)
+
+	return gui.handleCommitSelect(gui.g, v)
+}
+
+// specific functions
+
+func (gui *Gui) handleResetToCommit(g *gocui.Gui, commitView *gocui.View) error {
+	return gui.createConfirmationPanel(g, commitView, gui.Tr.SLocalize("ResetToCommit"), gui.Tr.SLocalize("SureResetThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
+		commit := gui.getSelectedCommit(g)
+		if commit == nil {
+			panic(errors.New(gui.Tr.SLocalize("NoCommitsThisBranch")))
+		}
+		if err := gui.GitCommand.ResetToCommit(commit.Sha); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshCommits(g); err != nil {
+			panic(err)
+		}
+		if err := gui.refreshFiles(g); err != nil {
+			panic(err)
+		}
+		gui.resetOrigin(commitView)
+		gui.State.Panels.Commits.SelectedLine = 0
+		return gui.handleCommitSelect(g, commitView)
+	}, nil)
+}
+
+func (gui *Gui) handleCommitSquashDown(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Commits.SelectedLine != 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("OnlySquashTopmostCommit"))
+	}
+	if len(gui.State.Commits) <= 1 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("YouNoCommitsToSquash"))
+	}
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return errors.New(gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+	if err := gui.GitCommand.SquashPreviousTwoCommits(commit.Name); err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+	if err := gui.refreshCommits(g); err != nil {
+		panic(err)
+	}
+	gui.refreshStatus(g)
+	return gui.handleCommitSelect(g, v)
+}
+
+// TODO: move to files panel
+func (gui *Gui) anyUnStagedChanges(files []*commands.File) bool {
+	for _, file := range files {
+		if file.Tracked && file.HasUnstagedChanges {
+			return true
+		}
+	}
+	return false
+}
+
+func (gui *Gui) handleCommitFixup(g *gocui.Gui, v *gocui.View) error {
+	if len(gui.State.Commits) <= 1 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("YouNoCommitsToSquash"))
+	}
+	if gui.anyUnStagedChanges(gui.State.Files) {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantFixupWhileUnstagedChanges"))
+	}
+	branch := gui.State.Branches[0]
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+	message := gui.Tr.SLocalize("SureFixupThisCommit")
+	gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("Fixup"), message, func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.SquashFixupCommit(branch.Name, commit.Sha); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshCommits(g); err != nil {
+			panic(err)
+		}
+		return gui.refreshStatus(g)
+	}, nil)
+	return nil
+}
+
+func (gui *Gui) handleRenameCommit(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Commits.SelectedLine != 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("OnlyRenameTopCommit"))
+	}
+	return gui.createPromptPanel(g, v, gui.Tr.SLocalize("renameCommit"), func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.RenameCommit(v.Buffer()); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshCommits(g); err != nil {
+			panic(err)
+		}
+		return gui.handleCommitSelect(g, v)
+	})
+}
+
+func (gui *Gui) handleRenameCommitEditor(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Commits.SelectedLine != 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("OnlyRenameTopCommit"))
+	}
+
+	gui.SubProcess = gui.GitCommand.PrepareCommitAmendSubProcess()
+	g.Update(func(g *gocui.Gui) error {
+		return gui.Errors.ErrSubProcess
+	})
+
+	return nil
+}

pkg/gui/confirmation_panel.go

@@ -0,0 +1,170 @@
+// lots of this has been directly ported from one of the example files, will brush up later
+
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package gui
+
+import (
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error) func(*gocui.Gui, *gocui.View) error {
+	return func(g *gocui.Gui, v *gocui.View) error {
+		if function != nil {
+			if err := function(g, v); err != nil {
+				return err
+			}
+		}
+		return gui.closeConfirmationPrompt(g)
+	}
+}
+
+func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui) error {
+	view, err := g.View("confirmation")
+	if err != nil {
+		return nil // if it's already been closed we can just return
+	}
+	if err := gui.returnFocus(g, view); err != nil {
+		panic(err)
+	}
+	g.DeleteKeybindings("confirmation")
+	return g.DeleteView("confirmation")
+}
+
+func (gui *Gui) getMessageHeight(wrap bool, message string, width int) int {
+	lines := strings.Split(message, "\n")
+	lineCount := 0
+	// if we need to wrap, calculate height to fit content within view's width
+	if wrap {
+		for _, line := range lines {
+			lineCount += len(line)/width + 1
+		}
+	} else {
+		lineCount = len(lines)
+	}
+	return lineCount
+}
+
+func (gui *Gui) getConfirmationPanelDimensions(g *gocui.Gui, wrap bool, prompt string) (int, int, int, int) {
+	width, height := g.Size()
+	panelWidth := width / 2
+	panelHeight := gui.getMessageHeight(wrap, prompt, panelWidth)
+	return width/2 - panelWidth/2,
+		height/2 - panelHeight/2 - panelHeight%2 - 1,
+		width/2 + panelWidth/2,
+		height/2 + panelHeight/2
+}
+
+func (gui *Gui) createPromptPanel(g *gocui.Gui, currentView *gocui.View, title string, handleConfirm func(*gocui.Gui, *gocui.View) error) error {
+	gui.onNewPopupPanel()
+	confirmationView, err := gui.prepareConfirmationPanel(currentView, title, "")
+	if err != nil {
+		return err
+	}
+	confirmationView.Editable = true
+	return gui.setKeyBindings(g, handleConfirm, nil)
+}
+
+func (gui *Gui) prepareConfirmationPanel(currentView *gocui.View, title, prompt string) (*gocui.View, error) {
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, true, prompt)
+	confirmationView, err := gui.g.SetView("confirmation", x0, y0, x1, y1, 0)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return nil, err
+		}
+		confirmationView.Title = title
+		confirmationView.Wrap = true
+		confirmationView.FgColor = gocui.ColorWhite
+	}
+	gui.g.Update(func(g *gocui.Gui) error {
+		confirmationView.Clear()
+		return gui.switchFocus(gui.g, currentView, confirmationView)
+	})
+	return confirmationView, nil
+}
+
+func (gui *Gui) onNewPopupPanel() {
+	_, _ = gui.g.SetViewOnBottom("commitMessage")
+	_, _ = gui.g.SetViewOnBottom("credentials")
+}
+
+// it is very important that within this function we never include the original prompt in any error messages, because it may contain e.g. a user password
+func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
+	gui.onNewPopupPanel()
+	g.Update(func(g *gocui.Gui) error {
+		// delete the existing confirmation panel if it exists
+		if view, _ := g.View("confirmation"); view != nil {
+			if err := gui.closeConfirmationPrompt(g); err != nil {
+				errMessage := gui.Tr.TemplateLocalize(
+					"CantCloseConfirmationPrompt",
+					Teml{
+						"error": err.Error(),
+					},
+				)
+				gui.Log.Error(errMessage)
+			}
+		}
+		confirmationView, err := gui.prepareConfirmationPanel(currentView, title, prompt)
+		if err != nil {
+			return err
+		}
+		confirmationView.Editable = false
+		if err := gui.renderString(g, "confirmation", prompt); err != nil {
+			return err
+		}
+		return gui.setKeyBindings(g, handleConfirm, handleClose)
+	})
+	return nil
+}
+
+func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
+	actions := gui.Tr.TemplateLocalize(
+		"CloseConfirm",
+		Teml{
+			"keyBindClose":   "esc",
+			"keyBindConfirm": "enter",
+		},
+	)
+	if err := gui.renderString(g, "options", actions); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, gui.wrappedConfirmationFunction(handleConfirm)); err != nil {
+		return err
+	}
+	return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, gui.wrappedConfirmationFunction(handleClose))
+}
+
+func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
+	return gui.createConfirmationPanel(g, currentView, title, prompt, nil, nil)
+}
+
+// createSpecificErrorPanel allows you to create an error popup, specifying the
+//  view to be focused when the user closes the popup, and a boolean specifying
+// whether we will log the error. If the message may include a user password,
+// this function is to be used over the more generic createErrorPanel, with
+// willLog set to false
+func (gui *Gui) createSpecificErrorPanel(message string, nextView *gocui.View, willLog bool) error {
+	if willLog {
+		go func() {
+			// when reporting is switched on this log call sometimes introduces
+			// a delay on the error panel popping up. Here I'm adding a second wait
+			// so that the error is logged while the user is reading the error message
+			time.Sleep(time.Second)
+			gui.Log.Error(message)
+		}()
+	}
+
+	colorFunction := color.New(color.FgRed).SprintFunc()
+	coloredMessage := colorFunction(strings.TrimSpace(message))
+	return gui.createConfirmationPanel(gui.g, nextView, gui.Tr.SLocalize("Error"), coloredMessage, nil, nil)
+}
+
+func (gui *Gui) createErrorPanel(g *gocui.Gui, message string) error {
+	return gui.createSpecificErrorPanel(message, g.CurrentView(), true)
+}

pkg/gui/credentials_panel.go

@@ -0,0 +1,104 @@
+package gui
+
+import (
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+)
+
+type credentials chan string
+
+// waitForPassUname wait for a username or password input from the credentials popup
+func (gui *Gui) waitForPassUname(g *gocui.Gui, currentView *gocui.View, passOrUname string) string {
+	gui.credentials = make(chan string)
+	g.Update(func(g *gocui.Gui) error {
+		credentialsView, _ := g.View("credentials")
+		if passOrUname == "username" {
+			credentialsView.Title = gui.Tr.SLocalize("CredentialsUsername")
+			credentialsView.Mask = 0
+		} else {
+			credentialsView.Title = gui.Tr.SLocalize("CredentialsPassword")
+			credentialsView.Mask = '*'
+		}
+		err := gui.switchFocus(g, currentView, credentialsView)
+		if err != nil {
+			return err
+		}
+		gui.RenderCommitLength()
+		return nil
+	})
+
+	// wait for username/passwords input
+	userInput := <-gui.credentials
+	return userInput + "\n"
+}
+
+func (gui *Gui) handleSubmitCredential(g *gocui.Gui, v *gocui.View) error {
+	message := gui.trimmedContent(v)
+	gui.credentials <- message
+	err := gui.refreshFiles(g)
+	if err != nil {
+		return err
+	}
+	v.Clear()
+	err = v.SetCursor(0, 0)
+	if err != nil {
+		return err
+	}
+	_, err = g.SetViewOnBottom("credentials")
+	if err != nil {
+		return err
+	}
+	nextView, err := gui.g.View("confirmation")
+	if err != nil {
+		nextView = gui.getFilesView(g)
+	}
+	err = gui.switchFocus(g, nil, nextView)
+	if err != nil {
+		return err
+	}
+	return gui.refreshCommits(g)
+}
+
+func (gui *Gui) handleCloseCredentialsView(g *gocui.Gui, v *gocui.View) error {
+	_, err := g.SetViewOnBottom("credentials")
+	if err != nil {
+		return err
+	}
+
+	gui.credentials <- ""
+	return gui.switchFocus(g, nil, gui.getFilesView(g))
+}
+
+func (gui *Gui) handleCredentialsViewFocused(g *gocui.Gui, v *gocui.View) error {
+	if _, err := g.SetViewOnTop("credentials"); err != nil {
+		return err
+	}
+
+	message := gui.Tr.TemplateLocalize(
+		"CloseConfirm",
+		Teml{
+			"keyBindClose":   "esc",
+			"keyBindConfirm": "enter",
+		},
+	)
+	return gui.renderString(g, "options", message)
+}
+
+// HandleCredentialsPopup handles the views after executing a command that might ask for credentials
+func (gui *Gui) HandleCredentialsPopup(g *gocui.Gui, popupOpened bool, cmdErr error) {
+	if popupOpened {
+		_, _ = gui.g.SetViewOnBottom("credentials")
+	}
+	if cmdErr != nil {
+		errMessage := cmdErr.Error()
+		if strings.Contains(errMessage, "Invalid username or password") {
+			errMessage = gui.Tr.SLocalize("PassUnameWrong")
+		}
+		// we are not logging this error because it may contain a password
+		_ = gui.createSpecificErrorPanel(errMessage, gui.getFilesView(gui.g), false)
+	} else {
+		_ = gui.closeConfirmationPrompt(g)
+		_ = gui.refreshSidePanels(g)
+	}
+}

pkg/gui/files_panel.go

@@ -0,0 +1,472 @@
+package gui
+
+import (
+
+	// "io"
+	// "io/ioutil"
+
+	// "strings"
+
+	"fmt"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// list panel functions
+
+func (gui *Gui) getSelectedFile(g *gocui.Gui) (*commands.File, error) {
+	selectedLine := gui.State.Panels.Files.SelectedLine
+	if selectedLine == -1 {
+		return &commands.File{}, gui.Errors.ErrNoFiles
+	}
+
+	return gui.State.Files[selectedLine], nil
+}
+
+func (gui *Gui) handleFileSelect(g *gocui.Gui, v *gocui.View, alreadySelected bool) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoChangedFiles"))
+	}
+
+	if file.HasMergeConflicts {
+		return gui.refreshMergePanel(g)
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Files.SelectedLine, v); err != nil {
+		return err
+	}
+
+	content := gui.GitCommand.Diff(file, false)
+	if alreadySelected {
+		g.Update(func(*gocui.Gui) error {
+			return gui.setViewContent(gui.g, gui.getMainView(gui.g), content)
+		})
+		return nil
+	}
+	return gui.renderString(g, "main", content)
+}
+
+func (gui *Gui) refreshFiles(g *gocui.Gui) error {
+	selectedFile, _ := gui.getSelectedFile(gui.g)
+
+	filesView, err := g.View("files")
+	if err != nil {
+		return err
+	}
+	gui.refreshStateFiles()
+
+	gui.g.Update(func(g *gocui.Gui) error {
+
+		filesView.Clear()
+		list, err := utils.RenderList(gui.State.Files)
+		if err != nil {
+			return err
+		}
+		fmt.Fprint(filesView, list)
+
+		if filesView == g.CurrentView() {
+			newSelectedFile, _ := gui.getSelectedFile(gui.g)
+			alreadySelected := newSelectedFile.Name == selectedFile.Name
+			return gui.handleFileSelect(g, filesView, alreadySelected)
+		}
+		return nil
+	})
+
+	return nil
+}
+
+func (gui *Gui) handleFilesNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Files
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Files), false)
+
+	return gui.handleFileSelect(gui.g, v, false)
+}
+
+func (gui *Gui) handleFilesPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Files
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Files), true)
+
+	return gui.handleFileSelect(gui.g, v, false)
+}
+
+// specific functions
+
+func (gui *Gui) stagedFiles() []*commands.File {
+	files := gui.State.Files
+	result := make([]*commands.File, 0)
+	for _, file := range files {
+		if file.HasStagedChanges {
+			result = append(result, file)
+		}
+	}
+	return result
+}
+
+func (gui *Gui) trackedFiles() []*commands.File {
+	files := gui.State.Files
+	result := make([]*commands.File, 0)
+	for _, file := range files {
+		if file.Tracked {
+			result = append(result, file)
+		}
+	}
+	return result
+}
+
+func (gui *Gui) stageSelectedFile(g *gocui.Gui) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	return gui.GitCommand.StageFile(file.Name)
+}
+
+func (gui *Gui) handleSwitchToStagingPanel(g *gocui.Gui, v *gocui.View) error {
+	stagingView, err := g.View("staging")
+	if err != nil {
+		return err
+	}
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return nil
+	}
+	if !file.HasUnstagedChanges {
+		gui.Log.WithField("staging", "staging").Info("making error panel")
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("FileStagingRequirements"))
+	}
+	if err := gui.switchFocus(g, v, stagingView); err != nil {
+		return err
+	}
+	return gui.refreshStagingPanel()
+}
+
+func (gui *Gui) handleFilePress(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err == gui.Errors.ErrNoFiles {
+			return nil
+		}
+		return err
+	}
+
+	if file.HasMergeConflicts {
+		return gui.handleSwitchToMerge(g, v)
+	}
+
+	if file.HasUnstagedChanges {
+		gui.GitCommand.StageFile(file.Name)
+	} else {
+		gui.GitCommand.UnStageFile(file.Name, file.Tracked)
+	}
+
+	if err := gui.refreshFiles(g); err != nil {
+		return err
+	}
+
+	return gui.handleFileSelect(g, v, true)
+}
+
+func (gui *Gui) allFilesStaged() bool {
+	for _, file := range gui.State.Files {
+		if file.HasUnstagedChanges {
+			return false
+		}
+	}
+	return true
+}
+
+func (gui *Gui) handleStageAll(g *gocui.Gui, v *gocui.View) error {
+	var err error
+	if gui.allFilesStaged() {
+		err = gui.GitCommand.UnstageAll()
+	} else {
+		err = gui.GitCommand.StageAll()
+	}
+	if err != nil {
+		_ = gui.createErrorPanel(g, err.Error())
+	}
+
+	return gui.refreshFiles(g)
+}
+
+func (gui *Gui) handleAddPatch(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err == gui.Errors.ErrNoFiles {
+			return nil
+		}
+		return err
+	}
+	if !file.HasUnstagedChanges {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("FileHasNoUnstagedChanges"))
+	}
+	if !file.Tracked {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CannotGitAdd"))
+	}
+
+	gui.SubProcess = gui.GitCommand.AddPatch(file.Name)
+	return gui.Errors.ErrSubProcess
+}
+
+func (gui *Gui) handleFileRemove(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err == gui.Errors.ErrNoFiles {
+			return nil
+		}
+		return err
+	}
+	var deleteVerb string
+	if file.Tracked {
+		deleteVerb = gui.Tr.SLocalize("checkout")
+	} else {
+		deleteVerb = gui.Tr.SLocalize("delete")
+	}
+	message := gui.Tr.TemplateLocalize(
+		"SureTo",
+		Teml{
+			"deleteVerb": deleteVerb,
+			"fileName":   file.Name,
+		},
+	)
+	return gui.createConfirmationPanel(g, v, strings.Title(deleteVerb)+" file", message, func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.RemoveFile(file); err != nil {
+			return err
+		}
+		return gui.refreshFiles(g)
+	}, nil)
+}
+
+func (gui *Gui) handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+	if file.Tracked {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantIgnoreTrackFiles"))
+	}
+	if err := gui.GitCommand.Ignore(file.Name); err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+	return gui.refreshFiles(g)
+}
+
+func (gui *Gui) handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
+	if len(gui.stagedFiles()) == 0 && !gui.State.HasMergeConflicts {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
+	}
+	commitMessageView := gui.getCommitMessageView(g)
+	g.Update(func(g *gocui.Gui) error {
+		g.SetViewOnTop("commitMessage")
+		gui.switchFocus(g, filesView, commitMessageView)
+		gui.RenderCommitLength()
+		return nil
+	})
+	return nil
+}
+
+func (gui *Gui) handleAmendCommitPress(g *gocui.Gui, filesView *gocui.View) error {
+	if len(gui.stagedFiles()) == 0 && !gui.State.HasMergeConflicts {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
+	}
+	title := strings.Title(gui.Tr.SLocalize("AmendLastCommit"))
+	question := gui.Tr.SLocalize("SureToAmend")
+
+	if len(gui.State.Commits) == 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoCommitToAmend"))
+	}
+
+	return gui.createConfirmationPanel(g, filesView, title, question, func(g *gocui.Gui, v *gocui.View) error {
+		lastCommitMsg := gui.State.Commits[0].Name
+		_, err := gui.GitCommand.Commit(lastCommitMsg, true)
+		if err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+
+		return gui.refreshSidePanels(g)
+	}, nil)
+}
+
+// handleCommitEditorPress - handle when the user wants to commit changes via
+// their editor rather than via the popup panel
+func (gui *Gui) handleCommitEditorPress(g *gocui.Gui, filesView *gocui.View) error {
+	if len(gui.stagedFiles()) == 0 && !gui.State.HasMergeConflicts {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
+	}
+	gui.PrepareSubProcess(g, "git", "commit")
+	return nil
+}
+
+// PrepareSubProcess - prepare a subprocess for execution and tell the gui to switch to it
+func (gui *Gui) PrepareSubProcess(g *gocui.Gui, commands ...string) {
+	gui.SubProcess = gui.GitCommand.PrepareCommitSubProcess()
+	g.Update(func(g *gocui.Gui) error {
+		return gui.Errors.ErrSubProcess
+	})
+}
+
+func (gui *Gui) editFile(filename string) error {
+	sub, err := gui.OSCommand.EditFile(filename)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	if sub != nil {
+		gui.SubProcess = sub
+		return gui.Errors.ErrSubProcess
+	}
+	return nil
+}
+
+func (gui *Gui) handleFileEdit(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+
+	return gui.editFile(file.Name)
+}
+
+func (gui *Gui) handleFileOpen(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	return gui.openFile(file.Name)
+}
+
+func (gui *Gui) handleRefreshFiles(g *gocui.Gui, v *gocui.View) error {
+	return gui.refreshFiles(g)
+}
+
+func (gui *Gui) refreshStateFiles() {
+	// get files to stage
+	files := gui.GitCommand.GetStatusFiles()
+	gui.State.Files = gui.GitCommand.MergeStatusFiles(gui.State.Files, files)
+	gui.refreshSelectedLine(&gui.State.Panels.Files.SelectedLine, len(gui.State.Files))
+	gui.updateHasMergeConflictStatus()
+}
+
+func (gui *Gui) updateHasMergeConflictStatus() error {
+	merging, err := gui.GitCommand.IsInMergeState()
+	if err != nil {
+		return err
+	}
+	gui.State.HasMergeConflicts = merging
+	return nil
+}
+
+func (gui *Gui) catSelectedFile(g *gocui.Gui) (string, error) {
+	item, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return "", err
+		}
+		return "", gui.renderString(g, "main", gui.Tr.SLocalize("NoFilesDisplay"))
+	}
+	if item.Type != "file" {
+		return "", gui.renderString(g, "main", gui.Tr.SLocalize("NotAFile"))
+	}
+	cat, err := gui.GitCommand.CatFile(item.Name)
+	if err != nil {
+		gui.Log.Error(err)
+		return "", gui.renderString(g, "main", err.Error())
+	}
+	return cat, nil
+}
+
+func (gui *Gui) pullFiles(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.createMessagePanel(gui.g, v, "", gui.Tr.SLocalize("PullWait")); err != nil {
+		return err
+	}
+	go func() {
+		unamePassOpend := false
+		err := gui.GitCommand.Pull(func(passOrUname string) string {
+			unamePassOpend = true
+			return gui.waitForPassUname(g, v, passOrUname)
+		})
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
+	}()
+	return nil
+}
+
+func (gui *Gui) pushWithForceFlag(g *gocui.Gui, v *gocui.View, force bool) error {
+	if err := gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("PushWait")); err != nil {
+		return err
+	}
+	go func() {
+		unamePassOpend := false
+		branchName := gui.State.Branches[0].Name
+		err := gui.GitCommand.Push(branchName, force, func(passOrUname string) string {
+			unamePassOpend = true
+			return gui.waitForPassUname(g, v, passOrUname)
+		})
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
+	}()
+	return nil
+}
+
+func (gui *Gui) pushFiles(g *gocui.Gui, v *gocui.View) error {
+	// if we have pullables we'll ask if the user wants to force push
+	_, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
+	if pullables == "?" || pullables == "0" {
+		return gui.pushWithForceFlag(g, v, false)
+	}
+	err := gui.createConfirmationPanel(g, nil, gui.Tr.SLocalize("ForcePush"), gui.Tr.SLocalize("ForcePushPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.pushWithForceFlag(g, v, true)
+	}, nil)
+	return err
+}
+
+func (gui *Gui) handleSwitchToMerge(g *gocui.Gui, v *gocui.View) error {
+	mergeView, err := g.View("main")
+	if err != nil {
+		return err
+	}
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return nil
+	}
+	if !file.HasMergeConflicts {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("FileNoMergeCons"))
+	}
+	gui.switchFocus(g, v, mergeView)
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) handleAbortMerge(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.GitCommand.AbortMerge(); err != nil {
+		return gui.createErrorPanel(g, err.Error())
+	}
+	gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("MergeAborted"))
+	gui.refreshStatus(g)
+	return gui.refreshFiles(g)
+}
+
+func (gui *Gui) handleResetAndClean(g *gocui.Gui, v *gocui.View) error {
+	return gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("ClearFilePanel"), gui.Tr.SLocalize("SureResetHardHead"), func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.ResetAndClean(); err != nil {
+			gui.createErrorPanel(g, err.Error())
+		}
+		return gui.refreshFiles(g)
+	}, nil)
+}
+
+func (gui *Gui) openFile(filename string) error {
+	if err := gui.OSCommand.OpenFile(filename); err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	return nil
+}

pkg/gui/gui.go

@@ -0,0 +1,587 @@
+package gui
+
+import (
+	"sync"
+
+	// "io"
+	// "io/ioutil"
+
+	"errors"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+
+	// "strings"
+
+	"github.com/fatih/color"
+	"github.com/golang-collections/collections/stack"
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/jesseduffield/lazygit/pkg/updates"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+// OverlappingEdges determines if panel edges overlap
+var OverlappingEdges = false
+
+// SentinelErrors are the errors that have special meaning and need to be checked
+// by calling functions. The less of these, the better
+type SentinelErrors struct {
+	ErrSubProcess error
+	ErrNoFiles    error
+	ErrSwitchRepo error
+}
+
+// GenerateSentinelErrors makes the sentinel errors for the gui. We're defining it here
+// because we can't do package-scoped errors with localization, and also because
+// it seems like package-scoped variables are bad in general
+// https://dave.cheney.net/2017/06/11/go-without-package-scoped-variables
+// In the future it would be good to implement some of the recommendations of
+// that article. For now, if we don't need an error to be a sentinel, we will just
+// define it inline. This has implications for error messages that pop up everywhere
+// in that we'll be duplicating the default values. We may need to look at
+// having a default localisation bundle defined, and just using keys-only when
+// localising things in the code.
+func (gui *Gui) GenerateSentinelErrors() {
+	gui.Errors = SentinelErrors{
+		ErrSubProcess: errors.New(gui.Tr.SLocalize("RunningSubprocess")),
+		ErrNoFiles:    errors.New(gui.Tr.SLocalize("NoChangedFiles")),
+		ErrSwitchRepo: errors.New("switching repo"),
+	}
+}
+
+// Teml is short for template used to make the required map[string]interface{} shorter when using gui.Tr.SLocalize and gui.Tr.TemplateLocalize
+type Teml i18n.Teml
+
+// Gui wraps the gocui Gui object which handles rendering and events
+type Gui struct {
+	g             *gocui.Gui
+	Log           *logrus.Entry
+	GitCommand    *commands.GitCommand
+	OSCommand     *commands.OSCommand
+	SubProcess    *exec.Cmd
+	State         guiState
+	Config        config.AppConfigurer
+	Tr            *i18n.Localizer
+	Errors        SentinelErrors
+	Updater       *updates.Updater
+	statusManager *statusManager
+	credentials   credentials
+	waitForIntro  sync.WaitGroup
+}
+
+// for now the staging panel state, unlike the other panel states, is going to be
+// non-mutative, so that we don't accidentally end up
+// with mismatches of data. We might change this in the future
+type stagingPanelState struct {
+	SelectedLine   int
+	StageableLines []int
+	HunkStarts     []int
+	Diff           string
+}
+
+type filePanelState struct {
+	SelectedLine int
+}
+
+type branchPanelState struct {
+	SelectedLine int
+}
+
+type commitPanelState struct {
+	SelectedLine int
+}
+
+type stashPanelState struct {
+	SelectedLine int
+}
+
+type menuPanelState struct {
+	SelectedLine int
+}
+
+type panelStates struct {
+	Files    *filePanelState
+	Staging  *stagingPanelState
+	Branches *branchPanelState
+	Commits  *commitPanelState
+	Stash    *stashPanelState
+	Menu     *menuPanelState
+}
+
+type guiState struct {
+	Files             []*commands.File
+	Branches          []*commands.Branch
+	Commits           []*commands.Commit
+	StashEntries      []*commands.StashEntry
+	PreviousView      string
+	HasMergeConflicts bool
+	ConflictIndex     int
+	ConflictTop       bool
+	Conflicts         []commands.Conflict
+	EditHistory       *stack.Stack
+	Platform          commands.Platform
+	Updating          bool
+	Panels            *panelStates
+}
+
+// NewGui builds a new gui handler
+func NewGui(log *logrus.Entry, gitCommand *commands.GitCommand, oSCommand *commands.OSCommand, tr *i18n.Localizer, config config.AppConfigurer, updater *updates.Updater) (*Gui, error) {
+
+	initialState := guiState{
+		Files:         make([]*commands.File, 0),
+		PreviousView:  "files",
+		Commits:       make([]*commands.Commit, 0),
+		StashEntries:  make([]*commands.StashEntry, 0),
+		ConflictIndex: 0,
+		ConflictTop:   true,
+		Conflicts:     make([]commands.Conflict, 0),
+		EditHistory:   stack.New(),
+		Platform:      *oSCommand.Platform,
+		Panels: &panelStates{
+			Files:    &filePanelState{SelectedLine: -1},
+			Branches: &branchPanelState{SelectedLine: 0},
+			Commits:  &commitPanelState{SelectedLine: -1},
+			Stash:    &stashPanelState{SelectedLine: -1},
+			Menu:     &menuPanelState{SelectedLine: 0},
+		},
+	}
+
+	gui := &Gui{
+		Log:           log,
+		GitCommand:    gitCommand,
+		OSCommand:     oSCommand,
+		State:         initialState,
+		Config:        config,
+		Tr:            tr,
+		Updater:       updater,
+		statusManager: &statusManager{},
+	}
+
+	gui.GenerateSentinelErrors()
+
+	return gui, nil
+}
+
+func (gui *Gui) scrollUpMain(g *gocui.Gui, v *gocui.View) error {
+	mainView, _ := g.View("main")
+	ox, oy := mainView.Origin()
+	if oy >= 1 {
+		return mainView.SetOrigin(ox, oy-gui.Config.GetUserConfig().GetInt("gui.scrollHeight"))
+	}
+	return nil
+}
+
+func (gui *Gui) scrollDownMain(g *gocui.Gui, v *gocui.View) error {
+	mainView, _ := g.View("main")
+	ox, oy := mainView.Origin()
+	y := oy
+	if !gui.Config.GetUserConfig().GetBool("gui.scrollPastBottom") {
+		_, sy := mainView.Size()
+		y += sy
+	}
+	if y < len(mainView.BufferLines()) {
+		return mainView.SetOrigin(ox, oy+gui.Config.GetUserConfig().GetInt("gui.scrollHeight"))
+	}
+	return nil
+}
+
+func (gui *Gui) handleRefresh(g *gocui.Gui, v *gocui.View) error {
+	return gui.refreshSidePanels(g)
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+// layout is called for every screen re-render e.g. when the screen is resized
+func (gui *Gui) layout(g *gocui.Gui) error {
+	g.Highlight = true
+	width, height := g.Size()
+	version := gui.Config.GetVersion()
+	leftSideWidth := width / 3
+	statusFilesBoundary := 2
+	filesBranchesBoundary := 2 * height / 5   // height - 20
+	commitsBranchesBoundary := 3 * height / 5 // height - 10
+	commitsStashBoundary := height - 5        // height - 5
+	optionsVersionBoundary := width - max(len(version), 1)
+	minimumHeight := 16
+	minimumWidth := 10
+
+	appStatus := gui.statusManager.getStatusString()
+	appStatusOptionsBoundary := 0
+	if appStatus != "" {
+		appStatusOptionsBoundary = len(appStatus) + 2
+	}
+
+	panelSpacing := 1
+	if OverlappingEdges {
+		panelSpacing = 0
+	}
+
+	if height < minimumHeight || width < minimumWidth {
+		v, err := g.SetView("limit", 0, 0, max(width-1, 2), max(height-1, 2), 0)
+		if err != nil {
+			if err != gocui.ErrUnknownView {
+				return err
+			}
+			v.Title = gui.Tr.SLocalize("NotEnoughSpace")
+			v.Wrap = true
+			g.SetViewOnTop("limit")
+		}
+		return nil
+	} else {
+		_, _ = g.SetViewOnBottom("limit")
+	}
+
+	g.DeleteView("limit")
+
+	optionsTop := height - 2
+	// hiding options if there's not enough space
+	if height < 30 {
+		optionsTop = height - 1
+	}
+
+	v, err := g.SetView("main", leftSideWidth+panelSpacing, 0, width-1, optionsTop, gocui.LEFT)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("DiffTitle")
+		v.Wrap = true
+		v.FgColor = gocui.ColorWhite
+	}
+
+	v, err = g.SetView("staging", leftSideWidth+panelSpacing, 0, width-1, optionsTop, gocui.LEFT)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("StagingTitle")
+		v.Highlight = true
+		v.FgColor = gocui.ColorWhite
+		if _, err := g.SetViewOnBottom("staging"); err != nil {
+			return err
+		}
+	}
+
+	if v, err := g.SetView("status", 0, 0, leftSideWidth, statusFilesBoundary, gocui.BOTTOM|gocui.RIGHT); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("StatusTitle")
+		v.FgColor = gocui.ColorWhite
+	}
+
+	filesView, err := g.SetView("files", 0, statusFilesBoundary+panelSpacing, leftSideWidth, filesBranchesBoundary, gocui.TOP|gocui.BOTTOM)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		filesView.Highlight = true
+		filesView.Title = gui.Tr.SLocalize("FilesTitle")
+		v.FgColor = gocui.ColorWhite
+	}
+
+	branchesView, err := g.SetView("branches", 0, filesBranchesBoundary+panelSpacing, leftSideWidth, commitsBranchesBoundary, gocui.TOP|gocui.BOTTOM)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		branchesView.Title = gui.Tr.SLocalize("BranchesTitle")
+		branchesView.FgColor = gocui.ColorWhite
+	}
+
+	if v, err := g.SetView("commits", 0, commitsBranchesBoundary+panelSpacing, leftSideWidth, commitsStashBoundary, gocui.TOP|gocui.BOTTOM); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("CommitsTitle")
+		v.FgColor = gocui.ColorWhite
+	}
+
+	if v, err := g.SetView("stash", 0, commitsStashBoundary+panelSpacing, leftSideWidth, optionsTop, gocui.TOP|gocui.RIGHT); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("StashTitle")
+		v.FgColor = gocui.ColorWhite
+	}
+
+	if v, err := g.SetView("options", appStatusOptionsBoundary-1, optionsTop, optionsVersionBoundary-1, optionsTop+2, 0); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Frame = false
+		if v.FgColor, err = gui.GetOptionsPanelTextColor(); err != nil {
+			return err
+		}
+	}
+
+	if gui.getCommitMessageView(g) == nil {
+		// doesn't matter where this view starts because it will be hidden
+		if commitMessageView, err := g.SetView("commitMessage", 0, 0, width/2, height/2, 0); err != nil {
+			if err != gocui.ErrUnknownView {
+				return err
+			}
+			g.SetViewOnBottom("commitMessage")
+			commitMessageView.Title = gui.Tr.SLocalize("CommitMessage")
+			commitMessageView.FgColor = gocui.ColorWhite
+			commitMessageView.Editable = true
+			commitMessageView.Editor = gocui.EditorFunc(gui.simpleEditor)
+		}
+	}
+
+	if check, _ := g.View("credentials"); check == nil {
+		// doesn't matter where this view starts because it will be hidden
+		if credentialsView, err := g.SetView("credentials", 0, 0, width/2, height/2, 0); err != nil {
+			if err != gocui.ErrUnknownView {
+				return err
+			}
+			_, err := g.SetViewOnBottom("credentials")
+			if err != nil {
+				return err
+			}
+			credentialsView.Title = gui.Tr.SLocalize("CredentialsUsername")
+			credentialsView.FgColor = gocui.ColorWhite
+			credentialsView.Editable = true
+			credentialsView.Editor = gocui.EditorFunc(gui.simpleEditor)
+		}
+	}
+
+	if appStatusView, err := g.SetView("appStatus", -1, optionsTop, width, optionsTop+2, 0); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		appStatusView.BgColor = gocui.ColorDefault
+		appStatusView.FgColor = gocui.ColorCyan
+		appStatusView.Frame = false
+		if _, err := g.SetViewOnBottom("appStatus"); err != nil {
+			return err
+		}
+	}
+
+	if v, err := g.SetView("version", optionsVersionBoundary-1, optionsTop, width, optionsTop+2, 0); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.BgColor = gocui.ColorDefault
+		v.FgColor = gocui.ColorGreen
+		v.Frame = false
+		if err := gui.renderString(g, "version", version); err != nil {
+			return err
+		}
+
+		// these are only called once (it's a place to put all the things you want
+		// to happen on startup after the screen is first rendered)
+		gui.Updater.CheckForNewUpdate(gui.onBackgroundUpdateCheckFinish, false)
+		if err := gui.updateRecentRepoList(); err != nil {
+			return err
+		}
+		gui.waitForIntro.Done()
+
+		if _, err := gui.g.SetCurrentView(filesView.Name()); err != nil {
+			return err
+		}
+
+		if err := gui.refreshSidePanels(gui.g); err != nil {
+			return err
+		}
+
+		if err := gui.switchFocus(g, nil, filesView); err != nil {
+			return err
+		}
+
+		if gui.Config.GetUserConfig().GetString("reporting") == "undetermined" {
+			if err := gui.promptAnonymousReporting(); err != nil {
+				return err
+			}
+		}
+	}
+
+	listViews := map[*gocui.View]int{
+		filesView:    gui.State.Panels.Files.SelectedLine,
+		branchesView: gui.State.Panels.Branches.SelectedLine,
+	}
+	for view, selectedLine := range listViews {
+		// check if the selected line is now out of view and if so refocus it
+		if err := gui.focusPoint(0, selectedLine, view); err != nil {
+			return err
+		}
+	}
+
+	// here is a good place log some stuff
+	// if you download humanlog and do tail -f development.log | humanlog
+	// this will let you see these branches as prettified json
+	// gui.Log.Info(utils.AsJson(gui.State.Branches[0:4]))
+	return gui.resizeCurrentPopupPanel(g)
+}
+
+func (gui *Gui) promptAnonymousReporting() error {
+	return gui.createConfirmationPanel(gui.g, nil, gui.Tr.SLocalize("AnonymousReportingTitle"), gui.Tr.SLocalize("AnonymousReportingPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+		gui.waitForIntro.Done()
+		return gui.Config.WriteToUserConfig("reporting", "on")
+	}, func(g *gocui.Gui, v *gocui.View) error {
+		gui.waitForIntro.Done()
+		return gui.Config.WriteToUserConfig("reporting", "off")
+	})
+}
+
+func (gui *Gui) fetch(g *gocui.Gui, v *gocui.View, canAskForCredentials bool) (unamePassOpend bool, err error) {
+	unamePassOpend = false
+	err = gui.GitCommand.Fetch(func(passOrUname string) string {
+		unamePassOpend = true
+		return gui.waitForPassUname(gui.g, v, passOrUname)
+	}, canAskForCredentials)
+
+	if canAskForCredentials && err != nil && strings.Contains(err.Error(), "exit status 128") {
+		colorFunction := color.New(color.FgRed).SprintFunc()
+		coloredMessage := colorFunction(strings.TrimSpace(gui.Tr.SLocalize("PassUnameWrong")))
+		close := func(g *gocui.Gui, v *gocui.View) error {
+			return nil
+		}
+		_ = gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("Error"), coloredMessage, close, close)
+	}
+
+	gui.refreshStatus(g)
+	return unamePassOpend, err
+}
+
+func (gui *Gui) updateLoader(g *gocui.Gui) error {
+	gui.g.Update(func(g *gocui.Gui) error {
+		if view, _ := g.View("confirmation"); view != nil {
+			content := gui.trimmedContent(view)
+			if strings.Contains(content, "...") {
+				staticContent := strings.Split(content, "...")[0] + "..."
+				if err := gui.setViewContent(g, view, staticContent+" "+utils.Loader()); err != nil {
+					return err
+				}
+			}
+		}
+		return nil
+	})
+
+	return nil
+}
+
+func (gui *Gui) renderAppStatus(g *gocui.Gui) error {
+	appStatus := gui.statusManager.getStatusString()
+	if appStatus != "" {
+		return gui.renderString(gui.g, "appStatus", appStatus)
+	}
+	return nil
+}
+
+func (gui *Gui) renderGlobalOptions() error {
+	return gui.renderOptionsMap(map[string]string{
+		"PgUp/PgDn": gui.Tr.SLocalize("scroll"),
+		"← → ↑ ↓":   gui.Tr.SLocalize("navigate"),
+		"esc/q":     gui.Tr.SLocalize("close"),
+		"x":         gui.Tr.SLocalize("menu"),
+	})
+}
+
+func (gui *Gui) goEvery(g *gocui.Gui, interval time.Duration, function func(*gocui.Gui) error) {
+	go func() {
+		for range time.Tick(interval) {
+			function(g)
+		}
+	}()
+}
+
+// Run setup the gui with keybindings and start the mainloop
+func (gui *Gui) Run() error {
+	g, err := gocui.NewGui(gocui.OutputNormal, OverlappingEdges)
+	if err != nil {
+		return err
+	}
+	defer g.Close()
+
+	gui.g = g // TODO: always use gui.g rather than passing g around everywhere
+
+	if err := gui.SetColorScheme(); err != nil {
+		return err
+	}
+
+	if gui.Config.GetUserConfig().GetString("reporting") == "undetermined" {
+		gui.waitForIntro.Add(2)
+	} else {
+		gui.waitForIntro.Add(1)
+	}
+
+	go func() {
+		gui.waitForIntro.Wait()
+		isNew := gui.Config.GetIsNewRepo()
+		if !isNew {
+			time.After(60 * time.Second)
+		}
+		_, err := gui.fetch(g, g.CurrentView(), false)
+		if err != nil && strings.Contains(err.Error(), "exit status 128") && isNew {
+			_ = gui.createConfirmationPanel(g, g.CurrentView(), gui.Tr.SLocalize("NoAutomaticGitFetchTitle"), gui.Tr.SLocalize("NoAutomaticGitFetchBody"), nil, nil)
+		} else {
+			gui.goEvery(g, time.Second*60, func(g *gocui.Gui) error {
+				_, err := gui.fetch(g, g.CurrentView(), false)
+				return err
+			})
+		}
+	}()
+	gui.goEvery(g, time.Second*10, gui.refreshFiles)
+	gui.goEvery(g, time.Millisecond*50, gui.updateLoader)
+	gui.goEvery(g, time.Millisecond*50, gui.renderAppStatus)
+
+	g.SetManagerFunc(gui.layout)
+
+	if err = gui.keybindings(g); err != nil {
+		return err
+	}
+
+	err = g.MainLoop()
+	return err
+}
+
+// RunWithSubprocesses loops, instantiating a new gocui.Gui with each iteration
+// if the error returned from a run is a ErrSubProcess, it runs the subprocess
+// otherwise it handles the error, possibly by quitting the application
+func (gui *Gui) RunWithSubprocesses() {
+	for {
+		if err := gui.Run(); err != nil {
+			if err == gocui.ErrQuit {
+				break
+			} else if err == gui.Errors.ErrSwitchRepo {
+				continue
+			} else if err == gui.Errors.ErrSubProcess {
+				gui.SubProcess.Stdin = os.Stdin
+				gui.SubProcess.Stdout = os.Stdout
+				gui.SubProcess.Stderr = os.Stderr
+				gui.SubProcess.Run()
+				gui.SubProcess.Stdout = ioutil.Discard
+				gui.SubProcess.Stderr = ioutil.Discard
+				gui.SubProcess.Stdin = nil
+				gui.SubProcess = nil
+			} else {
+				log.Panicln(err)
+			}
+		}
+	}
+}
+
+func (gui *Gui) quit(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Updating {
+		return gui.createUpdateQuitConfirmation(g, v)
+	}
+	if gui.Config.GetUserConfig().GetBool("confirmOnQuit") {
+		return gui.createConfirmationPanel(g, v, "", gui.Tr.SLocalize("ConfirmQuit"), func(g *gocui.Gui, v *gocui.View) error {
+			return gocui.ErrQuit
+		}, nil)
+	}
+	return gocui.ErrQuit
+}

pkg/gui/keybindings.go

@@ -0,0 +1,524 @@
+package gui
+
+import (
+	"github.com/jesseduffield/gocui"
+)
+
+// Binding - a keybinding mapping a key and modifier to a handler. The keypress
+// is only handled if the given view has focus, or handled globally if the view
+// is ""
+type Binding struct {
+	ViewName    string
+	Handler     func(*gocui.Gui, *gocui.View) error
+	Key         interface{} // FIXME: find out how to get `gocui.Key | rune`
+	Modifier    gocui.Modifier
+	Description string
+}
+
+// GetDisplayStrings returns the display string of a file
+func (b *Binding) GetDisplayStrings() []string {
+	return []string{b.GetKey(), b.Description}
+}
+
+// GetKey is a function.
+func (b *Binding) GetKey() string {
+	key := 0
+
+	switch b.Key.(type) {
+	case rune:
+		key = int(b.Key.(rune))
+	case gocui.Key:
+		key = int(b.Key.(gocui.Key))
+	}
+
+	// special keys
+	switch key {
+	case 27:
+		return "esc"
+	case 13:
+		return "enter"
+	case 32:
+		return "space"
+	}
+
+	return string(key)
+}
+
+// GetKeybindings is a function.
+func (gui *Gui) GetKeybindings() []*Binding {
+	bindings := []*Binding{
+		{
+			ViewName: "",
+			Key:      'q',
+			Modifier: gocui.ModNone,
+			Handler:  gui.quit,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyCtrlC,
+			Modifier: gocui.ModNone,
+			Handler:  gui.quit,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.quit,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyPgup,
+			Modifier: gocui.ModNone,
+			Handler:  gui.scrollUpMain,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyPgdn,
+			Modifier: gocui.ModNone,
+			Handler:  gui.scrollDownMain,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyCtrlU,
+			Modifier: gocui.ModNone,
+			Handler:  gui.scrollUpMain,
+		}, {
+			ViewName: "",
+			Key:      gocui.KeyCtrlD,
+			Modifier: gocui.ModNone,
+			Handler:  gui.scrollDownMain,
+		}, {
+			ViewName:    "",
+			Key:         'P',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.pushFiles,
+			Description: gui.Tr.SLocalize("push"),
+		}, {
+			ViewName:    "",
+			Key:         'p',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.pullFiles,
+			Description: gui.Tr.SLocalize("pull"),
+		}, {
+			ViewName:    "",
+			Key:         'R',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleRefresh,
+			Description: gui.Tr.SLocalize("refresh"),
+		}, {
+			ViewName: "",
+			Key:      'x',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleCreateOptionsMenu,
+		}, {
+			ViewName:    "status",
+			Key:         'e',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleEditConfig,
+			Description: gui.Tr.SLocalize("EditConfig"),
+		}, {
+			ViewName:    "status",
+			Key:         'o',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleOpenConfig,
+			Description: gui.Tr.SLocalize("OpenConfig"),
+		}, {
+			ViewName:    "status",
+			Key:         'u',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCheckForUpdate,
+			Description: gui.Tr.SLocalize("checkForUpdate"),
+		}, {
+			ViewName:    "status",
+			Key:         's',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCreateRecentReposMenu,
+			Description: gui.Tr.SLocalize("SwitchRepo"),
+		},
+		{
+			ViewName:    "files",
+			Key:         'c',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCommitPress,
+			Description: gui.Tr.SLocalize("CommitChanges"),
+		}, {
+			ViewName:    "files",
+			Key:         'A',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleAmendCommitPress,
+			Description: gui.Tr.SLocalize("AmendLastCommit"),
+		}, {
+			ViewName:    "files",
+			Key:         'C',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCommitEditorPress,
+			Description: gui.Tr.SLocalize("CommitChangesWithEditor"),
+		}, {
+			ViewName:    "files",
+			Key:         gocui.KeySpace,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFilePress,
+			Description: gui.Tr.SLocalize("toggleStaged"),
+		}, {
+			ViewName:    "files",
+			Key:         'd',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFileRemove,
+			Description: gui.Tr.SLocalize("removeFile"),
+		}, {
+			ViewName:    "files",
+			Key:         'm',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleSwitchToMerge,
+			Description: gui.Tr.SLocalize("resolveMergeConflicts"),
+		}, {
+			ViewName:    "files",
+			Key:         'e',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFileEdit,
+			Description: gui.Tr.SLocalize("editFile"),
+		}, {
+			ViewName:    "files",
+			Key:         'o',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFileOpen,
+			Description: gui.Tr.SLocalize("openFile"),
+		}, {
+			ViewName:    "files",
+			Key:         'i',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleIgnoreFile,
+			Description: gui.Tr.SLocalize("ignoreFile"),
+		}, {
+			ViewName:    "files",
+			Key:         'r',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleRefreshFiles,
+			Description: gui.Tr.SLocalize("refreshFiles"),
+		}, {
+			ViewName:    "files",
+			Key:         'S',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStashSave,
+			Description: gui.Tr.SLocalize("stashFiles"),
+		}, {
+			ViewName:    "files",
+			Key:         'M',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleAbortMerge,
+			Description: gui.Tr.SLocalize("abortMerge"),
+		}, {
+			ViewName:    "files",
+			Key:         'a',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStageAll,
+			Description: gui.Tr.SLocalize("toggleStagedAll"),
+		}, {
+			ViewName:    "files",
+			Key:         't',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleAddPatch,
+			Description: gui.Tr.SLocalize("addPatch"),
+		}, {
+			ViewName:    "files",
+			Key:         'D',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleResetAndClean,
+			Description: gui.Tr.SLocalize("resetHard"),
+		}, {
+			ViewName:    "files",
+			Key:         gocui.KeyEnter,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleSwitchToStagingPanel,
+			Description: gui.Tr.SLocalize("StageLines"),
+		}, {
+			ViewName:    "files",
+			Key:         'f',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleGitFetch,
+			Description: gui.Tr.SLocalize("fetch"),
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleEscapeMerge,
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeySpace,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handlePickHunk,
+		}, {
+			ViewName: "main",
+			Key:      'b',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handlePickBothHunks,
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeyArrowLeft,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectPrevConflict,
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeyArrowRight,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectNextConflict,
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeyArrowUp,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectTop,
+		}, {
+			ViewName: "main",
+			Key:      gocui.KeyArrowDown,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectBottom,
+		}, {
+			ViewName: "main",
+			Key:      'h',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectPrevConflict,
+		}, {
+			ViewName: "main",
+			Key:      'l',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectNextConflict,
+		}, {
+			ViewName: "main",
+			Key:      'k',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectTop,
+		}, {
+			ViewName: "main",
+			Key:      'j',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSelectBottom,
+		}, {
+			ViewName: "main",
+			Key:      'z',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handlePopFileSnapshot,
+		}, {
+			ViewName:    "branches",
+			Key:         gocui.KeySpace,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleBranchPress,
+			Description: gui.Tr.SLocalize("checkout"),
+		}, {
+			ViewName:    "branches",
+			Key:         'o',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCreatePullRequestPress,
+			Description: gui.Tr.SLocalize("createPullRequest"),
+		}, {
+			ViewName:    "branches",
+			Key:         'c',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCheckoutByName,
+			Description: gui.Tr.SLocalize("checkoutByName"),
+		}, {
+			ViewName:    "branches",
+			Key:         'F',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleForceCheckout,
+			Description: gui.Tr.SLocalize("forceCheckout"),
+		}, {
+			ViewName:    "branches",
+			Key:         'n',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleNewBranch,
+			Description: gui.Tr.SLocalize("newBranch"),
+		}, {
+			ViewName:    "branches",
+			Key:         'd',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleDeleteBranch,
+			Description: gui.Tr.SLocalize("deleteBranch"),
+		}, {
+			ViewName:    "branches",
+			Key:         'm',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleMerge,
+			Description: gui.Tr.SLocalize("mergeIntoCurrentBranch"),
+		}, {
+			ViewName:    "branches",
+			Key:         'f',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFastForward,
+			Description: gui.Tr.SLocalize("FastForward"),
+		}, {
+			ViewName:    "commits",
+			Key:         's',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCommitSquashDown,
+			Description: gui.Tr.SLocalize("squashDown"),
+		}, {
+			ViewName:    "commits",
+			Key:         'r',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleRenameCommit,
+			Description: gui.Tr.SLocalize("renameCommit"),
+		}, {
+			ViewName:    "commits",
+			Key:         'R',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleRenameCommitEditor,
+			Description: gui.Tr.SLocalize("renameCommitEditor"),
+		}, {
+			ViewName:    "commits",
+			Key:         'g',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleResetToCommit,
+			Description: gui.Tr.SLocalize("resetToThisCommit"),
+		}, {
+			ViewName:    "commits",
+			Key:         'f',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleCommitFixup,
+			Description: gui.Tr.SLocalize("fixupCommit"),
+		}, {
+			ViewName:    "stash",
+			Key:         gocui.KeySpace,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStashApply,
+			Description: gui.Tr.SLocalize("apply"),
+		}, {
+			ViewName:    "stash",
+			Key:         'g',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStashPop,
+			Description: gui.Tr.SLocalize("pop"),
+		}, {
+			ViewName:    "stash",
+			Key:         'd',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStashDrop,
+			Description: gui.Tr.SLocalize("drop"),
+		}, {
+			ViewName: "commitMessage",
+			Key:      gocui.KeyEnter,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleCommitConfirm,
+		}, {
+			ViewName: "commitMessage",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleCommitClose,
+		}, {
+			ViewName: "credentials",
+			Key:      gocui.KeyEnter,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSubmitCredential,
+		}, {
+			ViewName: "credentials",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleCloseCredentialsView,
+		}, {
+			ViewName: "menu",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleMenuClose,
+		}, {
+			ViewName: "menu",
+			Key:      'q',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleMenuClose,
+		}, {
+			ViewName:    "staging",
+			Key:         gocui.KeyEsc,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStagingEscape,
+			Description: gui.Tr.SLocalize("EscapeStaging"),
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowUp,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevLine,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowDown,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextLine,
+		}, {
+			ViewName: "staging",
+			Key:      'k',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevLine,
+		}, {
+			ViewName: "staging",
+			Key:      'j',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextLine,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowLeft,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevHunk,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowRight,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextHunk,
+		}, {
+			ViewName: "staging",
+			Key:      'h',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevHunk,
+		}, {
+			ViewName: "staging",
+			Key:      'l',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextHunk,
+		}, {
+			ViewName:    "staging",
+			Key:         gocui.KeySpace,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStageLine,
+			Description: gui.Tr.SLocalize("StageLine"),
+		}, {
+			ViewName:    "staging",
+			Key:         'a',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStageHunk,
+			Description: gui.Tr.SLocalize("StageHunk"),
+		},
+	}
+
+	for _, viewName := range []string{"status", "branches", "files", "commits", "stash", "menu"} {
+		bindings = append(bindings, []*Binding{
+			{ViewName: viewName, Key: gocui.KeyTab, Modifier: gocui.ModNone, Handler: gui.nextView},
+			{ViewName: viewName, Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: gui.previousView},
+			{ViewName: viewName, Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: gui.nextView},
+			{ViewName: viewName, Key: 'h', Modifier: gocui.ModNone, Handler: gui.previousView},
+			{ViewName: viewName, Key: 'l', Modifier: gocui.ModNone, Handler: gui.nextView},
+		}...)
+	}
+
+	listPanelMap := map[string]struct {
+		prevLine func(*gocui.Gui, *gocui.View) error
+		nextLine func(*gocui.Gui, *gocui.View) error
+	}{
+		"menu":     {prevLine: gui.handleMenuPrevLine, nextLine: gui.handleMenuNextLine},
+		"files":    {prevLine: gui.handleFilesPrevLine, nextLine: gui.handleFilesNextLine},
+		"branches": {prevLine: gui.handleBranchesPrevLine, nextLine: gui.handleBranchesNextLine},
+		"commits":  {prevLine: gui.handleCommitsPrevLine, nextLine: gui.handleCommitsNextLine},
+		"stash":    {prevLine: gui.handleStashPrevLine, nextLine: gui.handleStashNextLine},
+	}
+
+	for viewName, functions := range listPanelMap {
+		bindings = append(bindings, []*Binding{
+			{ViewName: viewName, Key: 'k', Modifier: gocui.ModNone, Handler: functions.prevLine},
+			{ViewName: viewName, Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: functions.prevLine},
+			{ViewName: viewName, Key: 'j', Modifier: gocui.ModNone, Handler: functions.nextLine},
+			{ViewName: viewName, Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: functions.nextLine},
+		}...)
+	}
+
+	return bindings
+}
+
+func (gui *Gui) keybindings(g *gocui.Gui) error {
+	bindings := gui.GetKeybindings()
+
+	for _, binding := range bindings {
+		if err := g.SetKeybinding(binding.ViewName, binding.Key, binding.Modifier, binding.Handler); err != nil {
+			return err
+		}
+	}
+	return nil
+}

pkg/gui/menu_panel.go

@@ -0,0 +1,84 @@
+package gui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// list panel functions
+
+func (gui *Gui) handleMenuSelect(g *gocui.Gui, v *gocui.View) error {
+	return gui.focusPoint(0, gui.State.Panels.Menu.SelectedLine, v)
+}
+
+func (gui *Gui) handleMenuNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Menu
+	gui.changeSelectedLine(&panelState.SelectedLine, v.LinesHeight(), false)
+
+	return gui.handleMenuSelect(g, v)
+}
+
+func (gui *Gui) handleMenuPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Menu
+	gui.changeSelectedLine(&panelState.SelectedLine, v.LinesHeight(), true)
+
+	return gui.handleMenuSelect(g, v)
+}
+
+// specific functions
+
+func (gui *Gui) renderMenuOptions() error {
+	optionsMap := map[string]string{
+		"esc/q": gui.Tr.SLocalize("close"),
+		"↑ ↓":   gui.Tr.SLocalize("navigate"),
+		"space": gui.Tr.SLocalize("execute"),
+	}
+	return gui.renderOptionsMap(optionsMap)
+}
+
+func (gui *Gui) handleMenuClose(g *gocui.Gui, v *gocui.View) error {
+	if err := g.DeleteKeybinding("menu", gocui.KeySpace, gocui.ModNone); err != nil {
+		return err
+	}
+	err := g.DeleteView("menu")
+	if err != nil {
+		return err
+	}
+	return gui.returnFocus(g, v)
+}
+
+func (gui *Gui) createMenu(items interface{}, handlePress func(int) error) error {
+	list, err := utils.RenderList(items)
+	if err != nil {
+		return err
+	}
+
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, false, list)
+	menuView, _ := gui.g.SetView("menu", x0, y0, x1, y1, 0)
+	menuView.Title = strings.Title(gui.Tr.SLocalize("menu"))
+	menuView.FgColor = gocui.ColorWhite
+	menuView.Clear()
+	fmt.Fprint(menuView, list)
+	gui.State.Panels.Menu.SelectedLine = 0
+
+	wrappedHandlePress := func(g *gocui.Gui, v *gocui.View) error {
+		selectedLine := gui.State.Panels.Menu.SelectedLine
+		return handlePress(selectedLine)
+	}
+
+	if err := gui.g.SetKeybinding("menu", gocui.KeySpace, gocui.ModNone, wrappedHandlePress); err != nil {
+		return err
+	}
+
+	gui.g.Update(func(g *gocui.Gui) error {
+		if _, err := g.SetViewOnTop("menu"); err != nil {
+			return err
+		}
+		currentView := gui.g.CurrentView()
+		return gui.switchFocus(gui.g, currentView, menuView)
+	})
+	return nil
+}

pkg/gui/merge_panel.go

@@ -0,0 +1,260 @@
+// though this panel is called the merge panel, it's really going to use the main panel. This may change in the future
+
+package gui
+
+import (
+	"bufio"
+	"bytes"
+	"io/ioutil"
+	"math"
+	"os"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func (gui *Gui) findConflicts(content string) ([]commands.Conflict, error) {
+	conflicts := make([]commands.Conflict, 0)
+	var newConflict commands.Conflict
+	for i, line := range utils.SplitLines(content) {
+		if line == "<<<<<<< HEAD" || line == "<<<<<<< MERGE_HEAD" || line == "<<<<<<< Updated upstream" {
+			newConflict = commands.Conflict{Start: i}
+		} else if line == "=======" {
+			newConflict.Middle = i
+		} else if strings.HasPrefix(line, ">>>>>>> ") {
+			newConflict.End = i
+			conflicts = append(conflicts, newConflict)
+		}
+	}
+	return conflicts, nil
+}
+
+func (gui *Gui) shiftConflict(conflicts []commands.Conflict) (commands.Conflict, []commands.Conflict) {
+	return conflicts[0], conflicts[1:]
+}
+
+func (gui *Gui) shouldHighlightLine(index int, conflict commands.Conflict, top bool) bool {
+	return (index >= conflict.Start && index <= conflict.Middle && top) || (index >= conflict.Middle && index <= conflict.End && !top)
+}
+
+func (gui *Gui) coloredConflictFile(content string, conflicts []commands.Conflict, conflictIndex int, conflictTop, hasFocus bool) (string, error) {
+	if len(conflicts) == 0 {
+		return content, nil
+	}
+	conflict, remainingConflicts := gui.shiftConflict(conflicts)
+	var outputBuffer bytes.Buffer
+	for i, line := range utils.SplitLines(content) {
+		colourAttr := color.FgWhite
+		if i == conflict.Start || i == conflict.Middle || i == conflict.End {
+			colourAttr = color.FgRed
+		}
+		colour := color.New(colourAttr)
+		if hasFocus && conflictIndex < len(conflicts) && conflicts[conflictIndex] == conflict && gui.shouldHighlightLine(i, conflict, conflictTop) {
+			colour.Add(color.Bold)
+		}
+		if i == conflict.End && len(remainingConflicts) > 0 {
+			conflict, remainingConflicts = gui.shiftConflict(remainingConflicts)
+		}
+		outputBuffer.WriteString(utils.ColoredStringDirect(line, colour) + "\n")
+	}
+	return outputBuffer.String(), nil
+}
+
+func (gui *Gui) handleSelectTop(g *gocui.Gui, v *gocui.View) error {
+	gui.State.ConflictTop = true
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) handleSelectBottom(g *gocui.Gui, v *gocui.View) error {
+	gui.State.ConflictTop = false
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.ConflictIndex >= len(gui.State.Conflicts)-1 {
+		return nil
+	}
+	gui.State.ConflictIndex++
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) handleSelectPrevConflict(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.ConflictIndex <= 0 {
+		return nil
+	}
+	gui.State.ConflictIndex--
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) isIndexToDelete(i int, conflict commands.Conflict, pick string) bool {
+	return i == conflict.Middle ||
+		i == conflict.Start ||
+		i == conflict.End ||
+		pick != "both" &&
+			(pick == "bottom" && i > conflict.Start && i < conflict.Middle) ||
+		(pick == "top" && i > conflict.Middle && i < conflict.End)
+}
+
+func (gui *Gui) resolveConflict(g *gocui.Gui, conflict commands.Conflict, pick string) error {
+	gitFile, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	file, err := os.Open(gitFile.Name)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	output := ""
+	for i := 0; true; i++ {
+		line, err := reader.ReadString('\n')
+		if err != nil {
+			break
+		}
+		if !gui.isIndexToDelete(i, conflict, pick) {
+			output += line
+		}
+	}
+	gui.Log.Info(output)
+	return ioutil.WriteFile(gitFile.Name, []byte(output), 0644)
+}
+
+func (gui *Gui) pushFileSnapshot(g *gocui.Gui) error {
+	gitFile, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	content, err := gui.GitCommand.CatFile(gitFile.Name)
+	if err != nil {
+		return err
+	}
+	gui.State.EditHistory.Push(content)
+	return nil
+}
+
+func (gui *Gui) handlePopFileSnapshot(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.EditHistory.Len() == 0 {
+		return nil
+	}
+	prevContent := gui.State.EditHistory.Pop().(string)
+	gitFile, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	ioutil.WriteFile(gitFile.Name, []byte(prevContent), 0644)
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) handlePickHunk(g *gocui.Gui, v *gocui.View) error {
+	conflict := gui.State.Conflicts[gui.State.ConflictIndex]
+	gui.pushFileSnapshot(g)
+	pick := "bottom"
+	if gui.State.ConflictTop {
+		pick = "top"
+	}
+	err := gui.resolveConflict(g, conflict, pick)
+	if err != nil {
+		panic(err)
+	}
+	gui.refreshMergePanel(g)
+	return nil
+}
+
+func (gui *Gui) handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
+	conflict := gui.State.Conflicts[gui.State.ConflictIndex]
+	gui.pushFileSnapshot(g)
+	err := gui.resolveConflict(g, conflict, "both")
+	if err != nil {
+		panic(err)
+	}
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) refreshMergePanel(g *gocui.Gui) error {
+	cat, err := gui.catSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	if cat == "" {
+		return nil
+	}
+	gui.State.Conflicts, err = gui.findConflicts(cat)
+	if err != nil {
+		return err
+	}
+
+	if len(gui.State.Conflicts) == 0 {
+		return gui.handleCompleteMerge(g)
+	} else if gui.State.ConflictIndex > len(gui.State.Conflicts)-1 {
+		gui.State.ConflictIndex = len(gui.State.Conflicts) - 1
+	}
+	hasFocus := gui.currentViewName(g) == "main"
+	content, err := gui.coloredConflictFile(cat, gui.State.Conflicts, gui.State.ConflictIndex, gui.State.ConflictTop, hasFocus)
+	if err != nil {
+		return err
+	}
+	if err := gui.scrollToConflict(g); err != nil {
+		return err
+	}
+	return gui.renderString(g, "main", content)
+}
+
+func (gui *Gui) scrollToConflict(g *gocui.Gui) error {
+	mainView, err := g.View("main")
+	if err != nil {
+		return err
+	}
+	if len(gui.State.Conflicts) == 0 {
+		return nil
+	}
+	conflict := gui.State.Conflicts[gui.State.ConflictIndex]
+	ox, _ := mainView.Origin()
+	_, height := mainView.Size()
+	conflictMiddle := (conflict.End + conflict.Start) / 2
+	newOriginY := int(math.Max(0, float64(conflictMiddle-(height/2))))
+	return mainView.SetOrigin(ox, newOriginY)
+}
+
+func (gui *Gui) switchToMerging(g *gocui.Gui) error {
+	gui.State.ConflictIndex = 0
+	gui.State.ConflictTop = true
+	_, err := g.SetCurrentView("main")
+	if err != nil {
+		return err
+	}
+	return gui.refreshMergePanel(g)
+}
+
+func (gui *Gui) renderMergeOptions() error {
+	return gui.renderOptionsMap(map[string]string{
+		"↑ ↓":   gui.Tr.SLocalize("selectHunk"),
+		"← →":   gui.Tr.SLocalize("navigateConflicts"),
+		"space": gui.Tr.SLocalize("pickHunk"),
+		"b":     gui.Tr.SLocalize("pickBothHunks"),
+		"z":     gui.Tr.SLocalize("undo"),
+	})
+}
+
+func (gui *Gui) handleEscapeMerge(g *gocui.Gui, v *gocui.View) error {
+	filesView, err := g.View("files")
+	if err != nil {
+		return err
+	}
+	gui.refreshFiles(g)
+	return gui.switchFocus(g, v, filesView)
+}
+
+func (gui *Gui) handleCompleteMerge(g *gocui.Gui) error {
+	filesView, err := g.View("files")
+	if err != nil {
+		return err
+	}
+	gui.stageSelectedFile(g)
+	gui.refreshFiles(g)
+	return gui.switchFocus(g, nil, filesView)
+}

pkg/gui/options_menu_panel.go

@@ -0,0 +1,51 @@
+package gui
+
+import (
+	"errors"
+
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) getBindings(v *gocui.View) []*Binding {
+	var (
+		bindingsGlobal, bindingsPanel []*Binding
+	)
+
+	bindings := gui.GetKeybindings()
+
+	for _, binding := range bindings {
+		if binding.GetKey() != "" && binding.Description != "" {
+			switch binding.ViewName {
+			case "":
+				bindingsGlobal = append(bindingsGlobal, binding)
+			case v.Name():
+				bindingsPanel = append(bindingsPanel, binding)
+			}
+		}
+	}
+
+	// append dummy element to have a separator between
+	// panel and global keybindings
+	bindingsPanel = append(bindingsPanel, &Binding{})
+	return append(bindingsPanel, bindingsGlobal...)
+}
+
+func (gui *Gui) handleCreateOptionsMenu(g *gocui.Gui, v *gocui.View) error {
+	bindings := gui.getBindings(v)
+
+	handleMenuPress := func(index int) error {
+		if bindings[index].Key == nil {
+			return nil
+		}
+		if index >= len(bindings) {
+			return errors.New("Index is greater than size of bindings")
+		}
+		err := gui.handleMenuClose(g, v)
+		if err != nil {
+			return err
+		}
+		return bindings[index].Handler(g, v)
+	}
+
+	return gui.createMenu(bindings, handleMenuPress)
+}

pkg/gui/recent_repos_panel.go

@@ -0,0 +1,76 @@
+package gui
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+type recentRepo struct {
+	path string
+}
+
+// GetDisplayStrings returns the path from a recent repo.
+func (r *recentRepo) GetDisplayStrings() []string {
+	yellow := color.New(color.FgMagenta)
+	base := filepath.Base(r.path)
+	path := yellow.Sprint(r.path)
+	return []string{base, path}
+}
+
+func (gui *Gui) handleCreateRecentReposMenu(g *gocui.Gui, v *gocui.View) error {
+	recentRepoPaths := gui.Config.GetAppState().RecentRepos
+	reposCount := utils.Min(len(recentRepoPaths), 20)
+	// we won't show the current repo hence the -1
+	recentRepos := make([]*recentRepo, reposCount-1)
+	for i, path := range recentRepoPaths[1:reposCount] {
+		recentRepos[i] = &recentRepo{path: path}
+	}
+
+	handleMenuPress := func(index int) error {
+		repo := recentRepos[index]
+		if err := os.Chdir(repo.path); err != nil {
+			return err
+		}
+		newGitCommand, err := commands.NewGitCommand(gui.Log, gui.OSCommand, gui.Tr)
+		if err != nil {
+			return err
+		}
+		gui.GitCommand = newGitCommand
+		return gui.Errors.ErrSwitchRepo
+	}
+
+	return gui.createMenu(recentRepos, handleMenuPress)
+}
+
+// updateRecentRepoList registers the fact that we opened lazygit in this repo,
+// so that we can open the same repo via the 'recent repos' menu
+func (gui *Gui) updateRecentRepoList() error {
+	recentRepos := gui.Config.GetAppState().RecentRepos
+	currentRepo, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	known, recentRepos := newRecentReposList(recentRepos, currentRepo)
+	gui.Config.SetIsNewRepo(known)
+	gui.Config.GetAppState().RecentRepos = recentRepos
+	return gui.Config.SaveAppState()
+}
+
+// newRecentReposList returns a new repo list with a new entry but only when it doesn't exist yet
+func newRecentReposList(recentRepos []string, currentRepo string) (bool, []string) {
+	isNew := true
+	newRepos := []string{currentRepo}
+	for _, repo := range recentRepos {
+		if repo != currentRepo {
+			newRepos = append(newRepos, repo)
+		} else {
+			isNew = false
+		}
+	}
+	return isNew, newRepos
+}

pkg/gui/staging_panel.go

@@ -0,0 +1,219 @@
+package gui
+
+import (
+	"errors"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/git"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func (gui *Gui) refreshStagingPanel() error {
+	file, err := gui.getSelectedFile(gui.g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return gui.handleStagingEscape(gui.g, nil)
+	}
+
+	if !file.HasUnstagedChanges {
+		return gui.handleStagingEscape(gui.g, nil)
+	}
+
+	// note for custom diffs, we'll need to send a flag here saying not to use the custom diff
+	diff := gui.GitCommand.Diff(file, true)
+	colorDiff := gui.GitCommand.Diff(file, false)
+
+	if len(diff) < 2 {
+		return gui.handleStagingEscape(gui.g, nil)
+	}
+
+	// parse the diff and store the line numbers of hunks and stageable lines
+	// TODO: maybe instantiate this at application start
+	p, err := git.NewPatchParser(gui.Log)
+	if err != nil {
+		return nil
+	}
+	hunkStarts, stageableLines, err := p.ParsePatch(diff)
+	if err != nil {
+		return nil
+	}
+
+	var selectedLine int
+	if gui.State.Panels.Staging != nil {
+		end := len(stageableLines) - 1
+		if end < gui.State.Panels.Staging.SelectedLine {
+			selectedLine = end
+		} else {
+			selectedLine = gui.State.Panels.Staging.SelectedLine
+		}
+	} else {
+		selectedLine = 0
+	}
+
+	gui.State.Panels.Staging = &stagingPanelState{
+		StageableLines: stageableLines,
+		HunkStarts:     hunkStarts,
+		SelectedLine:   selectedLine,
+		Diff:           diff,
+	}
+
+	if len(stageableLines) == 0 {
+		return errors.New("No lines to stage")
+	}
+
+	if err := gui.focusLineAndHunk(); err != nil {
+		return err
+	}
+	return gui.renderString(gui.g, "staging", colorDiff)
+}
+
+func (gui *Gui) handleStagingEscape(g *gocui.Gui, v *gocui.View) error {
+	if _, err := gui.g.SetViewOnBottom("staging"); err != nil {
+		return err
+	}
+
+	gui.State.Panels.Staging = nil
+
+	return gui.switchFocus(gui.g, nil, gui.getFilesView(gui.g))
+}
+
+func (gui *Gui) handleStagingPrevLine(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleLine(true)
+}
+
+func (gui *Gui) handleStagingNextLine(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleLine(false)
+}
+
+func (gui *Gui) handleStagingPrevHunk(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleHunk(true)
+}
+
+func (gui *Gui) handleStagingNextHunk(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleHunk(false)
+}
+
+func (gui *Gui) handleCycleHunk(prev bool) error {
+	state := gui.State.Panels.Staging
+	lineNumbers := state.StageableLines
+	currentLine := lineNumbers[state.SelectedLine]
+	currentHunkIndex := utils.PrevIndex(state.HunkStarts, currentLine)
+	var newHunkIndex int
+	if prev {
+		if currentHunkIndex == 0 {
+			newHunkIndex = len(state.HunkStarts) - 1
+		} else {
+			newHunkIndex = currentHunkIndex - 1
+		}
+	} else {
+		if currentHunkIndex == len(state.HunkStarts)-1 {
+			newHunkIndex = 0
+		} else {
+			newHunkIndex = currentHunkIndex + 1
+		}
+	}
+
+	state.SelectedLine = utils.NextIndex(lineNumbers, state.HunkStarts[newHunkIndex])
+
+	return gui.focusLineAndHunk()
+}
+
+func (gui *Gui) handleCycleLine(prev bool) error {
+	state := gui.State.Panels.Staging
+	lineNumbers := state.StageableLines
+	currentLine := lineNumbers[state.SelectedLine]
+	var newIndex int
+	if prev {
+		newIndex = utils.PrevIndex(lineNumbers, currentLine)
+	} else {
+		newIndex = utils.NextIndex(lineNumbers, currentLine)
+	}
+	state.SelectedLine = newIndex
+
+	return gui.focusLineAndHunk()
+}
+
+// focusLineAndHunk works out the best focus for the staging panel given the
+// selected line and size of the hunk
+func (gui *Gui) focusLineAndHunk() error {
+	stagingView := gui.getStagingView(gui.g)
+	state := gui.State.Panels.Staging
+
+	lineNumber := state.StageableLines[state.SelectedLine]
+
+	// we want the bottom line of the view buffer to ideally be the bottom line
+	// of the hunk, but if the hunk is too big we'll just go three lines beyond
+	// the currently selected line so that the user can see the context
+	var bottomLine int
+	nextHunkStartIndex := utils.NextIndex(state.HunkStarts, lineNumber)
+	if nextHunkStartIndex == 0 {
+		// for now linesHeight is an efficient means of getting the number of lines
+		// in the patch. However if we introduce word wrap we'll need to update this
+		bottomLine = stagingView.LinesHeight() - 1
+	} else {
+		bottomLine = state.HunkStarts[nextHunkStartIndex] - 1
+	}
+
+	hunkStartIndex := utils.PrevIndex(state.HunkStarts, lineNumber)
+	hunkStart := state.HunkStarts[hunkStartIndex]
+	// if it's the first hunk we'll also show the diff header
+	if hunkStartIndex == 0 {
+		hunkStart = 0
+	}
+
+	_, height := stagingView.Size()
+	// if this hunk is too big, we will just ensure that the user can at least
+	// see three lines of context below the cursor
+	if bottomLine-hunkStart > height {
+		bottomLine = lineNumber + 3
+	}
+
+	return gui.generalFocusLine(lineNumber, bottomLine, stagingView)
+}
+
+func (gui *Gui) handleStageHunk(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleStageLineOrHunk(true)
+}
+
+func (gui *Gui) handleStageLine(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleStageLineOrHunk(false)
+}
+
+func (gui *Gui) handleStageLineOrHunk(hunk bool) error {
+	state := gui.State.Panels.Staging
+	p, err := git.NewPatchModifier(gui.Log)
+	if err != nil {
+		return err
+	}
+
+	currentLine := state.StageableLines[state.SelectedLine]
+	var patch string
+	if hunk {
+		patch, err = p.ModifyPatchForHunk(state.Diff, state.HunkStarts, currentLine)
+	} else {
+		patch, err = p.ModifyPatchForLine(state.Diff, currentLine)
+	}
+	if err != nil {
+		return err
+	}
+
+	// for logging purposes
+	// ioutil.WriteFile("patch.diff", []byte(patch), 0600)
+
+	// apply the patch then refresh this panel
+	// create a new temp file with the patch, then call git apply with that patch
+	_, err = gui.GitCommand.ApplyPatch(patch)
+	if err != nil {
+		return err
+	}
+
+	if err := gui.refreshFiles(gui.g); err != nil {
+		return err
+	}
+	if err := gui.refreshStagingPanel(); err != nil {
+		return err
+	}
+	return nil
+}

pkg/gui/stash_panel.go

@@ -0,0 +1,120 @@
+package gui
+
+import (
+	"fmt"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// list panel functions
+
+func (gui *Gui) getSelectedStashEntry(v *gocui.View) *commands.StashEntry {
+	selectedLine := gui.State.Panels.Stash.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.StashEntries[selectedLine]
+}
+
+func (gui *Gui) handleStashEntrySelect(g *gocui.Gui, v *gocui.View) error {
+	stashEntry := gui.getSelectedStashEntry(v)
+	if stashEntry == nil {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoStashEntries"))
+	}
+	if err := gui.focusPoint(0, gui.State.Panels.Stash.SelectedLine, v); err != nil {
+		return err
+	}
+	go func() {
+		// doing this asynchronously cos it can take time
+		diff, _ := gui.GitCommand.GetStashEntryDiff(stashEntry.Index)
+		_ = gui.renderString(g, "main", diff)
+	}()
+	return nil
+}
+
+func (gui *Gui) refreshStashEntries(g *gocui.Gui) error {
+	g.Update(func(g *gocui.Gui) error {
+		gui.State.StashEntries = gui.GitCommand.GetStashEntries()
+
+		gui.refreshSelectedLine(&gui.State.Panels.Stash.SelectedLine, len(gui.State.StashEntries))
+
+		list, err := utils.RenderList(gui.State.StashEntries)
+		if err != nil {
+			return err
+		}
+
+		v := gui.getStashView(gui.g)
+		v.Clear()
+		fmt.Fprint(v, list)
+
+		return gui.resetOrigin(v)
+	})
+	return nil
+}
+
+func (gui *Gui) handleStashNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Stash
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.StashEntries), false)
+
+	return gui.handleStashEntrySelect(gui.g, v)
+}
+
+func (gui *Gui) handleStashPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Stash
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.StashEntries), true)
+
+	return gui.handleStashEntrySelect(gui.g, v)
+}
+
+// specific functions
+
+func (gui *Gui) handleStashApply(g *gocui.Gui, v *gocui.View) error {
+	return gui.stashDo(g, v, "apply")
+}
+
+func (gui *Gui) handleStashPop(g *gocui.Gui, v *gocui.View) error {
+	return gui.stashDo(g, v, "pop")
+}
+
+func (gui *Gui) handleStashDrop(g *gocui.Gui, v *gocui.View) error {
+	title := gui.Tr.SLocalize("StashDrop")
+	message := gui.Tr.SLocalize("SureDropStashEntry")
+	return gui.createConfirmationPanel(g, v, title, message, func(g *gocui.Gui, v *gocui.View) error {
+		return gui.stashDo(g, v, "drop")
+	}, nil)
+}
+
+func (gui *Gui) stashDo(g *gocui.Gui, v *gocui.View, method string) error {
+	stashEntry := gui.getSelectedStashEntry(v)
+	if stashEntry == nil {
+		errorMessage := gui.Tr.TemplateLocalize(
+			"NoStashTo",
+			Teml{
+				"method": method,
+			},
+		)
+		return gui.createErrorPanel(g, errorMessage)
+	}
+	if err := gui.GitCommand.StashDo(stashEntry.Index, method); err != nil {
+		gui.createErrorPanel(g, err.Error())
+	}
+	gui.refreshStashEntries(g)
+	return gui.refreshFiles(g)
+}
+
+func (gui *Gui) handleStashSave(g *gocui.Gui, filesView *gocui.View) error {
+	if len(gui.trackedFiles()) == 0 && len(gui.stagedFiles()) == 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoTrackedStagedFilesStash"))
+	}
+	gui.createPromptPanel(g, filesView, gui.Tr.SLocalize("StashChanges"), func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.StashSave(gui.trimmedContent(v)); err != nil {
+			gui.createErrorPanel(g, err.Error())
+		}
+		gui.refreshStashEntries(g)
+		return gui.refreshFiles(g)
+	})
+	return nil
+}

pkg/gui/status_panel.go

@@ -0,0 +1,86 @@
+package gui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func (gui *Gui) refreshStatus(g *gocui.Gui) error {
+	v, err := g.View("status")
+	if err != nil {
+		panic(err)
+	}
+	// for some reason if this isn't wrapped in an update the clear seems to
+	// be applied after the other things or something like that; the panel's
+	// contents end up cleared
+	g.Update(func(*gocui.Gui) error {
+		v.Clear()
+		pushables, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
+		fmt.Fprint(v, "↑"+pushables+"↓"+pullables)
+		branches := gui.State.Branches
+		if err := gui.updateHasMergeConflictStatus(); err != nil {
+			return err
+		}
+		if gui.State.HasMergeConflicts {
+			fmt.Fprint(v, utils.ColoredString(" (merging)", color.FgYellow))
+		}
+
+		if len(branches) == 0 {
+			return nil
+		}
+		branch := branches[0]
+		name := utils.ColoredString(branch.Name, branch.GetColor())
+		repo := utils.GetCurrentRepoName()
+		fmt.Fprint(v, " "+repo+" → "+name)
+		return nil
+	})
+
+	return nil
+}
+
+func (gui *Gui) handleCheckForUpdate(g *gocui.Gui, v *gocui.View) error {
+	gui.Updater.CheckForNewUpdate(gui.onUserUpdateCheckFinish, true)
+	return gui.createMessagePanel(gui.g, v, "", gui.Tr.SLocalize("CheckingForUpdates"))
+}
+
+func (gui *Gui) handleStatusSelect(g *gocui.Gui, v *gocui.View) error {
+	blue := color.New(color.FgBlue)
+
+	dashboardString := strings.Join(
+		[]string{
+			lazygitTitle(),
+			"Copyright (c) 2018 Jesse Duffield",
+			"Keybindings: https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md",
+			"Config Options: https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md",
+			"Tutorial: https://youtu.be/VDXvbHZYeKY",
+			"Raise an Issue: https://github.com/jesseduffield/lazygit/issues",
+			blue.Sprint("Buy Jesse a coffee: https://donorbox.org/lazygit"), // caffeine ain't free
+		}, "\n\n")
+
+	return gui.renderString(g, "main", dashboardString)
+}
+
+func (gui *Gui) handleOpenConfig(g *gocui.Gui, v *gocui.View) error {
+	return gui.openFile(gui.Config.GetUserConfig().ConfigFileUsed())
+}
+
+func (gui *Gui) handleEditConfig(g *gocui.Gui, v *gocui.View) error {
+	filename := gui.Config.GetUserConfig().ConfigFileUsed()
+	return gui.editFile(filename)
+}
+
+func lazygitTitle() string {
+	return `
+   _                       _ _
+  | |                     (_) |
+  | | __ _ _____   _  __ _ _| |_
+  | |/ _` + "`" + ` |_  / | | |/ _` + "`" + ` | | __|
+  | | (_| |/ /| |_| | (_| | | |_
+  |_|\__,_/___|\__, |\__, |_|\__|
+                __/ | __/ |
+               |___/ |___/       `
+}

pkg/gui/theme.go

@@ -0,0 +1,54 @@
+package gui
+
+import (
+	"github.com/jesseduffield/gocui"
+)
+
+// GetAttribute gets the gocui color attribute from the string
+func (gui *Gui) GetAttribute(key string) gocui.Attribute {
+	colorMap := map[string]gocui.Attribute{
+		"default":   gocui.ColorDefault,
+		"black":     gocui.ColorBlack,
+		"red":       gocui.ColorRed,
+		"green":     gocui.ColorGreen,
+		"yellow":    gocui.ColorYellow,
+		"blue":      gocui.ColorBlue,
+		"magenta":   gocui.ColorMagenta,
+		"cyan":      gocui.ColorCyan,
+		"white":     gocui.ColorWhite,
+		"bold":      gocui.AttrBold,
+		"reverse":   gocui.AttrReverse,
+		"underline": gocui.AttrUnderline,
+	}
+	value, present := colorMap[key]
+	if present {
+		return value
+	}
+	return gocui.ColorWhite
+}
+
+// GetColor bitwise OR's a list of attributes obtained via the given keys
+func (gui *Gui) GetColor(keys []string) gocui.Attribute {
+	var attribute gocui.Attribute
+	for _, key := range keys {
+		attribute = attribute | gui.GetAttribute(key)
+	}
+	return attribute
+}
+
+// GetOptionsPanelTextColor gets the color of the options panel text
+func (gui *Gui) GetOptionsPanelTextColor() (gocui.Attribute, error) {
+	userConfig := gui.Config.GetUserConfig()
+	optionsColor := userConfig.GetStringSlice("gui.theme.optionsTextColor")
+	return gui.GetColor(optionsColor), nil
+}
+
+// SetColorScheme sets the color scheme for the app based on the user config
+func (gui *Gui) SetColorScheme() error {
+	userConfig := gui.Config.GetUserConfig()
+	activeBorderColor := userConfig.GetStringSlice("gui.theme.activeBorderColor")
+	inactiveBorderColor := userConfig.GetStringSlice("gui.theme.inactiveBorderColor")
+	gui.g.FgColor = gui.GetColor(inactiveBorderColor)
+	gui.g.SelFgColor = gui.GetColor(activeBorderColor)
+	return nil
+}

pkg/gui/updates.go

@@ -0,0 +1,65 @@
+package gui
+
+import "github.com/jesseduffield/gocui"
+
+func (gui *Gui) showUpdatePrompt(newVersion string) error {
+	title := "New version available!"
+	message := "Download latest version? (enter/esc)"
+	currentView := gui.g.CurrentView()
+	return gui.createConfirmationPanel(gui.g, currentView, title, message, func(g *gocui.Gui, v *gocui.View) error {
+		gui.startUpdating(newVersion)
+		return nil
+	}, nil)
+}
+
+func (gui *Gui) onUserUpdateCheckFinish(newVersion string, err error) error {
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	if newVersion == "" {
+		return gui.createErrorPanel(gui.g, "New version not found")
+	}
+	return gui.showUpdatePrompt(newVersion)
+}
+
+func (gui *Gui) onBackgroundUpdateCheckFinish(newVersion string, err error) error {
+	if err != nil {
+		// ignoring the error for now so that I'm not annoying users
+		gui.Log.Error(err.Error())
+		return nil
+	}
+	if newVersion == "" {
+		return nil
+	}
+	if gui.Config.GetUserConfig().Get("update.method") == "background" {
+		gui.startUpdating(newVersion)
+		return nil
+	}
+	return gui.showUpdatePrompt(newVersion)
+}
+
+func (gui *Gui) startUpdating(newVersion string) {
+	gui.State.Updating = true
+	gui.statusManager.addWaitingStatus("updating")
+	gui.Updater.Update(newVersion, gui.onUpdateFinish)
+}
+
+func (gui *Gui) onUpdateFinish(err error) error {
+	gui.State.Updating = false
+	gui.statusManager.removeStatus("updating")
+	if err := gui.renderString(gui.g, "appStatus", ""); err != nil {
+		return err
+	}
+	if err != nil {
+		return gui.createErrorPanel(gui.g, "Update failed: "+err.Error())
+	}
+	return nil
+}
+
+func (gui *Gui) createUpdateQuitConfirmation(g *gocui.Gui, v *gocui.View) error {
+	title := "Currently Updating"
+	message := "An update is in progress. Are you sure you want to quit?"
+	return gui.createConfirmationPanel(gui.g, v, title, message, func(g *gocui.Gui, v *gocui.View) error {
+		return gocui.ErrQuit
+	}, nil)
+}

pkg/gui/view_helpers.go

@@ -0,0 +1,395 @@
+package gui
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/spkg/bom"
+)
+
+var cyclableViews = []string{"status", "files", "branches", "commits", "stash"}
+
+func (gui *Gui) refreshSidePanels(g *gocui.Gui) error {
+	if err := gui.refreshBranches(g); err != nil {
+		return err
+	}
+	if err := gui.refreshFiles(g); err != nil {
+		return err
+	}
+	if err := gui.refreshCommits(g); err != nil {
+		return err
+	}
+	return gui.refreshStashEntries(g)
+}
+
+func (gui *Gui) nextView(g *gocui.Gui, v *gocui.View) error {
+	var focusedViewName string
+	if v == nil || v.Name() == cyclableViews[len(cyclableViews)-1] {
+		focusedViewName = cyclableViews[0]
+	} else {
+		for i := range cyclableViews {
+			if v.Name() == cyclableViews[i] {
+				focusedViewName = cyclableViews[i+1]
+				break
+			}
+			if i == len(cyclableViews)-1 {
+				message := gui.Tr.TemplateLocalize(
+					"IssntListOfViews",
+					Teml{
+						"name": v.Name(),
+					},
+				)
+				gui.Log.Info(message)
+				return nil
+			}
+		}
+	}
+	focusedView, err := g.View(focusedViewName)
+	if err != nil {
+		panic(err)
+	}
+	return gui.switchFocus(g, v, focusedView)
+}
+
+func (gui *Gui) previousView(g *gocui.Gui, v *gocui.View) error {
+	var focusedViewName string
+	if v == nil || v.Name() == cyclableViews[0] {
+		focusedViewName = cyclableViews[len(cyclableViews)-1]
+	} else {
+		for i := range cyclableViews {
+			if v.Name() == cyclableViews[i] {
+				focusedViewName = cyclableViews[i-1] // TODO: make this work properly
+				break
+			}
+			if i == len(cyclableViews)-1 {
+				message := gui.Tr.TemplateLocalize(
+					"IssntListOfViews",
+					Teml{
+						"name": v.Name(),
+					},
+				)
+				gui.Log.Info(message)
+				return nil
+			}
+		}
+	}
+	focusedView, err := g.View(focusedViewName)
+	if err != nil {
+		panic(err)
+	}
+	return gui.switchFocus(g, v, focusedView)
+}
+
+func (gui *Gui) newLineFocused(g *gocui.Gui, v *gocui.View) error {
+	switch v.Name() {
+	case "menu":
+		return gui.handleMenuSelect(g, v)
+	case "status":
+		return gui.handleStatusSelect(g, v)
+	case "files":
+		return gui.handleFileSelect(g, v, false)
+	case "branches":
+		return gui.handleBranchSelect(g, v)
+	case "commits":
+		return gui.handleCommitSelect(g, v)
+	case "stash":
+		return gui.handleStashEntrySelect(g, v)
+	case "confirmation":
+		return nil
+	case "commitMessage":
+		return gui.handleCommitFocused(g, v)
+	case "credentials":
+		return gui.handleCredentialsViewFocused(g, v)
+	case "main":
+		// TODO: pull this out into a 'view focused' function
+		gui.refreshMergePanel(g)
+		v.Highlight = false
+		return nil
+	case "staging":
+		return nil
+		// return gui.handleStagingSelect(g, v)
+	default:
+		panic(gui.Tr.SLocalize("NoViewMachingNewLineFocusedSwitchStatement"))
+	}
+}
+
+func (gui *Gui) returnFocus(g *gocui.Gui, v *gocui.View) error {
+	previousView, err := g.View(gui.State.PreviousView)
+	if err != nil {
+		// always fall back to files view if there's no 'previous' view stored
+		previousView, err = g.View("files")
+		if err != nil {
+			gui.Log.Error(err)
+		}
+	}
+	return gui.switchFocus(g, v, previousView)
+}
+
+// pass in oldView = nil if you don't want to be able to return to your old view
+func (gui *Gui) switchFocus(g *gocui.Gui, oldView, newView *gocui.View) error {
+	// we assume we'll never want to return focus to a confirmation panel i.e.
+	// we should never stack confirmation panels
+	if oldView != nil && oldView.Name() != "confirmation" {
+		oldView.Highlight = false
+		message := gui.Tr.TemplateLocalize(
+			"settingPreviewsViewTo",
+			Teml{
+				"oldViewName": oldView.Name(),
+			},
+		)
+		gui.Log.Info(message)
+
+		// second class panels should never have focus restored to them because
+		// once they lose focus they are effectively 'destroyed'
+		secondClassPanels := []string{"confirmation", "menu"}
+		if !utils.IncludesString(secondClassPanels, oldView.Name()) {
+			gui.State.PreviousView = oldView.Name()
+		}
+	}
+
+	newView.Highlight = true
+	message := gui.Tr.TemplateLocalize(
+		"newFocusedViewIs",
+		Teml{
+			"newFocusedView": newView.Name(),
+		},
+	)
+	gui.Log.Info(message)
+	if _, err := g.SetCurrentView(newView.Name()); err != nil {
+		return err
+	}
+	if _, err := g.SetViewOnTop(newView.Name()); err != nil {
+		return err
+	}
+
+	g.Cursor = newView.Editable
+
+	if err := gui.renderPanelOptions(); err != nil {
+		return err
+	}
+
+	return gui.newLineFocused(g, newView)
+}
+
+func (gui *Gui) resetOrigin(v *gocui.View) error {
+	if err := v.SetCursor(0, 0); err != nil {
+		return err
+	}
+	return v.SetOrigin(0, 0)
+}
+
+// if the cursor down past the last item, move it to the last line
+func (gui *Gui) focusPoint(cx int, cy int, v *gocui.View) error {
+	if cy < 0 {
+		return nil
+	}
+	ox, oy := v.Origin()
+	_, height := v.Size()
+	ly := height - 1
+
+	// if line is above origin, move origin and set cursor to zero
+	// if line is below origin + height, move origin and set cursor to max
+	// otherwise set cursor to value - origin
+	if ly > v.LinesHeight() {
+		if err := v.SetCursor(cx, cy); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, 0); err != nil {
+			return err
+		}
+	} else if cy < oy {
+		if err := v.SetCursor(cx, 0); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, cy); err != nil {
+			return err
+		}
+	} else if cy > oy+ly {
+		if err := v.SetCursor(cx, ly); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, cy-ly); err != nil {
+			return err
+		}
+	} else {
+		if err := v.SetCursor(cx, cy-oy); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (gui *Gui) cleanString(s string) string {
+	output := string(bom.Clean([]byte(s)))
+	return utils.NormalizeLinefeeds(output)
+}
+
+func (gui *Gui) setViewContent(g *gocui.Gui, v *gocui.View, s string) error {
+	v.Clear()
+	fmt.Fprint(v, gui.cleanString(s))
+	return nil
+}
+
+// renderString resets the origin of a view and sets its content
+func (gui *Gui) renderString(g *gocui.Gui, viewName, s string) error {
+	g.Update(func(*gocui.Gui) error {
+		v, err := g.View(viewName)
+		if err != nil {
+			return nil // return gracefully if view has been deleted
+		}
+		if err := v.SetOrigin(0, 0); err != nil {
+			return err
+		}
+		return gui.setViewContent(gui.g, v, s)
+	})
+	return nil
+}
+
+func (gui *Gui) optionsMapToString(optionsMap map[string]string) string {
+	optionsArray := make([]string, 0)
+	for key, description := range optionsMap {
+		optionsArray = append(optionsArray, key+": "+description)
+	}
+	sort.Strings(optionsArray)
+	return strings.Join(optionsArray, ", ")
+}
+
+func (gui *Gui) renderOptionsMap(optionsMap map[string]string) error {
+	return gui.renderString(gui.g, "options", gui.optionsMapToString(optionsMap))
+}
+
+// TODO: refactor properly
+// i'm so sorry but had to add this getBranchesView
+func (gui *Gui) getFilesView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("files")
+	return v
+}
+
+func (gui *Gui) getCommitsView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("commits")
+	return v
+}
+
+func (gui *Gui) getCommitMessageView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("commitMessage")
+	return v
+}
+
+func (gui *Gui) getBranchesView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("branches")
+	return v
+}
+
+func (gui *Gui) getStagingView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("staging")
+	return v
+}
+
+func (gui *Gui) getMainView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("main")
+	return v
+}
+
+func (gui *Gui) getStashView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("stash")
+	return v
+}
+
+func (gui *Gui) trimmedContent(v *gocui.View) string {
+	return strings.TrimSpace(v.Buffer())
+}
+
+func (gui *Gui) currentViewName(g *gocui.Gui) string {
+	currentView := g.CurrentView()
+	return currentView.Name()
+}
+
+func (gui *Gui) resizeCurrentPopupPanel(g *gocui.Gui) error {
+	v := g.CurrentView()
+	if v.Name() == "commitMessage" || v.Name() == "credentials" || v.Name() == "confirmation" {
+		return gui.resizePopupPanel(g, v)
+	}
+	return nil
+}
+
+func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
+	// If the confirmation panel is already displayed, just resize the width,
+	// otherwise continue
+	content := v.Buffer()
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, v.Wrap, content)
+	vx0, vy0, vx1, vy1 := v.Dimensions()
+	if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
+		return nil
+	}
+	gui.Log.Info(gui.Tr.SLocalize("resizingPopupPanel"))
+	_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
+	return err
+}
+
+// generalFocusLine takes a lineNumber to focus, and a bottomLine to ensure we can see
+func (gui *Gui) generalFocusLine(lineNumber int, bottomLine int, v *gocui.View) error {
+	_, height := v.Size()
+	overScroll := bottomLine - height + 1
+	if overScroll < 0 {
+		overScroll = 0
+	}
+	if err := v.SetOrigin(0, overScroll); err != nil {
+		return err
+	}
+	if err := v.SetCursor(0, lineNumber-overScroll); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (gui *Gui) changeSelectedLine(line *int, total int, up bool) {
+	if up {
+		if *line == -1 || *line == 0 {
+			return
+		}
+
+		*line -= 1
+	} else {
+		if *line == -1 || *line == total-1 {
+			return
+		}
+
+		*line += 1
+	}
+}
+
+func (gui *Gui) refreshSelectedLine(line *int, total int) {
+	if *line == -1 && total > 0 {
+		*line = 0
+	} else if total-1 < *line {
+		*line = total - 1
+	}
+}
+
+func (gui *Gui) renderListPanel(v *gocui.View, items interface{}) error {
+	gui.g.Update(func(g *gocui.Gui) error {
+		list, err := utils.RenderList(items)
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		v.Clear()
+		fmt.Fprint(v, list)
+		return nil
+	})
+	return nil
+}
+
+func (gui *Gui) renderPanelOptions() error {
+	currentView := gui.g.CurrentView()
+	switch currentView.Name() {
+	case "menu":
+		return gui.renderMenuOptions()
+	case "main":
+		return gui.renderMergeOptions()
+	default:
+		return gui.renderGlobalOptions()
+	}
+}

pkg/i18n/dutch.go

@@ -0,0 +1,453 @@
+package i18n
+
+import (
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+// addDutch will add all dutch translations
+func addDutch(i18nObject *i18n.Bundle) error {
+
+	// add the translations
+	return i18nObject.AddMessages(language.Dutch,
+		&i18n.Message{
+			ID:    "NotEnoughSpace",
+			Other: "Niet genoeg ruimte om de panelen te renderen",
+		}, &i18n.Message{
+			ID:    "DiffTitle",
+			Other: "Diff",
+		}, &i18n.Message{
+			ID:    "FilesTitle",
+			Other: "Bestanden",
+		}, &i18n.Message{
+			ID:    "BranchesTitle",
+			Other: "Branches",
+		}, &i18n.Message{
+			ID:    "CommitsTitle",
+			Other: "Commits",
+		}, &i18n.Message{
+			ID:    "StashTitle",
+			Other: "Stash",
+		}, &i18n.Message{
+			ID:    "CommitMessage",
+			Other: "Commit bericht",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Gebruikersnaam",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Wachtwoord",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Wachtwoord en/of gebruikersnaam verkeert",
+		}, &i18n.Message{
+			ID:    "CommitChanges",
+			Other: "Commit veranderingen",
+		}, &i18n.Message{
+			ID:    "AmendLastCommit",
+			Other: "wijzig laatste commit",
+		}, &i18n.Message{
+			ID:    "SureToAmend",
+			Other: "Weet je zeker dat je de laatste commit wilt wijzigen? U kunt het commit-bericht wijzigen vanuit het commits-paneel.",
+		}, &i18n.Message{
+			ID:    "NoCommitToAmend",
+			Other: "Er is geen commits om te wijzigen.",
+		}, &i18n.Message{
+			ID:    "CommitChangesWithEditor",
+			Other: "commit veranderingen met de git editor",
+		}, &i18n.Message{
+			ID:    "StatusTitle",
+			Other: "Status",
+		}, &i18n.Message{
+			ID:    "GlobalTitle",
+			Other: "Global",
+		}, &i18n.Message{
+			ID:    "navigate",
+			Other: "navigeer",
+		}, &i18n.Message{
+			ID:    "menu",
+			Other: "menu",
+		}, &i18n.Message{
+			ID:    "execute",
+			Other: "uitvoeren",
+		}, &i18n.Message{
+			ID:    "stashFiles",
+			Other: "stash-bestanden",
+		}, &i18n.Message{
+			ID:    "open",
+			Other: "open",
+		}, &i18n.Message{
+			ID:    "ignore",
+			Other: "negeren",
+		}, &i18n.Message{
+			ID:    "delete",
+			Other: "verwijderen",
+		}, &i18n.Message{
+			ID:    "toggleStaged",
+			Other: "toggle staged",
+		}, &i18n.Message{
+			ID:    "toggleStagedAll",
+			Other: "toggle staged alle",
+		}, &i18n.Message{
+			ID:    "refresh",
+			Other: "verversen",
+		}, &i18n.Message{
+			ID:    "push",
+			Other: "push",
+		}, &i18n.Message{
+			ID:    "pull",
+			Other: "pull",
+		}, &i18n.Message{
+			ID:    "addPatch",
+			Other: "bewerkingen toevoegen",
+		}, &i18n.Message{
+			ID:    "edit",
+			Other: "bewerken",
+		}, &i18n.Message{
+			ID:    "scroll",
+			Other: "scroll",
+		}, &i18n.Message{
+			ID:    "abortMerge",
+			Other: "samenvoegen afbreken",
+		}, &i18n.Message{
+			ID:    "resolveMergeConflicts",
+			Other: "los merge conflicten op",
+		}, &i18n.Message{
+			ID:    "checkout",
+			Other: "uitchecken",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "Geen bestanden veranderd",
+		}, &i18n.Message{
+			ID:    "FileHasNoUnstagedChanges",
+			Other: "Het bestand heeft geen unstaged veranderingen om toe te voegen",
+		}, &i18n.Message{
+			ID:    "CannotGitAdd",
+			Other: "Kan commando niet uitvoeren git add --path untracked files",
+		}, &i18n.Message{
+			ID:    "CantIgnoreTrackFiles",
+			Other: "Kan gevolgde bestanden niet negeren",
+		}, &i18n.Message{
+			ID:    "NoStagedFilesToCommit",
+			Other: "Er zijn geen staged bestanden om te commiten",
+		}, &i18n.Message{
+			ID:    "NoFilesDisplay",
+			Other: "Geen bestanden om te laten zien",
+		}, &i18n.Message{
+			ID:    "NotAFile",
+			Other: "Dit is geen bestand",
+		}, &i18n.Message{
+			ID:    "PullWait",
+			Other: "Pullen...",
+		}, &i18n.Message{
+			ID:    "PushWait",
+			Other: "Pushen...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetchen...",
+		}, &i18n.Message{
+			ID:    "FileNoMergeCons",
+			Other: "Dit bestand heeft geen merge conflicten",
+		}, &i18n.Message{
+			ID:    "SureResetHardHead",
+			Other: "Weet je het zeker dat je `reset --hard HEAD` en `clean -fd` wil uitvoeren? Het kan dat je hierdoor bestanden verliest",
+		}, &i18n.Message{
+			ID:    "SureTo",
+			Other: "Weet je het zeker dat je {{.fileName}} wilt {{.deleteVerb}} (je veranderingen zullen worden verwijderd)",
+		}, &i18n.Message{
+			ID:    "AlreadyCheckedOutBranch",
+			Other: "Je hebt deze branch al uitgecheckt",
+		}, &i18n.Message{
+			ID:    "SureForceCheckout",
+			Other: "Weet je zeker dat je het uitchecken wil forceren? Al je lokale verandering zullen worden verwijdert",
+		}, &i18n.Message{
+			ID:    "ForceCheckoutBranch",
+			Other: "Forceer uitchecken op deze branch",
+		}, &i18n.Message{
+			ID:    "BranchName",
+			Other: "Branch naam",
+		}, &i18n.Message{
+			ID:    "NewBranchNameBranchOff",
+			Other: "Nieuw branch naam (Branch is afgeleid van {{.branchName}})",
+		}, &i18n.Message{
+			ID:    "CantDeleteCheckOutBranch",
+			Other: "Je kan een uitgecheckte branch niet verwijderen!",
+		}, &i18n.Message{
+			ID:    "DeleteBranch",
+			Other: "Verwijder branch",
+		}, &i18n.Message{
+			ID:    "DeleteBranchMessage",
+			Other: "Weet je zeker dat je branch {{.selectedBranchName}} wilt verwijderen?",
+		}, &i18n.Message{
+			ID:    "ForceDeleteBranchMessage",
+			Other: "Weet je zeker dat je branch {{.selectedBranchName}} geforceerd wil verwijderen?",
+		}, &i18n.Message{
+			ID:    "CantMergeBranchIntoItself",
+			Other: "Je kan niet een branch in zichzelf mergen",
+		}, &i18n.Message{
+			ID:    "forceCheckout",
+			Other: "forceer checkout",
+		}, &i18n.Message{
+			ID:    "merge",
+			Other: "samenvoegen",
+		}, &i18n.Message{
+			ID:    "checkoutByName",
+			Other: "uitchecken bij naam",
+		}, &i18n.Message{
+			ID:    "newBranch",
+			Other: "nieuwe branch",
+		}, &i18n.Message{
+			ID:    "deleteBranch",
+			Other: "verwijder branch",
+		}, &i18n.Message{
+			ID:    "forceDeleteBranch",
+			Other: "verwijder branch (forceer)",
+		}, &i18n.Message{
+			ID:    "NoBranchesThisRepo",
+			Other: "Geen branches voor deze repo",
+		}, &i18n.Message{
+			ID:    "NoTrackingThisBranch",
+			Other: "deze branch wordt niet gevolgd",
+		}, &i18n.Message{
+			ID:    "CommitWithoutMessageErr",
+			Other: "Je kan geen commit maken zonder commit bericht",
+		}, &i18n.Message{
+			ID:    "CloseConfirm",
+			Other: "{{.keyBindClose}}: Sluiten, {{.keyBindConfirm}}: Bevestigen",
+		}, &i18n.Message{
+			ID:    "close",
+			Other: "sluiten",
+		}, &i18n.Message{
+			ID:    "SureResetThisCommit",
+			Other: "Weet je het zeker dat je wil resetten naar deze commit?",
+		}, &i18n.Message{
+			ID:    "ResetToCommit",
+			Other: "Reset Naar Commit",
+		}, &i18n.Message{
+			ID:    "squashDown",
+			Other: "squash beneden",
+		}, &i18n.Message{
+			ID:    "rename",
+			Other: "hernoemen",
+		}, &i18n.Message{
+			ID:    "resetToThisCommit",
+			Other: "reset naar deze commit",
+		}, &i18n.Message{
+			ID:    "fixupCommit",
+			Other: "Fixup commit",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "Er zijn geen commits voor deze branch",
+		}, &i18n.Message{
+			ID:    "OnlySquashTopmostCommit",
+			Other: "Kan alleen bovenste commit squashen",
+		}, &i18n.Message{
+			ID:    "YouNoCommitsToSquash",
+			Other: "Je hebt geen commits om mee te squashen",
+		}, &i18n.Message{
+			ID:    "CantFixupWhileUnstagedChanges",
+			Other: "Kan geen Fixup uitvoeren op unstaged veranderingen",
+		}, &i18n.Message{
+			ID:    "Fixup",
+			Other: "Fixup",
+		}, &i18n.Message{
+			ID:    "SureFixupThisCommit",
+			Other: "Weet je zeker dat je fixup wil uitvoeren op deze commit? De commit hieronder zol worden squashed in deze",
+		}, &i18n.Message{
+			ID:    "OnlyRenameTopCommit",
+			Other: "Je kan alleen de bovenste commit hernoemen",
+		}, &i18n.Message{
+			ID:    "renameCommit",
+			Other: "hernoem commit",
+		}, &i18n.Message{
+			ID:    "renameCommitEditor",
+			Other: "rename commit with editor",
+		}, &i18n.Message{
+			ID:    "PotentialErrInGetselectedCommit",
+			Other: "Er is mogelijk een error in getSelected Commit (geen match tussen ui en state)",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "Geen commits voor deze branch",
+		}, &i18n.Message{
+			ID:    "Error",
+			Other: "Foutmelding",
+		}, &i18n.Message{
+			ID:    "resizingPopupPanel",
+			Other: "resizen popup paneel",
+		}, &i18n.Message{
+			ID:    "RunningSubprocess",
+			Other: "subprocess lopend",
+		}, &i18n.Message{
+			ID:    "selectHunk",
+			Other: "selecteer stuk",
+		}, &i18n.Message{
+			ID:    "navigateConflicts",
+			Other: "navigeer conflicts",
+		}, &i18n.Message{
+			ID:    "pickHunk",
+			Other: "kies stuk",
+		}, &i18n.Message{
+			ID:    "pickBothHunks",
+			Other: "kies beide stukken",
+		}, &i18n.Message{
+			ID:    "undo",
+			Other: "ongedaan maken",
+		}, &i18n.Message{
+			ID:    "pop",
+			Other: "pop",
+		}, &i18n.Message{
+			ID:    "drop",
+			Other: "drop",
+		}, &i18n.Message{
+			ID:    "apply",
+			Other: "toepassen",
+		}, &i18n.Message{
+			ID:    "NoStashEntries",
+			Other: "Geen stash items",
+		}, &i18n.Message{
+			ID:    "StashDrop",
+			Other: "Stash drop",
+		}, &i18n.Message{
+			ID:    "SureDropStashEntry",
+			Other: "Weet je het zeker dat je deze stash entry wil laten vallen?",
+		}, &i18n.Message{
+			ID:    "NoStashTo",
+			Other: "Geen stash voor {{.method}}",
+		}, &i18n.Message{
+			ID:    "NoTrackedStagedFilesStash",
+			Other: "Je hebt geen tracked/staged bestanden om te laten stashen",
+		}, &i18n.Message{
+			ID:    "StashChanges",
+			Other: "Stash veranderingen",
+		}, &i18n.Message{
+			ID:    "IssntListOfViews",
+			Other: "{{.name}} is niet in de lijst van weergaves",
+		}, &i18n.Message{
+			ID:    "NoViewMachingNewLineFocusedSwitchStatement",
+			Other: "Er machen geen weergave met de newLineFocused switch declaratie",
+		}, &i18n.Message{
+			ID:    "settingPreviewsViewTo",
+			Other: "vorige weergave instellen op: {{.oldViewName}}",
+		}, &i18n.Message{
+			ID:    "newFocusedViewIs",
+			Other: "nieuw gefocussed weergave is {{.newFocusedView}}",
+		}, &i18n.Message{
+			ID:    "CantCloseConfirmationPrompt",
+			Other: "Kon de bevestiging prompt niet sluiten: {{.error}}",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "Geen veranderde files",
+		}, &i18n.Message{
+			ID:    "ClearFilePanel",
+			Other: "maak bestandsvenster leeg",
+		}, &i18n.Message{
+			ID:    "MergeAborted",
+			Other: "Merge afgebroken",
+		}, &i18n.Message{
+			ID:    "OpenConfig",
+			Other: "open config file",
+		}, &i18n.Message{
+			ID:    "EditConfig",
+			Other: "verander config file",
+		}, &i18n.Message{
+			ID:    "ForcePush",
+			Other: "Forceer push",
+		}, &i18n.Message{
+			ID:    "ForcePushPrompt",
+			Other: "Jouw branch is afgeweken van de remote branch. Druk 'esc' om te annuleren, of 'enter' om geforceert te pushen.",
+		}, &i18n.Message{
+			ID:    "checkForUpdate",
+			Other: "check voor updates",
+		}, &i18n.Message{
+			ID:    "CheckingForUpdates",
+			Other: "zoeken naar updates...",
+		}, &i18n.Message{
+			ID:    "OnLatestVersionErr",
+			Other: "Je hebt al de laatste versie",
+		}, &i18n.Message{
+			ID:    "MajorVersionErr",
+			Other: "Nieuwe versie ({{.newVersion}}) is niet backwards compatibele vergeleken met de huidige versie ({{.currentVersion}})",
+		}, &i18n.Message{
+			ID:    "CouldNotFindBinaryErr",
+			Other: "Kon geen binary vinden op {{.url}}",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingTitle",
+			Other: "Help lazygit te verbeteren",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingPrompt",
+			Other: "Zou je anonieme data rapportage willen aanzetten om lazygit beter te kunnen maken? (enter/esc)",
+		}, &i18n.Message{
+			ID:    "GitconfigParseErr",
+			Other: `Gogit kon je gitconfig bestand niet goed parsen door de aanwezigheid van losstaande '\' tekens. Het weghalen van deze tekens zou het probleem moeten oplossen. `,
+		}, &i18n.Message{
+			ID:    "removeFile",
+			Other: `Verwijder als untracked / uitchecken wordt gevolgd (ga weg)`,
+		}, &i18n.Message{
+			ID:    "editFile",
+			Other: `verander bestand`,
+		}, &i18n.Message{
+			ID:    "openFile",
+			Other: `open bestand`,
+		}, &i18n.Message{
+			ID:    "ignoreFile",
+			Other: `voeg toe aan .gitignore`,
+		}, &i18n.Message{
+			ID:    "refreshFiles",
+			Other: `refresh bestanden`,
+		}, &i18n.Message{
+			ID:    "resetHard",
+			Other: `harde reset and verwijderen ongevolgde bestanden`,
+		}, &i18n.Message{
+			ID:    "mergeIntoCurrentBranch",
+			Other: `merge in met huidige checked out branch`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Weet je zeker dat je dit programma wil sluiten?`,
+		}, &i18n.Message{
+			ID:    "SwitchRepo",
+			Other: "wissel naar een recente repo",
+		}, &i18n.Message{
+			ID:    "UnsupportedGitService",
+			Other: `Niet-ondersteunde git-service`,
+		}, &i18n.Message{
+			ID:    "createPullRequest",
+			Other: `maak een pull-aanvraag`,
+		}, &i18n.Message{
+			ID:    "NoBranchOnRemote",
+			Other: `Deze branch bestaat niet op de remote. U moet het eerst naar de remote pushen.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `Geen automatiese git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit kan niet "git fetch" uitvoeren in een privé repository, gebruik f in het branches paneel om "git fetch" manueel uit te voeren`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `stage individuele hunks/lijnen`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Kan alleen individuele lijnen stagen van getrackte bestanden met onstaged veranderingen`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Staging`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `stage hunk`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `stage lijn`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `ga terug naar het bestanden paneel`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Kan geen hunks vinden in deze patch`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Kan geen hunk vinden`,
+		},
+	)
+}

pkg/i18n/english.go

@@ -0,0 +1,467 @@
+/*
+
+Todo list when making a new translation
+- Copy this file and rename it to the language you want to translate to like someLanguage.go
+- Change the addEnglish() name to the language you want to translate to like addSomeLanguage()
+- change the first function argument of i18nObject.AddMessages( to the language you want to translate to like language.SomeLanguage
+- Remove this todo and the about section
+
+*/
+
+package i18n
+
+import (
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+func addEnglish(i18nObject *i18n.Bundle) error {
+
+	return i18nObject.AddMessages(language.English,
+		&i18n.Message{
+			ID:    "NotEnoughSpace",
+			Other: "Not enough space to render panels",
+		}, &i18n.Message{
+			ID:    "DiffTitle",
+			Other: "Diff",
+		}, &i18n.Message{
+			ID:    "FilesTitle",
+			Other: "Files",
+		}, &i18n.Message{
+			ID:    "BranchesTitle",
+			Other: "Branches",
+		}, &i18n.Message{
+			ID:    "CommitsTitle",
+			Other: "Commits",
+		}, &i18n.Message{
+			ID:    "StashTitle",
+			Other: "Stash",
+		}, &i18n.Message{
+			ID:    "CommitMessage",
+			Other: "Commit message",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Username",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Password",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Password and/or username wrong",
+		}, &i18n.Message{
+			ID:    "CommitChanges",
+			Other: "commit changes",
+		}, &i18n.Message{
+			ID:    "AmendLastCommit",
+			Other: "amend last commit",
+		}, &i18n.Message{
+			ID:    "SureToAmend",
+			Other: "Are you sure you want to amend last commit? You can change commit message from commits panel.",
+		}, &i18n.Message{
+			ID:    "NoCommitToAmend",
+			Other: "There's no commit to amend.",
+		}, &i18n.Message{
+			ID:    "CommitChangesWithEditor",
+			Other: "commit changes using git editor",
+		}, &i18n.Message{
+			ID:    "StatusTitle",
+			Other: "Status",
+		}, &i18n.Message{
+			ID:    "GlobalTitle",
+			Other: "Global",
+		}, &i18n.Message{
+			ID:    "navigate",
+			Other: "navigate",
+		}, &i18n.Message{
+			ID:    "menu",
+			Other: "menu",
+		}, &i18n.Message{
+			ID:    "execute",
+			Other: "execute",
+		}, &i18n.Message{
+			ID:    "stashFiles",
+			Other: "stash files",
+		}, &i18n.Message{
+			ID:    "open",
+			Other: "open",
+		}, &i18n.Message{
+			ID:    "ignore",
+			Other: "ignore",
+		}, &i18n.Message{
+			ID:    "delete",
+			Other: "delete",
+		}, &i18n.Message{
+			ID:    "toggleStaged",
+			Other: "toggle staged",
+		}, &i18n.Message{
+			ID:    "toggleStagedAll",
+			Other: "stage/unstage all",
+		}, &i18n.Message{
+			ID:    "refresh",
+			Other: "refresh",
+		}, &i18n.Message{
+			ID:    "push",
+			Other: "push",
+		}, &i18n.Message{
+			ID:    "pull",
+			Other: "pull",
+		}, &i18n.Message{
+			ID:    "addPatch",
+			Other: "add patch",
+		}, &i18n.Message{
+			ID:    "edit",
+			Other: "edit",
+		}, &i18n.Message{
+			ID:    "scroll",
+			Other: "scroll",
+		}, &i18n.Message{
+			ID:    "abortMerge",
+			Other: "abort merge",
+		}, &i18n.Message{
+			ID:    "resolveMergeConflicts",
+			Other: "resolve merge conflicts",
+		}, &i18n.Message{
+			ID:    "checkout",
+			Other: "checkout",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "No changed files",
+		}, &i18n.Message{
+			ID:    "FileHasNoUnstagedChanges",
+			Other: "File has no unstaged changes to add",
+		}, &i18n.Message{
+			ID:    "CannotGitAdd",
+			Other: "Cannot git add --patch untracked files",
+		}, &i18n.Message{
+			ID:    "CantIgnoreTrackFiles",
+			Other: "Cannot ignore tracked files",
+		}, &i18n.Message{
+			ID:    "NoStagedFilesToCommit",
+			Other: "There are no staged files to commit",
+		}, &i18n.Message{
+			ID:    "NoFilesDisplay",
+			Other: "No file to display",
+		}, &i18n.Message{
+			ID:    "NotAFile",
+			Other: "Not a file",
+		}, &i18n.Message{
+			ID:    "PullWait",
+			Other: "Pulling...",
+		}, &i18n.Message{
+			ID:    "PushWait",
+			Other: "Pushing...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetching...",
+		}, &i18n.Message{
+			ID:    "FileNoMergeCons",
+			Other: "This file has no merge conflicts",
+		}, &i18n.Message{
+			ID:    "SureResetHardHead",
+			Other: "Are you sure you want `reset --hard HEAD` and `clean -fd`? You may lose changes",
+		}, &i18n.Message{
+			ID:    "SureTo",
+			Other: "Are you sure you want to {{.deleteVerb}} {{.fileName}} (you will lose your changes)?",
+		}, &i18n.Message{
+			ID:    "AlreadyCheckedOutBranch",
+			Other: "You have already checked out this branch",
+		}, &i18n.Message{
+			ID:    "SureForceCheckout",
+			Other: "Are you sure you want force checkout? You will lose all local changes",
+		}, &i18n.Message{
+			ID:    "ForceCheckoutBranch",
+			Other: "Force Checkout Branch",
+		}, &i18n.Message{
+			ID:    "BranchName",
+			Other: "Branch name",
+		}, &i18n.Message{
+			ID:    "NewBranchNameBranchOff",
+			Other: "New Branch Name (Branch is off of {{.branchName}})",
+		}, &i18n.Message{
+			ID:    "CantDeleteCheckOutBranch",
+			Other: "You cannot delete the checked out branch!",
+		}, &i18n.Message{
+			ID:    "DeleteBranch",
+			Other: "Delete Branch",
+		}, &i18n.Message{
+			ID:    "DeleteBranchMessage",
+			Other: "Are you sure you want to delete the branch {{.selectedBranchName}}?",
+		}, &i18n.Message{
+			ID:    "ForceDeleteBranchMessage",
+			Other: "{{.selectedBranchName}} is not fully merged. Are you sure you want to delete it?",
+		}, &i18n.Message{
+			ID:    "CantMergeBranchIntoItself",
+			Other: "You cannot merge a branch into itself",
+		}, &i18n.Message{
+			ID:    "forceCheckout",
+			Other: "force checkout",
+		}, &i18n.Message{
+			ID:    "merge",
+			Other: "merge",
+		}, &i18n.Message{
+			ID:    "checkoutByName",
+			Other: "checkout by name",
+		}, &i18n.Message{
+			ID:    "newBranch",
+			Other: "new branch",
+		}, &i18n.Message{
+			ID:    "deleteBranch",
+			Other: "delete branch",
+		}, &i18n.Message{
+			ID:    "forceDeleteBranch",
+			Other: "delete branch (force)",
+		}, &i18n.Message{
+			ID:    "NoBranchesThisRepo",
+			Other: "No branches for this repo",
+		}, &i18n.Message{
+			ID:    "NoTrackingThisBranch",
+			Other: "There is no tracking for this branch",
+		}, &i18n.Message{
+			ID:    "CommitWithoutMessageErr",
+			Other: "You cannot commit without a commit message",
+		}, &i18n.Message{
+			ID:    "CloseConfirm",
+			Other: "{{.keyBindClose}}: close, {{.keyBindConfirm}}: confirm",
+		}, &i18n.Message{
+			ID:    "close",
+			Other: "close",
+		}, &i18n.Message{
+			ID:    "SureResetThisCommit",
+			Other: "Are you sure you want to reset to this commit?",
+		}, &i18n.Message{
+			ID:    "ResetToCommit",
+			Other: "Reset To Commit",
+		}, &i18n.Message{
+			ID:    "squashDown",
+			Other: "squash down",
+		}, &i18n.Message{
+			ID:    "rename",
+			Other: "rename",
+		}, &i18n.Message{
+			ID:    "resetToThisCommit",
+			Other: "reset to this commit",
+		}, &i18n.Message{
+			ID:    "fixupCommit",
+			Other: "fixup commit",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "No commits for this branch",
+		}, &i18n.Message{
+			ID:    "OnlySquashTopmostCommit",
+			Other: "Can only squash topmost commit",
+		}, &i18n.Message{
+			ID:    "YouNoCommitsToSquash",
+			Other: "You have no commits to squash with",
+		}, &i18n.Message{
+			ID:    "CantFixupWhileUnstagedChanges",
+			Other: "Can't fixup while there are unstaged changes",
+		}, &i18n.Message{
+			ID:    "Fixup",
+			Other: "Fixup",
+		}, &i18n.Message{
+			ID:    "SureFixupThisCommit",
+			Other: "Are you sure you want to fixup this commit? The commit beneath will be squashed up into this one",
+		}, &i18n.Message{
+			ID:    "OnlyRenameTopCommit",
+			Other: "Can only rename topmost commit",
+		}, &i18n.Message{
+			ID:    "renameCommit",
+			Other: "rename commit",
+		}, &i18n.Message{
+			ID:    "renameCommitEditor",
+			Other: "rename commit with editor",
+		}, &i18n.Message{
+			ID:    "PotentialErrInGetselectedCommit",
+			Other: "potential error in getSelected Commit (mismatched ui and state)",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "No commits for this branch",
+		}, &i18n.Message{
+			ID:    "Error",
+			Other: "Error",
+		}, &i18n.Message{
+			ID:    "resizingPopupPanel",
+			Other: "resizing popup panel",
+		}, &i18n.Message{
+			ID:    "RunningSubprocess",
+			Other: "running subprocess",
+		}, &i18n.Message{
+			ID:    "selectHunk",
+			Other: "select hunk",
+		}, &i18n.Message{
+			ID:    "navigateConflicts",
+			Other: "navigate conflicts",
+		}, &i18n.Message{
+			ID:    "pickHunk",
+			Other: "pick hunk",
+		}, &i18n.Message{
+			ID:    "pickBothHunks",
+			Other: "pick both hunks",
+		}, &i18n.Message{
+			ID:    "undo",
+			Other: "undo",
+		}, &i18n.Message{
+			ID:    "pop",
+			Other: "pop",
+		}, &i18n.Message{
+			ID:    "drop",
+			Other: "drop",
+		}, &i18n.Message{
+			ID:    "apply",
+			Other: "apply",
+		}, &i18n.Message{
+			ID:    "NoStashEntries",
+			Other: "No stash entries",
+		}, &i18n.Message{
+			ID:    "StashDrop",
+			Other: "Stash drop",
+		}, &i18n.Message{
+			ID:    "SureDropStashEntry",
+			Other: "Are you sure you want to drop this stash entry?",
+		}, &i18n.Message{
+			ID:    "NoStashTo",
+			Other: "No stash to {{.method}}",
+		}, &i18n.Message{
+			ID:    "NoTrackedStagedFilesStash",
+			Other: "You have no tracked/staged files to stash",
+		}, &i18n.Message{
+			ID:    "StashChanges",
+			Other: "Stash changes",
+		}, &i18n.Message{
+			ID:    "IssntListOfViews",
+			Other: "{{.name}} is not in the list of views",
+		}, &i18n.Message{
+			ID:    "NoViewMachingNewLineFocusedSwitchStatement",
+			Other: "No view matching newLineFocused switch statement",
+		}, &i18n.Message{
+			ID:    "settingPreviewsViewTo",
+			Other: "setting previous view to: {{.oldViewName}}",
+		}, &i18n.Message{
+			ID:    "newFocusedViewIs",
+			Other: "new focused view is {{.newFocusedView}}",
+		}, &i18n.Message{
+			ID:    "CantCloseConfirmationPrompt",
+			Other: "Could not close confirmation prompt: {{.error}}",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "No changed files",
+		}, &i18n.Message{
+			ID:    "ClearFilePanel",
+			Other: "Clear file panel",
+		}, &i18n.Message{
+			ID:    "MergeAborted",
+			Other: "Merge aborted",
+		}, &i18n.Message{
+			ID:    "OpenConfig",
+			Other: "open config file",
+		}, &i18n.Message{
+			ID:    "EditConfig",
+			Other: "edit config file",
+		}, &i18n.Message{
+			ID:    "ForcePush",
+			Other: "Force push",
+		}, &i18n.Message{
+			ID:    "ForcePushPrompt",
+			Other: "Your branch has diverged from the remote branch. Press 'esc' to cancel, or 'enter' to force push.",
+		}, &i18n.Message{
+			ID:    "checkForUpdate",
+			Other: "check for update",
+		}, &i18n.Message{
+			ID:    "CheckingForUpdates",
+			Other: "Checking for updates...",
+		}, &i18n.Message{
+			ID:    "OnLatestVersionErr",
+			Other: "You already have the latest version",
+		}, &i18n.Message{
+			ID:    "MajorVersionErr",
+			Other: "New version ({{.newVersion}}) has non-backwards compatible changes compared to the current version ({{.currentVersion}})",
+		}, &i18n.Message{
+			ID:    "CouldNotFindBinaryErr",
+			Other: "Could not find any binary at {{.url}}",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingTitle",
+			Other: "Help make lazygit better",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingPrompt",
+			Other: "Would you like to enable anonymous reporting data to help improve lazygit? (enter/esc)",
+		}, &i18n.Message{
+			ID:    "GitconfigParseErr",
+			Other: `Gogit failed to parse your gitconfig file due to the presence of unquoted '\' characters. Removing these should fix the issue.`,
+		}, &i18n.Message{
+			ID:    "removeFile",
+			Other: `delete if untracked / checkout if tracked`,
+		}, &i18n.Message{
+			ID:    "editFile",
+			Other: `edit file`,
+		}, &i18n.Message{
+			ID:    "openFile",
+			Other: `open file`,
+		}, &i18n.Message{
+			ID:    "ignoreFile",
+			Other: `add to .gitignore`,
+		}, &i18n.Message{
+			ID:    "refreshFiles",
+			Other: `refresh files`,
+		}, &i18n.Message{
+			ID:    "resetHard",
+			Other: `reset hard and remove untracked files`,
+		}, &i18n.Message{
+			ID:    "mergeIntoCurrentBranch",
+			Other: `merge into currently checked out branch`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Are you sure you want to quit?`,
+		}, &i18n.Message{
+			ID:    "SwitchRepo",
+			Other: `switch to a recent repo`,
+		}, &i18n.Message{
+			ID:    "UnsupportedGitService",
+			Other: `Unsupported git service`,
+		}, &i18n.Message{
+			ID:    "createPullRequest",
+			Other: `create pull request`,
+		}, &i18n.Message{
+			ID:    "NoBranchOnRemote",
+			Other: `This branch doesn't exist on remote. You need to push it to remote first.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `No automatic git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit can't use "git fetch" in a private repo; use 'f' in the files panel to run "git fetch" manually`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `stage individual hunks/lines`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Can only stage individual lines for tracked files with unstaged changes`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Staging`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `stage hunk`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `stage line`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `return to files panel`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Could not find any hunks in this patch`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Could not find hunk`,
+		}, &i18n.Message{
+			ID:    "FastForward",
+			Other: `fast-forward this branch from its upstream`,
+		}, &i18n.Message{
+			ID:    "Fetching",
+			Other: "fetching and fast-forwarding {{.from}} -> {{.to}} ...",
+		},
+	)
+}

pkg/i18n/i18n.go

@@ -0,0 +1,102 @@
+package i18n
+
+import (
+	"github.com/cloudfoundry/jibber_jabber"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"github.com/sirupsen/logrus"
+	"golang.org/x/text/language"
+)
+
+// Teml is short for template used to make the required map[string]interface{} shorter when using gui.Tr.SLocalize and gui.Tr.TemplateLocalize
+type Teml map[string]interface{}
+
+// Localizer will translate a message into the user's language
+type Localizer struct {
+	i18nLocalizer *i18n.Localizer
+	language      string
+	Log           *logrus.Entry
+}
+
+// NewLocalizer creates a new Localizer
+func NewLocalizer(log *logrus.Entry) *Localizer {
+	userLang := detectLanguage(jibber_jabber.DetectLanguage)
+
+	log.Info("language: " + userLang)
+
+	return setupLocalizer(log, userLang)
+}
+
+// Localize handels the translations
+// expects i18n.LocalizeConfig as input: https://godoc.org/github.com/nicksnyder/go-i18n/v2/i18n#Localizer.MustLocalize
+// output: translated string
+func (l *Localizer) Localize(config *i18n.LocalizeConfig) string {
+	return l.i18nLocalizer.MustLocalize(config)
+}
+
+// SLocalize (short localize) is for 1 line localizations
+// ID: The id that is used in the .toml translation files
+// Other: the default message it needs to return if there is no translation found or the system is english
+func (l *Localizer) SLocalize(ID string) string {
+	return l.Localize(&i18n.LocalizeConfig{
+		DefaultMessage: &i18n.Message{
+			ID: ID,
+		},
+	})
+}
+
+// TemplateLocalize allows the Other input to be dynamic
+func (l *Localizer) TemplateLocalize(ID string, TemplateData map[string]interface{}) string {
+	return l.Localize(&i18n.LocalizeConfig{
+		DefaultMessage: &i18n.Message{
+			ID: ID,
+		},
+		TemplateData: TemplateData,
+	})
+}
+
+// GetLanguage returns the currently selected language, e.g 'en'
+func (l *Localizer) GetLanguage() string {
+	return l.language
+}
+
+// add translation file(s)
+func addBundles(log *logrus.Entry, i18nBundle *i18n.Bundle) {
+	fs := []func(*i18n.Bundle) error{
+		addPolish,
+		addDutch,
+		addEnglish,
+	}
+
+	for _, f := range fs {
+		if err := f(i18nBundle); err != nil {
+			log.Fatal(err)
+
+		}
+	}
+}
+
+// detectLanguage extracts user language from environment
+func detectLanguage(langDetector func() (string, error)) string {
+	if userLang, err := langDetector(); err == nil {
+		return userLang
+	}
+
+	return "C"
+}
+
+// setupLocalizer creates a new localizer using given userLang
+func setupLocalizer(log *logrus.Entry, userLang string) *Localizer {
+	// create a i18n bundle that can be used to add translations and other things
+	i18nBundle := &i18n.Bundle{DefaultLanguage: language.English}
+
+	addBundles(log, i18nBundle)
+
+	// return the new localizer that can be used to translate text
+	i18nLocalizer := i18n.NewLocalizer(i18nBundle, userLang)
+
+	return &Localizer{
+		i18nLocalizer: i18nLocalizer,
+		language:      userLang,
+		Log:           log,
+	}
+}

pkg/i18n/i18n_test.go

@@ -0,0 +1,91 @@
+package i18n
+
+import (
+	"fmt"
+	"io/ioutil"
+	"testing"
+
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+)
+
+func getDummyLog() *logrus.Entry {
+	log := logrus.New()
+	log.Out = ioutil.Discard
+	return log.WithField("test", "test")
+}
+
+// TestNewLocalizer is a function.
+func TestNewLocalizer(t *testing.T) {
+	assert.NotNil(t, NewLocalizer(getDummyLog()))
+}
+
+// TestDetectLanguage is a function.
+func TestDetectLanguage(t *testing.T) {
+	type scenario struct {
+		langDetector func() (string, error)
+		expected     string
+	}
+
+	scenarios := []scenario{
+		{
+			func() (string, error) {
+				return "", fmt.Errorf("An error occurred")
+			},
+			"C",
+		},
+		{
+			func() (string, error) {
+				return "en", nil
+			},
+			"en",
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, detectLanguage(s.langDetector))
+	}
+}
+
+// TestLocalizer is a function.
+func TestLocalizer(t *testing.T) {
+	type scenario struct {
+		userLang string
+		test     func(*Localizer)
+	}
+
+	scenarios := []scenario{
+		{
+			"C",
+			func(l *Localizer) {
+				assert.EqualValues(t, "C", l.GetLanguage())
+				assert.Equal(t, "Diff", l.Localize(&i18n.LocalizeConfig{
+					DefaultMessage: &i18n.Message{
+						ID: "DiffTitle",
+					},
+				}))
+				assert.Equal(t, "Diff", l.SLocalize("DiffTitle"))
+				assert.Equal(t, "Are you sure you want to delete the branch test?", l.TemplateLocalize("DeleteBranchMessage", Teml{"selectedBranchName": "test"}))
+			},
+		},
+		{
+			"nl",
+			func(l *Localizer) {
+				assert.EqualValues(t, "nl", l.GetLanguage())
+				assert.Equal(t, "Diff", l.Localize(&i18n.LocalizeConfig{
+					DefaultMessage: &i18n.Message{
+						ID: "DiffTitle",
+					},
+				}))
+				assert.Equal(t, "Diff", l.SLocalize("DiffTitle"))
+				assert.Equal(t, "Weet je zeker dat je branch test wilt verwijderen?", l.TemplateLocalize("DeleteBranchMessage", Teml{"selectedBranchName": "test"}))
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(setupLocalizer(getDummyLog(), s.userLang))
+	}
+}

pkg/i18n/polish.go

@@ -0,0 +1,436 @@
+package i18n
+
+import (
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+func addPolish(i18nObject *i18n.Bundle) error {
+
+	return i18nObject.AddMessages(language.Polish,
+		&i18n.Message{
+			ID:    "NotEnoughSpace",
+			Other: "Za mało miejsca do wyświetlenia paneli",
+		}, &i18n.Message{
+			ID:    "DiffTitle",
+			Other: "Różnice",
+		}, &i18n.Message{
+			ID:    "FilesTitle",
+			Other: "Pliki",
+		}, &i18n.Message{
+			ID:    "BranchesTitle",
+			Other: "Gałęzie",
+		}, &i18n.Message{
+			ID:    "CommitsTitle",
+			Other: "Commity",
+		}, &i18n.Message{
+			ID:    "StashTitle",
+			Other: "Schowek",
+		}, &i18n.Message{
+			ID:    "CommitMessage",
+			Other: "Wiadomość commita",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Username",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Password",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Password and/or username wrong",
+		}, &i18n.Message{
+			ID:    "CommitChanges",
+			Other: "commituj zmiany",
+		}, &i18n.Message{
+			ID:    "AmendLastCommit",
+			Other: "zmień ostatnie zatwierdzenie",
+		}, &i18n.Message{
+			ID:    "SureToAmend",
+			Other: "Czy na pewno chcesz zmienić ostatnie zatwierdzenie? Możesz zmienić komunikat zatwierdzenia z panelu zatwierdzeń.",
+		}, &i18n.Message{
+			ID:    "NoCommitToAmend",
+			Other: "Nie ma zobowiązania do zmiany.",
+		}, &i18n.Message{
+			ID:    "CommitChangesWithEditor",
+			Other: "commituj zmiany używając edytora z gita",
+		}, &i18n.Message{
+			ID:    "StatusTitle",
+			Other: "Status",
+		}, &i18n.Message{
+			ID:    "GlobalTitle",
+			Other: "Globalne",
+		}, &i18n.Message{
+			ID:    "navigate",
+			Other: "nawiguj",
+		}, &i18n.Message{
+			ID:    "menu",
+			Other: "menu",
+		}, &i18n.Message{
+			ID:    "execute",
+			Other: "wykonaj",
+		}, &i18n.Message{
+			ID:    "stashFiles",
+			Other: "przechowaj pliki",
+		}, &i18n.Message{
+			ID:    "open",
+			Other: "otwórz",
+		}, &i18n.Message{
+			ID:    "ignore",
+			Other: "ignoruj",
+		}, &i18n.Message{
+			ID:    "delete",
+			Other: "usuń",
+		}, &i18n.Message{
+			ID:    "toggleStaged",
+			Other: "przełącz zatwierdzenie",
+		}, &i18n.Message{
+			ID:    "toggleStagedAll",
+			Other: "przełącz wszystkie zatwierdzenia",
+		}, &i18n.Message{
+			ID:    "refresh",
+			Other: "odśwież",
+		}, &i18n.Message{
+			ID:    "addPatch",
+			Other: "dodaj łatkę",
+		}, &i18n.Message{
+			ID:    "edit",
+			Other: "edytuj",
+		}, &i18n.Message{
+			ID:    "scroll",
+			Other: "przewiń",
+		}, &i18n.Message{
+			ID:    "abortMerge",
+			Other: "o scalaniu",
+		}, &i18n.Message{
+			ID:    "resolveMergeConflicts",
+			Other: "rozwiąż konflikty scalania",
+		}, &i18n.Message{
+			ID:    "checkout",
+			Other: "przełącz",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "Brak zmienionych plików",
+		}, &i18n.Message{
+			ID:    "FileHasNoUnstagedChanges",
+			Other: "Plik nie zawiera żadnych nieopublikowanych zmian do dodania",
+		}, &i18n.Message{
+			ID:    "CannotGitAdd",
+			Other: "Nie można git add --patch nieśledzonych plików",
+		}, &i18n.Message{
+			ID:    "CantIgnoreTrackFiles",
+			Other: "Nie można zignorować nieśledzonych plików",
+		}, &i18n.Message{
+			ID:    "NoStagedFilesToCommit",
+			Other: "Brak zatwierdzonych plików do commita",
+		}, &i18n.Message{
+			ID:    "NoFilesDisplay",
+			Other: "Brak pliku do wyświetlenia",
+		}, &i18n.Message{
+			ID:    "PullWait",
+			Other: "Wciąganie zmian...",
+		}, &i18n.Message{
+			ID:    "PushWait",
+			Other: "Wypychanie zmian...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetching...",
+		}, &i18n.Message{
+			ID:    "FileNoMergeCons",
+			Other: "Ten plik nie powoduje konfliktów scalania",
+		}, &i18n.Message{
+			ID:    "SureResetHardHead",
+			Other: "Jesteś pewny, że chcesz wykonać `reset --hard HEAD` i `clean -fd`? Możesz stracić wprowadzone zmiany",
+		}, &i18n.Message{
+			ID:    "SureTo",
+			Other: "Jesteś pewny, że chcesz {{.deleteVerb}} {{.fileName}} (stracisz swoje wprowadzone zmiany)?",
+		}, &i18n.Message{
+			ID:    "AlreadyCheckedOutBranch",
+			Other: "Już przęłączono na tą gałąź",
+		}, &i18n.Message{
+			ID:    "SureForceCheckout",
+			Other: "Jesteś pewny, że chcesz wymusić przełączenie? Stracisz wszystkie lokalne zmiany",
+		}, &i18n.Message{
+			ID:    "ForceCheckoutBranch",
+			Other: "Wymuś przełączenie gałęzi",
+		}, &i18n.Message{
+			ID:    "BranchName",
+			Other: "Nazwa gałęzi",
+		}, &i18n.Message{
+			ID:    "NewBranchNameBranchOff",
+			Other: "Nazwa nowej gałęzi (gałąź na bazie {{.branchName}})",
+		}, &i18n.Message{
+			ID:    "CantDeleteCheckOutBranch",
+			Other: "Nie możesz usunąć obecnej przełączonej gałęzi!",
+		}, &i18n.Message{
+			ID:    "DeleteBranch",
+			Other: "Usuń gałąź",
+		}, &i18n.Message{
+			ID:    "DeleteBranchMessage",
+			Other: "Jesteś pewien, że chcesz usunąć gałąź {{.selectedBranchName}} ?",
+		}, &i18n.Message{
+			ID:    "ForceDeleteBranchMessage",
+			Other: "Na pewno wymusić usunięcie gałęzi {{.selectedBranchName}}?",
+		}, &i18n.Message{
+			ID:    "CantMergeBranchIntoItself",
+			Other: "Nie możesz scalić gałęzi do samej siebie",
+		}, &i18n.Message{
+			ID:    "forceCheckout",
+			Other: "wymuś przełączenie",
+		}, &i18n.Message{
+			ID:    "merge",
+			Other: "scal",
+		}, &i18n.Message{
+			ID:    "checkoutByName",
+			Other: "przełącz używając nazwy",
+		}, &i18n.Message{
+			ID:    "newBranch",
+			Other: "nowa gałąź",
+		}, &i18n.Message{
+			ID:    "deleteBranch",
+			Other: "usuń gałąź",
+		}, &i18n.Message{
+			ID:    "forceDeleteBranch",
+			Other: "usuń gałąź (wymuś)",
+		}, &i18n.Message{
+			ID:    "NoBranchesThisRepo",
+			Other: "Brak gałęzi dla tego repozytorium",
+		}, &i18n.Message{
+			ID:    "NoTrackingThisBranch",
+			Other: "Brak śledzenia dla tej gałęzi",
+		}, &i18n.Message{
+			ID:    "CommitWithoutMessageErr",
+			Other: "Nie możesz commitować bez podania wiadomości",
+		}, &i18n.Message{
+			ID:    "CloseConfirm",
+			Other: "{{.keyBindClose}}: zamknij, {{.keyBindConfirm}}: potwierdź",
+		}, &i18n.Message{
+			ID:    "close",
+			Other: "zamknij",
+		}, &i18n.Message{
+			ID:    "SureResetThisCommit",
+			Other: "Jesteś pewny, że chcesz zresetować ten commit?",
+		}, &i18n.Message{
+			ID:    "ResetToCommit",
+			Other: "Zresetuj, aby commitować",
+		}, &i18n.Message{
+			ID:    "squashDown",
+			Other: "ściśnij w dół",
+		}, &i18n.Message{
+			ID:    "rename",
+			Other: "przemianuj",
+		}, &i18n.Message{
+			ID:    "resetToThisCommit",
+			Other: "zresetuj do tego commita",
+		}, &i18n.Message{
+			ID:    "fixupCommit",
+			Other: "napraw commit",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "Brak commitów dla tej gałęzi",
+		}, &i18n.Message{
+			ID:    "OnlySquashTopmostCommit",
+			Other: "Można tylko ścisnąć najwyższy commit",
+		}, &i18n.Message{
+			ID:    "YouNoCommitsToSquash",
+			Other: "Nie masz commitów do ściśnięcia",
+		}, &i18n.Message{
+			ID:    "CantFixupWhileUnstagedChanges",
+			Other: "Nie można wykonać naprawy, kiedy istnieją niezatwierdzone zmiany",
+		}, &i18n.Message{
+			ID:    "Fixup",
+			Other: "Napraw",
+		}, &i18n.Message{
+			ID:    "SureFixupThisCommit",
+			Other: "Jesteś pewny, ze chcesz naprawić ten commit? Commit poniżej zostanie ściśnięty w górę wraz z tym",
+		}, &i18n.Message{
+			ID:    "OnlyRenameTopCommit",
+			Other: "Można przmianować tylko najwyższy commit",
+		}, &i18n.Message{
+			ID:    "renameCommit",
+			Other: "przemianuj commit",
+		}, &i18n.Message{
+			ID:    "renameCommitEditor",
+			Other: "przemianuj commit w edytorze",
+		}, &i18n.Message{
+			ID:    "PotentialErrInGetselectedCommit",
+			Other: "potencjalny błąd w getSelected Commit (niedopasowane ui i stan)",
+		}, &i18n.Message{
+			ID:    "NoCommitsThisBranch",
+			Other: "Brak commitów dla tej gałęzi",
+		}, &i18n.Message{
+			ID:    "Error",
+			Other: "Błąd",
+		}, &i18n.Message{
+			ID:    "resizingPopupPanel",
+			Other: "skalowanie wyskakującego panelu",
+		}, &i18n.Message{
+			ID:    "RunningSubprocess",
+			Other: "uruchomiony podproces",
+		}, &i18n.Message{
+			ID:    "selectHunk",
+			Other: "wybierz kawałek",
+		}, &i18n.Message{
+			ID:    "navigateConflicts",
+			Other: "nawiguj konflikty",
+		}, &i18n.Message{
+			ID:    "pickHunk",
+			Other: "wybierz kawałek",
+		}, &i18n.Message{
+			ID:    "pickBothHunks",
+			Other: "wybierz oba kawałki",
+		}, &i18n.Message{
+			ID:    "undo",
+			Other: "cofnij",
+		}, &i18n.Message{
+			ID:    "pop",
+			Other: "wyciągnij",
+		}, &i18n.Message{
+			ID:    "drop",
+			Other: "porzuć",
+		}, &i18n.Message{
+			ID:    "apply",
+			Other: "zastosuj",
+		}, &i18n.Message{
+			ID:    "NoStashEntries",
+			Other: "Brak pozycji w schowku",
+		}, &i18n.Message{
+			ID:    "StashDrop",
+			Other: "Porzuć schowek",
+		}, &i18n.Message{
+			ID:    "SureDropStashEntry",
+			Other: "Jesteś pewny, że chcesz porzucić tę pozycję w schowku?",
+		}, &i18n.Message{
+			ID:    "NoStashTo",
+			Other: "Brak schowka dla {{.method}}",
+		}, &i18n.Message{
+			ID:    "NoTrackedStagedFilesStash",
+			Other: "Nie masz śledzonych/zatwierdzonych plików do przechowania",
+		}, &i18n.Message{
+			ID:    "StashChanges",
+			Other: "Przechowaj zmiany",
+		}, &i18n.Message{
+			ID:    "IssntListOfViews",
+			Other: "{{.name}} nie jest na liście widoków",
+		}, &i18n.Message{
+			ID:    "NoViewMachingNewLineFocusedSwitchStatement",
+			Other: "Brak widoku pasującego do instrukcji przełączania newLineFocused",
+		}, &i18n.Message{
+			ID:    "settingPreviewsViewTo",
+			Other: "ustawianie poprzedniego widoku na: {{.oldViewName}}",
+		}, &i18n.Message{
+			ID:    "newFocusedViewIs",
+			Other: "nowy skupiony widok to {{.newFocusedView}}",
+		}, &i18n.Message{
+			ID:    "CantCloseConfirmationPrompt",
+			Other: "Nie można zamknąć monitu potwierdzenia: {{.error}}",
+		}, &i18n.Message{
+			ID:    "NoChangedFiles",
+			Other: "Brak zmienionych plików",
+		}, &i18n.Message{
+			ID:    "ClearFilePanel",
+			Other: "Wyczyść panel plików",
+		}, &i18n.Message{
+			ID:    "MergeAborted",
+			Other: "Scalanie anulowane",
+		}, &i18n.Message{
+			ID:    "OpenConfig",
+			Other: "otwórz plik konfiguracyjny",
+		}, &i18n.Message{
+			ID:    "EditConfig",
+			Other: "edytuj plik konfiguracyjny",
+		}, &i18n.Message{
+			ID:    "ForcePush",
+			Other: "Wymuś wypchnięcie",
+		}, &i18n.Message{
+			ID:    "ForcePushPrompt",
+			Other: "Twoja gałąź rozeszła się z gałęzią zdalną. Wciśnij 'esc' aby anulować lub 'enter' aby wymusić wypchnięcie.",
+		}, &i18n.Message{
+			ID:    "checkForUpdate",
+			Other: "sprawdź aktualizacje",
+		}, &i18n.Message{
+			ID:    "CheckingForUpdates",
+			Other: "Sprawdzanie aktualizacji...",
+		}, &i18n.Message{
+			ID:    "OnLatestVersionErr",
+			Other: "Już posiadasz najnowszą wersję",
+		}, &i18n.Message{
+			ID:    "MajorVersionErr",
+			Other: "Nowa wersja ({{.newVersion}}) posiada niekompatybilne zmiany w porównaniu do obecnej wersji ({{.currentVersion}})",
+		}, &i18n.Message{
+			ID:    "CouldNotFindBinaryErr",
+			Other: "Nie można znaleźć pliku binarnego w {{.url}}",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingTitle",
+			Other: "Help make lazygit better",
+		}, &i18n.Message{
+			ID:    "AnonymousReportingPrompt",
+			Other: "Włączyć anonimowe raportowanie błędów w celu pomocy w usprawnianiu lazygita (enter/esc)?",
+		}, &i18n.Message{
+			ID:    "removeFile",
+			Other: `usuń jeśli nie śledzony / przełącz jeśli śledzony`,
+		}, &i18n.Message{
+			ID:    "editFile",
+			Other: `edytuj plik`,
+		}, &i18n.Message{
+			ID:    "openFile",
+			Other: `otwórz plik`,
+		}, &i18n.Message{
+			ID:    "ignoreFile",
+			Other: `dodaj do .gitignore`,
+		}, &i18n.Message{
+			ID:    "refreshFiles",
+			Other: `odśwież pliki`,
+		}, &i18n.Message{
+			ID:    "resetHard",
+			Other: `zresetuj twardo i usuń niepotwierdzone pliki`,
+		}, &i18n.Message{
+			ID:    "mergeIntoCurrentBranch",
+			Other: `scal do obecnej gałęzi`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Na pewno chcesz wyjść z programu?`,
+		}, &i18n.Message{
+			ID:    "UnsupportedGitService",
+			Other: `Nieobsługiwana usługa git`,
+		}, &i18n.Message{
+			ID:    "createPullRequest",
+			Other: `utwórz żądanie wyciągnięcia`,
+		}, &i18n.Message{
+			ID:    "NoBranchOnRemote",
+			Other: `Ta gałąź nie istnieje na zdalnym. Najpierw musisz go odepchnąć na odległość.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `No automatic git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit can't use "git fetch" in a private repo use f in the branches panel to run "git fetch" manually`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `zatwierdź pojedyncze linie`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Można tylko zatwierdzić pojedyncze linie dla śledzonych plików z niezatwierdzonymi zmianami`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Zatwierdzanie`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `zatwierdź kawałek`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `zatwierdź linię`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `wróć do panelu plików`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Nie można znaleźć żadnych kawałków w tej łatce`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Nie można znaleźć kawałka`,
+		},
+	)
+}

pkg/test/test.go

@@ -0,0 +1,31 @@
+package test
+
+import (
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// GenerateRepo generates a repo from test/repos and changes the directory to be
+// inside the newly made repo
+func GenerateRepo(filename string) error {
+	reposDir := "/test/repos/"
+	testPath := utils.GetProjectRoot() + reposDir
+
+	// workaround for debian packaging
+	if _, err := os.Stat(testPath); os.IsNotExist(err) {
+		cwd, _ := os.Getwd()
+		testPath = filepath.Dir(filepath.Dir(cwd)) + reposDir
+	}
+	if err := os.Chdir(testPath); err != nil {
+		return err
+	}
+	if output, err := exec.Command("bash", filename).CombinedOutput(); err != nil {
+		return errors.New(string(output))
+	}
+
+	return os.Chdir(testPath + "repo")
+}

pkg/updates/updates.go

@@ -0,0 +1,312 @@
+package updates
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/kardianos/osext"
+
+	getter "github.com/jesseduffield/go-getter"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/sirupsen/logrus"
+)
+
+// Updater checks for updates and does updates
+type Updater struct {
+	Log       *logrus.Entry
+	Config    config.AppConfigurer
+	OSCommand *commands.OSCommand
+	Tr        *i18n.Localizer
+}
+
+// Updaterer implements the check and update methods
+type Updaterer interface {
+	CheckForNewUpdate()
+	Update()
+}
+
+const (
+	PROJECT_URL = "https://github.com/jesseduffield/lazygit"
+)
+
+// NewUpdater creates a new updater
+func NewUpdater(log *logrus.Entry, config config.AppConfigurer, osCommand *commands.OSCommand, tr *i18n.Localizer) (*Updater, error) {
+	contextLogger := log.WithField("context", "updates")
+
+	return &Updater{
+		Log:       contextLogger,
+		Config:    config,
+		OSCommand: osCommand,
+		Tr:        tr,
+	}, nil
+}
+
+func (u *Updater) getLatestVersionNumber() (string, error) {
+	req, err := http.NewRequest("GET", PROJECT_URL+"/releases/latest", nil)
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Accept", "application/json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	dec := json.NewDecoder(resp.Body)
+	data := struct {
+		TagName string `json:"tag_name"`
+	}{}
+	if err := dec.Decode(&data); err != nil {
+		return "", err
+	}
+
+	return data.TagName, nil
+}
+
+// RecordLastUpdateCheck records last time an update check was performed
+func (u *Updater) RecordLastUpdateCheck() error {
+	u.Config.GetAppState().LastUpdateCheck = time.Now().Unix()
+	return u.Config.SaveAppState()
+}
+
+// expecting version to be of the form `v12.34.56`
+func (u *Updater) majorVersionDiffers(oldVersion, newVersion string) bool {
+	if oldVersion == "unversioned" {
+		return false
+	}
+	oldVersion = strings.TrimPrefix(oldVersion, "v")
+	newVersion = strings.TrimPrefix(newVersion, "v")
+	return strings.Split(oldVersion, ".")[0] != strings.Split(newVersion, ".")[0]
+}
+
+func (u *Updater) checkForNewUpdate() (string, error) {
+	u.Log.Info("Checking for an updated version")
+	currentVersion := u.Config.GetVersion()
+	if err := u.RecordLastUpdateCheck(); err != nil {
+		return "", err
+	}
+
+	newVersion, err := u.getLatestVersionNumber()
+	if err != nil {
+		return "", err
+	}
+	u.Log.Info("Current version is " + currentVersion)
+	u.Log.Info("New version is " + newVersion)
+
+	if newVersion == currentVersion {
+		return "", errors.New(u.Tr.SLocalize("OnLatestVersionErr"))
+	}
+
+	if u.majorVersionDiffers(currentVersion, newVersion) {
+		errMessage := u.Tr.TemplateLocalize(
+			"MajorVersionErr",
+			i18n.Teml{
+				"newVersion":     newVersion,
+				"currentVersion": currentVersion,
+			},
+		)
+		return "", errors.New(errMessage)
+	}
+
+	rawUrl, err := u.getBinaryUrl(newVersion)
+	if err != nil {
+		return "", err
+	}
+	u.Log.Info("Checking for resource at url " + rawUrl)
+	if !u.verifyResourceFound(rawUrl) {
+		errMessage := u.Tr.TemplateLocalize(
+			"CouldNotFindBinaryErr",
+			i18n.Teml{
+				"url": rawUrl,
+			},
+		)
+		return "", errors.New(errMessage)
+	}
+	u.Log.Info("Verified resource is available, ready to update")
+
+	return newVersion, nil
+}
+
+// CheckForNewUpdate checks if there is an available update
+func (u *Updater) CheckForNewUpdate(onFinish func(string, error) error, userRequested bool) {
+	if !userRequested && u.skipUpdateCheck() {
+		return
+	}
+
+	go func() {
+		newVersion, err := u.checkForNewUpdate()
+		if err = onFinish(newVersion, err); err != nil {
+			u.Log.Error(err)
+		}
+	}()
+}
+
+func (u *Updater) skipUpdateCheck() bool {
+	// will remove the check for windows after adding a manifest file asking for
+	// the required permissions
+	if runtime.GOOS == "windows" {
+		u.Log.Info("Updating is currently not supported for windows until we can fix permission issues")
+		return true
+	}
+
+	if u.Config.GetVersion() == "unversioned" {
+		u.Log.Info("Current version is not built from an official release so we won't check for an update")
+		return true
+	}
+
+	if u.Config.GetBuildSource() != "buildBinary" {
+		u.Log.Info("Binary is not built with the buildBinary flag so we won't check for an update")
+		return true
+	}
+
+	userConfig := u.Config.GetUserConfig()
+	if userConfig.Get("update.method") == "never" {
+		u.Log.Info("Update method is set to never so we won't check for an update")
+		return true
+	}
+
+	currentTimestamp := time.Now().Unix()
+	lastUpdateCheck := u.Config.GetAppState().LastUpdateCheck
+	days := userConfig.GetInt64("update.days")
+
+	if (currentTimestamp-lastUpdateCheck)/(60*60*24) < days {
+		u.Log.Info("Last update was too recent so we won't check for an update")
+		return true
+	}
+
+	return false
+}
+
+func (u *Updater) mappedOs(os string) string {
+	osMap := map[string]string{
+		"darwin":  "Darwin",
+		"linux":   "Linux",
+		"windows": "Windows",
+	}
+	result, found := osMap[os]
+	if found {
+		return result
+	}
+	return os
+}
+
+func (u *Updater) mappedArch(arch string) string {
+	archMap := map[string]string{
+		"386":   "32-bit",
+		"amd64": "x86_64",
+	}
+	result, found := archMap[arch]
+	if found {
+		return result
+	}
+	return arch
+}
+
+// example: https://github.com/jesseduffield/lazygit/releases/download/v0.1.73/lazygit_0.1.73_Darwin_x86_64.tar.gz
+func (u *Updater) getBinaryUrl(newVersion string) (string, error) {
+	extension := "tar.gz"
+	if runtime.GOOS == "windows" {
+		extension = "zip"
+	}
+	url := fmt.Sprintf(
+		"%s/releases/download/%s/lazygit_%s_%s_%s.%s",
+		PROJECT_URL,
+		newVersion,
+		newVersion[1:],
+		u.mappedOs(runtime.GOOS),
+		u.mappedArch(runtime.GOARCH),
+		extension,
+	)
+	u.Log.Info("Url for latest release is " + url)
+	return url, nil
+}
+
+// Update downloads the latest binary and replaces the current binary with it
+func (u *Updater) Update(newVersion string, onFinish func(error) error) {
+	go func() {
+		err := u.update(newVersion)
+		if err = onFinish(err); err != nil {
+			u.Log.Error(err)
+		}
+	}()
+}
+
+func (u *Updater) update(newVersion string) error {
+	rawUrl, err := u.getBinaryUrl(newVersion)
+	if err != nil {
+		return err
+	}
+	u.Log.Info("Updating with url " + rawUrl)
+	return u.downloadAndInstall(rawUrl)
+}
+
+func (u *Updater) downloadAndInstall(rawUrl string) error {
+	url, err := url.Parse(rawUrl)
+	if err != nil {
+		return err
+	}
+
+	g := new(getter.HttpGetter)
+	tempDir, err := ioutil.TempDir("", "lazygit")
+	if err != nil {
+		return err
+	}
+	defer os.RemoveAll(tempDir)
+	u.Log.Info("Temp directory is " + tempDir)
+
+	// Get it!
+	if err := g.Get(tempDir, url); err != nil {
+		return err
+	}
+
+	// get the path of the current binary
+	binaryPath, err := osext.Executable()
+	if err != nil {
+		return err
+	}
+	u.Log.Info("Binary path is " + binaryPath)
+
+	binaryName := filepath.Base(binaryPath)
+	u.Log.Info("Binary name is " + binaryName)
+
+	// Verify the main file exists
+	tempPath := filepath.Join(tempDir, binaryName)
+	u.Log.Info("Temp path to binary is " + tempPath)
+	if _, err := os.Stat(tempPath); err != nil {
+		return err
+	}
+
+	// swap out the old binary for the new one
+	err = os.Rename(tempPath, binaryPath)
+	if err != nil {
+		return err
+	}
+	u.Log.Info("Update complete!")
+
+	return nil
+}
+
+func (u *Updater) verifyResourceFound(rawUrl string) bool {
+	resp, err := http.Head(rawUrl)
+	if err != nil {
+		return false
+	}
+	defer resp.Body.Close()
+	u.Log.Info("Received status code ", resp.StatusCode)
+	// 403 means the resource is there (not going to bother adding extra request headers)
+	// 404 means its not
+	return resp.StatusCode == 403
+}

pkg/utils/utils.go

@@ -0,0 +1,243 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+)
+
+// SplitLines takes a multiline string and splits it on newlines
+// currently we are also stripping \r's which may have adverse effects for
+// windows users (but no issues have been raised yet)
+func SplitLines(multilineString string) []string {
+	multilineString = strings.Replace(multilineString, "\r", "", -1)
+	if multilineString == "" || multilineString == "\n" {
+		return make([]string, 0)
+	}
+	lines := strings.Split(multilineString, "\n")
+	if lines[len(lines)-1] == "" {
+		return lines[:len(lines)-1]
+	}
+	return lines
+}
+
+// WithPadding pads a string as much as you want
+func WithPadding(str string, padding int) string {
+	if padding-len(str) < 0 {
+		return str
+	}
+	return str + strings.Repeat(" ", padding-len(str))
+}
+
+// ColoredString takes a string and a colour attribute and returns a colored
+// string with that attribute
+func ColoredString(str string, colorAttribute color.Attribute) string {
+	colour := color.New(colorAttribute)
+	return ColoredStringDirect(str, colour)
+}
+
+// ColoredStringDirect used for aggregating a few color attributes rather than
+// just sending a single one
+func ColoredStringDirect(str string, colour *color.Color) string {
+	return colour.SprintFunc()(fmt.Sprint(str))
+}
+
+// GetCurrentRepoName gets the repo's base name
+func GetCurrentRepoName() string {
+	pwd, err := os.Getwd()
+	if err != nil {
+		log.Fatalln(err.Error())
+	}
+	return filepath.Base(pwd)
+}
+
+// TrimTrailingNewline - Trims the trailing newline
+// TODO: replace with `chomp` after refactor
+func TrimTrailingNewline(str string) string {
+	if strings.HasSuffix(str, "\n") {
+		return str[:len(str)-1]
+	}
+	return str
+}
+
+// NormalizeLinefeeds - Removes all Windows and Mac style line feeds
+func NormalizeLinefeeds(str string) string {
+	str = strings.Replace(str, "\r\n", "\n", -1)
+	str = strings.Replace(str, "\r", "", -1)
+	return str
+}
+
+// GetProjectRoot returns the path to the root of the project. Only to be used
+// in testing contexts, as with binaries it's unlikely this path will exist on
+// the machine
+func GetProjectRoot() string {
+	dir, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+	return strings.Split(dir, "lazygit")[0] + "lazygit"
+}
+
+// Loader dumps a string to be displayed as a loader
+func Loader() string {
+	characters := "|/-\\"
+	now := time.Now()
+	nanos := now.UnixNano()
+	index := nanos / 50000000 % int64(len(characters))
+	return characters[index : index+1]
+}
+
+// ResolvePlaceholderString populates a template with values
+func ResolvePlaceholderString(str string, arguments map[string]string) string {
+	for key, value := range arguments {
+		str = strings.Replace(str, "{{"+key+"}}", value, -1)
+	}
+	return str
+}
+
+// Min returns the minimum of two integers
+func Min(x, y int) int {
+	if x < y {
+		return x
+	}
+	return y
+}
+
+type Displayable interface {
+	GetDisplayStrings() []string
+}
+
+// RenderList takes a slice of items, confirms they implement the Displayable
+// interface, then generates a list of their displaystrings to write to a panel's
+// buffer
+func RenderList(slice interface{}) (string, error) {
+	s := reflect.ValueOf(slice)
+	if s.Kind() != reflect.Slice {
+		return "", errors.New("RenderList given a non-slice type")
+	}
+
+	displayables := make([]Displayable, s.Len())
+
+	for i := 0; i < s.Len(); i++ {
+		value, ok := s.Index(i).Interface().(Displayable)
+		if !ok {
+			return "", errors.New("item does not implement the Displayable interface")
+		}
+		displayables[i] = value
+	}
+
+	return renderDisplayableList(displayables)
+}
+
+// renderDisplayableList takes a list of displayable items, obtains their display
+// strings via GetDisplayStrings() and then returns a single string containing
+// each item's string representation on its own line, with appropriate horizontal
+// padding between the item's own strings
+func renderDisplayableList(items []Displayable) (string, error) {
+	if len(items) == 0 {
+		return "", nil
+	}
+
+	stringArrays := getDisplayStringArrays(items)
+
+	if !displayArraysAligned(stringArrays) {
+		return "", errors.New("Each item must return the same number of strings to display")
+	}
+
+	padWidths := getPadWidths(stringArrays)
+	paddedDisplayStrings := getPaddedDisplayStrings(stringArrays, padWidths)
+
+	return strings.Join(paddedDisplayStrings, "\n"), nil
+}
+
+func getPadWidths(stringArrays [][]string) []int {
+	if len(stringArrays[0]) <= 1 {
+		return []int{}
+	}
+	padWidths := make([]int, len(stringArrays[0])-1)
+	for i := range padWidths {
+		for _, strings := range stringArrays {
+			if len(strings[i]) > padWidths[i] {
+				padWidths[i] = len(strings[i])
+			}
+		}
+	}
+	return padWidths
+}
+
+func getPaddedDisplayStrings(stringArrays [][]string, padWidths []int) []string {
+	paddedDisplayStrings := make([]string, len(stringArrays))
+	for i, stringArray := range stringArrays {
+		if len(stringArray) == 0 {
+			continue
+		}
+		for j, padWidth := range padWidths {
+			paddedDisplayStrings[i] += WithPadding(stringArray[j], padWidth) + " "
+		}
+		paddedDisplayStrings[i] += stringArray[len(padWidths)]
+	}
+	return paddedDisplayStrings
+}
+
+// displayArraysAligned returns true if every string array returned from our
+// list of displayables has the same length
+func displayArraysAligned(stringArrays [][]string) bool {
+	for _, strings := range stringArrays {
+		if len(strings) != len(stringArrays[0]) {
+			return false
+		}
+	}
+	return true
+}
+
+func getDisplayStringArrays(displayables []Displayable) [][]string {
+	stringArrays := make([][]string, len(displayables))
+	for i, item := range displayables {
+		stringArrays[i] = item.GetDisplayStrings()
+	}
+	return stringArrays
+}
+
+// IncludesString if the list contains the string
+func IncludesString(list []string, a string) bool {
+	for _, b := range list {
+		if b == a {
+			return true
+		}
+	}
+	return false
+}
+
+// NextIndex returns the index of the element that comes after the given number
+func NextIndex(numbers []int, currentNumber int) int {
+	for index, number := range numbers {
+		if number > currentNumber {
+			return index
+		}
+	}
+	return 0
+}
+
+// PrevIndex returns the index that comes before the given number, cycling if we reach the end
+func PrevIndex(numbers []int, currentNumber int) int {
+	end := len(numbers) - 1
+	for i := end; i >= 0; i -= 1 {
+		if numbers[i] < currentNumber {
+			return i
+		}
+	}
+	return end
+}
+
+func AsJson(i interface{}) string {
+	bytes, _ := json.MarshalIndent(i, "", "    ")
+	return string(bytes)
+}

pkg/utils/utils_test.go

@@ -0,0 +1,530 @@
+package utils
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestSplitLines is a function.
+func TestSplitLines(t *testing.T) {
+	type scenario struct {
+		multilineString string
+		expected        []string
+	}
+
+	scenarios := []scenario{
+		{
+			"",
+			[]string{},
+		},
+		{
+			"\n",
+			[]string{},
+		},
+		{
+			"hello world !\nhello universe !\n",
+			[]string{
+				"hello world !",
+				"hello universe !",
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, SplitLines(s.multilineString))
+	}
+}
+
+// TestWithPadding is a function.
+func TestWithPadding(t *testing.T) {
+	type scenario struct {
+		str      string
+		padding  int
+		expected string
+	}
+
+	scenarios := []scenario{
+		{
+			"hello world !",
+			1,
+			"hello world !",
+		},
+		{
+			"hello world !",
+			14,
+			"hello world ! ",
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, WithPadding(s.str, s.padding))
+	}
+}
+
+// TestTrimTrailingNewline is a function.
+func TestTrimTrailingNewline(t *testing.T) {
+	type scenario struct {
+		str      string
+		expected string
+	}
+
+	scenarios := []scenario{
+		{
+			"hello world !\n",
+			"hello world !",
+		},
+		{
+			"hello world !",
+			"hello world !",
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, TrimTrailingNewline(s.str))
+	}
+}
+
+// TestNormalizeLinefeeds is a function.
+func TestNormalizeLinefeeds(t *testing.T) {
+	type scenario struct {
+		byteArray []byte
+		expected  []byte
+	}
+	var scenarios = []scenario{
+		{
+			// \r\n
+			[]byte{97, 115, 100, 102, 13, 10},
+			[]byte{97, 115, 100, 102, 10},
+		},
+		{
+			// bash\r\nblah
+			[]byte{97, 115, 100, 102, 13, 10, 97, 115, 100, 102},
+			[]byte{97, 115, 100, 102, 10, 97, 115, 100, 102},
+		},
+		{
+			// \r
+			[]byte{97, 115, 100, 102, 13},
+			[]byte{97, 115, 100, 102},
+		},
+		{
+			// \n
+			[]byte{97, 115, 100, 102, 10},
+			[]byte{97, 115, 100, 102, 10},
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, string(s.expected), NormalizeLinefeeds(string(s.byteArray)))
+	}
+}
+
+// TestResolvePlaceholderString is a function.
+func TestResolvePlaceholderString(t *testing.T) {
+	type scenario struct {
+		templateString string
+		arguments      map[string]string
+		expected       string
+	}
+
+	scenarios := []scenario{
+		{
+			"",
+			map[string]string{},
+			"",
+		},
+		{
+			"hello",
+			map[string]string{},
+			"hello",
+		},
+		{
+			"hello {{arg}}",
+			map[string]string{},
+			"hello {{arg}}",
+		},
+		{
+			"hello {{arg}}",
+			map[string]string{"arg": "there"},
+			"hello there",
+		},
+		{
+			"hello",
+			map[string]string{"arg": "there"},
+			"hello",
+		},
+		{
+			"{{nothing}}",
+			map[string]string{"nothing": ""},
+			"",
+		},
+		{
+			"{{}} {{ this }} { should not throw}} an {{{{}}}} error",
+			map[string]string{
+				"blah": "blah",
+				"this": "won't match",
+			},
+			"{{}} {{ this }} { should not throw}} an {{{{}}}} error",
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, string(s.expected), ResolvePlaceholderString(s.templateString, s.arguments))
+	}
+}
+
+// TestDisplayArraysAligned is a function.
+func TestDisplayArraysAligned(t *testing.T) {
+	type scenario struct {
+		input    [][]string
+		expected bool
+	}
+
+	scenarios := []scenario{
+		{
+			[][]string{{"", ""}, {"", ""}},
+			true,
+		},
+		{
+			[][]string{{""}, {"", ""}},
+			false,
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, displayArraysAligned(s.input))
+	}
+}
+
+type myDisplayable struct {
+	strings []string
+}
+
+type myStruct struct{}
+
+// GetDisplayStrings is a function.
+func (d *myDisplayable) GetDisplayStrings() []string {
+	return d.strings
+}
+
+// TestGetDisplayStringArrays is a function.
+func TestGetDisplayStringArrays(t *testing.T) {
+	type scenario struct {
+		input    []Displayable
+		expected [][]string
+	}
+
+	scenarios := []scenario{
+		{
+			[]Displayable{
+				Displayable(&myDisplayable{[]string{"a", "b"}}),
+				Displayable(&myDisplayable{[]string{"c", "d"}}),
+			},
+			[][]string{{"a", "b"}, {"c", "d"}},
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, getDisplayStringArrays(s.input))
+	}
+}
+
+// TestRenderDisplayableList is a function.
+func TestRenderDisplayableList(t *testing.T) {
+	type scenario struct {
+		input          []Displayable
+		expectedString string
+		expectedError  error
+	}
+
+	scenarios := []scenario{
+		{
+			[]Displayable{
+				Displayable(&myDisplayable{[]string{}}),
+				Displayable(&myDisplayable{[]string{}}),
+			},
+			"\n",
+			nil,
+		},
+		{
+			[]Displayable{
+				Displayable(&myDisplayable{[]string{"aa", "b"}}),
+				Displayable(&myDisplayable{[]string{"c", "d"}}),
+			},
+			"aa b\nc  d",
+			nil,
+		},
+		{
+			[]Displayable{
+				Displayable(&myDisplayable{[]string{"a"}}),
+				Displayable(&myDisplayable{[]string{"b", "c"}}),
+			},
+			"",
+			errors.New("Each item must return the same number of strings to display"),
+		},
+	}
+
+	for _, s := range scenarios {
+		str, err := renderDisplayableList(s.input)
+		assert.EqualValues(t, s.expectedString, str)
+		assert.EqualValues(t, s.expectedError, err)
+	}
+}
+
+// TestRenderList is a function.
+func TestRenderList(t *testing.T) {
+	type scenario struct {
+		input          interface{}
+		expectedString string
+		expectedError  error
+	}
+
+	scenarios := []scenario{
+		{
+			[]*myDisplayable{
+				{[]string{"aa", "b"}},
+				{[]string{"c", "d"}},
+			},
+			"aa b\nc  d",
+			nil,
+		},
+		{
+			[]*myStruct{
+				{},
+				{},
+			},
+			"",
+			errors.New("item does not implement the Displayable interface"),
+		},
+		{
+			&myStruct{},
+			"",
+			errors.New("RenderList given a non-slice type"),
+		},
+	}
+
+	for _, s := range scenarios {
+		str, err := RenderList(s.input)
+		assert.EqualValues(t, s.expectedString, str)
+		assert.EqualValues(t, s.expectedError, err)
+	}
+}
+
+// TestGetPaddedDisplayStrings is a function.
+func TestGetPaddedDisplayStrings(t *testing.T) {
+	type scenario struct {
+		stringArrays [][]string
+		padWidths    []int
+		expected     []string
+	}
+
+	scenarios := []scenario{
+		{
+			[][]string{{"a", "b"}, {"c", "d"}},
+			[]int{1},
+			[]string{"a b", "c d"},
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, getPaddedDisplayStrings(s.stringArrays, s.padWidths))
+	}
+}
+
+// TestGetPadWidths is a function.
+func TestGetPadWidths(t *testing.T) {
+	type scenario struct {
+		stringArrays [][]string
+		expected     []int
+	}
+
+	scenarios := []scenario{
+		{
+			[][]string{{""}, {""}},
+			[]int{},
+		},
+		{
+			[][]string{{"a"}, {""}},
+			[]int{},
+		},
+		{
+			[][]string{{"aa", "b", "ccc"}, {"c", "d", "e"}},
+			[]int{2, 1},
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, getPadWidths(s.stringArrays))
+	}
+}
+
+// TestMin is a function.
+func TestMin(t *testing.T) {
+	type scenario struct {
+		a        int
+		b        int
+		expected int
+	}
+
+	scenarios := []scenario{
+		{
+			1,
+			1,
+			1,
+		},
+		{
+			1,
+			2,
+			1,
+		},
+		{
+			2,
+			1,
+			1,
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, Min(s.a, s.b))
+	}
+}
+
+// TestIncludesString is a function.
+func TestIncludesString(t *testing.T) {
+	type scenario struct {
+		list     []string
+		element  string
+		expected bool
+	}
+
+	scenarios := []scenario{
+		{
+			[]string{"a", "b"},
+			"a",
+			true,
+		},
+		{
+			[]string{"a", "b"},
+			"c",
+			false,
+		},
+		{
+			[]string{"a", "b"},
+			"",
+			false,
+		},
+		{
+			[]string{""},
+			"",
+			true,
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, s.expected, IncludesString(s.list, s.element))
+	}
+}
+
+func TestNextIndex(t *testing.T) {
+	type scenario struct {
+		testName string
+		list     []int
+		element  int
+		expected int
+	}
+
+	scenarios := []scenario{
+		{
+			// I'm not really fussed about how it behaves here
+			"no elements",
+			[]int{},
+			1,
+			0,
+		},
+		{
+			"one element",
+			[]int{1},
+			1,
+			0,
+		},
+		{
+			"two elements",
+			[]int{1, 2},
+			1,
+			1,
+		},
+		{
+			"two elements, giving second one",
+			[]int{1, 2},
+			2,
+			0,
+		},
+		{
+			"three elements, giving second one",
+			[]int{1, 2, 3},
+			2,
+			2,
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			assert.EqualValues(t, s.expected, NextIndex(s.list, s.element))
+		})
+	}
+}
+
+func TestPrevIndex(t *testing.T) {
+	type scenario struct {
+		testName string
+		list     []int
+		element  int
+		expected int
+	}
+
+	scenarios := []scenario{
+		{
+			// I'm not really fussed about how it behaves here
+			"no elements",
+			[]int{},
+			1,
+			-1,
+		},
+		{
+			"one element",
+			[]int{1},
+			1,
+			0,
+		},
+		{
+			"two elements",
+			[]int{1, 2},
+			1,
+			1,
+		},
+		{
+			"three elements, giving second one",
+			[]int{1, 2, 3},
+			2,
+			0,
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			assert.EqualValues(t, s.expected, PrevIndex(s.list, s.element))
+		})
+	}
+}
+
+func TestAsJson(t *testing.T) {
+	type myStruct struct {
+		a string
+	}
+
+	output := AsJson(&myStruct{a: "foo"})
+
+	// no idea why this is returning empty hashes but it's works in the app ¯\_(ツ)_/¯
+	assert.EqualValues(t, "{}", output)
+}

scripts/bump_modules.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+GO111MODULE=on
+mv go.mod /tmp/
+go mod init

scripts/generate_cheatsheet.go

@@ -0,0 +1,63 @@
+// This "script" generates a file called Keybindings_{{.LANG}}.md
+// in current working directory.
+//
+// The content of this generated file is a keybindings cheatsheet.
+//
+// To generate cheatsheet in english run:
+//   LANG=en go run scripts/generate_cheatsheet.go
+
+package main
+
+import (
+	"fmt"
+	"github.com/jesseduffield/lazygit/pkg/app"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"log"
+	"os"
+	"strings"
+)
+
+func writeString(file *os.File, str string) {
+	_, err := file.WriteString(str)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func getTitle(mApp *app.App, viewName string) string {
+	viewTitle := strings.Title(viewName) + "Title"
+	translatedTitle := mApp.Tr.SLocalize(viewTitle)
+	formattedTitle := fmt.Sprintf("\n## %s\n\n", translatedTitle)
+	return formattedTitle
+}
+
+func main() {
+	mConfig, _ := config.NewAppConfig("", "", "", "", "", new(bool))
+	mApp, _ := app.Setup(mConfig)
+	lang := mApp.Tr.GetLanguage()
+	file, _ := os.Create("Keybindings_" + lang + ".md")
+	current := ""
+
+	writeString(file, fmt.Sprintf("# Lazygit %s\n", mApp.Tr.SLocalize("menu")))
+	writeString(file, getTitle(mApp, "global"))
+
+	writeString(file, "<pre>\n")
+
+	for _, binding := range mApp.Gui.GetKeybindings() {
+		if binding.Description == "" {
+			continue
+		}
+
+		if binding.ViewName != current {
+			current = binding.ViewName
+			writeString(file, "</pre>\n")
+			writeString(file, getTitle(mApp, current))
+			writeString(file, "<pre>\n")
+		}
+
+		info := fmt.Sprintf("  <kbd>%s</kbd>: %s\n", binding.GetKey(), binding.Description)
+		writeString(file, info)
+	}
+
+	writeString(file, "</pre>\n")
+}

scripts/push_new_patch/main.go

@@ -1,5 +1,5 @@
 // call from project root with
-// go run bin/push_new_patch.go
+// go run scripts/push_new_patch/main.go
 
 // goreleaser expects a $GITHUB_TOKEN env variable to be defined
 // in order to push the release got github

stash_panel.go

@@ -1,93 +0,0 @@
-package main
-
-import (
-	"fmt"
-
-	"github.com/jesseduffield/gocui"
-)
-
-func refreshStashEntries(g *gocui.Gui) error {
-	g.Update(func(g *gocui.Gui) error {
-		v, err := g.View("stash")
-		if err != nil {
-			panic(err)
-		}
-		state.StashEntries = getGitStashEntries()
-		v.Clear()
-		for _, stashEntry := range state.StashEntries {
-			fmt.Fprintln(v, stashEntry.DisplayString)
-		}
-		return resetOrigin(v)
-	})
-	return nil
-}
-
-func getSelectedStashEntry(v *gocui.View) *StashEntry {
-	if len(state.StashEntries) == 0 {
-		return nil
-	}
-	lineNumber := getItemPosition(v)
-	return &state.StashEntries[lineNumber]
-}
-
-func renderStashOptions(g *gocui.Gui) error {
-	return renderOptionsMap(g, map[string]string{
-		"space":   "apply",
-		"g":       "pop",
-		"d":       "drop",
-		"← → ↑ ↓": "navigate",
-	})
-}
-
-func handleStashEntrySelect(g *gocui.Gui, v *gocui.View) error {
-	if err := renderStashOptions(g); err != nil {
-		return err
-	}
-	go func() {
-		stashEntry := getSelectedStashEntry(v)
-		if stashEntry == nil {
-			renderString(g, "main", "No stash entries")
-			return
-		}
-		diff, _ := getStashEntryDiff(stashEntry.Index)
-		renderString(g, "main", diff)
-	}()
-	return nil
-}
-
-func handleStashApply(g *gocui.Gui, v *gocui.View) error {
-	return stashDo(g, v, "apply")
-}
-
-func handleStashPop(g *gocui.Gui, v *gocui.View) error {
-	return stashDo(g, v, "pop")
-}
-
-func handleStashDrop(g *gocui.Gui, v *gocui.View) error {
-	return createConfirmationPanel(g, v, "Stash drop", "Are you sure you want to drop this stash entry?", func(g *gocui.Gui, v *gocui.View) error {
-		return stashDo(g, v, "drop")
-	}, nil)
-}
-
-func stashDo(g *gocui.Gui, v *gocui.View, method string) error {
-	stashEntry := getSelectedStashEntry(v)
-	if stashEntry == nil {
-		return createErrorPanel(g, "No stash to "+method)
-	}
-	if output, err := gitStashDo(stashEntry.Index, method); err != nil {
-		createErrorPanel(g, output)
-	}
-	refreshStashEntries(g)
-	return refreshFiles(g)
-}
-
-func handleStashSave(g *gocui.Gui, filesView *gocui.View) error {
-	createPromptPanel(g, filesView, "Stash changes", func(g *gocui.Gui, v *gocui.View) error {
-		if output, err := gitStashSave(trimmedContent(v)); err != nil {
-			createErrorPanel(g, output)
-		}
-		refreshStashEntries(g)
-		return refreshFiles(g)
-	})
-	return nil
-}

status_panel.go

@@ -1,41 +0,0 @@
-package main
-
-import (
-	"fmt"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-func refreshStatus(g *gocui.Gui) error {
-	v, err := g.View("status")
-	if err != nil {
-		panic(err)
-	}
-	// for some reason if this isn't wrapped in an update the clear seems to
-	// be applied after the other things or something like that; the panel's
-	// contents end up cleared
-	g.Update(func(*gocui.Gui) error {
-		v.Clear()
-		pushables, pullables := gitUpstreamDifferenceCount()
-		fmt.Fprint(v, "↑"+pushables+"↓"+pullables)
-		branches := state.Branches
-		if err := updateHasMergeConflictStatus(); err != nil {
-			return err
-		}
-		if state.HasMergeConflicts {
-			fmt.Fprint(v, coloredString(" (merging)", color.FgYellow))
-		}
-
-		if len(branches) == 0 {
-			return nil
-		}
-		branch := branches[0]
-		name := coloredString(branch.Name, branch.getColor())
-		repo := getCurrentProject()
-		fmt.Fprint(v, " "+repo+" → "+name)
-		return nil
-	})
-
-	return nil
-}

test.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -e
+echo "" > coverage.txt
+
+for d in $( find ./* -maxdepth 10 ! -path "./vendor*" ! -path "./.git*" ! -path "./scripts*" -type d); do
+    if ls $d/*.go &> /dev/null; then
+        go test -v -race -coverprofile=profile.out -covermode=atomic $d
+        if [ -f profile.out ]; then
+            cat profile.out >> coverage.txt
+            rm profile.out
+        fi
+    fi
+done

test/case_insensitive_checkouts.sh

@@ -1,30 +0,0 @@
-#!/bin/bash
-
-# this script makes a repo with lots of commits
-
-# call this command from the test directory:
-# ./lots_of_commits.sh; cd testrepo; gg; cd ..
-
-# -e means exit if something fails
-# -x means print out simple commands before running them
-set -ex
-
-reponame="case_insensitive_checkouts"
-
-rm -rf ${reponame}
-mkdir ${reponame}
-cd ${reponame}
-
-git init
-
-touch foo
-git add foo
-git commit -m "init"
-git branch -a
-git branch test
-git branch TEST
-git checkout TEST
-git checkout TeST
-git checkout TesT
-git checkout TEsT
-git branch -a

test/hooks/pre-push

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# test pre-push hook for testing the lazygit credentials view
+#
+# to enable, use:
+# chmod +x .git/hooks/pre-push
+#
+# this will hang if you're using git from the command line, so only enable this
+# when you are testing the credentials view in lazygit
+
+exec < /dev/tty
+
+echo -n "Username for 'github': "
+read username
+
+echo -n "Password for 'github': "
+read password
+
+if [ "$username" = "username" -a "$password" = "password" ]; then
+  echo "success"
+  exit 0
+fi
+
+>&2 echo "incorrect username/password"
+exit 1

test/lots_of_commits.sh

@@ -1,30 +0,0 @@
-#!/bin/bash
-
-# this script makes a repo with lots of commits
-
-# call this command from the test directory:
-# ./lots_of_commits.sh; cd testrepo; gg; cd ..
-
-# -e means exit if something fails
-# -x means print out simple commands before running them
-set -ex
-
-reponame="lots_of_commits"
-
-rm -rf ${reponame}
-mkdir ${reponame}
-cd ${reponame}
-
-git init
-
-i=2
-end=100
-while [ $i -le $end ]; do
-    echo "file${i}" > file${i}
-    git add file${i}
-    git commit -m file${i}
-
-    i=$(($i+1))
-done
-
-echo "unstaged change" > file100