new version

Closes #685

.circleci/config.yml

@@ -0,0 +1,62 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/golang:1.13
+    environment:
+      GO111MODULE: "on"
+    working_directory: /go/src/github.com/jesseduffield/lazygit
+    steps:
+      - checkout
+      - 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 "go.sum" }}-v5
+      - run:
+          name: Run tests
+          command: |
+            ./test.sh
+      - run:
+          name: Push on codecov result
+          command: |
+            bash <(curl -s https://codecov.io/bash)
+      - run:
+          name: Compile project on every platform
+          command: |
+            go get github.com/mitchellh/gox
+            GOFLAGS=-mod=vendor gox -parallel 10 -os "linux freebsd netbsd windows" -osarch "darwin/i386 darwin/amd64"
+      - save_cache:
+          key: pkg-cache-{{ checksum "go.sum" }}-v5
+          paths:
+            - ~/.cache/go-build
+
+  release:
+    docker:
+      - image: circleci/golang:1.13
+    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/FUNDING.yml

@@ -0,0 +1,5 @@
+# These are supported funding model platforms
+
+github: [jesseduffield]
+ko_fi: jesseduffield
+custom: ['https://donorbox.org/lazygit']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**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/discussion.md

@@ -0,0 +1,14 @@
+---
+name: Discussion
+about: Begin a discussion
+title: ''
+labels: discussion
+assignees: ''
+
+---
+
+**Topic**
+A clear and concise description of what you want to discuss
+
+**Your thoughts**
+What you have to say about the topic

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**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

@@ -1,6 +1,28 @@
-development.log
-commands.log
-extra/lgit.rb
-notes/go.notes
-TODO.notes
-TODO.md
+# 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/
+
+test/git_server/data

.goreleaser.yml

@@ -0,0 +1,65 @@
+# 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
+      - 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
+
+archives:
+  - replacements:
+      darwin: Darwin
+      linux: Linux
+      windows: Windows
+      386: 32-bit
+      amd64: x86_64
+    format_overrides:
+      - goos: windows
+        format: zip
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: '{{ .Tag }}-next'
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+      - '^bump'
+brews:
+  -
+    # Reporitory to push the tap to.
+    github:
+      owner: jesseduffield
+      name: homebrew-lazygit
+
+    # Your app's homepage.
+    # Default is empty.
+    homepage: 'https://github.com/jesseduffield/lazygit/'
+
+    # Your app's description.
+    # Default is empty.
+    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

.travis.yml

@@ -1,38 +0,0 @@
-language: go
-sudo: false
-env:
-  - DEP_VERSION="0.5.0"
-matrix:
-  include:
-  - go: 1.7
-    env: LATEST=true
-  - go: tip
-  allow_failures:
-  - go: tip
-before_install:
-  # Download the binary to bin folder in $GOPATH
-  - curl -L -s https://github.com/golang/dep/releases/download/v${DEP_VERSION}/dep-linux-386 -o $GOPATH/bin/dep
-  # Make the binary executable
-  - chmod +x $GOPATH/bin/dep
-  - dep ensure
-install:
-  -
-script:
-# - go get -v ./...
-# - diff -u <(echo -n) <(gofmt -d .) # can't make gofmt ignore vendor directory
-# - go vet $(go list ./... | grep -v /vendor/)
-- if [ "${LATEST}" = "true" ]; then gox -os="linux darwin windows" -arch="amd64" -output="lazygit.."
-  -ldflags "-X main.Rev=`git rev-parse --short HEAD`" -verbose ./...; fi
-deploy:
-  provider: releases
-  skip_cleanup: true
-  api_key:
-    secure: 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
-  file:
-  - lazygit.windows.amd64.exe
-  - lazygit.darwin.amd64
-  - lazygit.linux.amd64
-  on:
-    repo: jesseduffield/lazygit
-    tags: true
-    condition: $LATEST = true

CODE-OF-CONDUCT.md

@@ -0,0 +1,74 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+  advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the [project leader](https://github.com/jesseduffield). 
+All complaints will be reviewed and investigated and will result in a response that
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org

CONTRIBUTING.md

@@ -0,0 +1,35 @@
+# Contributing
+
+
+♥ We love pull requests from everyone !
+
+
+When contributing to this repository, please first discuss the change you wish
+to make via issue, email, or any other method with the owners of this repository
+before making a change. 
+
+## So all code changes happen through Pull Requests
+Pull requests are the best way to propose changes to the codebase. We actively
+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. 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].
+
+[code of conduct]: https://github.com/jesseduffield/lazygit/blob/master/CODE-OF-CONDUCT.md
+
+## Any contributions you make will be under the MIT Software License
+In short, when you submit code changes, your submissions are understood to be
+under the same [MIT License](http://choosealicense.com/licenses/mit/) that
+covers the project. Feel free to contact the maintainers if that's a concern.
+
+## Report bugs using Github's [issues](https://github.com/jesseduffield/lazygit/issues)
+We use GitHub issues to track public bugs. Report a bug by [opening a new
+issue](https://github.com/jesseduffield/lazygit/issues/new); it's that easy!

Dockerfile

@@ -0,0 +1,15 @@
+# run with:
+# docker build -t lazygit .
+# docker run -it lazygit:latest /bin/sh -l
+
+FROM golang:1.13-alpine3.10
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY ./ .
+RUN CGO_ENABLED=0 GOOS=linux go build
+
+FROM alpine:3.10
+RUN apk add -U git xdg-utils
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY --from=0 /go/src/github.com/jesseduffield/lazygit /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

@@ -1,77 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  digest = "1:865079840386857c809b72ce300be7580cb50d3d3129ce11bf9aa6ca2bc1934a"
-  name = "github.com/fatih/color"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "5b77d2a35fb0ede96d138fc9a99f5c9b6aef11b4"
-  version = "v1.7.0"
-
-[[projects]]
-  branch = "master"
-  digest = "1:4a8ed9b8cf22bd03bee5d74179fa06a282e4a73b6de949f7a865ff56cd2537e0"
-  name = "github.com/golang-collections/collections"
-  packages = ["stack"]
-  pruneopts = "UT"
-  revision = "604e922904d35e97f98a774db7881f049cd8d970"
-
-[[projects]]
-  branch = "master"
-  digest = "1:f086cf183e423bf1926f4de05f47bf57132fe5db9c99e464f733ce925280fc81"
-  name = "github.com/jesseduffield/gocui"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "3c923f53ac9952af649af04a067405843558d56f"
-
-[[projects]]
-  digest = "1:c658e84ad3916da105a761660dcaeb01e63416c8ec7bc62256a9b411a05fcd67"
-  name = "github.com/mattn/go-colorable"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "167de6bfdfba052fa6b2d3664c8f5272e23c9072"
-  version = "v0.0.9"
-
-[[projects]]
-  digest = "1:d4d17353dbd05cb52a2a52b7fe1771883b682806f68db442b436294926bbfafb"
-  name = "github.com/mattn/go-isatty"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "0360b2af4f38e8d38c7fce2a9f4e702702d73a39"
-  version = "v0.0.3"
-
-[[projects]]
-  digest = "1:e2d1d410fb367567c2b53ed9e2d719d3c1f0891397bb2fa49afd747cfbf1e8e4"
-  name = "github.com/mattn/go-runewidth"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "9e777a8366cce605130a531d2cd6363d07ad7317"
-  version = "v0.0.2"
-
-[[projects]]
-  branch = "master"
-  digest = "1:c9b6e36dbd23f8403a04493376916ca5dad8c01b2da5ae0a05e6a468eb0b6f24"
-  name = "github.com/nsf/termbox-go"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "5c94acc5e6eb520f1bcd183974e01171cc4c23b3"
-
-[[projects]]
-  branch = "master"
-  digest = "1:9ec6ad2659635ba0974dd7e55bf84233523eb4e7535c9a2fddaefc4cc62a3eac"
-  name = "golang.org/x/sys"
-  packages = ["unix"]
-  pruneopts = "UT"
-  revision = "0ffbfd41fbef8ffcf9b62b0b0aa3a5873ed7a4fe"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  input-imports = [
-    "github.com/fatih/color",
-    "github.com/golang-collections/collections/stack",
-    "github.com/jesseduffield/gocui",
-  ]
-  solver-name = "gps-cdcl"
-  solver-version = 1

README.md

@@ -1,37 +1,171 @@
-# 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)]() [![TODOs](https://badgen.net/https/api.tickgit.com/badgen/github.com/jesseduffield/lazygit)](https://www.tickgit.com/browse?repo=github.com/jesseduffield/lazygit)
 
-A simple terminal UI for git commands, written in Go with the [gocui](https://github.com/jroimartin/gocui "gocui") library.
+A simple terminal UI for git commands, written in Go with the [gocui](https://github.com/jroimartin/gocui 'gocui') library.
 
-Are YOU tired of typing every git command directly into the terminal, but you're too stubborn to use Sourcetree because you'll never forgive Atlassian for making Jira? This is the app for you!
+Rant time: You've heard it before, git is _powerful_, but what good is that power when everything is so damn hard to do? Interactive rebasing requires you to edit a goddamn TODO file in your editor? *Are you kidding me?* To stage part of a file you need to use a command line program stepping through each hunk and if a hunk can't be split down any further but contains code you don't want to stage, bad luck? *Are you KIDDING me?!* Sometimes you get asked to stash your changes when switching branches only to realise that after you switch and unstash that there weren't even any conflicts and it would have been fine to just checkout the branch directly? *YOU HAVE GOT TO BE KIDDING ME!*
 
-[Tutorial](https://www.youtube.com/watch?v=VDXvbHZYeKY)
+If you're a mere mortal like me and you're tired of hearing how powerful git is when in your daily life it's a powerful pain in your ass, lazygit might be 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](/docs/keybindings)
+- [Cool Features](https://github.com/jesseduffield/lazygit#cool-features)
+- [Contributing](https://github.com/jesseduffield/lazygit#contributing)
+- [Video Tutorial](https://youtu.be/VDXvbHZYeKY)
+- [Rebase Magic Video Tutorial](https://youtu.be/4XaToVut_hs)
+- [Twitch Stream](https://www.twitch.tv/jesseduffield)
+
+[<img src="https://i.imgur.com/sVEktDn.png">](https://youtu.be/CPLdltN7wgE)
+
+Github Sponsors is matching all donations dollar-for-dollar for 12 months so if you're feeling generous consider [sponsoring me](https://github.com/sponsors/jesseduffield)
 
 ## Installation
-In a terminal call this command:
-`go get github.com/jesseduffield/lazygit`
-(if you don't have Go installed, you can follow the installation guide [here](https://golang.org/doc/install).
 
-Then just call `lazygit` in your terminal inside a git repository.
+### Homebrew
 
-If you want, you can also add an alias for this with `echo "alias lg='lazygit'" >> ~/.zshrc` (or whichever rc file you're using).
+Normally the lazygit formula can be found in the Homebrew core but we suggest you tap our formula to get the frequently updated one. It works with Linux, too.
 
-Please note:
-If you get an error claiming that lazygit cannot be found or is not defined, you may need to add `~/go/bin` to your $PATH (MacOS/Linux), or `%HOME%\go\bin` (Windows)
+Tap:
+
+```
+brew install jesseduffield/lazygit/lazygit
+```
+
+Core:
+
+```
+brew install lazygit
+```
+
+### MacPorts
+
+Latest version built from github releases.
+Tap:
+
+```
+sudo port install lazygit
+```
 
 ### Ubuntu
-Packages for Ubuntu 14.04 and up are available via Launchpad PPA.
 
-They are built daily, straight from master branch.
+Packages for Ubuntu are available via [Launchpad PPA](https://launchpad.net/~lazygit-team).
 
 ```sh
-sudo add-apt-repository ppa:lazygit-team/daily
+sudo add-apt-repository ppa:lazygit-team/release
 sudo apt-get update
 sudo apt-get install lazygit
 ```
 
+### Void Linux
+
+Packages for Void Linux are available in the distro repo
+
+They follow upstream latest releases
+
+```sh
+sudo xbps-install -S lazygit
+```
+### Scoop (Windows)
+
+You can install `lazygit` using [scoop](https://scoop.sh/). It's in the `extras` bucket:
+
+```sh
+# Add the extras bucket
+scoop bucket add extras
+
+# Install lazygit
+scoop install lazygit
+```
+
+### Arch Linux
+
+Packages for Arch Linux are available via AUR (Arch User Repository).
+
+There are two packages. The stable one which is built with the latest release
+and the git version which builds from the most recent commit.
+
+- Stable: <https://aur.archlinux.org/packages/lazygit/>
+- Development: <https://aur.archlinux.org/packages/lazygit-git/>
+
+Instruction of how to install AUR content can be found here:
+<https://wiki.archlinux.org/index.php/Arch_User_Repository>
+
+### Fedora and CentOS 7
+
+Packages for Fedora and CentOS 7 are available via [Copr](https://copr.fedorainfracloud.org/coprs/atim/lazygit/) (Cool Other Package Repo).
+
+```sh
+sudo dnf copr enable atim/lazygit -y
+sudo dnf install lazygit
+```
+
+### 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).
+
+### Go
+
+```sh
+go get github.com/jesseduffield/lazygit
+```
+
+Please note:
+If you get an error claiming that lazygit cannot be found or is not defined, you
+may need to add `~/go/bin` to your \$PATH (MacOS/Linux), or `%HOME%\go\bin`
+(Windows). Not to be mistaked for `C:\Go\bin` (which is for Go's own binaries,
+not apps like Lazygit).
+
+## Usage
+
+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://youtu.be/VDXvbHZYeKY).
+- Rebase Magic tutorial [here](https://youtu.be/4XaToVut_hs)
+- List of keybindings
+  [here](/docs/keybindings).
+
+## Changing Directory On Exit
+
+If you change repos in lazygit and want your shell to change directory into that repo on exiting lazygit, add this to your `~/.zshrc` (or other rc file):
+
+```
+lg()
+{
+    export LAZYGIT_NEW_DIR_FILE=~/.lazygit/newdir
+
+    lazygit "$@"
+
+    if [ -f $LAZYGIT_NEW_DIR_FILE ]; then
+            cd "$(cat $LAZYGIT_NEW_DIR_FILE)"
+            rm -f $LAZYGIT_NEW_DIR_FILE > /dev/null
+    fi
+}
+```
+
+Then `source ~/.zshrc` and from now on when you call `lg` and exit you'll switch directories to whatever you were in inside lazyigt. To override this behaviour you can exit using `shift+Q` rather than just `q`.
+
+## Configuration
+
+Check the [configuration docs](docs/Config.md).
+
+## Custom Pagers
+
+See the [docs](docs/Custom_Pagers.md)
+
 ## Cool features
+
 - Adding files easily
 - Resolving merge conflicts
 - Easily check out recent branches
@@ -40,24 +174,39 @@ sudo apt-get install lazygit
 - Squash down and rename commits
 
 ### Resolving merge conflicts
-![Gif](https://image.ibb.co/iyxUTT/shortermerging.gif)
 
-### Viewing commit diffs
-![Viewing Commit Diffs](https://image.ibb.co/gPD02o/capture.png)
+![Gif](/docs/resources/resolving-merge-conflicts.gif)
 
-## Docs
-[Keybindings](https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md)
+### Interactive Rebasing
 
-## Milestones
-- [ ] Easy Installation (homebrew, release binaries)
-- [ ] Configurable Keybindings
-- [ ] Configurable Color Themes
-- [ ] Spawning Subprocesses (help needed - have a look at https://github.com/jesseduffield/lazygit/pull/18)
-- [ ] Performance
-- [ ] i18n
+![Interactive Rebasing](/docs/resources/interactive-rebase.png)
 
 ## Contributing
-I'll find a good template for contributing and then add it to the repo (or if somebody has a suggestion please put up a PR)
+
+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, consider [sponsoring me](https://github.com/sponsors/jesseduffield) (github is matching all donations dollar-for-dollar for 12 months)
 
 ## Work in progress
-This is still a work in progress so there's still bugs to iron out and as this is my first project in Go the code could no doubt use an increase in quality, but I'll be improving on it whenever I find the time. If you have any feedback feel free to [raise an issue](https://github.com/jesseduffield/lazygit/issues)/[submit a PR](https://github.com/jesseduffield/lazygit/pulls).
+
+This is still a work in progress so there's still bugs to iron out and as this
+is my first project in Go the code could no doubt use an increase in quality,
+but I'll be improving on it whenever I find the time. If you have any feedback
+feel free to [raise an issue](https://github.com/jesseduffield/lazygit/issues)/[submit a PR](https://github.com/jesseduffield/lazygit/pulls).
+
+## Social
+
+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)

branches_panel.go

@@ -1,120 +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 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",
-		"← → ↑ ↓": "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, branch.BaseBranch)
-		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.DisplayString)
-		}
-		resetOrigin(v)
-		return refreshStatus(g)
-	})
-	return nil
-}

commits_panel.go

@@ -1,138 +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)
-		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)
-		devLog(commit)
-		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",
-		"← → ↑ ↓": "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)
-}
-
-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 {
-		colorLog(color.FgRed, "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

@@ -1,119 +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 := 60
-	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, handleYes func(*gocui.Gui, *gocui.View) error) error {
-	// 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
-		}
-
-		g.Cursor = true
-
-		confirmationView.Editable = true
-		confirmationView.Title = title
-		confirmationView.FgColor = gocui.ColorWhite
-		switchFocus(g, currentView, confirmationView)
-		return setKeyBindings(g, handleYes, nil)
-	}
-	return nil
-}
-
-func createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleYes, handleNo func(*gocui.Gui, *gocui.View) error) error {
-	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, handleYes, handleNo)
-		}
-		return nil
-	})
-	return nil
-}
-
-func setKeyBindings(g *gocui.Gui, handleYes, handleNo func(*gocui.Gui, *gocui.View) error) error {
-	renderString(g, "options", "esc: close, enter: confirm")
-	if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, wrappedConfirmationFunction(handleYes)); err != nil {
-		return err
-	}
-
-	return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, wrappedConfirmationFunction(handleNo))
-}
-
-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)
-}

docs/Config.md

@@ -0,0 +1,261 @@
+# User Config
+
+Default path for the config file:
+
+* Linux: `~/.config/jesseduffield/lazygit/config.yml`
+* MacOS: `~/Library/Application Support/jesseduffield/lazygit/config.yml`
+
+## Default
+
+```yaml
+  gui:
+    # stuff relating to the UI
+    scrollHeight: 2 # how many lines you scroll by
+    scrollPastBottom: true # enable scrolling past the bottom
+    sidePanelWidth: 0.3333 # number from 0 to 1
+    theme:
+      lightTheme: false # For terminals with a light background
+      activeBorderColor:
+        - white
+        - bold
+      inactiveBorderColor:
+        - green
+      optionsTextColor:
+        - blue
+      selectedLineBgColor:
+        - blue
+    commitLength:
+      show: true
+    mouseEvents: true
+    skipUnstageLineWarning: false
+  git:
+    paging:
+      colorArg: always
+      useConfig: false
+    merging:
+      # only applicable to unix users
+      manualCommit: false
+    skipHookPrefix: WIP
+    autoFetch: 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
+  keybinding:
+    universal:
+      quit: 'q'
+      quit-alt1: '<c-c>' # alternative/alias of quit
+      return: '<esc>' # return to previous menu, will quit if there's nowhere to return
+      quitWithoutChangingDirectory: 'Q'
+      togglePanel: '<tab>' # goto the next panel
+      prevItem: '<up>' # go one line up
+      nextItem: '<down>' # go one line down
+      prevItem-alt: 'k' # go one line up
+      nextItem-alt: 'j' # go one line down
+      prevBlock: '<left>' # goto the previous block / panel
+      nextBlock: '<right>' # goto the next block / panel
+      prevBlock-alt: 'h' # goto the previous block / panel
+      nextBlock-alt: 'l' # goto the next block / panel
+      nextMatch: 'n'
+      prevMatch: 'N'
+      optionMenu: 'x' # show help menu
+      optionMenu-alt1: '?' # show help menu
+      select: '<space>'
+      goInto: '<enter>'
+      remove: 'd'
+      new: 'n'
+      edit: 'e'
+      openFile: 'o'
+      scrollUpMain: '<pgup>' # main panel scrool up
+      scrollDownMain: '<pgdown>' # main panel scrool down
+      scrollUpMain-alt1: 'K' # main panel scrool up
+      scrollDownMain-alt1: 'J' # main panel scrool down
+      scrollUpMain-alt2: '<c-u>' # main panel scrool up
+      scrollDownMain-alt2: '<c-d>' # main panel scrool down
+      executeCustomCommand: ':'
+      createRebaseOptionsMenu: 'm'
+      pushFiles: 'P'
+      pullFiles: 'p'
+      refresh: 'R'
+      createPatchOptionsMenu: '<c-p>'
+      nextTab: ']'
+      prevTab: '['
+      nextScreenMode: '+'
+      prevScreenMode: '_'
+    status:
+      checkForUpdate: 'u'
+      recentRepos: '<enter>'
+    files:
+      commitChanges: 'c'
+      commitChangesWithoutHook: 'w' # commit changes without pre-commit hook
+      amendLastCommit: 'A'
+      commitChangesWithEditor: 'C'
+      ignoreFile: 'i'
+      refreshFiles: 'r'
+      stashAllChanges: 's'
+      viewStashOptions: 'S'
+      toggleStagedAll: 'a' # stage/unstage all
+      viewResetOptions: 'D'
+      fetch: 'f'
+    branches:
+      createPullRequest: 'o'
+      checkoutBranchByName: 'c'
+      forceCheckoutBranch: 'F'
+      rebaseBranch: 'r'
+      mergeIntoCurrentBranch: 'M'
+      viewGitFlowOptions: 'i'
+      fastForward: 'f' # fast-forward this branch from its upstream
+      pushTag: 'P'
+      setUpstream: 'u' # set as upstream of checked-out branch
+      fetchRemote: 'f'
+    commits:
+      squashDown: 's'
+      renameCommit: 'r'
+      renameCommitWithEditor: 'R'
+      viewResetOptions: 'g'
+      markCommitAsFixup: 'f'
+      createFixupCommit: 'F' # create fixup commit for this commit
+      squashAboveCommits: 'S'
+      moveDownCommit: '<c-j>' # move commit down one
+      moveUpCommit: '<c-k>' # move commit up one
+      amendToCommit: 'A'
+      pickCommit: 'p' # pick commit (when mid-rebase)
+      revertCommit: 't'
+      cherryPickCopy: 'c'
+      cherryPickCopyRange: 'C'
+      pasteCommits: 'v'
+      tagCommit: 'T'
+      toggleDiffCommit: 'i'
+      checkoutCommit: '<space>'
+    stash:
+      popStash: 'g'
+    commitFiles:
+      checkoutCommitFile: 'c'
+    main:
+      toggleDragSelect: 'v'
+      toggleDragSelect-alt: 'V'
+      toggleSelectHunk: 'a'
+      pickBothHunks: 'b'
+      undo: 'z'
+```
+
+## Platform Defaults
+
+### Windows
+
+```yaml
+  os:
+    openCommand: 'cmd /c "start "" {{filename}}"'
+```
+
+### Linux
+
+```yaml
+  os:
+    openCommand: 'sh -c "xdg-open {{filename}} >/dev/null"'
+```
+
+### OSX
+
+```yaml
+  os:
+    openCommand: 'open {{filename}}'
+```
+
+### Recommended Config Values
+
+for users of VSCode
+
+```yaml
+  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
+
+## Light terminal theme
+
+If you have issues with a light terminal theme where you can't read / see the text add these settings
+
+```yaml
+  gui:
+    theme:
+      lightTheme: true
+      activeBorderColor:
+        - black
+        - bold
+      inactiveBorderColor:
+        - black
+      selectedLineBgColor:
+        - blue
+```
+
+## Example Coloring
+
+![border example](/docs/resources/colored-border-example.png)
+
+## Keybindings
+
+For all possible keybinding options, check [Custom_Keybinding.md](https://github.com/jesseduffield/lazygit/blob/master/docs/keybindings/Custom_Keybinding.md)
+
+### Example Keybindings For Colemak Users
+
+```yaml
+  keybinding:
+    universal:
+      prevItem-alt: 'u'
+      nextItem-alt: 'e'
+      prevBlock-alt: 'n'
+      nextBlock-alt: 'i'
+      nextMatch: '='
+      prevMatch: '-'
+      new: 'k'
+      edit: 'o'
+      openFile: 'O'
+      scrollUpMain-alt1: 'U'
+      scrollDownMain-alt1: 'E'
+      scrollUpMain-alt2: '<c-u>'
+      scrollDownMain-alt2: '<c-e>'
+    files:
+      ignoreFile: 'I'
+    commits:
+      moveDownCommit: '<c-e>'
+      moveUpCommit: '<c-u>'
+      toggleDiffCommit: 'l'
+    branches:
+      viewGitFlowOptions: 'I'
+```
+
+## Custom pull request URLs
+
+Some git provider setups (e.g. on-premises GitLab) can have distinct URLs for git-related calls and
+the web interface/API itself. To work with those, Lazygit needs to know where it needs to create
+the pull request. You can do so on your `config.yml` file using the following syntax:
+
+```yaml
+services:
+  "<gitDomain>": "<provider>:<webDomain>"
+```
+
+Where:
+
+- `gitDomain` stands for the domain used by git itself (i.e. the one present on clone URLs), e.g. `git.work.com`
+- `provider` is one of `github`, `bitbucket` or `gitlab`
+- `webDomain` is the URL where your git service exposes a web interface and APIs, e.g. `gitservice.work.com`

docs/Custom_Pagers.md

@@ -0,0 +1,64 @@
+# Custom Pagers
+
+Lazygit supports custom pagers, [configured](/docs/Config.md) in the config.yml file (which can be opened by pressing 'o' in the Status panel).
+
+Support does not extend to windows users, because we're making use of a package which doesn't have windows support.
+
+## Default:
+
+```yaml
+git:
+  paging:
+    colorArg: always
+    useConfig: false
+```
+
+the `colorArg` key is for whether you want the `--color=always` arg in your `git diff` command. Some pagers want it set to always, others want it set to 'never'.
+
+## Delta:
+
+```yaml
+git:
+  paging:
+    colorArg: always
+    pager: delta --dark --paging=never --24-bit-color=never
+```
+
+![](https://i.imgur.com/QJpQkF3.png)
+
+## Diff-so-fancy
+
+```yaml
+git:
+  paging:
+    colorArg: always
+    pager: diff-so-fancy
+```
+
+![](https://i.imgur.com/rjH1TpT.png)
+
+## ydiff
+
+```yaml
+gui:
+  sidePanelWidth: 0.2 # gives you more space to show things side-by-side
+git:
+  paging:
+    colorArg: never
+    pager: ydiff -p cat -s --wrap --width={{columnWidth}}
+```
+
+![](https://i.imgur.com/vaa8z0H.png)
+
+Be careful with this one, I think the homebrew and pip versions are behind master. I needed to directly download the ydiff script to get the no-pager functionality working.
+
+## Using git config
+
+```yaml
+git:
+  paging:
+    colorArg: always
+    useConfig: true
+```
+
+If you set `useConfig: true`, lazygit will use whatever pager is specified in $GIT_PAGER, $PAGER, or your git config. If the pager ends with something like ' | less' we will strip that part out, because less doesn't play nice with our rendering approach. If the custom pager uses less under the hood, that will also break rendering (hence the `--paging=never` flag for the `delta` pager).

docs/Keybindings.md

@@ -1,54 +0,0 @@
-# Keybindings:
-
-## Global:
-
-      ← → ↑ ↓:   navigate
-      PgUp/PgDn: scroll diff panel (use fn+up/down on osx)
-      q:         quit
-      p:         pull
-      shift+P:   push
-
-## Files Panel:
-
-      space:    toggle staged
-      c:        commit changes
-      shift+S:  stash files
-      o:        open (osx only)
-      s:        open in sublime (requires 'subl' command)
-      v:        open in vscode (requires 'code' command)
-      i:        add to .gitignore
-      d:        delete if untracked checkout if tracked (aka go away)
-      shift+R:  refresh files
-
-## Branches Panel:
-
-      space:    checkout branch
-      f:        force checkout branch
-      m:        merge into currently checked out branch
-      c:        checkout by name
-      n:        new branch
-
-## Commits Panel:
-
-      s:       squash down (only available for topmost commit)
-      r:       rename commit
-      g:       reset to this commit
-
-## Stash Panel:
-
-      space:   apply
-      k:       pop
-      d:       drop
-
-## Popup Panel:
-
-      esc:     close/cancel
-      enter:   confirm
-
-## Resolving Merge Conflicts (Diff Panel):
-
-      ← →:   navigate conflicts
-      ↑ ↓:   select hunk
-      space: pick hunk
-      b:     pick both hunks
-      z:     undo (only available while still inside diff panel)

docs/keybindings/Custom_Keybindings.md

@@ -0,0 +1,59 @@
+## Possible keybindings
+| Put in        | You will get   |
+|---------------|----------------|
+| `<f1>`        | F1             |
+| `<f2>`        | F2             |
+| `<f3>`        | F3             |
+| `<f4>`        | F4             |
+| `<f5>`        | F5             |
+| `<f6>`        | F6             |
+| `<f7>`        | F7             |
+| `<f8>`        | F8             |
+| `<f9>`        | F9             |
+| `<f10>`       | F10            |
+| `<f11>`       | F11            |
+| `<f12>`       | F12            |
+| `<insert>`    | Insert         |
+| `<delete>`    | Delete         |
+| `<home>`      | Home           |
+| `<end>`       | End            |
+| `<pgup>`      | Pgup           |
+| `<pgdown>`    | Pgdn           |
+| `<up>`        | ArrowUp        |
+| `<down>`      | ArrowDown      |
+| `<left>`      | ArrowLeft      |
+| `<right>`     | ArrowRight     |
+| `<tab>`       | Tab            |
+| `<enter>`     | Enter          |
+| `<esc>`       | Esc            |
+| `<backspace>` | Backspace      |
+| `<c-space>`   | CtrlSpace      |
+| `<c-/>`       | CtrlSlash      |
+| `<space>`     | Space          |
+| `<c-a>`       | CtrlA          |
+| `<c-b>`       | CtrlB          |
+| `<c-c>`       | CtrlC          |
+| `<c-d>`       | CtrlD          |
+| `<c-e>`       | CtrlE          |
+| `<c-f>`       | CtrlF          |
+| `<c-g>`       | CtrlG          |
+| `<c-j>`       | CtrlJ          |
+| `<c-k>`       | CtrlK          |
+| `<c-l>`       | CtrlL          |
+| `<c-n>`       | CtrlN          |
+| `<c-o>`       | CtrlO          |
+| `<c-p>`       | CtrlP          |
+| `<c-q>`       | CtrlQ          |
+| `<c-r>`       | CtrlR          |
+| `<c-s>`       | CtrlS          |
+| `<c-t>`       | CtrlT          |
+| `<c-u>`       | CtrlU          |
+| `<c-v>`       | CtrlV          |
+| `<c-w>`       | CtrlW          |
+| `<c-x>`       | CtrlX          |
+| `<c-y>`       | CtrlY          |
+| `<c-z>`       | CtrlZ          |
+| `<c-4>`       | Ctrl4          |
+| `<c-5>`       | Ctrl5          |
+| `<c-6>`       | Ctrl6          |
+| `<c-8>`       | Ctrl8          |

docs/keybindings/Keybindings_en.md

@@ -0,0 +1,202 @@
+# Lazygit Keybindings
+
+## Global Keybindings
+
+<pre>
+  <kbd>pgup</kbd>: scroll up main panel (fn+up)
+  <kbd>pgdown</kbd>: scroll down main panel (fn+down)
+  <kbd>m</kbd>: view merge/rebase options
+  <kbd>ctrl+p</kbd>: view custom patch options
+  <kbd>P</kbd>: push
+  <kbd>p</kbd>: pull
+  <kbd>R</kbd>: refresh
+  <kbd>+</kbd>: next screen mode (normal/half/fullscreen)
+  <kbd>_</kbd>: prev screen mode
+  <kbd>:</kbd>: execute custom command
+</pre>
+
+## Branches Panel (Branches Tab)
+
+<pre>
+  <kbd>space</kbd>: checkout
+  <kbd>o</kbd>: create pull request
+  <kbd>c</kbd>: checkout by name
+  <kbd>F</kbd>: force checkout
+  <kbd>n</kbd>: new branch
+  <kbd>d</kbd>: delete branch
+  <kbd>r</kbd>: rebase checked-out branch onto this branch
+  <kbd>M</kbd>: merge into currently checked out branch
+  <kbd>i</kbd>: show git-flow options
+  <kbd>f</kbd>: fast-forward this branch from its upstream
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Branches Panel (Remote Branches (in Remotes tab))
+
+<pre>
+  <kbd>esc</kbd>: return to remotes list
+  <kbd>g</kbd>: view reset options
+  <kbd>space</kbd>: checkout
+  <kbd>M</kbd>: merge into currently checked out branch
+  <kbd>d</kbd>: delete branch
+  <kbd>r</kbd>: rebase checked-out branch onto this branch
+  <kbd>u</kbd>: set as upstream of checked-out branch
+</pre>
+
+## Branches Panel (Remotes Tab)
+
+<pre>
+  <kbd>f</kbd>: fetch remote
+  <kbd>n</kbd>: add new remote
+  <kbd>d</kbd>: remove remote
+  <kbd>e</kbd>: edit remote
+</pre>
+
+## Branches Panel (Tags Tab)
+
+<pre>
+  <kbd>space</kbd>: checkout
+  <kbd>d</kbd>: delete tag
+  <kbd>P</kbd>: push tag
+  <kbd>n</kbd>: create tag
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Commit Files Panel
+
+<pre>
+  <kbd>esc</kbd>: go back
+  <kbd>c</kbd>: checkout file
+  <kbd>d</kbd>: discard this commit's changes to this file
+  <kbd>o</kbd>: open file
+  <kbd>space</kbd>: toggle file included in patch
+  <kbd>enter</kbd>: enter file to add selected lines to the patch
+</pre>
+
+## Commits Panel (Commits Tab)
+
+<pre>
+  <kbd>s</kbd>: squash down
+  <kbd>r</kbd>: reword commit
+  <kbd>R</kbd>: rename commit with editor
+  <kbd>g</kbd>: reset to this commit
+  <kbd>f</kbd>: fixup commit
+  <kbd>F</kbd>: create fixup commit for this commit
+  <kbd>S</kbd>: squash above commits
+  <kbd>d</kbd>: delete commit
+  <kbd>ctrl+j</kbd>: move commit down one
+  <kbd>ctrl+k</kbd>: move commit up one
+  <kbd>e</kbd>: edit commit
+  <kbd>A</kbd>: amend commit with staged changes
+  <kbd>p</kbd>: pick commit (when mid-rebase)
+  <kbd>t</kbd>: revert commit
+  <kbd>c</kbd>: copy commit (cherry-pick)
+  <kbd>C</kbd>: copy commit range (cherry-pick)
+  <kbd>v</kbd>: paste commits (cherry-pick)
+  <kbd>enter</kbd>: view commit's files
+  <kbd>space</kbd>: checkout commit
+  <kbd>i</kbd>: select commit to diff with another commit
+  <kbd>T</kbd>: tag commit
+</pre>
+
+## Commits Panel (Reflog Tab)
+
+<pre>
+  <kbd>space</kbd>: checkout commit
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Files Panel
+
+<pre>
+  <kbd>c</kbd>: commit changes
+  <kbd>w</kbd>: commit changes without pre-commit hook
+  <kbd>A</kbd>: amend last commit
+  <kbd>C</kbd>: commit changes using git editor
+  <kbd>space</kbd>: toggle staged
+  <kbd>d</kbd>: view 'discard changes' options
+  <kbd>e</kbd>: edit file
+  <kbd>o</kbd>: open file
+  <kbd>i</kbd>: add to .gitignore
+  <kbd>r</kbd>: refresh files
+  <kbd>s</kbd>: stash changes
+  <kbd>S</kbd>: view stash options
+  <kbd>a</kbd>: stage/unstage all
+  <kbd>D</kbd>: view reset options
+  <kbd>enter</kbd>: stage individual hunks/lines
+  <kbd>f</kbd>: fetch
+  <kbd>g</kbd>: view upstream reset options
+</pre>
+
+## Main Panel (Merging)
+
+<pre>
+  <kbd>esc</kbd>: return to files panel
+  <kbd>space</kbd>: pick hunk
+  <kbd>b</kbd>: pick both hunks
+  <kbd>◄</kbd>: select previous conflict
+  <kbd>►</kbd>: select next conflict
+  <kbd>▲</kbd>: select top hunk
+  <kbd>▼</kbd>: select bottom hunk
+  <kbd>z</kbd>: undo
+</pre>
+
+## Main Panel (Normal)
+
+<pre>
+  <kbd>￣</kbd>: scroll down (fn+up)
+  <kbd>￤</kbd>: scroll up (fn+down)
+</pre>
+
+## Main Panel (Patch Building)
+
+<pre>
+  <kbd>esc</kbd>: exit line-by-line mode
+  <kbd>▲</kbd>: select previous line
+  <kbd>▼</kbd>: select next line
+  <kbd>◄</kbd>: select previous hunk
+  <kbd>►</kbd>: select next hunk
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+</pre>
+
+## Main Panel (Staging)
+
+<pre>
+  <kbd>esc</kbd>: return to files panel
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>tab</kbd>: switch to other panel
+  <kbd>▲</kbd>: select previous line
+  <kbd>▼</kbd>: select next line
+  <kbd>◄</kbd>: select previous hunk
+  <kbd>►</kbd>: select next hunk
+  <kbd>e</kbd>: edit file
+  <kbd>o</kbd>: open file
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+  <kbd>c</kbd>: commit changes
+  <kbd>w</kbd>: commit changes without pre-commit hook
+  <kbd>C</kbd>: commit changes using git editor
+</pre>
+
+## Stash Panel
+
+<pre>
+  <kbd>space</kbd>: apply
+  <kbd>g</kbd>: pop
+  <kbd>d</kbd>: drop
+</pre>
+
+## Status Panel
+
+<pre>
+  <kbd>e</kbd>: edit config file
+  <kbd>o</kbd>: open config file
+  <kbd>u</kbd>: check for update
+  <kbd>enter</kbd>: switch to a recent repo
+</pre>

docs/keybindings/Keybindings_nl.md

@@ -0,0 +1,202 @@
+# Lazygit Keybindings
+
+## Global
+
+<pre>
+  <kbd>pgup</kbd>: scroll up main panel (fn+up)
+  <kbd>pgdown</kbd>: scroll down main panel (fn+down)
+  <kbd>m</kbd>: bekijk merge/rebase opties
+  <kbd>ctrl+p</kbd>: view custom patch options
+  <kbd>P</kbd>: push
+  <kbd>p</kbd>: pull
+  <kbd>R</kbd>: verversen
+  <kbd>+</kbd>: next screen mode (normal/half/fullscreen)
+  <kbd>_</kbd>: prev screen mode
+  <kbd>:</kbd>: voor aangepast commando uit
+</pre>
+
+## Branches Panel (Branches Tab)
+
+<pre>
+  <kbd>space</kbd>: uitchecken
+  <kbd>o</kbd>: maak een pull-aanvraag
+  <kbd>c</kbd>: uitchecken bij naam
+  <kbd>F</kbd>: forceer checkout
+  <kbd>n</kbd>: nieuwe branch
+  <kbd>d</kbd>: verwijder branch
+  <kbd>r</kbd>: rebase branch
+  <kbd>M</kbd>: merge in met huidige checked out branch
+  <kbd>i</kbd>: show git-flow options
+  <kbd>f</kbd>: fast-forward this branch from its upstream
+  <kbd>g</kbd>: bekijk reset opties
+</pre>
+
+## Branches Panel (Remote Branches (in Remotes tab))
+
+<pre>
+  <kbd>esc</kbd>: return to remotes list
+  <kbd>g</kbd>: bekijk reset opties
+  <kbd>space</kbd>: uitchecken
+  <kbd>M</kbd>: merge in met huidige checked out branch
+  <kbd>d</kbd>: verwijder branch
+  <kbd>r</kbd>: rebase branch
+  <kbd>u</kbd>: set as upstream of checked-out branch
+</pre>
+
+## Branches Panel (Remotes Tab)
+
+<pre>
+  <kbd>f</kbd>: fetch remote
+  <kbd>n</kbd>: add new remote
+  <kbd>d</kbd>: remove remote
+  <kbd>e</kbd>: edit remote
+</pre>
+
+## Branches Panel (Tags Tab)
+
+<pre>
+  <kbd>space</kbd>: uitchecken
+  <kbd>d</kbd>: delete tag
+  <kbd>P</kbd>: push tag
+  <kbd>n</kbd>: create tag
+  <kbd>g</kbd>: bekijk reset opties
+</pre>
+
+## Commit bestanden Panel
+
+<pre>
+  <kbd>esc</kbd>: ga terug
+  <kbd>c</kbd>: bestand uitchecken
+  <kbd>d</kbd>: uitsluit deze commit zijn veranderingen aan dit bestand
+  <kbd>o</kbd>: open bestand
+  <kbd>space</kbd>: toggle file included in patch
+  <kbd>enter</kbd>: enter file to add selected lines to the patch
+</pre>
+
+## Commits Panel (Commits Tab)
+
+<pre>
+  <kbd>s</kbd>: squash beneden
+  <kbd>r</kbd>: hernoem commit
+  <kbd>R</kbd>: rename commit with editor
+  <kbd>g</kbd>: reset naar deze commit
+  <kbd>f</kbd>: Fixup commit
+  <kbd>F</kbd>: creëer fixup commit voor deze commit
+  <kbd>S</kbd>: squash bovenstaande commits
+  <kbd>d</kbd>: verwijder commit
+  <kbd>ctrl+j</kbd>: verplaats commit 1 omlaag
+  <kbd>ctrl+k</kbd>: verplaats commit 1 omhoog
+  <kbd>e</kbd>: verander commit
+  <kbd>A</kbd>: wijzig commit met staged veranderingen
+  <kbd>p</kbd>: pick commit (when mid-rebase)
+  <kbd>t</kbd>: commit omgedaan maken
+  <kbd>c</kbd>: kopiëer commit (cherry-pick)
+  <kbd>C</kbd>: kopiëer commit reeks (cherry-pick)
+  <kbd>v</kbd>: plak commits (cherry-pick)
+  <kbd>enter</kbd>: bekijk gecommite bestanden
+  <kbd>space</kbd>: checkout commit
+  <kbd>i</kbd>: select commit to diff with another commit
+  <kbd>T</kbd>: tag commit
+</pre>
+
+## Commits Panel (Reflog Tab)
+
+<pre>
+  <kbd>space</kbd>: checkout commit
+  <kbd>g</kbd>: bekijk reset opties
+</pre>
+
+## Bestanden Panel
+
+<pre>
+  <kbd>c</kbd>: Commit veranderingen
+  <kbd>w</kbd>: commit veranderingen zonder pre-commit hook
+  <kbd>A</kbd>: wijzig laatste commit
+  <kbd>C</kbd>: commit veranderingen met de git editor
+  <kbd>space</kbd>: toggle staged
+  <kbd>d</kbd>: bekijk 'veranderingen ongedaan maken' opties
+  <kbd>e</kbd>: verander bestand
+  <kbd>o</kbd>: open bestand
+  <kbd>i</kbd>: voeg toe aan .gitignore
+  <kbd>r</kbd>: refresh bestanden
+  <kbd>s</kbd>: stash-bestanden
+  <kbd>S</kbd>: view stash options
+  <kbd>a</kbd>: toggle staged alle
+  <kbd>D</kbd>: bekijk reset opties
+  <kbd>enter</kbd>: stage individuele hunks/lijnen
+  <kbd>f</kbd>: fetch
+  <kbd>g</kbd>: view upstream reset options
+</pre>
+
+## Hoofd Panel (Merging)
+
+<pre>
+  <kbd>esc</kbd>: ga terug naar het bestanden paneel
+  <kbd>space</kbd>: pick hunk
+  <kbd>b</kbd>: pick beide hunks
+  <kbd>◄</kbd>: selecteer voorgaand conflict
+  <kbd>►</kbd>: selecteer volgende conflict
+  <kbd>▲</kbd>: selecteer bovenste hunk
+  <kbd>▼</kbd>: selecteer onderste hunk
+  <kbd>z</kbd>: ongedaan maken
+</pre>
+
+## Hoofd Panel (Normaal)
+
+<pre>
+  <kbd>￣</kbd>: scroll omlaag (fn+up)
+  <kbd>￤</kbd>: scroll omhoog (fn+down)
+</pre>
+
+## Hoofd Panel (Patch Building)
+
+<pre>
+  <kbd>esc</kbd>: exit line-by-line mode
+  <kbd>▲</kbd>: selecteer de vorige lijn
+  <kbd>▼</kbd>: selecteer de volgende lijn
+  <kbd>◄</kbd>: selecteer de vorige hunk
+  <kbd>►</kbd>: selecteer de volgende hunk
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+</pre>
+
+## Hoofd Panel (Stage Lines/Hunks)
+
+<pre>
+  <kbd>esc</kbd>: ga terug naar het bestanden paneel
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>tab</kbd>: switch to other panel
+  <kbd>▲</kbd>: selecteer de vorige lijn
+  <kbd>▼</kbd>: selecteer de volgende lijn
+  <kbd>◄</kbd>: selecteer de vorige hunk
+  <kbd>►</kbd>: selecteer de volgende hunk
+  <kbd>e</kbd>: verander bestand
+  <kbd>o</kbd>: open bestand
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+  <kbd>c</kbd>: Commit veranderingen
+  <kbd>w</kbd>: commit veranderingen zonder pre-commit hook
+  <kbd>C</kbd>: commit veranderingen met de git editor
+</pre>
+
+## Stash Panel
+
+<pre>
+  <kbd>space</kbd>: toepassen
+  <kbd>g</kbd>: pop
+  <kbd>d</kbd>: drop
+</pre>
+
+## Status Panel
+
+<pre>
+  <kbd>e</kbd>: verander config file
+  <kbd>o</kbd>: open config file
+  <kbd>u</kbd>: check voor updates
+  <kbd>enter</kbd>: wissel naar een recente repo
+</pre>

docs/keybindings/Keybindings_pl.md

@@ -0,0 +1,202 @@
+# Lazygit Keybindings
+
+## Globalne
+
+<pre>
+  <kbd>pgup</kbd>: scroll up main panel (fn+up)
+  <kbd>pgdown</kbd>: scroll down main panel (fn+down)
+  <kbd>m</kbd>: view merge/rebase options
+  <kbd>ctrl+p</kbd>: view custom patch options
+  <kbd>P</kbd>: push
+  <kbd>p</kbd>: pull
+  <kbd>R</kbd>: odśwież
+  <kbd>+</kbd>: next screen mode (normal/half/fullscreen)
+  <kbd>_</kbd>: prev screen mode
+  <kbd>:</kbd>: execute custom command
+</pre>
+
+## Gałęzie Panel (Branches Tab)
+
+<pre>
+  <kbd>space</kbd>: przełącz
+  <kbd>o</kbd>: utwórz żądanie wyciągnięcia
+  <kbd>c</kbd>: przełącz używając nazwy
+  <kbd>F</kbd>: wymuś przełączenie
+  <kbd>n</kbd>: nowa gałąź
+  <kbd>d</kbd>: usuń gałąź
+  <kbd>r</kbd>: rebase branch
+  <kbd>M</kbd>: scal do obecnej gałęzi
+  <kbd>i</kbd>: show git-flow options
+  <kbd>f</kbd>: fast-forward this branch from its upstream
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Gałęzie Panel (Remote Branches (in Remotes tab))
+
+<pre>
+  <kbd>esc</kbd>: return to remotes list
+  <kbd>g</kbd>: view reset options
+  <kbd>space</kbd>: przełącz
+  <kbd>M</kbd>: scal do obecnej gałęzi
+  <kbd>d</kbd>: usuń gałąź
+  <kbd>r</kbd>: rebase branch
+  <kbd>u</kbd>: set as upstream of checked-out branch
+</pre>
+
+## Gałęzie Panel (Remotes Tab)
+
+<pre>
+  <kbd>f</kbd>: fetch remote
+  <kbd>n</kbd>: add new remote
+  <kbd>d</kbd>: remove remote
+  <kbd>e</kbd>: edit remote
+</pre>
+
+## Gałęzie Panel (Tags Tab)
+
+<pre>
+  <kbd>space</kbd>: przełącz
+  <kbd>d</kbd>: delete tag
+  <kbd>P</kbd>: push tag
+  <kbd>n</kbd>: create tag
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Commit files Panel
+
+<pre>
+  <kbd>esc</kbd>: go back
+  <kbd>c</kbd>: checkout file
+  <kbd>d</kbd>: discard this commit's changes to this file
+  <kbd>o</kbd>: otwórz plik
+  <kbd>space</kbd>: toggle file included in patch
+  <kbd>enter</kbd>: enter file to add selected lines to the patch
+</pre>
+
+## Commity Panel (Commits Tab)
+
+<pre>
+  <kbd>s</kbd>: ściśnij w dół
+  <kbd>r</kbd>: przemianuj commit
+  <kbd>R</kbd>: przemianuj commit w edytorze
+  <kbd>g</kbd>: zresetuj do tego commita
+  <kbd>f</kbd>: napraw commit
+  <kbd>F</kbd>: create fixup commit for this commit
+  <kbd>S</kbd>: squash above commits
+  <kbd>d</kbd>: delete commit
+  <kbd>ctrl+j</kbd>: move commit down one
+  <kbd>ctrl+k</kbd>: move commit up one
+  <kbd>e</kbd>: edit commit
+  <kbd>A</kbd>: amend commit with staged changes
+  <kbd>p</kbd>: pick commit (when mid-rebase)
+  <kbd>t</kbd>: revert commit
+  <kbd>c</kbd>: copy commit (cherry-pick)
+  <kbd>C</kbd>: copy commit range (cherry-pick)
+  <kbd>v</kbd>: paste commits (cherry-pick)
+  <kbd>enter</kbd>: view commit's files
+  <kbd>space</kbd>: checkout commit
+  <kbd>i</kbd>: select commit to diff with another commit
+  <kbd>T</kbd>: tag commit
+</pre>
+
+## Commity Panel (Reflog Tab)
+
+<pre>
+  <kbd>space</kbd>: checkout commit
+  <kbd>g</kbd>: view reset options
+</pre>
+
+## Pliki Panel
+
+<pre>
+  <kbd>c</kbd>: commituj zmiany
+  <kbd>w</kbd>: commit changes without pre-commit hook
+  <kbd>A</kbd>: zmień ostatnie zatwierdzenie
+  <kbd>C</kbd>: commituj zmiany używając edytora z gita
+  <kbd>space</kbd>: przełącz zatwierdzenie
+  <kbd>d</kbd>: view 'discard changes' options
+  <kbd>e</kbd>: edytuj plik
+  <kbd>o</kbd>: otwórz plik
+  <kbd>i</kbd>: dodaj do .gitignore
+  <kbd>r</kbd>: odśwież pliki
+  <kbd>s</kbd>: przechowaj pliki
+  <kbd>S</kbd>: view stash options
+  <kbd>a</kbd>: przełącz wszystkie zatwierdzenia
+  <kbd>D</kbd>: view reset options
+  <kbd>enter</kbd>: zatwierdź pojedyncze linie
+  <kbd>f</kbd>: fetch
+  <kbd>g</kbd>: view upstream reset options
+</pre>
+
+## Main Panel (Merging)
+
+<pre>
+  <kbd>esc</kbd>: wróć do panelu plików
+  <kbd>space</kbd>: pick hunk
+  <kbd>b</kbd>: pick both hunks
+  <kbd>◄</kbd>: select previous conflict
+  <kbd>►</kbd>: select next conflict
+  <kbd>▲</kbd>: select top hunk
+  <kbd>▼</kbd>: select bottom hunk
+  <kbd>z</kbd>: undo
+</pre>
+
+## Main Panel (Normal)
+
+<pre>
+  <kbd>￣</kbd>: scroll down (fn+up)
+  <kbd>￤</kbd>: scroll up (fn+down)
+</pre>
+
+## Main Panel (Patch Building)
+
+<pre>
+  <kbd>esc</kbd>: exit line-by-line mode
+  <kbd>▲</kbd>: select previous line
+  <kbd>▼</kbd>: select next line
+  <kbd>◄</kbd>: select previous hunk
+  <kbd>►</kbd>: select next hunk
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+</pre>
+
+## Main Panel (Zatwierdzanie)
+
+<pre>
+  <kbd>esc</kbd>: wróć do panelu plików
+  <kbd>space</kbd>: stage selection
+  <kbd>d</kbd>: reset selection
+  <kbd>tab</kbd>: switch to other panel
+  <kbd>▲</kbd>: select previous line
+  <kbd>▼</kbd>: select next line
+  <kbd>◄</kbd>: select previous hunk
+  <kbd>►</kbd>: select next hunk
+  <kbd>e</kbd>: edytuj plik
+  <kbd>o</kbd>: otwórz plik
+  <kbd>v</kbd>: toggle drag select
+  <kbd>V</kbd>: toggle drag select
+  <kbd>a</kbd>: toggle select hunk
+  <kbd>c</kbd>: commituj zmiany
+  <kbd>w</kbd>: commit changes without pre-commit hook
+  <kbd>C</kbd>: commituj zmiany używając edytora z gita
+</pre>
+
+## Schowek Panel
+
+<pre>
+  <kbd>space</kbd>: zastosuj
+  <kbd>g</kbd>: wyciągnij
+  <kbd>d</kbd>: porzuć
+</pre>
+
+## Status Panel
+
+<pre>
+  <kbd>e</kbd>: edytuj plik konfiguracyjny
+  <kbd>o</kbd>: otwórz plik konfiguracyjny
+  <kbd>u</kbd>: sprawdź aktualizacje
+  <kbd>enter</kbd>: switch to a recent repo
+</pre>

files_panel.go

@@ -1,329 +0,0 @@
-package main
-
-import (
-
-	// "io"
-	// "io/ioutil"
-
-	// "strings"
-
-	"errors"
-	"strings"
-
-	"github.com/fatih/color"
-	"github.com/jesseduffield/gocui"
-)
-
-var (
-	// ErrNoFiles : when there are no modified files in the repo
-	ErrNoFiles = errors.New("No changed files")
-)
-
-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 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",
-		"s":       "sublime",
-		"v":       "vscode",
-		"i":       "ignore",
-		"d":       "delete",
-		"space":   "toggle staged",
-		"R":       "refresh",
-	}
-	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")
-	}
-	createPromptPanel(g, filesView, "Commit message", func(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(message); err != nil {
-			return createErrorPanel(g, output)
-		}
-		refreshFiles(g)
-		return refreshCommits(g)
-	})
-	return nil
-}
-
-func genericFileOpen(g *gocui.Gui, v *gocui.View, open func(string) (string, error)) error {
-	file, err := getSelectedFile(g)
-	if err != nil {
-		if err != ErrNoFiles {
-			return err
-		}
-		return nil
-	}
-	if output, err := open(file.Name); err != nil {
-		return createErrorPanel(g, output)
-	}
-	return nil
-}
-
-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 {
-	devLog("pulling...")
-	createMessagePanel(g, v, "", "Pulling...")
-	go func() {
-		if output, err := gitPull(); err != nil {
-			createErrorPanel(g, output)
-		} else {
-			closeConfirmationPrompt(g)
-			refreshCommits(g)
-			refreshStatus(g)
-			devLog("pulled.")
-		}
-		refreshFiles(g)
-	}()
-	return nil
-}
-
-func pushFiles(g *gocui.Gui, v *gocui.View) error {
-	devLog("pushing...")
-	createMessagePanel(g, v, "", "Pushing...")
-	go func() {
-		if output, err := gitPush(); err != nil {
-			createErrorPanel(g, output)
-		} else {
-			closeConfirmationPrompt(g)
-			refreshCommits(g)
-			refreshStatus(g)
-			devLog("pushed.")
-		}
-	}()
-	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)
-}

gitcommands.go

@@ -1,586 +0,0 @@
-package main
-
-import (
-
-	// "log"
-	"errors"
-	"fmt"
-	"os"
-	"os/exec"
-	"regexp"
-	"runtime"
-	"strings"
-	"time"
-
-	"github.com/fatih/color"
-)
-
-var (
-	// ErrNoCheckedOutBranch : When we have no checked out branch
-	ErrNoCheckedOutBranch = errors.New("No currently checked out branch")
-)
-
-// 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
-}
-
-// Branch : A git branch
-type Branch struct {
-	Name          string
-	Type          string
-	BaseBranch    string
-	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
-}
-
-func platformShell() (string, string) {
-	if runtime.GOOS == "windows" {
-		return "cmd", "/c"
-	}
-	return "bash", "-c"
-}
-
-func runDirectCommand(command string) (string, error) {
-	timeStart := time.Now()
-	commandLog(command)
-
-	shell, shellArg := platformShell()
-	cmdOut, err := exec.
-		Command(shell, shellArg, command).
-		CombinedOutput()
-	devLog("run direct command time for command: ", command, time.Now().Sub(timeStart))
-	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]
-}
-
-// branchPropertiesFromName : returns branch type, base, and color
-func branchPropertiesFromName(name string) (string, string, color.Attribute) {
-	if strings.Contains(name, "feature/") {
-		return "feature", "develop", color.FgGreen
-	} else if strings.Contains(name, "bugfix/") {
-		return "bugfix", "develop", color.FgYellow
-	} else if strings.Contains(name, "hotfix/") {
-		return "hotfix", "master", color.FgRed
-	}
-	return "other", name, color.FgWhite
-}
-
-func coloredString(str string, colour *color.Color) string {
-	return colour.SprintFunc()(fmt.Sprint(str))
-}
-
-func withPadding(str string, padding int) string {
-	if padding-len(str) < 0 {
-		return str
-	}
-	return str + strings.Repeat(" ", padding-len(str))
-}
-
-// 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",
-		}
-		devLog("tracked", gitFile.Tracked)
-		devLog("hasUnstagedChanges", gitFile.HasUnstagedChanges)
-		devLog("HasStagedChanges", gitFile.HasStagedChanges)
-		devLog("DisplayString", gitFile.DisplayString)
-		gitFiles = append(gitFiles, gitFile)
-	}
-	devLog(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) {
-	commandStartTime := time.Now()
-	commandLog(command)
-	splitCmd := strings.Split(command, " ")
-	cmdOut, err := exec.Command(splitCmd[0], splitCmd[1:]...).CombinedOutput()
-	devLog("run command time: ", time.Now().Sub(commandStartTime))
-	return sanitisedCommandOutput(cmdOut, err)
-}
-
-func openFile(filename string) (string, error) {
-	return runCommand("open " + filename)
-}
-
-func vsCodeOpenFile(filename string) (string, error) {
-	return runCommand("code -r " + filename)
-}
-
-func sublimeOpenFile(filename string) (string, error) {
-	return runCommand("subl " + filename)
-}
-
-func getBranchGraph(branch string, baseBranch string) (string, error) {
-	return runCommand("git log --graph --color --abbrev-commit --decorate --date=relative --pretty=medium -100 " + branch)
-
-	// Leaving this guy commented out in case there's backlash from the design
-	// change and I want to make this configurable
-	// return runCommand("git log -p -30 --color --no-merges " + 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 "
-	}
-	devLog(command)
-	_, 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(message string) (string, error) {
-	return runDirectCommand("git commit -m \"" + message + "\"")
-}
-
-func gitPull() (string, error) {
-	return runDirectCommand("git pull --no-edit")
-}
-
-func gitPush() (string, error) {
-	branchName := gitCurrentBranchName()
-	if branchName == "" {
-		return "", ErrNoCheckedOutBranch
-	}
-	return runDirectCommand("git push -u origin " + branchName)
-}
-
-func gitSquashPreviousTwoCommits(message string) (string, error) {
-	return runDirectCommand("git reset --soft HEAD^ && git commit --amend -m \"" + message + "\"")
-}
-
-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 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 gitCurrentBranchName() string {
-	branchName, err := runDirectCommand("git symbolic-ref --short HEAD")
-	// if there is an error, assume there are no branches yet
-	if err != nil {
-		return ""
-	}
-	return strings.TrimSpace(branchName)
-}
-
-// A line will have the form '10 days ago master' so we need to strip out the
-// useful information from that into timeNumber, timeUnit, and branchName
-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]
-}
-
-func abbreviatedTimeUnit(timeUnit string) string {
-	r := regexp.MustCompile("s$")
-	timeUnit = r.ReplaceAllString(timeUnit, "")
-	timeUnitMap := map[string]string{
-		"hour":   "h",
-		"minute": "m",
-		"second": "s",
-		"week":   "w",
-		"year":   "y",
-		"day":    "d",
-		"month":  "m",
-	}
-	return timeUnitMap[timeUnit]
-}
-
-func getBranches() []Branch {
-	branches := make([]Branch, 0)
-	rawString, err := runDirectCommand("git reflog -n100 --pretty='%cr|%gs' --grep-reflog='checkout: moving' HEAD")
-	if err != nil {
-		return branches
-	}
-
-	branchLines := splitLines(rawString)
-	for i, line := range branchLines {
-		timeNumber, timeUnit, branchName := branchInfoFromLine(line)
-		timeUnit = abbreviatedTimeUnit(timeUnit)
-
-		if branchAlreadyStored(branchName, branches) {
-			continue
-		}
-
-		branch := constructBranch(timeNumber+timeUnit, branchName, i)
-		branches = append(branches, branch)
-	}
-	return branches
-}
-
-func constructBranch(prefix, name string, index int) Branch {
-	branchType, branchBase, colourAttr := branchPropertiesFromName(name)
-	if index == 0 {
-		prefix = "  *"
-	}
-	colour := color.New(colourAttr)
-	displayString := withPadding(prefix, 4) + coloredString(name, colour)
-	return Branch{
-		Name:          name,
-		Type:          branchType,
-		BaseBranch:    branchBase,
-		DisplayString: displayString,
-	}
-}
-
-func getGitBranches() []Branch {
-	// check if there are any branches
-	branchCheck, _ := runCommand("git branch")
-	if branchCheck == "" {
-		return []Branch{constructBranch("", gitCurrentBranchName(), 0)}
-	}
-	branches := getBranches()
-	if len(branches) == 0 {
-		branches = append(branches, constructBranch("", gitCurrentBranchName(), 0))
-	}
-	branches = getAndMergeFetchedBranches(branches)
-	return branches
-}
-
-func branchAlreadyStored(branchName string, branches []Branch) bool {
-	for _, existingBranch := range branches {
-		if existingBranch.Name == branchName {
-			return true
-		}
-	}
-	return false
-}
-
-// here branches contains all the branches that we've checked out, along with
-// the recency. In this function we append the branches that are in our heads
-// directory i.e. things we've fetched but haven't necessarily checked out.
-// Worth mentioning this has nothing to do with the 'git merge' operation
-func getAndMergeFetchedBranches(branches []Branch) []Branch {
-	rawString, err := runDirectCommand("git branch --sort=-committerdate --no-color")
-	if err != nil {
-		return branches
-	}
-	branchLines := splitLines(rawString)
-	for _, line := range branchLines {
-		line = strings.Replace(line, "* ", "", -1)
-		line = strings.TrimSpace(line)
-		if branchAlreadyStored(line, branches) {
-			continue
-		}
-		branches = append(branches, constructBranch("", line, len(branches)))
-	}
-	return branches
-}

go.mod

@@ -0,0 +1,43 @@
+module github.com/jesseduffield/lazygit
+
+go 1.13
+
+require (
+	github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21
+	github.com/fatih/color v1.7.0
+	github.com/fsnotify/fsnotify v1.4.7
+	github.com/go-errors/errors v1.0.1
+	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
+	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/google/go-cmp v0.3.1 // indirect
+	github.com/integrii/flaggy v1.4.0
+	github.com/jesseduffield/gocui v0.3.1-0.20200301081700-d6e485450113
+	github.com/jesseduffield/pty v1.2.1
+	github.com/jesseduffield/termbox-go v0.0.0-20200130214842-1d31d1faa3c9 // indirect
+	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
+	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
+	github.com/mattn/go-colorable v0.1.4 // indirect
+	github.com/mattn/go-isatty v0.0.11 // indirect
+	github.com/mattn/go-runewidth v0.0.8
+	github.com/mgutz/str v1.2.0
+	github.com/nicksnyder/go-i18n/v2 v2.0.3
+	github.com/onsi/ginkgo v1.10.3 // indirect
+	github.com/onsi/gomega v1.7.1 // indirect
+	github.com/pelletier/go-toml v1.6.0 // indirect
+	github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0
+	github.com/sirupsen/logrus v1.4.2
+	github.com/spf13/afero v1.2.2 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.6.1
+	github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad
+	github.com/stretchr/testify v1.4.0
+	github.com/tcnksm/go-gitconfig v0.1.2
+	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 // indirect
+	golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 // indirect
+	golang.org/x/sys v0.0.0-20191210023423-ac6580df4449 // indirect
+	golang.org/x/text v0.3.2
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/src-d/go-git.v4 v4.13.1
+	gopkg.in/yaml.v2 v2.2.7
+)

go.sum

@@ -0,0 +1,285 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.0/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7 h1:uSoVVbwJiQipAclBbw+8quDsfcvFjOpI5iCf4p/cqCs=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+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/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
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+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

gui.go

@@ -1,297 +0,0 @@
-package main
-
-import (
-
-	// "io"
-	// "io/ioutil"
-
-	"log"
-	"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
-}
-
-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(),
-}
-
-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)
-}
-
-// 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{
-		Binding{ViewName: "", Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: previousView},
-		Binding{ViewName: "", Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: nextView},
-		Binding{ViewName: "", Key: gocui.KeyTab, Modifier: gocui.ModNone, Handler: nextView},
-		Binding{ViewName: "", Key: 'q', Modifier: gocui.ModNone, Handler: quit},
-		Binding{ViewName: "", Key: gocui.KeyCtrlC, Modifier: gocui.ModNone, Handler: quit},
-		Binding{ViewName: "", Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: cursorDown},
-		Binding{ViewName: "", Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: cursorUp},
-		Binding{ViewName: "", Key: gocui.KeyPgup, Modifier: gocui.ModNone, Handler: scrollUpMain},
-		Binding{ViewName: "", Key: gocui.KeyPgdn, Modifier: gocui.ModNone, Handler: scrollDownMain},
-		Binding{ViewName: "", Key: 'P', Modifier: gocui.ModNone, Handler: pushFiles},
-		Binding{ViewName: "", Key: 'p', Modifier: gocui.ModNone, Handler: pullFiles},
-		Binding{ViewName: "", Key: 'R', Modifier: gocui.ModNone, Handler: handleRefresh},
-		Binding{ViewName: "files", Key: 'c', Modifier: gocui.ModNone, Handler: handleCommitPress},
-		Binding{ViewName: "files", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleFilePress},
-		Binding{ViewName: "files", Key: 'd', Modifier: gocui.ModNone, Handler: handleFileRemove},
-		Binding{ViewName: "files", Key: 'm', Modifier: gocui.ModNone, Handler: handleSwitchToMerge},
-		Binding{ViewName: "files", Key: 'o', Modifier: gocui.ModNone, Handler: handleFileOpen},
-		Binding{ViewName: "files", Key: 's', Modifier: gocui.ModNone, Handler: handleSublimeFileOpen},
-		Binding{ViewName: "files", Key: 'v', Modifier: gocui.ModNone, Handler: handleVsCodeFileOpen},
-		Binding{ViewName: "files", Key: 'i', Modifier: gocui.ModNone, Handler: handleIgnoreFile},
-		Binding{ViewName: "files", Key: 'r', Modifier: gocui.ModNone, Handler: handleRefreshFiles},
-		Binding{ViewName: "files", Key: 'S', Modifier: gocui.ModNone, Handler: handleStashSave},
-		Binding{ViewName: "files", Key: 'a', Modifier: gocui.ModNone, Handler: handleAbortMerge},
-		Binding{ViewName: "main", Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: handleSelectTop},
-		Binding{ViewName: "main", Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: handleSelectBottom},
-		Binding{ViewName: "main", Key: gocui.KeyEsc, Modifier: gocui.ModNone, Handler: handleEscapeMerge},
-		Binding{ViewName: "main", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handlePickHunk},
-		Binding{ViewName: "main", Key: 'b', Modifier: gocui.ModNone, Handler: handlePickBothHunks},
-		Binding{ViewName: "main", Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: handleSelectPrevConflict},
-		Binding{ViewName: "main", Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: handleSelectNextConflict},
-		Binding{ViewName: "main", Key: 'z', Modifier: gocui.ModNone, Handler: handlePopFileSnapshot},
-		Binding{ViewName: "branches", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleBranchPress},
-		Binding{ViewName: "branches", Key: 'c', Modifier: gocui.ModNone, Handler: handleCheckoutByName},
-		Binding{ViewName: "branches", Key: 'F', Modifier: gocui.ModNone, Handler: handleForceCheckout},
-		Binding{ViewName: "branches", Key: 'n', Modifier: gocui.ModNone, Handler: handleNewBranch},
-		Binding{ViewName: "branches", Key: 'm', Modifier: gocui.ModNone, Handler: handleMerge},
-		Binding{ViewName: "commits", Key: 's', Modifier: gocui.ModNone, Handler: handleCommitSquashDown},
-		Binding{ViewName: "commits", Key: 'r', Modifier: gocui.ModNone, Handler: handleRenameCommit},
-		Binding{ViewName: "commits", Key: 'g', Modifier: gocui.ModNone, Handler: handleResetToCommit},
-		Binding{ViewName: "stash", Key: gocui.KeySpace, Modifier: gocui.ModNone, Handler: handleStashApply},
-		Binding{ViewName: "stash", Key: 'k', Modifier: gocui.ModNone, Handler: handleStashPop},
-		Binding{ViewName: "stash", Key: 'd', Modifier: gocui.ModNone, Handler: handleStashDrop},
-	}
-	for _, binding := range bindings {
-		if err := g.SetKeybinding(binding.ViewName, binding.Key, binding.Modifier, binding.Handler); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func layout(g *gocui.Gui) error {
-	g.Highlight = true
-	g.SelFgColor = gocui.ColorWhite | gocui.AttrBold
-	if runtime.GOOS != "windows" {
-		g.FgColor = gocui.ColorBlack
-	}
-	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
-
-	panelSpacing := 1
-	if OverlappingEdges {
-		panelSpacing = 0
-	}
-
-	if height < minimumHeight {
-		v, err := g.SetView("limit", 0, 0, width-1, height-1, 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, optionsTop+2, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.BgColor = gocui.ColorDefault
-		v.FgColor = gocui.ColorBlue
-		v.Frame = false
-		v.Title = "Options"
-
-		// these are only called once
-		handleFileSelect(g, filesView)
-		refreshFiles(g)
-		refreshBranches(g)
-		refreshCommits(g)
-		refreshStashEntries(g)
-		nextView(g, nil)
-	}
-
-	return nil
-}
-
-func fetch(g *gocui.Gui) {
-	gitFetch()
-	refreshStatus(g)
-}
-
-func updateLoader(g *gocui.Gui) {
-	if confirmationView, _ := g.View("confirmation"); confirmationView != nil {
-		content := trimmedContent(confirmationView)
-		if strings.Contains(content, "...") {
-			staticContent := strings.Split(content, "...")[0] + "..."
-			renderString(g, "confirmation", staticContent+" "+loader())
-		}
-	}
-}
-
-func run() {
-	g, err := gocui.NewGui(gocui.OutputNormal, OverlappingEdges)
-	if err != nil {
-		log.Panicln(err)
-	}
-	defer g.Close()
-
-	// periodically fetching to check for upstream differences
-	go func() {
-		for range time.Tick(time.Second * 60) {
-			fetch(g)
-		}
-	}()
-
-	go func() {
-		for range time.Tick(time.Millisecond * 10) {
-			updateLoader(g)
-		}
-	}()
-
-	g.SetManagerFunc(layout)
-
-	if err := keybindings(g); err != nil {
-		log.Panicln(err)
-	}
-
-	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
-		log.Panicln(err)
-	}
-}
-
-func quit(g *gocui.Gui, v *gocui.View) error {
-	return gocui.ErrQuit
-}

main.go

@@ -1,69 +1,86 @@
 package main
 
 import (
-	"flag"
 	"fmt"
 	"log"
 	"os"
-	"os/user"
-	"time"
+	"path/filepath"
+	"runtime"
 
-	"github.com/fatih/color"
+	"github.com/go-errors/errors"
+	"github.com/integrii/flaggy"
+	"github.com/jesseduffield/lazygit/pkg/app"
+	"github.com/jesseduffield/lazygit/pkg/config"
 )
 
 var (
-	startTime time.Time
-	debugging bool
+	commit      string
+	version     = "unversioned"
+	date        string
+	buildSource = "unknown"
 )
 
-func homeDirectory() string {
-	usr, err := user.Current()
-	if err != nil {
-		log.Fatal(err)
-	}
-	return usr.HomeDir
-}
-
-func devLog(objects ...interface{}) {
-	localLog(color.FgWhite, homeDirectory()+"/go/src/github.com/jesseduffield/lazygit/development.log", objects...)
-}
-
-func colorLog(colour color.Attribute, objects ...interface{}) {
-	localLog(colour, homeDirectory()+"/go/src/github.com/jesseduffield/lazygit/development.log", objects...)
-}
-
-func commandLog(objects ...interface{}) {
-	localLog(color.FgWhite, homeDirectory()+"/go/src/github.com/jesseduffield/lazygit/commands.log", objects...)
-}
-
-func localLog(colour color.Attribute, path string, objects ...interface{}) {
-	if !debugging {
-		return
-	}
-	f, _ := os.OpenFile(path, os.O_APPEND|os.O_WRONLY, 0644)
-	defer f.Close()
-	for _, object := range objects {
-		colorFunction := color.New(colour).SprintFunc()
-		f.WriteString(colorFunction(fmt.Sprint(object)) + "\n")
-	}
-}
-
-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")
-	}
+func projectPath(path string) string {
+	gopath := os.Getenv("GOPATH")
+	return filepath.FromSlash(gopath + "/src/github.com/jesseduffield/lazygit/" + path)
 }
 
 func main() {
-	debuggingPointer := flag.Bool("debug", false, "a boolean")
-	flag.Parse()
-	debugging = *debuggingPointer
-	devLog("\n\n\n\n\n\n\n\n\n\n")
-	startTime = time.Now()
-	verifyInGitRepo()
-	navigateToRepoRootDirectory()
-	run()
+	flaggy.DefaultParser.ShowVersionWithVersionFlag = false
+
+	repoPath := "."
+	flaggy.String(&repoPath, "p", "path", "Path of git repo")
+
+	dump := ""
+	flaggy.AddPositionalValue(&dump, "gitargs", 1, false, "Todo file")
+	flaggy.DefaultParser.PositionalFlags[0].Hidden = true
+
+	versionFlag := false
+	flaggy.Bool(&versionFlag, "v", "version", "Print the current version")
+
+	debuggingFlag := false
+	flaggy.Bool(&debuggingFlag, "d", "debug", "Run in debug mode with logging")
+
+	configFlag := false
+	flaggy.Bool(&configFlag, "c", "config", "Print the current default config")
+
+	flaggy.Parse()
+
+	if versionFlag {
+		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)
+	}
+
+	if configFlag {
+		fmt.Printf("%s\n", config.GetDefaultConfig())
+		os.Exit(0)
+	}
+
+	if repoPath != "." {
+		if err := os.Chdir(repoPath); err != nil {
+			log.Fatal(err.Error())
+		}
+	}
+
+	appConfig, err := config.NewAppConfig("lazygit", version, commit, date, buildSource, debuggingFlag)
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	app, err := app.NewApp(appConfig)
+
+	if err == nil {
+		err = app.Run()
+	}
+
+	if err != nil {
+		if errorMessage, known := app.KnownError(err); known {
+			log.Fatal(errorMessage)
+		}
+		newErr := errors.Wrap(err, 0)
+		stackTrace := newErr.ErrorStack()
+		app.Log.Error(stackTrace)
+
+		log.Fatal(fmt.Sprintf("%s\n\n%s", app.Tr.SLocalize("ErrorOccurred"), stackTrace))
+	}
 }

merge_panel.go

@@ -1,264 +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(coloredString(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 {
-	colorLog(color.FgCyan, "IM HERE")
-	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 +1,211 @@
+package app
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"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
+	ClientContext string
+}
+
+type errorMapping struct {
+	originalError string
+	newError      string
+}
+
+func newProductionLogger(config config.AppConfigurer) *logrus.Logger {
+	log := logrus.New()
+	log.Out = ioutil.Discard
+	log.SetLevel(logrus.ErrorLevel)
+	return log
+}
+
+func globalConfigDir() string {
+	configDirs := configdir.New("jesseduffield", "lazygit")
+	configDir := configDirs.QueryFolders(configdir.Global)[0]
+	return configDir.Path
+}
+
+func getLogLevel() logrus.Level {
+	strLevel := os.Getenv("LOG_LEVEL")
+	level, err := logrus.ParseLevel(strLevel)
+	if err != nil {
+		return logrus.DebugLevel
+	}
+	return level
+}
+
+func newDevelopmentLogger(config config.AppConfigurer) *logrus.Logger {
+	log := logrus.New()
+	log.SetLevel(getLogLevel())
+	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
+	if config.GetDebug() || os.Getenv("DEBUG") == "TRUE" {
+		log = newDevelopmentLogger(config)
+	} else {
+		log = newProductionLogger(config)
+	}
+
+	// highly recommended: tail -f development.log | humanlog
+	// https://github.com/aybabtme/humanlog
+	log.Formatter = &logrus.JSONFormatter{}
+
+	return log.WithFields(logrus.Fields{
+		"debug":     config.GetDebug(),
+		"version":   config.GetVersion(),
+		"commit":    config.GetCommit(),
+		"buildDate": config.GetBuildDate(),
+	})
+}
+
+// NewApp bootstrap a new application
+func NewApp(config config.AppConfigurer) (*App, error) {
+	app := &App{
+		closers: []io.Closer{},
+		Config:  config,
+	}
+	var err error
+	app.Log = newLogger(config)
+	app.Tr = i18n.NewLocalizer(app.Log)
+
+	// if we are being called in 'demon' mode, we can just return here
+	app.ClientContext = os.Getenv("LAZYGIT_CLIENT_COMMAND")
+	if app.ClientContext != "" {
+		return app, nil
+	}
+
+	app.OSCommand = commands.NewOSCommand(app.Log, config)
+
+	app.Updater, err = updates.NewUpdater(app.Log, config, app.OSCommand, app.Tr)
+	if err != nil {
+		return app, err
+	}
+
+	if err := app.setupRepo(); err != nil {
+		return app, err
+	}
+
+	app.GitCommand, err = commands.NewGitCommand(app.Log, app.OSCommand, app.Tr, app.Config)
+	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
+}
+
+func (app *App) setupRepo() error {
+	// if we are not in a git repo, we ask if we want to `git init`
+	if err := app.OSCommand.RunCommand("git status"); err != nil {
+		if !strings.Contains(err.Error(), "Not a git repository") {
+			return err
+		}
+		fmt.Print(app.Tr.SLocalize("CreateRepo"))
+		response, _ := bufio.NewReader(os.Stdin).ReadString('\n')
+		if strings.Trim(response, " \n") != "y" {
+			os.Exit(1)
+		}
+		if err := app.OSCommand.RunCommand("git init"); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (app *App) Run() error {
+	if app.ClientContext == "INTERACTIVE_REBASE" {
+		return app.Rebase()
+	}
+
+	if app.ClientContext == "EXIT_IMMEDIATELY" {
+		os.Exit(0)
+	}
+
+	err := app.Gui.RunWithSubprocesses()
+	return err
+}
+
+// Rebase contains logic for when we've been run in demon mode, meaning we've
+// given lazygit as a command for git to call e.g. to edit a file
+func (app *App) Rebase() error {
+	app.Log.Info("Lazygit invoked as interactive rebase demon")
+	app.Log.Info("args: ", os.Args)
+
+	if strings.HasSuffix(os.Args[1], "git-rebase-todo") {
+		if err := ioutil.WriteFile(os.Args[1], []byte(os.Getenv("LAZYGIT_REBASE_TODO")), 0644); err != nil {
+			return err
+		}
+
+	} else if strings.HasSuffix(os.Args[1], ".git/COMMIT_EDITMSG") {
+		// if we are rebasing and squashing, we'll see a COMMIT_EDITMSG
+		// but in this case we don't need to edit it, so we'll just return
+	} else {
+		app.Log.Info("Lazygit demon did not match on any use cases")
+	}
+
+	return 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
+}
+
+// KnownError takes an error and tells us whether it's an error that we know about where we can print a nicely formatted version of it rather than panicking with a stack trace
+func (app *App) KnownError(err error) (string, bool) {
+	errorMessage := err.Error()
+
+	mappings := []errorMapping{
+		{
+			originalError: "fatal: not a git repository (or any of the parent directories): .git",
+			newError:      app.Tr.SLocalize("notARepository"),
+		},
+	}
+
+	for _, mapping := range mappings {
+		if strings.Contains(errorMessage, mapping.originalError) {
+			return mapping.newError, true
+		}
+	}
+	return "", false
+}

pkg/commands/branch.go

@@ -0,0 +1,10 @@
+package commands
+
+// Branch : A git branch
+// duplicating this for now
+type Branch struct {
+	Name      string
+	Recency   string
+	Pushables string
+	Pullables string
+}

pkg/commands/branch_list_builder.go

@@ -0,0 +1,174 @@
+package commands
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/utils"
+
+	"github.com/sirupsen/logrus"
+
+	"gopkg.in/src-d/go-git.v4/plumbing"
+)
+
+// 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
+
+// if we find out we need to use one of these functions in the git.go file, we
+// can just pull them out of here and put them there and then call them from in here
+
+// BranchListBuilder returns a list of Branch objects for the current repo
+type BranchListBuilder struct {
+	Log        *logrus.Entry
+	GitCommand *GitCommand
+}
+
+// NewBranchListBuilder builds a new branch list builder
+func NewBranchListBuilder(log *logrus.Entry, gitCommand *GitCommand) (*BranchListBuilder, error) {
+	return &BranchListBuilder{
+		Log:        log,
+		GitCommand: gitCommand,
+	}, nil
+}
+
+func (b *BranchListBuilder) obtainCurrentBranch() *Branch {
+	branchName, err := b.GitCommand.CurrentBranchName()
+	if err != nil {
+		panic(err.Error())
+	}
+
+	return &Branch{Name: strings.TrimSpace(branchName)}
+}
+
+func (b *BranchListBuilder) obtainReflogBranches() []*Branch {
+	branches := make([]*Branch, 0)
+	// if we directly put this string in RunCommandWithOutput the compiler complains because it thinks it's a format string
+	unescaped := "git reflog --date=relative --pretty='%gd|%gs' --grep-reflog='checkout: moving' HEAD"
+	rawString, err := b.GitCommand.OSCommand.RunCommandWithOutput(unescaped)
+	if err != nil {
+		return branches
+	}
+
+	branchLines := utils.SplitLines(rawString)
+	for _, line := range branchLines {
+		recency, branchName := branchInfoFromLine(line)
+		if branchName == "" {
+			continue
+		}
+		branch := &Branch{Name: branchName, Recency: recency}
+		branches = append(branches, branch)
+	}
+	return uniqueByName(branches)
+}
+
+func (b *BranchListBuilder) obtainSafeBranches() []*Branch {
+	branches := make([]*Branch, 0)
+
+	bIter, err := b.GitCommand.Repo.Branches()
+	if err != nil {
+		panic(err)
+	}
+	bIter.ForEach(func(b *plumbing.Reference) error {
+		name := b.Name().Short()
+		branches = append(branches, &Branch{Name: name})
+		return nil
+	})
+
+	return branches
+}
+
+func (b *BranchListBuilder) appendNewBranches(finalBranches, newBranches, existingBranches []*Branch, included bool) []*Branch {
+	for _, newBranch := range newBranches {
+		if included == branchIncluded(newBranch.Name, existingBranches) {
+			finalBranches = append(finalBranches, newBranch)
+		}
+	}
+	return finalBranches
+}
+
+func sanitisedReflogName(reflogBranch *Branch, safeBranches []*Branch) string {
+	for _, safeBranch := range safeBranches {
+		if strings.ToLower(safeBranch.Name) == strings.ToLower(reflogBranch.Name) {
+			return safeBranch.Name
+		}
+	}
+	return reflogBranch.Name
+}
+
+// Build the list of branches for the current repo
+func (b *BranchListBuilder) Build() []*Branch {
+	branches := make([]*Branch, 0)
+	head := b.obtainCurrentBranch()
+	safeBranches := b.obtainSafeBranches()
+
+	reflogBranches := b.obtainReflogBranches()
+	for i, reflogBranch := range reflogBranches {
+		reflogBranches[i].Name = sanitisedReflogName(reflogBranch, safeBranches)
+	}
+
+	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([]*Branch{head}, branches...)
+	}
+
+	branches[0].Recency = "  *"
+
+	return branches
+}
+
+func branchIncluded(branchName string, branches []*Branch) bool {
+	for _, existingBranch := range branches {
+		if strings.ToLower(existingBranch.Name) == strings.ToLower(branchName) {
+			return true
+		}
+	}
+	return false
+}
+
+func uniqueByName(branches []*Branch) []*Branch {
+	finalBranches := make([]*Branch, 0)
+	for _, branch := range branches {
+		if branchIncluded(branch.Name, finalBranches) {
+			continue
+		}
+		finalBranches = append(finalBranches, branch)
+	}
+	return finalBranches
+}
+
+// A line will have the form '10 days ago master' so we need to strip out the
+// useful information from that into timeNumber, timeUnit, and branchName
+func branchInfoFromLine(line string) (string, string) {
+	// example line: HEAD@{12 minutes ago}|checkout: moving from pulling-from-forks to tim77-patch-1
+	r := regexp.MustCompile(`HEAD\@\{([^\s]+) ([^\s]+) ago\}\|.*?([^\s]*)$`)
+	matches := r.FindStringSubmatch(strings.TrimSpace(line))
+	if len(matches) == 0 {
+		return "", ""
+	}
+	since := matches[1]
+	unit := matches[2]
+	branchName := matches[3]
+	return since + abbreviatedTimeUnit(unit), branchName
+}
+
+func abbreviatedTimeUnit(timeUnit string) string {
+	r := regexp.MustCompile("s$")
+	timeUnit = r.ReplaceAllString(timeUnit, "")
+	timeUnitMap := map[string]string{
+		"hour":   "h",
+		"minute": "m",
+		"second": "s",
+		"week":   "w",
+		"year":   "y",
+		"day":    "d",
+		"month":  "m",
+	}
+	return timeUnitMap[timeUnit]
+}

pkg/commands/commit.go

@@ -0,0 +1,15 @@
+package commands
+
+// Commit : A git commit
+type Commit struct {
+	Sha           string
+	Name          string
+	Status        string // one of "unpushed", "pushed", "merged", "rebasing" or "selected"
+	DisplayString string
+	Action        string // one of "", "pick", "edit", "squash", "reword", "drop", "fixup"
+	Copied        bool   // to know if this commit is ready to be cherry-picked somewhere
+	Tags          []string
+	ExtraInfo     string // something like 'HEAD -> master, tag: v0.15.2'
+	Author        string
+	Date          string
+}

pkg/commands/commit_file.go

@@ -0,0 +1,19 @@
+package commands
+
+// CommitFile : A git commit file
+type CommitFile struct {
+	Sha           string
+	Name          string
+	DisplayString string
+	Status        int // one of 'WHOLE' 'PART' 'NONE'
+}
+
+const (
+	// UNSELECTED is for when the commit file has not been added to the patch in any way
+	UNSELECTED = iota
+	// WHOLE is for when you want to add the whole diff of a file to the patch,
+	// including e.g. if it was deleted
+	WHOLE = iota
+	// PART is for when you're only talking about specific lines that have been modified
+	PART
+)

pkg/commands/commit_list_builder.go

@@ -0,0 +1,327 @@
+package commands
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+// context:
+// here we get the commits from git log but format them to show whether they're
+// unpushed/pushed/merged into the base branch or not, or if they're yet to
+// be processed as part of a rebase (these won't appear in git log but we
+// grab them from the rebase-related files in the .git directory to show them
+
+// if we find out we need to use one of these functions in the git.go file, we
+// can just pull them out of here and put them there and then call them from in here
+
+const SEPARATION_CHAR = "|"
+
+// CommitListBuilder returns a list of Branch objects for the current repo
+type CommitListBuilder struct {
+	Log                 *logrus.Entry
+	GitCommand          *GitCommand
+	OSCommand           *OSCommand
+	Tr                  *i18n.Localizer
+	CherryPickedCommits []*Commit
+	DiffEntries         []*Commit
+}
+
+// NewCommitListBuilder builds a new commit list builder
+func NewCommitListBuilder(log *logrus.Entry, gitCommand *GitCommand, osCommand *OSCommand, tr *i18n.Localizer, cherryPickedCommits []*Commit, diffEntries []*Commit) (*CommitListBuilder, error) {
+	return &CommitListBuilder{
+		Log:                 log,
+		GitCommand:          gitCommand,
+		OSCommand:           osCommand,
+		Tr:                  tr,
+		CherryPickedCommits: cherryPickedCommits,
+		DiffEntries:         diffEntries,
+	}, nil
+}
+
+// extractCommitFromLine takes a line from a git log and extracts the sha, message, date, and tag if present
+// then puts them into a commit object
+// example input:
+// 8ad01fe32fcc20f07bc6693f87aa4977c327f1e1|10 hours ago|Jesse Duffield| (HEAD -> master, tag: v0.15.2)|refresh commits when adding a tag
+func (c *CommitListBuilder) extractCommitFromLine(line string) *Commit {
+	split := strings.Split(line, SEPARATION_CHAR)
+
+	sha := split[0]
+	date := split[1]
+	author := split[2]
+	extraInfo := strings.TrimSpace(split[3])
+	message := strings.Join(split[4:], SEPARATION_CHAR)
+	tags := []string{}
+
+	if extraInfo != "" {
+		re := regexp.MustCompile(`tag: ([^,\)]+)`)
+		tagMatch := re.FindStringSubmatch(extraInfo)
+		if len(tagMatch) > 1 {
+			tags = append(tags, tagMatch[1])
+		}
+	}
+
+	return &Commit{
+		Sha:           sha,
+		Name:          message,
+		DisplayString: line,
+		Tags:          tags,
+		ExtraInfo:     extraInfo,
+		Date:          date,
+		Author:        author,
+	}
+}
+
+// GetCommits obtains the commits of the current branch
+func (c *CommitListBuilder) GetCommits(limit bool) ([]*Commit, error) {
+	commits := []*Commit{}
+	var rebasingCommits []*Commit
+	rebaseMode, err := c.GitCommand.RebaseMode()
+	if err != nil {
+		return nil, err
+	}
+	if rebaseMode != "" {
+		// here we want to also prepend the commits that we're in the process of rebasing
+		rebasingCommits, err = c.getRebasingCommits(rebaseMode)
+		if err != nil {
+			return nil, err
+		}
+		if len(rebasingCommits) > 0 {
+			commits = append(commits, rebasingCommits...)
+		}
+	}
+
+	unpushedCommits := c.getUnpushedCommits()
+	log := c.getLog(limit)
+
+	// now we can split it up and turn it into commits
+	for _, line := range utils.SplitLines(log) {
+		commit := c.extractCommitFromLine(line)
+		_, unpushed := unpushedCommits[commit.Sha[:8]]
+		commit.Status = map[bool]string{true: "unpushed", false: "pushed"}[unpushed]
+		commits = append(commits, commit)
+	}
+	if rebaseMode != "" {
+		currentCommit := commits[len(rebasingCommits)]
+		blue := color.New(color.FgYellow)
+		youAreHere := blue.Sprintf("<-- %s ---", c.Tr.SLocalize("YouAreHere"))
+		currentCommit.Name = fmt.Sprintf("%s %s", youAreHere, currentCommit.Name)
+	}
+
+	commits, err = c.setCommitMergedStatuses(commits)
+	if err != nil {
+		return nil, err
+	}
+
+	commits, err = c.setCommitCherryPickStatuses(commits)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, commit := range commits {
+		for _, entry := range c.DiffEntries {
+			if entry.Sha == commit.Sha {
+				commit.Status = "selected"
+			}
+		}
+	}
+
+	return commits, nil
+}
+
+// getRebasingCommits obtains the commits that we're in the process of rebasing
+func (c *CommitListBuilder) getRebasingCommits(rebaseMode string) ([]*Commit, error) {
+	switch rebaseMode {
+	case "normal":
+		return c.getNormalRebasingCommits()
+	case "interactive":
+		return c.getInteractiveRebasingCommits()
+	default:
+		return nil, nil
+	}
+}
+
+func (c *CommitListBuilder) getNormalRebasingCommits() ([]*Commit, error) {
+	rewrittenCount := 0
+	bytesContent, err := ioutil.ReadFile(fmt.Sprintf("%s/rebase-apply/rewritten", c.GitCommand.DotGitDir))
+	if err == nil {
+		content := string(bytesContent)
+		rewrittenCount = len(strings.Split(content, "\n"))
+	}
+
+	// we know we're rebasing, so lets get all the files whose names have numbers
+	commits := []*Commit{}
+	err = filepath.Walk(fmt.Sprintf("%s/rebase-apply", c.GitCommand.DotGitDir), func(path string, f os.FileInfo, err error) error {
+		if rewrittenCount > 0 {
+			rewrittenCount--
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+		re := regexp.MustCompile(`^\d+$`)
+		if !re.MatchString(f.Name()) {
+			return nil
+		}
+		bytesContent, err := ioutil.ReadFile(path)
+		if err != nil {
+			return err
+		}
+		content := string(bytesContent)
+		commit, err := c.commitFromPatch(content)
+		if err != nil {
+			return err
+		}
+		commits = append([]*Commit{commit}, commits...)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return commits, nil
+}
+
+// git-rebase-todo example:
+// pick ac446ae94ee560bdb8d1d057278657b251aaef17 ac446ae
+// pick afb893148791a2fbd8091aeb81deba4930c73031 afb8931
+
+// git-rebase-todo.backup example:
+// pick 49cbba374296938ea86bbd4bf4fee2f6ba5cccf6 third commit on master
+// pick ac446ae94ee560bdb8d1d057278657b251aaef17 blah  commit on master
+// pick afb893148791a2fbd8091aeb81deba4930c73031 fourth commit on master
+
+// getInteractiveRebasingCommits takes our git-rebase-todo and our git-rebase-todo.backup files
+// and extracts out the sha and names of commits that we still have to go
+// in the rebase:
+func (c *CommitListBuilder) getInteractiveRebasingCommits() ([]*Commit, error) {
+	bytesContent, err := ioutil.ReadFile(fmt.Sprintf("%s/rebase-merge/git-rebase-todo", c.GitCommand.DotGitDir))
+	if err != nil {
+		c.Log.Info(fmt.Sprintf("error occurred reading git-rebase-todo: %s", err.Error()))
+		// we assume an error means the file doesn't exist so we just return
+		return nil, nil
+	}
+
+	commits := []*Commit{}
+	lines := strings.Split(string(bytesContent), "\n")
+	for _, line := range lines {
+		if line == "" || line == "noop" {
+			return commits, nil
+		}
+		splitLine := strings.Split(line, " ")
+		commits = append([]*Commit{{
+			Sha:    splitLine[1],
+			Name:   strings.Join(splitLine[2:], " "),
+			Status: "rebasing",
+			Action: splitLine[0],
+		}}, commits...)
+	}
+
+	return nil, nil
+}
+
+// assuming the file starts like this:
+// From e93d4193e6dd45ca9cf3a5a273d7ba6cd8b8fb20 Mon Sep 17 00:00:00 2001
+// From: Lazygit Tester <test@example.com>
+// Date: Wed, 5 Dec 2018 21:03:23 +1100
+// Subject: second commit on master
+func (c *CommitListBuilder) commitFromPatch(content string) (*Commit, error) {
+	lines := strings.Split(content, "\n")
+	sha := strings.Split(lines[0], " ")[1]
+	name := strings.TrimPrefix(lines[3], "Subject: ")
+	return &Commit{
+		Sha:    sha,
+		Name:   name,
+		Status: "rebasing",
+	}, nil
+}
+
+func (c *CommitListBuilder) 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
+		}
+		if commit.Status != "pushed" {
+			continue
+		}
+		if passedAncestor {
+			commits[i].Status = "merged"
+		}
+	}
+	return commits, nil
+}
+
+func (c *CommitListBuilder) setCommitCherryPickStatuses(commits []*Commit) ([]*Commit, error) {
+	for _, commit := range commits {
+		for _, cherryPickedCommit := range c.CherryPickedCommits {
+			if commit.Sha == cherryPickedCommit.Sha {
+				commit.Copied = true
+			}
+		}
+	}
+	return commits, nil
+}
+
+func (c *CommitListBuilder) getMergeBase() (string, error) {
+	currentBranch, err := c.GitCommand.CurrentBranchName()
+	if err != nil {
+		return "", err
+	}
+
+	baseBranch := "master"
+	if strings.HasPrefix(currentBranch, "feature/") {
+		baseBranch = "develop"
+	}
+
+	// swallowing error because it's not a big deal; probably because there are no commits yet
+	output, _ := c.OSCommand.RunCommandWithOutput("git merge-base HEAD %s", baseBranch)
+	return output, nil
+}
+
+// getUnpushedCommits 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 *CommitListBuilder) getUnpushedCommits() map[string]bool {
+	pushables := map[string]bool{}
+	o, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..HEAD --abbrev-commit --abbrev=8")
+	if err != nil {
+		return pushables
+	}
+	for _, p := range utils.SplitLines(o) {
+		pushables[p] = true
+	}
+
+	return pushables
+}
+
+// getLog gets the git log.
+func (c *CommitListBuilder) getLog(limit bool) string {
+	limitFlag := ""
+	if limit {
+		limitFlag = "-30"
+	}
+
+	result, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git log --oneline --pretty=format:\"%%H%s%%ar%s%%aN%s%%d%s%%s\" %s --abbrev=%d", SEPARATION_CHAR, SEPARATION_CHAR, SEPARATION_CHAR, SEPARATION_CHAR, limitFlag, 20))
+
+	if err != nil {
+		// assume if there is an error there are no commits yet for this branch
+		return ""
+	}
+
+	return result
+}

pkg/commands/commit_list_builder_test.go

@@ -0,0 +1,151 @@
+package commands
+
+import (
+	"os/exec"
+	"testing"
+
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/stretchr/testify/assert"
+)
+
+// NewDummyCommitListBuilder creates a new dummy CommitListBuilder for testing
+func NewDummyCommitListBuilder() *CommitListBuilder {
+	osCommand := NewDummyOSCommand()
+
+	return &CommitListBuilder{
+		Log:                 NewDummyLog(),
+		GitCommand:          NewDummyGitCommandWithOSCommand(osCommand),
+		OSCommand:           osCommand,
+		Tr:                  i18n.NewLocalizer(NewDummyLog()),
+		CherryPickedCommits: []*Commit{},
+	}
+}
+
+// TestCommitListBuilderGetUnpushedCommits is a function.
+func TestCommitListBuilderGetUnpushedCommits(t *testing.T) {
+	type scenario struct {
+		testName string
+		command  func(string, ...string) *exec.Cmd
+		test     func(map[string]bool)
+	}
+
+	scenarios := []scenario{
+		{
+			"Can't retrieve pushable commits",
+			func(string, ...string) *exec.Cmd {
+				return exec.Command("test")
+			},
+			func(pushables map[string]bool) {
+				assert.EqualValues(t, map[string]bool{}, pushables)
+			},
+		},
+		{
+			"Retrieve pushable commits",
+			func(cmd string, args ...string) *exec.Cmd {
+				return exec.Command("echo", "8a2bb0e\n78976bc")
+			},
+			func(pushables map[string]bool) {
+				assert.Len(t, pushables, 2)
+				assert.EqualValues(t, map[string]bool{"8a2bb0e": true, "78976bc": true}, pushables)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			c := NewDummyCommitListBuilder()
+			c.OSCommand.SetCommand(s.command)
+			s.test(c.getUnpushedCommits())
+		})
+	}
+}
+
+// TestCommitListBuilderGetMergeBase is a function.
+func TestCommitListBuilderGetMergeBase(t *testing.T) {
+	type scenario struct {
+		testName string
+		command  func(string, ...string) *exec.Cmd
+		test     func(string, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"swallows an error if the call to merge-base returns an error",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+
+				switch args[0] {
+				case "symbolic-ref":
+					assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
+					return exec.Command("echo", "master")
+				case "merge-base":
+					assert.EqualValues(t, []string{"merge-base", "HEAD", "master"}, args)
+					return exec.Command("test")
+				}
+				return nil
+			},
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.EqualValues(t, "", output)
+			},
+		},
+		{
+			"returns the commit when master",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+
+				switch args[0] {
+				case "symbolic-ref":
+					assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
+					return exec.Command("echo", "master")
+				case "merge-base":
+					assert.EqualValues(t, []string{"merge-base", "HEAD", "master"}, args)
+					return exec.Command("echo", "blah")
+				}
+				return nil
+			},
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.Equal(t, "blah\n", output)
+			},
+		},
+		{
+			"checks against develop when a feature branch",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+
+				switch args[0] {
+				case "symbolic-ref":
+					assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
+					return exec.Command("echo", "feature/test")
+				case "merge-base":
+					assert.EqualValues(t, []string{"merge-base", "HEAD", "develop"}, args)
+					return exec.Command("echo", "blah")
+				}
+				return nil
+			},
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.Equal(t, "blah\n", output)
+			},
+		},
+		{
+			"bubbles up error if there is one",
+			func(cmd string, args ...string) *exec.Cmd {
+				return exec.Command("test")
+			},
+			func(output string, err error) {
+				assert.Error(t, err)
+				assert.Equal(t, "", output)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			c := NewDummyCommitListBuilder()
+			c.OSCommand.SetCommand(s.command)
+			s.test(c.getMergeBase())
+		})
+	}
+}

pkg/commands/dummies.go

@@ -0,0 +1,58 @@
+package commands
+
+import (
+	"io/ioutil"
+
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+	yaml "gopkg.in/yaml.v2"
+)
+
+// This file exports dummy constructors for use by tests in other packages
+
+// NewDummyOSCommand creates a new dummy OSCommand for testing
+func NewDummyOSCommand() *OSCommand {
+	return NewOSCommand(NewDummyLog(), NewDummyAppConfig())
+}
+
+// NewDummyAppConfig creates a new dummy AppConfig for testing
+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
+}
+
+// NewDummyLog creates a new dummy Log for testing
+func NewDummyLog() *logrus.Entry {
+	log := logrus.New()
+	log.Out = ioutil.Discard
+	return log.WithField("test", "test")
+}
+
+// NewDummyGitCommand creates a new dummy GitCommand for testing
+func NewDummyGitCommand() *GitCommand {
+	return NewDummyGitCommandWithOSCommand(NewDummyOSCommand())
+}
+
+// NewDummyGitCommandWithOSCommand creates a new dummy GitCommand for testing
+func NewDummyGitCommandWithOSCommand(osCommand *OSCommand) *GitCommand {
+	return &GitCommand{
+		Log:                NewDummyLog(),
+		OSCommand:          osCommand,
+		Tr:                 i18n.NewLocalizer(NewDummyLog()),
+		Config:             NewDummyAppConfig(),
+		getGlobalGitConfig: func(string) (string, error) { return "", nil },
+		getLocalGitConfig:  func(string) (string, error) { return "", nil },
+		removeFile:         func(string) error { return nil },
+	}
+}

pkg/commands/errors.go

@@ -0,0 +1,14 @@
+package commands
+
+import "github.com/go-errors/errors"
+
+// WrapError wraps an error for the sake of showing a stack trace at the top level
+// the go-errors package, for some reason, does not return nil when you try to wrap
+// a non-error, so we're just doing it here
+func WrapError(err error) error {
+	if err == nil {
+		return err
+	}
+
+	return errors.Wrap(err, 0)
+}

pkg/commands/exec_live_default.go

@@ -0,0 +1,95 @@
+// +build !windows
+
+package commands
+
+import (
+	"bufio"
+	"bytes"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/go-errors/errors"
+
+	"github.com/jesseduffield/pty"
+)
+
+// 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 {
+	cmd := c.ExecutableFromString(command)
+	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 +1,16 @@
+package commands
+
+// 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
+	HasInlineMergeConflicts bool
+	DisplayString           string
+	Type                    string // one of 'file', 'directory', and 'other'
+	ShortStatus             string // e.g. 'AD', ' A', 'M ', '??'
+}

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/loading_remotes.go

@@ -0,0 +1,58 @@
+package commands
+
+import (
+	"fmt"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+func (c *GitCommand) GetRemotes() ([]*Remote, error) {
+	// get remote branches
+	unescaped := "git branch -r"
+	remoteBranchesStr, err := c.OSCommand.RunCommandWithOutput(unescaped)
+	if err != nil {
+		return nil, err
+	}
+
+	goGitRemotes, err := c.Repo.Remotes()
+	if err != nil {
+		return nil, err
+	}
+
+	// first step is to get our remotes from go-git
+	remotes := make([]*Remote, len(goGitRemotes))
+	for i, goGitRemote := range goGitRemotes {
+		remoteName := goGitRemote.Config().Name
+
+		re := regexp.MustCompile(fmt.Sprintf(`%s\/([\S]+)`, remoteName))
+		matches := re.FindAllStringSubmatch(remoteBranchesStr, -1)
+		branches := make([]*RemoteBranch, len(matches))
+		for j, match := range matches {
+			branches[j] = &RemoteBranch{
+				Name:       match[1],
+				RemoteName: remoteName,
+			}
+		}
+
+		remotes[i] = &Remote{
+			Name:     goGitRemote.Config().Name,
+			Urls:     goGitRemote.Config().URLs,
+			Branches: branches,
+		}
+	}
+
+	// now lets sort our remotes by name alphabetically
+	sort.Slice(remotes, func(i, j int) bool {
+		// we want origin at the top because we'll be most likely to want it
+		if remotes[i].Name == "origin" {
+			return true
+		}
+		if remotes[j].Name == "origin" {
+			return false
+		}
+		return strings.ToLower(remotes[i].Name) < strings.ToLower(remotes[j].Name)
+	})
+
+	return remotes, nil
+}

pkg/commands/loading_tags.go

@@ -0,0 +1,87 @@
+package commands
+
+import (
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+const semverRegex = `v?((\d+\.?)+)([^\d]?.*)`
+
+func convertToInt(s string) int {
+	i, err := strconv.Atoi(s)
+	if err != nil {
+		return 0
+	}
+	return i
+}
+
+func (c *GitCommand) GetTags() ([]*Tag, error) {
+	// get remote branches
+	remoteBranchesStr, err := c.OSCommand.RunCommandWithOutput(`git tag --list`)
+	if err != nil {
+		return nil, err
+	}
+
+	content := utils.TrimTrailingNewline(remoteBranchesStr)
+	if content == "" {
+		return nil, nil
+	}
+
+	split := strings.Split(content, "\n")
+
+	// first step is to get our remotes from go-git
+	tags := make([]*Tag, len(split))
+	for i, tagName := range split {
+
+		tags[i] = &Tag{
+			Name: tagName,
+		}
+	}
+
+	// now lets sort our tags by name numerically
+	re := regexp.MustCompile(semverRegex)
+
+	// the reason  this is complicated is because we're both sorting alphabetically
+	// and when we're dealing with semver strings
+	sort.Slice(tags, func(i, j int) bool {
+		a := tags[i].Name
+		b := tags[j].Name
+
+		matchA := re.FindStringSubmatch(a)
+		matchB := re.FindStringSubmatch(b)
+
+		if len(matchA) > 0 && len(matchB) > 0 {
+			numbersA := strings.Split(matchA[1], ".")
+			numbersB := strings.Split(matchB[1], ".")
+			k := 0
+			for {
+				if len(numbersA) == k && len(numbersB) == k {
+					break
+				}
+				if len(numbersA) == k {
+					return true
+				}
+				if len(numbersB) == k {
+					return false
+				}
+				if convertToInt(numbersA[k]) < convertToInt(numbersB[k]) {
+					return true
+				}
+				if convertToInt(numbersA[k]) > convertToInt(numbersB[k]) {
+					return false
+				}
+				k++
+			}
+
+			return strings.ToLower(matchA[3]) < strings.ToLower(matchB[3])
+		}
+
+		return strings.ToLower(a) < strings.ToLower(b)
+	})
+
+	return tags, nil
+}

pkg/commands/os.go

@@ -0,0 +1,411 @@
+package commands
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"sync"
+
+	"github.com/go-errors/errors"
+
+	"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
+	beforeExecuteCmd   func(*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,
+		beforeExecuteCmd:   func(*exec.Cmd) {},
+		getGlobalGitConfig: gitconfig.Global,
+		getenv:             os.Getenv,
+	}
+}
+
+// SetCommand sets the command function used by the struct.
+// To be used for testing only
+func (c *OSCommand) SetCommand(cmd func(string, ...string) *exec.Cmd) {
+	c.command = cmd
+}
+
+func (c *OSCommand) SetBeforeExecuteCmd(cmd func(*exec.Cmd)) {
+	c.beforeExecuteCmd = cmd
+}
+
+// RunCommandWithOutput wrapper around commands returning their output and error
+// NOTE: If you don't pass any formatArgs we'll just use the command directly,
+// however there's a bizarre compiler error/warning when you pass in a formatString
+// with a percent sign because it thinks it's supposed to be a formatString when
+// in that case it's not. To get around that error you'll need to define the string
+// in a variable and pass the variable into RunCommandWithOutput.
+func (c *OSCommand) RunCommandWithOutput(formatString string, formatArgs ...interface{}) (string, error) {
+	command := formatString
+	if formatArgs != nil {
+		command = fmt.Sprintf(formatString, formatArgs...)
+	}
+	c.Log.WithField("command", command).Info("RunCommand")
+	cmd := c.ExecutableFromString(command)
+	return sanitisedCommandOutput(cmd.CombinedOutput())
+}
+
+// RunExecutableWithOutput runs an executable file and returns its output
+func (c *OSCommand) RunExecutableWithOutput(cmd *exec.Cmd) (string, error) {
+	c.beforeExecuteCmd(cmd)
+	return sanitisedCommandOutput(cmd.CombinedOutput())
+}
+
+// RunExecutable runs an executable file and returns an error if there was one
+func (c *OSCommand) RunExecutable(cmd *exec.Cmd) error {
+	_, err := c.RunExecutableWithOutput(cmd)
+	return err
+}
+
+// ExecutableFromString takes a string like `git status` and returns an executable command for it
+func (c *OSCommand) ExecutableFromString(commandStr string) *exec.Cmd {
+	splitCmd := str.ToArgv(commandStr)
+	cmd := c.command(splitCmd[0], splitCmd[1:]...)
+	cmd.Env = append(os.Environ(), "GIT_OPTIONAL_LOCKS=0")
+	return cmd
+}
+
+// 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(formatString string, formatArgs ...interface{}) error {
+	_, err := c.RunCommandWithOutput(formatString, formatArgs...)
+	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 "", WrapError(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
+// TODO: see if this needs to exist, given that ExecutableFromString does the same things
+func (c *OSCommand) PrepareSubProcess(cmdName string, commandArgs ...string) *exec.Cmd {
+	cmd := c.command(cmdName, commandArgs...)
+	if cmd != nil {
+		cmd.Env = append(os.Environ(), "GIT_OPTIONAL_LOCKS=0")
+	}
+	return cmd
+}
+
+// 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 WrapError(err)
+	}
+	defer f.Close()
+
+	_, err = f.WriteString("\n" + line)
+	if err != nil {
+		return WrapError(err)
+	}
+	return nil
+}
+
+// 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 "", WrapError(err)
+	}
+
+	if _, err := tmpfile.WriteString(content); err != nil {
+		c.Log.Error(err)
+		return "", WrapError(err)
+	}
+	if err := tmpfile.Close(); err != nil {
+		c.Log.Error(err)
+		return "", WrapError(err)
+	}
+
+	return tmpfile.Name(), nil
+}
+
+// CreateFileWithContent creates a file with the given content
+func (c *OSCommand) CreateFileWithContent(path string, content string) error {
+	if err := os.MkdirAll(filepath.Dir(path), os.ModePerm); err != nil {
+		c.Log.Error(err)
+		return err
+	}
+
+	if err := ioutil.WriteFile(path, []byte(content), 0644); err != nil {
+		c.Log.Error(err)
+		return WrapError(err)
+	}
+
+	return nil
+}
+
+// Remove removes a file or directory at the specified path
+func (c *OSCommand) Remove(filename string) error {
+	err := os.RemoveAll(filename)
+	return WrapError(err)
+}
+
+// FileExists checks whether a file exists at the specified path
+func (c *OSCommand) FileExists(path string) (bool, error) {
+	if _, err := os.Stat(path); err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	return true, nil
+}
+
+// RunPreparedCommand takes a pointer to an exec.Cmd and runs it
+// this is useful if you need to give your command some environment variables
+// before running it
+func (c *OSCommand) RunPreparedCommand(cmd *exec.Cmd) error {
+	c.beforeExecuteCmd(cmd)
+	out, err := cmd.CombinedOutput()
+	outString := string(out)
+	c.Log.Info(outString)
+	if err != nil {
+		if len(outString) == 0 {
+			return err
+		}
+		return errors.New(outString)
+	}
+	return nil
+}
+
+// GetLazygitPath returns the path of the currently executed file
+func (c *OSCommand) GetLazygitPath() string {
+	ex, err := os.Executable() // get the executable path for git to use
+	if err != nil {
+		ex = os.Args[0] // fallback to the first call argument if needed
+	}
+	return `"` + filepath.ToSlash(ex) + `"`
+}
+
+// RunCustomCommand returns the pointer to a custom command
+func (c *OSCommand) RunCustomCommand(command string) *exec.Cmd {
+	return c.PrepareSubProcess(c.Platform.shell, c.Platform.shellArg, command)
+}
+
+// PipeCommands runs a heap of commands and pipes their inputs/outputs together like A | B | C
+func (c *OSCommand) PipeCommands(commandStrings ...string) error {
+
+	cmds := make([]*exec.Cmd, len(commandStrings))
+
+	for i, str := range commandStrings {
+		cmds[i] = c.ExecutableFromString(str)
+	}
+
+	for i := 0; i < len(cmds)-1; i++ {
+		stdout, err := cmds[i].StdoutPipe()
+		if err != nil {
+			return err
+		}
+
+		cmds[i+1].Stdin = stdout
+	}
+
+	// keeping this here in case I adapt this code for some other purpose in the future
+	// cmds[len(cmds)-1].Stdout = os.Stdout
+
+	finalErrors := []string{}
+
+	wg := sync.WaitGroup{}
+	wg.Add(len(cmds))
+
+	for _, cmd := range cmds {
+		currentCmd := cmd
+		go func() {
+			stderr, err := currentCmd.StderrPipe()
+			if err != nil {
+				c.Log.Error(err)
+			}
+
+			if err := currentCmd.Start(); err != nil {
+				c.Log.Error(err)
+			}
+
+			if b, err := ioutil.ReadAll(stderr); err == nil {
+				if len(b) > 0 {
+					finalErrors = append(finalErrors, string(b))
+				}
+			}
+
+			if err := currentCmd.Wait(); err != nil {
+				c.Log.Error(err)
+			}
+
+			wg.Done()
+		}()
+	}
+
+	wg.Wait()
+
+	if len(finalErrors) > 0 {
+		return errors.New(strings.Join(finalErrors, "\n"))
+	}
+	return nil
+}
+
+func Kill(cmd *exec.Cmd) error {
+	if cmd.Process == nil {
+		// somebody got to it before we were able to, poor bastard
+		return nil
+	}
+	return cmd.Process.Kill()
+}

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 +1,377 @@
+package commands
+
+import (
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// 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/patch_manager.go

@@ -0,0 +1,229 @@
+package commands
+
+import (
+	"sort"
+
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+type fileInfo struct {
+	mode                int // one of WHOLE/PART
+	includedLineIndices []int
+	diff                string
+}
+
+type applyPatchFunc func(patch string, flags ...string) error
+
+// PatchManager manages the building of a patch for a commit to be applied to another commit (or the working tree, or removed from the current commit)
+type PatchManager struct {
+	CommitSha   string
+	fileInfoMap map[string]*fileInfo
+	Log         *logrus.Entry
+	ApplyPatch  applyPatchFunc
+}
+
+// NewPatchManager returns a new PatchModifier
+func NewPatchManager(log *logrus.Entry, applyPatch applyPatchFunc) *PatchManager {
+	return &PatchManager{
+		Log:        log,
+		ApplyPatch: applyPatch,
+	}
+}
+
+// NewPatchManager returns a new PatchModifier
+func (p *PatchManager) Start(commitSha string, diffMap map[string]string) {
+	p.CommitSha = commitSha
+	p.fileInfoMap = map[string]*fileInfo{}
+	for filename, diff := range diffMap {
+		p.fileInfoMap[filename] = &fileInfo{
+			mode: UNSELECTED,
+			diff: diff,
+		}
+	}
+}
+
+func (p *PatchManager) AddFile(filename string) {
+	p.fileInfoMap[filename].mode = WHOLE
+	p.fileInfoMap[filename].includedLineIndices = nil
+}
+
+func (p *PatchManager) RemoveFile(filename string) {
+	p.fileInfoMap[filename].mode = UNSELECTED
+	p.fileInfoMap[filename].includedLineIndices = nil
+}
+
+func (p *PatchManager) ToggleFileWhole(filename string) {
+	info := p.fileInfoMap[filename]
+	switch info.mode {
+	case UNSELECTED:
+		p.AddFile(filename)
+	case WHOLE:
+		p.RemoveFile(filename)
+	case PART:
+		p.AddFile(filename)
+	}
+}
+
+func getIndicesForRange(first, last int) []int {
+	indices := []int{}
+	for i := first; i <= last; i++ {
+		indices = append(indices, i)
+	}
+	return indices
+}
+
+func (p *PatchManager) AddFileLineRange(filename string, firstLineIdx, lastLineIdx int) {
+	info := p.fileInfoMap[filename]
+	info.mode = PART
+	info.includedLineIndices = utils.UnionInt(info.includedLineIndices, getIndicesForRange(firstLineIdx, lastLineIdx))
+}
+
+func (p *PatchManager) RemoveFileLineRange(filename string, firstLineIdx, lastLineIdx int) {
+	info := p.fileInfoMap[filename]
+	info.mode = PART
+	info.includedLineIndices = utils.DifferenceInt(info.includedLineIndices, getIndicesForRange(firstLineIdx, lastLineIdx))
+	if len(info.includedLineIndices) == 0 {
+		p.RemoveFile(filename)
+	}
+}
+
+func (p *PatchManager) RenderPlainPatchForFile(filename string, reverse bool, keepOriginalHeader bool) string {
+	info := p.fileInfoMap[filename]
+	if info == nil {
+		return ""
+	}
+
+	switch info.mode {
+	case WHOLE:
+		// use the whole diff
+		// the reverse flag is only for part patches so we're ignoring it here
+		return info.diff
+	case PART:
+		// generate a new diff with just the selected lines
+		m := NewPatchModifier(p.Log, filename, info.diff)
+		return m.ModifiedPatchForLines(info.includedLineIndices, reverse, keepOriginalHeader)
+	default:
+		return ""
+	}
+}
+
+func (p *PatchManager) RenderPatchForFile(filename string, plain bool, reverse bool, keepOriginalHeader bool) string {
+	patch := p.RenderPlainPatchForFile(filename, reverse, keepOriginalHeader)
+	if plain {
+		return patch
+	}
+	parser, err := NewPatchParser(p.Log, patch)
+	if err != nil {
+		// swallowing for now
+		return ""
+	}
+	// not passing included lines because we don't want to see them in the secondary panel
+	return parser.Render(-1, -1, nil)
+}
+
+func (p *PatchManager) RenderEachFilePatch(plain bool) []string {
+	// sort files by name then iterate through and render each patch
+	filenames := make([]string, len(p.fileInfoMap))
+	index := 0
+	for filename := range p.fileInfoMap {
+		filenames[index] = filename
+		index++
+	}
+
+	sort.Strings(filenames)
+	output := []string{}
+	for _, filename := range filenames {
+		patch := p.RenderPatchForFile(filename, plain, false, true)
+		if patch != "" {
+			output = append(output, patch)
+		}
+	}
+
+	return output
+}
+
+func (p *PatchManager) RenderAggregatedPatchColored(plain bool) string {
+	result := ""
+	for _, patch := range p.RenderEachFilePatch(plain) {
+		if patch != "" {
+			result += patch + "\n"
+		}
+	}
+	return result
+}
+
+func (p *PatchManager) GetFileStatus(filename string) int {
+	info := p.fileInfoMap[filename]
+	if info == nil {
+		return UNSELECTED
+	}
+	return info.mode
+}
+
+func (p *PatchManager) GetFileIncLineIndices(filename string) []int {
+	info := p.fileInfoMap[filename]
+	if info == nil {
+		return []int{}
+	}
+	return info.includedLineIndices
+}
+
+func (p *PatchManager) ApplyPatches(reverse bool) error {
+	// for whole patches we'll apply the patch in reverse
+	// but for part patches we'll apply a reverse patch forwards
+	for filename, info := range p.fileInfoMap {
+		if info.mode == UNSELECTED {
+			continue
+		}
+
+		applyFlags := []string{"index", "3way"}
+		reverseOnGenerate := false
+		if reverse {
+			if info.mode == WHOLE {
+				applyFlags = append(applyFlags, "reverse")
+			} else {
+				reverseOnGenerate = true
+			}
+		}
+
+		var err error
+		// first run we try with the original header, then without
+		for _, keepOriginalHeader := range []bool{true, false} {
+			patch := p.RenderPatchForFile(filename, true, reverseOnGenerate, keepOriginalHeader)
+			if patch == "" {
+				continue
+			}
+			if err = p.ApplyPatch(patch, applyFlags...); err != nil {
+				continue
+			}
+			break
+		}
+
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// clears the patch
+func (p *PatchManager) Reset() {
+	p.CommitSha = ""
+	p.fileInfoMap = map[string]*fileInfo{}
+}
+
+func (p *PatchManager) CommitSelected() bool {
+	return p.CommitSha != ""
+}
+
+func (p *PatchManager) IsEmpty() bool {
+	for _, fileInfo := range p.fileInfoMap {
+		if fileInfo.mode == WHOLE || (fileInfo.mode == PART && len(fileInfo.includedLineIndices) > 0) {
+			return false
+		}
+	}
+
+	return true
+}

pkg/commands/patch_modifier.go

@@ -0,0 +1,260 @@
+package commands
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+var hunkHeaderRegexp = regexp.MustCompile(`(?m)^@@ -(\d+)[^\+]+\+(\d+)[^@]+@@(.*)$`)
+var patchHeaderRegexp = regexp.MustCompile(`(?ms)(^diff.*?)^@@`)
+
+type PatchHunk struct {
+	header       string
+	FirstLineIdx int
+	LastLineIdx  int
+	bodyLines    []string
+}
+
+func newHunk(header string, body string, firstLineIdx int) *PatchHunk {
+	bodyLines := strings.SplitAfter(header+body, "\n")[1:] // dropping the header line
+
+	return &PatchHunk{
+		header:       header,
+		FirstLineIdx: firstLineIdx,
+		LastLineIdx:  firstLineIdx + len(bodyLines),
+		bodyLines:    bodyLines,
+	}
+}
+
+func (hunk *PatchHunk) updatedLines(lineIndices []int, reverse bool) []string {
+	skippedNewlineMessageIndex := -1
+	newLines := []string{}
+
+	lineIdx := hunk.FirstLineIdx
+	for _, line := range hunk.bodyLines {
+		lineIdx++ // incrementing at the start to skip the header line
+		if line == "" {
+			break
+		}
+		isLineSelected := utils.IncludesInt(lineIndices, lineIdx)
+
+		firstChar, content := line[:1], line[1:]
+		transformedFirstChar := transformedFirstChar(firstChar, reverse, isLineSelected)
+
+		if isLineSelected || (transformedFirstChar == "\\" && skippedNewlineMessageIndex != lineIdx) || transformedFirstChar == " " {
+			newLines = append(newLines, transformedFirstChar+content)
+			continue
+		}
+
+		if transformedFirstChar == "+" {
+			// we don't want to include the 'newline at end of file' line if it involves an addition we're not including
+			skippedNewlineMessageIndex = lineIdx + 1
+		}
+	}
+
+	return newLines
+}
+
+func transformedFirstChar(firstChar string, reverse bool, isLineSelected bool) string {
+	if reverse {
+		if !isLineSelected && firstChar == "+" {
+			return " "
+		} else if firstChar == "-" {
+			return "+"
+		} else if firstChar == "+" {
+			return "-"
+		} else {
+			return firstChar
+		}
+	}
+
+	if !isLineSelected && firstChar == "-" {
+		return " "
+	}
+
+	return firstChar
+}
+
+func (hunk *PatchHunk) formatHeader(oldStart int, oldLength int, newStart int, newLength int, heading string) string {
+	return fmt.Sprintf("@@ -%d,%d +%d,%d @@%s\n", oldStart, oldLength, newStart, newLength, heading)
+}
+
+func (hunk *PatchHunk) formatWithChanges(lineIndices []int, reverse bool, startOffset int) (int, string) {
+	bodyLines := hunk.updatedLines(lineIndices, reverse)
+	startOffset, header, ok := hunk.updatedHeader(bodyLines, startOffset, reverse)
+	if !ok {
+		return startOffset, ""
+	}
+	return startOffset, header + strings.Join(bodyLines, "")
+}
+
+func (hunk *PatchHunk) updatedHeader(newBodyLines []string, startOffset int, reverse bool) (int, string, bool) {
+	changeCount := 0
+	oldLength := 0
+	newLength := 0
+	for _, line := range newBodyLines {
+		switch line[:1] {
+		case "+":
+			newLength++
+			changeCount++
+		case "-":
+			oldLength++
+			changeCount++
+		case " ":
+			oldLength++
+			newLength++
+		}
+	}
+
+	if changeCount == 0 {
+		// if nothing has changed we just return nothing
+		return startOffset, "", false
+	}
+
+	// get oldstart, newstart, and heading from header
+	match := hunkHeaderRegexp.FindStringSubmatch(hunk.header)
+
+	var oldStart int
+	if reverse {
+		oldStart = mustConvertToInt(match[2])
+	} else {
+		oldStart = mustConvertToInt(match[1])
+	}
+	heading := match[3]
+
+	var newStartOffset int
+	// if the hunk went from zero to positive length, we need to increment the starting point by one
+	// if the hunk went from positive to zero length, we need to decrement the starting point by one
+	if oldLength == 0 {
+		newStartOffset = 1
+	} else if newLength == 0 {
+		newStartOffset = -1
+	} else {
+		newStartOffset = 0
+	}
+
+	newStart := oldStart + startOffset + newStartOffset
+
+	newStartOffset = startOffset + newLength - oldLength
+	formattedHeader := hunk.formatHeader(oldStart, oldLength, newStart, newLength, heading)
+	return newStartOffset, formattedHeader, true
+}
+
+func mustConvertToInt(s string) int {
+	i, err := strconv.Atoi(s)
+	if err != nil {
+		panic(err)
+	}
+	return i
+}
+
+func GetHeaderFromDiff(diff string) string {
+	match := patchHeaderRegexp.FindStringSubmatch(diff)
+	if len(match) <= 1 {
+		return ""
+	}
+	return match[1]
+}
+
+func GetHunksFromDiff(diff string) []*PatchHunk {
+	headers := hunkHeaderRegexp.FindAllString(diff, -1)
+	bodies := hunkHeaderRegexp.Split(diff, -1)[1:] // discarding top bit
+
+	headerFirstLineIndices := []int{}
+	for lineIdx, line := range strings.Split(diff, "\n") {
+		if strings.HasPrefix(line, "@@ -") {
+			headerFirstLineIndices = append(headerFirstLineIndices, lineIdx)
+		}
+	}
+
+	hunks := make([]*PatchHunk, len(headers))
+	for index, header := range headers {
+		hunks[index] = newHunk(header, bodies[index], headerFirstLineIndices[index])
+	}
+
+	return hunks
+}
+
+type PatchModifier struct {
+	Log      *logrus.Entry
+	filename string
+	hunks    []*PatchHunk
+	header   string
+}
+
+func NewPatchModifier(log *logrus.Entry, filename string, diffText string) *PatchModifier {
+	return &PatchModifier{
+		Log:      log,
+		filename: filename,
+		hunks:    GetHunksFromDiff(diffText),
+		header:   GetHeaderFromDiff(diffText),
+	}
+}
+
+func (d *PatchModifier) ModifiedPatchForLines(lineIndices []int, reverse bool, keepOriginalHeader bool) string {
+	// step one is getting only those hunks which we care about
+	hunksInRange := []*PatchHunk{}
+outer:
+	for _, hunk := range d.hunks {
+		// if there is any line in our lineIndices array that the hunk contains, we append it
+		for _, lineIdx := range lineIndices {
+			if lineIdx >= hunk.FirstLineIdx && lineIdx <= hunk.LastLineIdx {
+				hunksInRange = append(hunksInRange, hunk)
+				continue outer
+			}
+		}
+	}
+
+	// step 2 is collecting all the hunks with new headers
+	startOffset := 0
+	formattedHunks := ""
+	var formattedHunk string
+	for _, hunk := range hunksInRange {
+		startOffset, formattedHunk = hunk.formatWithChanges(lineIndices, reverse, startOffset)
+		formattedHunks += formattedHunk
+	}
+
+	if formattedHunks == "" {
+		return ""
+	}
+
+	var fileHeader string
+	// for staging/unstaging lines we don't want the original header because
+	// it makes git confused e.g. when dealing with deleted/added files
+	// but with building and applying patches the original header gives git
+	// information it needs to cleanly apply patches
+	if keepOriginalHeader {
+		fileHeader = d.header
+	} else {
+		fileHeader = fmt.Sprintf("--- a/%s\n+++ b/%s\n", d.filename, d.filename)
+	}
+
+	return fileHeader + formattedHunks
+}
+
+func (d *PatchModifier) ModifiedPatchForRange(firstLineIdx int, lastLineIdx int, reverse bool, keepOriginalHeader bool) string {
+	// generate array of consecutive line indices from our range
+	selectedLines := []int{}
+	for i := firstLineIdx; i <= lastLineIdx; i++ {
+		selectedLines = append(selectedLines, i)
+	}
+	return d.ModifiedPatchForLines(selectedLines, reverse, keepOriginalHeader)
+}
+
+func (d *PatchModifier) OriginalPatchLength() int {
+	if len(d.hunks) == 0 {
+		return 0
+	}
+
+	return d.hunks[len(d.hunks)-1].LastLineIdx
+}
+
+func ModifiedPatchForRange(log *logrus.Entry, filename string, diffText string, firstLineIdx int, lastLineIdx int, reverse bool, keepOriginalHeader bool) string {
+	p := NewPatchModifier(log, filename, diffText)
+	return p.ModifiedPatchForRange(firstLineIdx, lastLineIdx, reverse, keepOriginalHeader)
+}

pkg/commands/patch_modifier_test.go

@@ -0,0 +1,511 @@
+package commands
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const simpleDiff = `diff --git a/filename b/filename
+index dcd3485..1ba5540 100644
+--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
+-orange
++grape
+ ...
+ ...
+ ...
+`
+
+const addNewlineToEndOfFile = `diff --git a/filename b/filename
+index 80a73f1..e48a11c 100644
+--- a/filename
++++ b/filename
+@@ -60,4 +60,4 @@ grape
+ ...
+ ...
+ ...
+-last line
+\ No newline at end of file
++last line
+`
+
+const removeNewlinefromEndOfFile = `diff --git a/filename b/filename
+index e48a11c..80a73f1 100644
+--- a/filename
++++ b/filename
+@@ -60,4 +60,4 @@ grape
+ ...
+ ...
+ ...
+-last line
++last line
+\ No newline at end of file
+`
+
+const twoHunks = `diff --git a/filename b/filename
+index e48a11c..b2ab81b 100644
+--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
+-grape
++orange
+ ...
+ ...
+ ...
+@@ -8,6 +8,8 @@ grape
+ ...
+ ...
+ ...
++pear
++lemon
+ ...
+ ...
+ ...
+`
+
+const newFile = `diff --git a/newfile b/newfile
+new file mode 100644
+index 0000000..4e680cc
+--- /dev/null
++++ b/newfile
+@@ -0,0 +1,3 @@
++apple
++orange
++grape
+`
+
+const addNewlineToPreviouslyEmptyFile = `diff --git a/newfile b/newfile
+index e69de29..c6568ea 100644
+--- a/newfile
++++ b/newfile
+@@ -0,0 +1 @@
++new line
+\ No newline at end of file
+`
+
+// TestModifyPatchForRange is a function.
+func TestModifyPatchForRange(t *testing.T) {
+	type scenario struct {
+		testName       string
+		filename       string
+		diffText       string
+		firstLineIndex int
+		lastLineIndex  int
+		reverse        bool
+		expected       string
+	}
+
+	scenarios := []scenario{
+		{
+			testName:       "nothing selected",
+			filename:       "filename",
+			firstLineIndex: -1,
+			lastLineIndex:  -1,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected:       "",
+		},
+		{
+			testName:       "only context selected",
+			filename:       "filename",
+			firstLineIndex: 5,
+			lastLineIndex:  5,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected:       "",
+		},
+		{
+			testName:       "whole range selected",
+			filename:       "filename",
+			firstLineIndex: 0,
+			lastLineIndex:  11,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
+-orange
++grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "only removal selected",
+			filename:       "filename",
+			firstLineIndex: 6,
+			lastLineIndex:  6,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,4 @@
+ apple
+-orange
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "only addition selected",
+			filename:       "filename",
+			firstLineIndex: 7,
+			lastLineIndex:  7,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,6 @@
+ apple
+ orange
++grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "range that extends beyond diff bounds",
+			filename:       "filename",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
+-orange
++grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "whole range reversed",
+			filename:       "filename",
+			firstLineIndex: 0,
+			lastLineIndex:  11,
+			reverse:        true,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
++orange
+-grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "removal reversed",
+			filename:       "filename",
+			firstLineIndex: 6,
+			lastLineIndex:  6,
+			reverse:        true,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,6 @@
+ apple
++orange
+ grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "removal reversed",
+			filename:       "filename",
+			firstLineIndex: 7,
+			lastLineIndex:  7,
+			reverse:        true,
+			diffText:       simpleDiff,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,4 @@
+ apple
+-grape
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "add newline to end of file",
+			filename:       "filename",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       addNewlineToEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,4 @@ grape
+ ...
+ ...
+ ...
+-last line
+\ No newline at end of file
++last line
+`,
+		},
+		{
+			testName:       "add newline to end of file, addition only",
+			filename:       "filename",
+			firstLineIndex: 8,
+			lastLineIndex:  8,
+			reverse:        true,
+			diffText:       addNewlineToEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,5 @@ grape
+ ...
+ ...
+ ...
++last line
+\ No newline at end of file
+ last line
+`,
+		},
+		{
+			testName:       "add newline to end of file, removal only",
+			filename:       "filename",
+			firstLineIndex: 10,
+			lastLineIndex:  10,
+			reverse:        true,
+			diffText:       addNewlineToEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,3 @@ grape
+ ...
+ ...
+ ...
+-last line
+`,
+		},
+		{
+			testName:       "remove newline from end of file",
+			filename:       "filename",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       removeNewlinefromEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,4 @@ grape
+ ...
+ ...
+ ...
+-last line
++last line
+\ No newline at end of file
+`,
+		},
+		{
+			testName:       "remove newline from end of file, removal only",
+			filename:       "filename",
+			firstLineIndex: 8,
+			lastLineIndex:  8,
+			reverse:        false,
+			diffText:       removeNewlinefromEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,3 @@ grape
+ ...
+ ...
+ ...
+-last line
+`,
+		},
+		{
+			testName:       "remove newline from end of file, addition only",
+			filename:       "filename",
+			firstLineIndex: 9,
+			lastLineIndex:  9,
+			reverse:        false,
+			diffText:       removeNewlinefromEndOfFile,
+			expected: `--- a/filename
++++ b/filename
+@@ -60,4 +60,5 @@ grape
+ ...
+ ...
+ ...
+ last line
++last line
+\ No newline at end of file
+`,
+		},
+		{
+			testName:       "staging two whole hunks",
+			filename:       "filename",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       twoHunks,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,5 @@
+ apple
+-grape
++orange
+ ...
+ ...
+ ...
+@@ -8,6 +8,8 @@ grape
+ ...
+ ...
+ ...
++pear
++lemon
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "staging part of both hunks",
+			filename:       "filename",
+			firstLineIndex: 7,
+			lastLineIndex:  15,
+			reverse:        false,
+			diffText:       twoHunks,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,6 @@
+ apple
+ grape
++orange
+ ...
+ ...
+ ...
+@@ -8,6 +9,7 @@ grape
+ ...
+ ...
+ ...
++pear
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "staging part of both hunks, reversed",
+			filename:       "filename",
+			firstLineIndex: 7,
+			lastLineIndex:  15,
+			reverse:        true,
+			diffText:       twoHunks,
+			expected: `--- a/filename
++++ b/filename
+@@ -1,5 +1,4 @@
+ apple
+-orange
+ ...
+ ...
+ ...
+@@ -8,8 +7,7 @@ grape
+ ...
+ ...
+ ...
+-pear
+ lemon
+ ...
+ ...
+ ...
+`,
+		},
+		{
+			testName:       "adding a new file",
+			filename:       "newfile",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       newFile,
+			expected: `--- a/newfile
++++ b/newfile
+@@ -0,0 +1,3 @@
++apple
++orange
++grape
+`,
+		},
+		{
+			testName:       "adding part of a new file",
+			filename:       "newfile",
+			firstLineIndex: 6,
+			lastLineIndex:  7,
+			reverse:        false,
+			diffText:       newFile,
+			expected: `--- a/newfile
++++ b/newfile
+@@ -0,0 +1,2 @@
++apple
++orange
+`,
+		},
+		{
+			testName:       "adding a new file, reversed",
+			filename:       "newfile",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        true,
+			diffText:       newFile,
+			expected: `--- a/newfile
++++ b/newfile
+@@ -1,3 +0,0 @@
+-apple
+-orange
+-grape
+`,
+		},
+		{
+			testName:       "adding a new line to a previously empty file",
+			filename:       "newfile",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        false,
+			diffText:       addNewlineToPreviouslyEmptyFile,
+			expected: `--- a/newfile
++++ b/newfile
+@@ -0,0 +1,1 @@
++new line
+\ No newline at end of file
+`,
+		},
+		{
+			testName:       "adding a new line to a previously empty file, reversed",
+			filename:       "newfile",
+			firstLineIndex: -100,
+			lastLineIndex:  100,
+			reverse:        true,
+			diffText:       addNewlineToPreviouslyEmptyFile,
+			expected: `--- a/newfile
++++ b/newfile
+@@ -1,1 +0,0 @@
+-new line
+\ No newline at end of file
+`,
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			result := ModifiedPatchForRange(nil, s.filename, s.diffText, s.firstLineIndex, s.lastLineIndex, s.reverse, false)
+			if !assert.Equal(t, s.expected, result) {
+				fmt.Println(result)
+			}
+		})
+	}
+}

pkg/commands/patch_parser.go

@@ -0,0 +1,213 @@
+package commands
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	PATCH_HEADER = iota
+	COMMIT_SHA
+	COMMIT_DESCRIPTION
+	HUNK_HEADER
+	ADDITION
+	DELETION
+	CONTEXT
+	NEWLINE_MESSAGE
+)
+
+// the job of this file is to parse a diff, find out where the hunks begin and end, which lines are stageable, and how to find the next hunk from the current position or the next stageable line from the current position.
+
+type PatchLine struct {
+	Kind    int
+	Content string // something like '+ hello' (note the first character is not removed)
+}
+
+type PatchParser struct {
+	Log            *logrus.Entry
+	PatchLines     []*PatchLine
+	PatchHunks     []*PatchHunk
+	HunkStarts     []int
+	StageableLines []int // rename to mention we're talking about indexes
+}
+
+// NewPatchParser builds a new branch list builder
+func NewPatchParser(log *logrus.Entry, patch string) (*PatchParser, error) {
+	hunkStarts, stageableLines, patchLines, err := parsePatch(patch)
+	if err != nil {
+		return nil, err
+	}
+
+	patchHunks := GetHunksFromDiff(patch)
+
+	return &PatchParser{
+		Log:            log,
+		HunkStarts:     hunkStarts, // deprecated
+		StageableLines: stageableLines,
+		PatchLines:     patchLines,
+		PatchHunks:     patchHunks,
+	}, nil
+}
+
+// GetHunkContainingLine takes a line index and an offset and finds the hunk
+// which contains the line index, then returns the hunk considering the offset.
+// e.g. if the offset is 1 it will return the next hunk.
+func (p *PatchParser) GetHunkContainingLine(lineIndex int, offset int) *PatchHunk {
+	if len(p.PatchHunks) == 0 {
+		return nil
+	}
+
+	for index, hunk := range p.PatchHunks {
+		if lineIndex >= hunk.FirstLineIdx && lineIndex <= hunk.LastLineIdx {
+			resultIndex := index + offset
+			if resultIndex < 0 {
+				resultIndex = 0
+			} else if resultIndex > len(p.PatchHunks)-1 {
+				resultIndex = len(p.PatchHunks) - 1
+			}
+			return p.PatchHunks[resultIndex]
+		}
+	}
+
+	// if your cursor is past the last hunk, select the last hunk
+	if lineIndex > p.PatchHunks[len(p.PatchHunks)-1].LastLineIdx {
+		return p.PatchHunks[len(p.PatchHunks)-1]
+	}
+
+	// otherwise select the first
+	return p.PatchHunks[0]
+}
+
+// selected means you've got it highlighted with your cursor
+// included means the line has been included in the patch (only applicable when
+// building a patch)
+func (l *PatchLine) render(selected bool, included bool) string {
+	content := l.Content
+	if len(content) == 0 {
+		content = " " // using the space so that we can still highlight if necessary
+	}
+
+	// for hunk headers we need to start off cyan and then use white for the message
+	if l.Kind == HUNK_HEADER {
+		re := regexp.MustCompile("(@@.*?@@)(.*)")
+		match := re.FindStringSubmatch(content)
+		return coloredString(color.FgCyan, match[1], selected, included) + coloredString(theme.DefaultTextColor, match[2], selected, false)
+	}
+
+	var colorAttr color.Attribute
+	switch l.Kind {
+	case PATCH_HEADER:
+		colorAttr = color.Bold
+	case ADDITION:
+		colorAttr = color.FgGreen
+	case DELETION:
+		colorAttr = color.FgRed
+	case COMMIT_SHA:
+		colorAttr = color.FgYellow
+	default:
+		colorAttr = theme.DefaultTextColor
+	}
+
+	return coloredString(colorAttr, content, selected, included)
+}
+
+func coloredString(colorAttr color.Attribute, str string, selected bool, included bool) string {
+	var cl *color.Color
+	attributes := []color.Attribute{colorAttr}
+	if selected {
+		attributes = append(attributes, theme.SelectedLineBgColor)
+	}
+	cl = color.New(attributes...)
+	var clIncluded *color.Color
+	if included {
+		clIncluded = color.New(append(attributes, color.BgGreen)...)
+	} else {
+		clIncluded = color.New(attributes...)
+	}
+
+	if len(str) < 2 {
+		return utils.ColoredStringDirect(str, clIncluded)
+	}
+
+	return utils.ColoredStringDirect(str[:1], clIncluded) + utils.ColoredStringDirect(str[1:], cl)
+}
+
+func parsePatch(patch string) ([]int, []int, []*PatchLine, error) {
+	lines := strings.Split(patch, "\n")
+	hunkStarts := []int{}
+	stageableLines := []int{}
+	pastFirstHunkHeader := false
+	pastCommitDescription := true
+	patchLines := make([]*PatchLine, len(lines))
+	var lineKind int
+	var firstChar string
+	for index, line := range lines {
+		firstChar = " "
+		if len(line) > 0 {
+			firstChar = line[:1]
+		}
+		if index == 0 && strings.HasPrefix(line, "commit") {
+			lineKind = COMMIT_SHA
+			pastCommitDescription = false
+		} else if !pastCommitDescription {
+			if strings.HasPrefix(line, "diff") || strings.HasPrefix(line, "---") {
+				pastCommitDescription = true
+				lineKind = PATCH_HEADER
+			} else {
+				lineKind = COMMIT_DESCRIPTION
+			}
+		} else if firstChar == "@" {
+			pastFirstHunkHeader = true
+			hunkStarts = append(hunkStarts, index)
+			lineKind = HUNK_HEADER
+		} else if pastFirstHunkHeader {
+			switch firstChar {
+			case "-":
+				lineKind = DELETION
+				stageableLines = append(stageableLines, index)
+			case "+":
+				lineKind = ADDITION
+				stageableLines = append(stageableLines, index)
+			case "\\":
+				lineKind = NEWLINE_MESSAGE
+			case " ":
+				lineKind = CONTEXT
+			}
+		} else {
+			lineKind = PATCH_HEADER
+		}
+		patchLines[index] = &PatchLine{Kind: lineKind, Content: line}
+	}
+	return hunkStarts, stageableLines, patchLines, nil
+}
+
+// Render returns the coloured string of the diff with any selected lines highlighted
+func (p *PatchParser) Render(firstLineIndex int, lastLineIndex int, incLineIndices []int) string {
+	renderedLines := make([]string, len(p.PatchLines))
+	for index, patchLine := range p.PatchLines {
+		selected := index >= firstLineIndex && index <= lastLineIndex
+		included := utils.IncludesInt(incLineIndices, index)
+		renderedLines[index] = patchLine.render(selected, included)
+	}
+	result := strings.Join(renderedLines, "\n")
+	if strings.TrimSpace(utils.Decolorise(result)) == "" {
+		return ""
+	}
+	return result
+}
+
+// GetNextStageableLineIndex takes a line index and returns the line index of the next stageable line
+// note this will actually include the current index if it is stageable
+func (p *PatchParser) GetNextStageableLineIndex(currentIndex int) int {
+	for _, lineIndex := range p.StageableLines {
+		if lineIndex >= currentIndex {
+			return lineIndex
+		}
+	}
+	return p.StageableLines[len(p.StageableLines)-1]
+}

pkg/commands/patch_rebases.go

@@ -0,0 +1,169 @@
+package commands
+
+import "github.com/go-errors/errors"
+
+// DeletePatchesFromCommit applies a patch in reverse for a commit
+func (c *GitCommand) DeletePatchesFromCommit(commits []*Commit, commitIndex int, p *PatchManager) error {
+	if err := c.BeginInteractiveRebaseForCommit(commits, commitIndex); err != nil {
+		return err
+	}
+
+	// apply each patch in reverse
+	if err := p.ApplyPatches(true); err != nil {
+		if err := c.GenericMerge("rebase", "abort"); err != nil {
+			return err
+		}
+		return err
+	}
+
+	// time to amend the selected commit
+	if _, err := c.AmendHead(); err != nil {
+		return err
+	}
+
+	c.onSuccessfulContinue = func() error {
+		c.PatchManager.Reset()
+		return nil
+	}
+
+	// continue
+	return c.GenericMerge("rebase", "continue")
+}
+
+func (c *GitCommand) MovePatchToSelectedCommit(commits []*Commit, sourceCommitIdx int, destinationCommitIdx int, p *PatchManager) error {
+	if sourceCommitIdx < destinationCommitIdx {
+		if err := c.BeginInteractiveRebaseForCommit(commits, destinationCommitIdx); err != nil {
+			return err
+		}
+
+		// apply each patch forward
+		if err := p.ApplyPatches(false); err != nil {
+			if err := c.GenericMerge("rebase", "abort"); err != nil {
+				return err
+			}
+			return err
+		}
+
+		// amend the destination commit
+		if _, err := c.AmendHead(); err != nil {
+			return err
+		}
+
+		c.onSuccessfulContinue = func() error {
+			c.PatchManager.Reset()
+			return nil
+		}
+
+		// continue
+		return c.GenericMerge("rebase", "continue")
+	}
+
+	if len(commits)-1 < sourceCommitIdx {
+		return errors.New("index outside of range of commits")
+	}
+
+	// we can make this GPG thing possible it just means we need to do this in two parts:
+	// one where we handle the possibility of a credential request, and the other
+	// where we continue the rebase
+	if c.usingGpg() {
+		return errors.New(c.Tr.SLocalize("DisabledForGPG"))
+	}
+
+	baseIndex := sourceCommitIdx + 1
+	todo := ""
+	for i, commit := range commits[0:baseIndex] {
+		a := "pick"
+		if i == sourceCommitIdx || i == destinationCommitIdx {
+			a = "edit"
+		}
+		todo = a + " " + commit.Sha + " " + commit.Name + "\n" + todo
+	}
+
+	cmd, err := c.PrepareInteractiveRebaseCommand(commits[baseIndex].Sha, todo, true)
+	if err != nil {
+		return err
+	}
+
+	if err := c.OSCommand.RunPreparedCommand(cmd); err != nil {
+		return err
+	}
+
+	// apply each patch in reverse
+	if err := p.ApplyPatches(true); err != nil {
+		if err := c.GenericMerge("rebase", "abort"); err != nil {
+			return err
+		}
+		return err
+	}
+
+	// amend the source commit
+	if _, err := c.AmendHead(); err != nil {
+		return err
+	}
+
+	if c.onSuccessfulContinue != nil {
+		return errors.New("You are midway through another rebase operation. Please abort to start again")
+	}
+
+	c.onSuccessfulContinue = func() error {
+		// now we should be up to the destination, so let's apply forward these patches to that.
+		// ideally we would ensure we're on the right commit but I'm not sure if that check is necessary
+		if err := p.ApplyPatches(false); err != nil {
+			if err := c.GenericMerge("rebase", "abort"); err != nil {
+				return err
+			}
+			return err
+		}
+
+		// amend the destination commit
+		if _, err := c.AmendHead(); err != nil {
+			return err
+		}
+
+		c.onSuccessfulContinue = func() error {
+			c.PatchManager.Reset()
+			return nil
+		}
+
+		return c.GenericMerge("rebase", "continue")
+	}
+
+	return c.GenericMerge("rebase", "continue")
+}
+
+func (c *GitCommand) PullPatchIntoIndex(commits []*Commit, commitIdx int, p *PatchManager) error {
+	if err := c.BeginInteractiveRebaseForCommit(commits, commitIdx); err != nil {
+		return err
+	}
+
+	if err := p.ApplyPatches(true); err != nil {
+		if err := c.GenericMerge("rebase", "abort"); err != nil {
+			return err
+		}
+		return err
+	}
+
+	// amend the commit
+	if _, err := c.AmendHead(); err != nil {
+		return err
+	}
+
+	if c.onSuccessfulContinue != nil {
+		return errors.New("You are midway through another rebase operation. Please abort to start again")
+	}
+
+	c.onSuccessfulContinue = func() error {
+		// add patches to index
+		if err := p.ApplyPatches(false); err != nil {
+			if err := c.GenericMerge("rebase", "abort"); err != nil {
+				return err
+			}
+			return err
+		}
+
+		c.PatchManager.Reset()
+		return nil
+	}
+
+	return c.GenericMerge("rebase", "continue")
+}

pkg/commands/pull_request.go

@@ -0,0 +1,143 @@
+package commands
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/go-errors/errors"
+	"github.com/jesseduffield/lazygit/pkg/config"
+)
+
+// 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
+}
+
+// NewService builds a Service based on the host type
+func NewService(typeName string, repositoryDomain string, siteDomain string) *Service {
+	var service *Service
+
+	switch typeName {
+	case "github":
+		service = &Service{
+			Name:           repositoryDomain,
+			PullRequestURL: fmt.Sprintf("https://%s%s", siteDomain, "/%s/%s/compare/%s?expand=1"),
+		}
+	case "bitbucket":
+		service = &Service{
+			Name:           repositoryDomain,
+			PullRequestURL: fmt.Sprintf("https://%s%s", siteDomain, "/%s/%s/pull-requests/new?source=%s&t=1"),
+		}
+	case "gitlab":
+		service = &Service{
+			Name:           repositoryDomain,
+			PullRequestURL: fmt.Sprintf("https://%s%s", siteDomain, "/%s/%s/merge_requests/new?merge_request[source_branch]=%s"),
+		}
+	}
+
+	return service
+}
+
+func getServices(config config.AppConfigurer) []*Service {
+	services := []*Service{
+		NewService("github", "github.com", "github.com"),
+		NewService("bitbucket", "bitbucket.org", "bitbucket.org"),
+		NewService("gitlab", "gitlab.com", "gitlab.com"),
+	}
+
+	configServices := config.GetUserConfig().GetStringMapString("services")
+
+	for repoDomain, typeAndDomain := range configServices {
+		splitData := strings.Split(typeAndDomain, ":")
+		if len(splitData) != 2 {
+			// TODO log this misconfiguration
+			continue
+		}
+
+		service := NewService(splitData[0], repoDomain, splitData[1])
+		if service == nil {
+			// TODO log this unsupported service
+			continue
+		}
+
+		services = append(services, service)
+	}
+
+	return services
+}
+
+// NewPullRequest creates new instance of PullRequest
+func NewPullRequest(gitCommand *GitCommand) *PullRequest {
+	return &PullRequest{
+		GitServices: getServices(gitCommand.Config),
+		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 := strings.Join(splits[3:len(splits)-1], "/")
+		repo := strings.TrimSuffix(splits[len(splits)-1], ".git")
+
+		return &RepoInformation{
+			Owner:      owner,
+			Repository: repo,
+		}
+	}
+
+	tmpSplit := strings.Split(url, ":")
+	splits := strings.Split(tmpSplit[1], "/")
+	owner := strings.Join(splits[0:len(splits)-1], "/")
+	repo := strings.TrimSuffix(splits[len(splits)-1], ".git")
+
+	return &RepoInformation{
+		Owner:      owner,
+		Repository: repo,
+	}
+}

pkg/commands/pull_request_test.go

@@ -0,0 +1,161 @@
+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?source=feature/profile-page&t=1"})
+				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?source=feature/events&t=1"})
+				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}}")
+			gitCommand.Config.GetUserConfig().Set("services", map[string]string{
+				// valid configuration for a custom service URL
+				"git.work.com": "gitlab:code.work.com",
+				// invalid configurations for a custom service URL
+				"invalid.work.com":   "noservice:invalid.work.com",
+				"noservice.work.com": "noservice.work.com",
+			})
+			dummyPullRequest := NewPullRequest(gitCommand)
+			s.test(dummyPullRequest.Create(s.branch))
+		})
+	}
+}

pkg/commands/remote.go

@@ -0,0 +1,24 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// Remote : A git remote
+type Remote struct {
+	Name     string
+	Urls     []string
+	Selected bool
+	Branches []*RemoteBranch
+}
+
+// GetDisplayStrings returns the display string of a remote
+func (r *Remote) GetDisplayStrings(isFocused bool) []string {
+
+	branchCount := len(r.Branches)
+
+	return []string{r.Name, utils.ColoredString(fmt.Sprintf("%d branches", branchCount), color.FgBlue)}
+}

pkg/commands/remote_branch.go

@@ -0,0 +1,7 @@
+package commands
+
+// Remote Branch : A git remote branch
+type RemoteBranch struct {
+	Name       string
+	RemoteName string
+}

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 display string of branch
+func (s *StashEntry) GetDisplayStrings(isFocused bool) []string {
+	return []string{s.DisplayString}
+}

pkg/commands/tag.go

@@ -0,0 +1,6 @@
+package commands
+
+// Tag : A git tag
+type Tag struct {
+	Name string
+}

pkg/config/app_config.go

@@ -0,0 +1,396 @@
+package config
+
+import (
+	"bytes"
+	"io/ioutil"
+	"os"
+	"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
+	UserConfigDir string
+	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
+	GetUserConfigDir() string
+	GetAppState() *AppState
+	WriteToUserConfig(string, interface{}) 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, userConfigPath, err := LoadConfig("config", true)
+	if err != nil {
+		return nil, err
+	}
+
+	if os.Getenv("DEBUG") == "TRUE" {
+		debuggingFlag = true
+	}
+
+	appConfig := &AppConfig{
+		Name:          "lazygit",
+		Version:       version,
+		Commit:        commit,
+		BuildDate:     date,
+		Debug:         debuggingFlag,
+		BuildSource:   buildSource,
+		UserConfig:    userConfig,
+		UserConfigDir: filepath.Dir(userConfigPath),
+		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 (c *AppConfig) GetUserConfigDir() string {
+	return c.UserConfigDir
+}
+
+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, string, 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
+		}
+	}
+	configPath, err := LoadAndMergeFile(v, filename+".yml")
+	if err != nil {
+		return nil, "", err
+	}
+	return v, configPath, 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) (string, error) {
+	configPath, err := prepareConfigFile(filename)
+	if err != nil {
+		return "", err
+	}
+
+	v.AddConfigPath(filepath.Dir(configPath))
+	return configPath, v.MergeInConfig()
+}
+
+// WriteToUserConfig adds a key/value pair to the user's config and saves it
+func (c *AppConfig) WriteToUserConfig(key string, value interface{}) 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 marshalls 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
+  mouseEvents: true
+  skipUnstageLineWarning: false
+  sidePanelWidth: 0.3333
+  theme:
+    lightTheme: false
+    activeBorderColor:
+      - green
+      - bold
+    inactiveBorderColor:
+      - white
+    optionsTextColor:
+      - blue
+    selectedLineBgColor:
+      - blue
+  commitLength:
+    show: true
+git:
+  paging:
+    colorArg: always
+    useConfig: false
+  merging:
+    manualCommit: false
+  skipHookPrefix: 'WIP'
+  autoFetch: 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'
+splashUpdatesIndex: 0
+confirmOnQuit: false
+keybinding:
+  universal:
+    quit: 'q'
+    quit-alt1: '<c-c>'
+    return: '<esc>'
+    quitWithoutChangingDirectory: 'Q'
+    togglePanel: '<tab>'
+    prevItem: '<up>'
+    nextItem: '<down>'
+    prevItem-alt: 'k'
+    nextItem-alt: 'j'
+    prevBlock: '<left>'
+    nextBlock: '<right>'
+    prevBlock-alt: 'h'
+    nextBlock-alt: 'l'
+    nextMatch: 'n'
+    prevMatch: 'N'
+    startSearch: '/'
+    optionMenu: 'x'
+    optionMenu-alt1: '?'
+    select: '<space>'
+    goInto: '<enter>'
+    remove: 'd'
+    new: 'n'
+    edit: 'e'
+    openFile: 'o'
+    scrollUpMain: '<pgup>'
+    scrollDownMain: '<pgdown>'
+    scrollUpMain-alt1: 'K'
+    scrollDownMain-alt1: 'J'
+    scrollUpMain-alt2: '<c-u>'
+    scrollDownMain-alt2: '<c-d>'
+    executeCustomCommand: ':'
+    createRebaseOptionsMenu: 'm'
+    pushFiles: 'P'
+    pullFiles: 'p'
+    refresh: 'R'
+    createPatchOptionsMenu: '<c-p>'
+    nextTab: ']'
+    prevTab: '['
+    nextScreenMode: '+'
+    prevScreenMode: '_'
+  status:
+    checkForUpdate: 'u'
+    recentRepos: '<enter>'
+  files:
+    commitChanges: 'c'
+    commitChangesWithoutHook: 'w'
+    amendLastCommit: 'A'
+    commitChangesWithEditor: 'C'
+    ignoreFile: 'i'
+    refreshFiles: 'r'
+    stashAllChanges: 's'
+    viewStashOptions: 'S'
+    toggleStagedAll: 'a'
+    viewResetOptions: 'D'
+    fetch: 'f'
+  branches:
+    createPullRequest: 'o'
+    checkoutBranchByName: 'c'
+    forceCheckoutBranch: 'F'
+    rebaseBranch: 'r'
+    mergeIntoCurrentBranch: 'M'
+    viewGitFlowOptions: 'i'
+    fastForward: 'f'
+    pushTag: 'P'
+    setUpstream: 'u'
+    fetchRemote: 'f'
+  commits:
+    squashDown: 's'
+    renameCommit: 'r'
+    renameCommitWithEditor: 'R'
+    viewResetOptions: 'g'
+    markCommitAsFixup: 'f'
+    createFixupCommit: 'F'
+    squashAboveCommits: 'S'
+    moveDownCommit: '<c-j>'
+    moveUpCommit: '<c-k>'
+    amendToCommit: 'A'
+    pickCommit: 'p'
+    revertCommit: 't'
+    cherryPickCopy: 'c'
+    cherryPickCopyRange: 'C'
+    pasteCommits: 'v'
+    tagCommit: 'T'
+    toggleDiffCommit: 'i'
+    checkoutCommit: '<space>'
+  stash:
+    popStash: 'g'
+  commitFiles:
+    checkoutCommitFile: 'c'
+  main:
+    toggleDragSelect: 'v'
+    toggleDragSelect-alt: 'V'
+    toggleSelectHunk: 'a'
+    pickBothHunks: 'b'
+    undo: 'z'
+`)
+}
+
+// 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/gui/app_status_manager.go

@@ -0,0 +1,83 @@
+package gui
+
+import (
+	"time"
+
+	"github.com/jesseduffield/gocui"
+	"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
+}
+
+// WithWaitingStatus wraps a function and shows a waiting status while the function is still executing
+func (gui *Gui) WithWaitingStatus(name string, f func() error) error {
+	go func() {
+		gui.statusManager.addWaitingStatus(name)
+
+		defer func() {
+			gui.statusManager.removeStatus(name)
+		}()
+
+		go func() {
+			ticker := time.NewTicker(time.Millisecond * 50)
+			defer ticker.Stop()
+			for range ticker.C {
+				appStatus := gui.statusManager.getStatusString()
+				gui.Log.Warn(appStatus)
+				if appStatus == "" {
+					return
+				}
+				if err := gui.renderString(gui.g, "appStatus", appStatus); err != nil {
+					gui.Log.Warn(err)
+				}
+			}
+		}()
+
+		if err := f(); err != nil {
+			gui.g.Update(func(g *gocui.Gui) error {
+				return gui.createErrorPanel(gui.g, err.Error())
+			})
+		}
+	}()
+
+	return nil
+}

pkg/gui/branches_panel.go

@@ -0,0 +1,460 @@
+package gui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/gui/presentation"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// 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 {
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	gui.State.SplitMainPanel = false
+
+	if _, err := gui.g.SetCurrentView(v.Name()); err != nil {
+		return err
+	}
+
+	gui.getMainView().Title = "Log"
+
+	// This really shouldn't happen: there should always be a master branch
+	if len(gui.State.Branches) == 0 {
+		return gui.newStringTask("main", gui.Tr.SLocalize("NoBranchesThisRepo"))
+	}
+	branch := gui.getSelectedBranch()
+	if err := gui.focusPoint(0, gui.State.Panels.Branches.SelectedLine, len(gui.State.Branches), v); err != nil {
+		return err
+	}
+	if err := gui.RenderSelectedBranchUpstreamDifferences(); err != nil {
+		return err
+	}
+
+	cmd := gui.OSCommand.ExecutableFromString(
+		gui.GitCommand.GetBranchGraphCmdStr(branch.Name),
+	)
+	if err := gui.newCmdTask("main", cmd); err != nil {
+		gui.Log.Error(err)
+	}
+	return nil
+}
+
+func (gui *Gui) RenderSelectedBranchUpstreamDifferences() error {
+	return gui.newTask("branches", func(stop chan struct{}) error {
+		branch := gui.getSelectedBranch()
+		branch.Pushables, branch.Pullables = gui.GitCommand.GetBranchUpstreamDifferenceCount(branch.Name)
+
+		select {
+		case <-stop:
+			return nil
+		default:
+		}
+
+		branchesView := gui.getBranchesView()
+		displayStrings := presentation.GetBranchListDisplayStrings(gui.State.Branches, gui.currentViewName() == "branches", gui.State.Panels.Branches.SelectedLine)
+		gui.renderDisplayStrings(branchesView, displayStrings)
+		return nil
+	})
+}
+
+// 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 {
+	if err := gui.refreshRemotes(); err != nil {
+		return err
+	}
+
+	if err := gui.refreshTags(); err != nil {
+		return err
+	}
+
+	g.Update(func(g *gocui.Gui) error {
+		builder, err := commands.NewBranchListBuilder(gui.Log, gui.GitCommand)
+		if err != nil {
+			return err
+		}
+		gui.State.Branches = builder.Build()
+
+		// TODO: if we're in the remotes view and we've just deleted a remote we need to refresh accordingly
+		if gui.getBranchesView().Context == "local-branches" {
+			if err := gui.renderLocalBranchesWithSelection(); err != nil {
+				return err
+			}
+		}
+
+		return gui.refreshStatus(g)
+	})
+	return nil
+}
+
+func (gui *Gui) renderLocalBranchesWithSelection() error {
+	branchesView := gui.getBranchesView()
+
+	gui.refreshSelectedLine(&gui.State.Panels.Branches.SelectedLine, len(gui.State.Branches))
+	if err := gui.RenderSelectedBranchUpstreamDifferences(); err != nil {
+		return err
+	}
+	if gui.g.CurrentView() == branchesView {
+		if err := gui.handleBranchSelect(gui.g, branchesView); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// 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()
+	return gui.handleCheckoutRef(branch.Name)
+}
+
+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.createLoaderPanel(gui.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, true, 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) handleCheckoutRef(ref string) error {
+	if err := gui.GitCommand.Checkout(ref, false); err != nil {
+		// note, this will only work for english-language git commands. If we force git to use english, and the error isn't this one, then the user will receive an english command they may not understand. I'm not sure what the best solution to this is. Running the command once in english and a second time in the native language is one option
+
+		if strings.Contains(err.Error(), "Please commit your changes or stash them before you switch branch") {
+			// offer to autostash changes
+			return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("AutoStashTitle"), gui.Tr.SLocalize("AutoStashPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+				if err := gui.GitCommand.StashSave(gui.Tr.SLocalize("StashPrefix") + ref); err != nil {
+					return gui.createErrorPanel(g, err.Error())
+				}
+				if err := gui.GitCommand.Checkout(ref, false); err != nil {
+					return gui.createErrorPanel(g, err.Error())
+				}
+
+				// checkout successful so we select the new branch
+				gui.State.Panels.Branches.SelectedLine = 0
+
+				if err := gui.GitCommand.StashDo(0, "pop"); err != nil {
+					if err := gui.refreshSidePanels(g); err != nil {
+						return err
+					}
+					return gui.createErrorPanel(g, err.Error())
+				}
+				return gui.refreshSidePanels(g)
+			}, nil)
+		}
+
+		if err := gui.createErrorPanel(gui.g, err.Error()); err != nil {
+			return err
+		}
+	}
+
+	gui.State.Panels.Branches.SelectedLine = 0
+	gui.State.Panels.Commits.SelectedLine = 0
+	return gui.refreshSidePanels(gui.g)
+}
+
+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 {
+		return gui.handleCheckoutRef(gui.trimmedContent(v))
+	})
+	return nil
+}
+
+func (gui *Gui) getCheckedOutBranch() *commands.Branch {
+	if len(gui.State.Branches) == 0 {
+		return nil
+	}
+
+	return gui.State.Branches[0]
+}
+
+func (gui *Gui) handleNewBranch(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getCheckedOutBranch()
+	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.getCheckedOutBranch()
+	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, true, 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) mergeBranchIntoCheckedOutBranch(branchName string) error {
+	if gui.GitCommand.IsHeadDetached() {
+		return gui.createErrorPanel(gui.g, "Cannot merge branch in detached head state. You might have checked out a commit directly or a remote branch, in which case you should checkout the local branch you want to be on")
+	}
+	checkedOutBranchName := gui.getCheckedOutBranch().Name
+	if checkedOutBranchName == branchName {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("CantMergeBranchIntoItself"))
+	}
+	prompt := gui.Tr.TemplateLocalize(
+		"ConfirmMerge",
+		Teml{
+			"checkedOutBranch": checkedOutBranchName,
+			"selectedBranch":   branchName,
+		},
+	)
+	return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("MergingTitle"), prompt,
+		func(g *gocui.Gui, v *gocui.View) error {
+
+			err := gui.GitCommand.Merge(branchName)
+			return gui.handleGenericMergeCommandResult(err)
+		}, nil)
+}
+
+func (gui *Gui) handleMerge(g *gocui.Gui, v *gocui.View) error {
+	selectedBranchName := gui.getSelectedBranch().Name
+	return gui.mergeBranchIntoCheckedOutBranch(selectedBranchName)
+}
+
+func (gui *Gui) handleRebaseOntoLocalBranch(g *gocui.Gui, v *gocui.View) error {
+	selectedBranchName := gui.getSelectedBranch().Name
+	return gui.handleRebaseOntoBranch(selectedBranchName)
+}
+
+func (gui *Gui) handleRebaseOntoBranch(selectedBranchName string) error {
+	checkedOutBranch := gui.getCheckedOutBranch().Name
+	if selectedBranchName == checkedOutBranch {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("CantRebaseOntoSelf"))
+	}
+	prompt := gui.Tr.TemplateLocalize(
+		"ConfirmRebase",
+		Teml{
+			"checkedOutBranch": checkedOutBranch,
+			"selectedBranch":   selectedBranchName,
+		},
+	)
+	return gui.createConfirmationPanel(gui.g, gui.getBranchesView(), true, gui.Tr.SLocalize("RebasingTitle"), prompt,
+		func(g *gocui.Gui, v *gocui.View) error {
+			err := gui.GitCommand.RebaseBranch(selectedBranchName)
+			return gui.handleGenericMergeCommandResult(err)
+		}, 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, gui.Tr.SLocalize("FwdNoUpstream"))
+	}
+	if branch.Pushables != "0" {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("FwdCommitsToPush"))
+	}
+
+	upstream, err := gui.GitCommand.GetUpstreamForBranch(branch.Name)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+
+	split := strings.Split(upstream, "/")
+	remoteName := split[0]
+	remoteBranchName := strings.Join(split[1:], "/")
+
+	message := gui.Tr.TemplateLocalize(
+		"Fetching",
+		Teml{
+			"from": fmt.Sprintf("%s/%s", remoteName, remoteBranchName),
+			"to":   branch.Name,
+		},
+	)
+	go func() {
+		_ = gui.createLoaderPanel(gui.g, v, message)
+
+		if gui.State.Panels.Branches.SelectedLine == 0 {
+			if err := gui.GitCommand.PullWithoutPasswordCheck("--ff-only"); err != nil {
+				_ = gui.createErrorPanel(gui.g, err.Error())
+			}
+			_ = gui.refreshSidePanels(gui.g)
+		} else {
+			if err := gui.GitCommand.FastForward(branch.Name, remoteName, remoteBranchName); err != nil {
+				_ = gui.createErrorPanel(gui.g, err.Error())
+			}
+			_ = gui.RenderSelectedBranchUpstreamDifferences()
+		}
+
+		_ = gui.closeConfirmationPrompt(gui.g, true)
+	}()
+	return nil
+}
+
+func (gui *Gui) onBranchesTabClick(tabIndex int) error {
+	contexts := []string{"local-branches", "remotes", "tags"}
+	branchesView := gui.getBranchesView()
+	branchesView.TabIndex = tabIndex
+
+	return gui.switchBranchesPanelContext(contexts[tabIndex])
+}
+
+func (gui *Gui) switchBranchesPanelContext(context string) error {
+	branchesView := gui.getBranchesView()
+	branchesView.Context = context
+	gui.onSearchEscape()
+
+	contextTabIndexMap := map[string]int{
+		"local-branches":  0,
+		"remotes":         1,
+		"remote-branches": 1,
+		"tags":            2,
+	}
+
+	branchesView.TabIndex = contextTabIndexMap[context]
+
+	switch context {
+	case "local-branches":
+		return gui.renderLocalBranchesWithSelection()
+	case "remotes":
+		return gui.renderRemotesWithSelection()
+	case "remote-branches":
+		return gui.renderRemoteBranchesWithSelection()
+	case "tags":
+		return gui.renderTagsWithSelection()
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleNextBranchesTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onBranchesTabClick(
+		utils.ModuloWithWrap(v.TabIndex+1, len(v.Tabs)),
+	)
+}
+
+func (gui *Gui) handlePrevBranchesTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onBranchesTabClick(
+		utils.ModuloWithWrap(v.TabIndex-1, len(v.Tabs)),
+	)
+}
+
+func (gui *Gui) handleCreateResetToBranchMenu(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getSelectedBranch()
+	if branch == nil {
+		return nil
+	}
+
+	return gui.createResetMenu(branch.Name)
+}
+
+func (gui *Gui) onBranchesPanelSearchSelect(selectedLine int) error {
+	branchesView := gui.getBranchesView()
+	switch branchesView.Context {
+	case "local-branches":
+		gui.State.Panels.Branches.SelectedLine = selectedLine
+		return gui.handleBranchSelect(gui.g, branchesView)
+	case "remotes":
+		gui.State.Panels.Remotes.SelectedLine = selectedLine
+		return gui.handleRemoteSelect(gui.g, branchesView)
+	case "remote-branches":
+		gui.State.Panels.RemoteBranches.SelectedLine = selectedLine
+		return gui.handleRemoteBranchSelect(gui.g, branchesView)
+	}
+	return nil
+}

pkg/gui/commit_files_panel.go

@@ -0,0 +1,220 @@
+package gui
+
+import (
+	"github.com/go-errors/errors"
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/gui/presentation"
+)
+
+func (gui *Gui) getSelectedCommitFile(g *gocui.Gui) *commands.CommitFile {
+	selectedLine := gui.State.Panels.CommitFiles.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.CommitFiles[selectedLine]
+}
+
+func (gui *Gui) handleCommitFilesClick(g *gocui.Gui, v *gocui.View) error {
+	itemCount := len(gui.State.CommitFiles)
+	handleSelect := gui.handleCommitFileSelect
+	selectedLine := &gui.State.Panels.CommitFiles.SelectedLine
+
+	return gui.handleClick(v, itemCount, selectedLine, handleSelect)
+}
+
+func (gui *Gui) handleCommitFileSelect(g *gocui.Gui, v *gocui.View) error {
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	gui.getMainView().Title = "Patch"
+	if gui.currentViewName() == "commitFiles" {
+		gui.handleEscapeLineByLinePanel()
+	}
+
+	commitFile := gui.getSelectedCommitFile(g)
+	if commitFile == nil {
+		return gui.renderString(g, "commitFiles", gui.Tr.SLocalize("NoCommiteFiles"))
+	}
+
+	if err := gui.refreshSecondaryPatchPanel(); err != nil {
+		return err
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.CommitFiles.SelectedLine, len(gui.State.CommitFiles), v); err != nil {
+		return err
+	}
+
+	cmd := gui.OSCommand.ExecutableFromString(
+		gui.GitCommand.ShowCommitFileCmdStr(commitFile.Sha, commitFile.Name, false),
+	)
+	if err := gui.newPtyTask("main", cmd); err != nil {
+		gui.Log.Error(err)
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleSwitchToCommitsPanel(g *gocui.Gui, v *gocui.View) error {
+	return gui.switchFocus(g, v, gui.getCommitsView())
+}
+
+func (gui *Gui) handleCheckoutCommitFile(g *gocui.Gui, v *gocui.View) error {
+	file := gui.State.CommitFiles[gui.State.Panels.CommitFiles.SelectedLine]
+
+	if err := gui.GitCommand.CheckoutFile(file.Sha, file.Name); err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+
+	return gui.refreshFiles()
+}
+
+func (gui *Gui) handleDiscardOldFileChange(g *gocui.Gui, v *gocui.View) error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	fileName := gui.State.CommitFiles[gui.State.Panels.CommitFiles.SelectedLine].Name
+
+	return gui.createConfirmationPanel(gui.g, v, true, gui.Tr.SLocalize("DiscardFileChangesTitle"), gui.Tr.SLocalize("DiscardFileChangesPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("RebasingStatus"), func() error {
+			if err := gui.GitCommand.DiscardOldFileChanges(gui.State.Commits, gui.State.Panels.Commits.SelectedLine, fileName); err != nil {
+				if err := gui.handleGenericMergeCommandResult(err); err != nil {
+					return err
+				}
+			}
+
+			return gui.refreshSidePanels(gui.g)
+		})
+	}, nil)
+}
+
+func (gui *Gui) refreshCommitFilesView() error {
+	if err := gui.refreshSecondaryPatchPanel(); err != nil {
+		return err
+	}
+
+	if err := gui.refreshPatchBuildingPanel(-1); err != nil {
+		return err
+	}
+
+	commit := gui.getSelectedCommit(gui.g)
+	if commit == nil {
+		return nil
+	}
+
+	files, err := gui.GitCommand.GetCommitFiles(commit.Sha, gui.GitCommand.PatchManager)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	gui.State.CommitFiles = files
+
+	gui.refreshSelectedLine(&gui.State.Panels.CommitFiles.SelectedLine, len(gui.State.CommitFiles))
+
+	commitsFileView := gui.getCommitFilesView()
+	displayStrings := presentation.GetCommitFileListDisplayStrings(gui.State.CommitFiles)
+	gui.renderDisplayStrings(commitsFileView, displayStrings)
+
+	return gui.handleCommitFileSelect(gui.g, commitsFileView)
+}
+
+func (gui *Gui) handleOpenOldCommitFile(g *gocui.Gui, v *gocui.View) error {
+	file := gui.getSelectedCommitFile(g)
+	return gui.openFile(file.Name)
+}
+
+func (gui *Gui) handleToggleFileForPatch(g *gocui.Gui, v *gocui.View) error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	commitFile := gui.getSelectedCommitFile(g)
+	if commitFile == nil {
+		return gui.renderString(g, "commitFiles", gui.Tr.SLocalize("NoCommiteFiles"))
+	}
+
+	toggleTheFile := func() error {
+		if !gui.GitCommand.PatchManager.CommitSelected() {
+			if err := gui.startPatchManager(); err != nil {
+				return err
+			}
+		}
+
+		gui.GitCommand.PatchManager.ToggleFileWhole(commitFile.Name)
+
+		return gui.refreshCommitFilesView()
+	}
+
+	if gui.GitCommand.PatchManager.CommitSelected() && gui.GitCommand.PatchManager.CommitSha != commitFile.Sha {
+		return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("DiscardPatch"), gui.Tr.SLocalize("DiscardPatchConfirm"), func(g *gocui.Gui, v *gocui.View) error {
+			gui.GitCommand.PatchManager.Reset()
+			return toggleTheFile()
+		}, nil)
+	}
+
+	return toggleTheFile()
+}
+
+func (gui *Gui) startPatchManager() error {
+	diffMap := map[string]string{}
+	for _, commitFile := range gui.State.CommitFiles {
+		commitText, err := gui.GitCommand.ShowCommitFile(commitFile.Sha, commitFile.Name, true)
+		if err != nil {
+			return err
+		}
+		diffMap[commitFile.Name] = commitText
+	}
+
+	commit := gui.getSelectedCommit(gui.g)
+	if commit == nil {
+		return errors.New("No commit selected")
+	}
+
+	gui.GitCommand.PatchManager.Start(commit.Sha, diffMap)
+	return nil
+}
+
+func (gui *Gui) handleEnterCommitFile(g *gocui.Gui, v *gocui.View) error {
+	return gui.enterCommitFile(-1)
+}
+
+func (gui *Gui) enterCommitFile(selectedLineIdx int) error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	commitFile := gui.getSelectedCommitFile(gui.g)
+	if commitFile == nil {
+		return gui.renderString(gui.g, "commitFiles", gui.Tr.SLocalize("NoCommiteFiles"))
+	}
+
+	enterTheFile := func(selectedLineIdx int) error {
+		if !gui.GitCommand.PatchManager.CommitSelected() {
+			if err := gui.startPatchManager(); err != nil {
+				return err
+			}
+		}
+
+		gui.changeMainViewsContext("patch-building")
+		if err := gui.switchFocus(gui.g, gui.getCommitFilesView(), gui.getMainView()); err != nil {
+			return err
+		}
+		return gui.refreshPatchBuildingPanel(selectedLineIdx)
+	}
+
+	if gui.GitCommand.PatchManager.CommitSelected() && gui.GitCommand.PatchManager.CommitSha != commitFile.Sha {
+		return gui.createConfirmationPanel(gui.g, gui.getCommitFilesView(), false, gui.Tr.SLocalize("DiscardPatch"), gui.Tr.SLocalize("DiscardPatchConfirm"), func(g *gocui.Gui, v *gocui.View) error {
+			gui.GitCommand.PatchManager.Reset()
+			return enterTheFile(selectedLineIdx)
+		}, nil)
+	}
+
+	return enterTheFile(selectedLineIdx)
+}
+
+func (gui *Gui) onCommitFilesPanelSearchSelect(selectedLine int) error {
+	gui.State.Panels.CommitFiles.SelectedLine = selectedLine
+	return gui.handleCommitFileSelect(gui.g, gui.getCommitFilesView())
+}

pkg/gui/commit_message_panel.go

@@ -0,0 +1,120 @@
+package gui
+
+import (
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+)
+
+// runSyncOrAsyncCommand takes the output of a command that may have returned
+// either no error, an error, or a subprocess to execute, and if a subprocess
+// needs to be set on the gui object, it does so, and then returns the error
+// the bool returned tells us whether the calling code should continue
+func (gui *Gui) runSyncOrAsyncCommand(sub *exec.Cmd, err error) (bool, error) {
+	if err != nil {
+		if err != gui.Errors.ErrSubProcess {
+			return false, gui.createErrorPanel(gui.g, err.Error())
+		}
+	}
+	if sub != nil {
+		gui.SubProcess = sub
+		return false, gui.Errors.ErrSubProcess
+	}
+	return true, nil
+}
+
+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"))
+	}
+	flags := ""
+	skipHookPrefix := gui.Config.GetUserConfig().GetString("git.skipHookPrefix")
+	if skipHookPrefix != "" && strings.HasPrefix(message, skipHookPrefix) {
+		flags = "--no-verify"
+	}
+	ok, err := gui.runSyncOrAsyncCommand(gui.GitCommand.Commit(message, flags))
+	if err != nil {
+		return err
+	}
+	if !ok {
+		return nil
+	}
+
+	v.Clear()
+	_ = v.SetCursor(0, 0)
+	_ = v.SetOrigin(0, 0)
+	_, _ = g.SetViewOnBottom("commitMessage")
+	_ = gui.switchFocus(g, v, gui.getFilesView())
+	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())
+}
+
+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) 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()
+	v.Subtitle = gui.getBufferLength(v)
+}
+
+// we've just copy+pasted the editor from gocui to here so that we can also re-
+// render the commit message length on each keypress
+func (gui *Gui) commitMessageEditor(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
+	case key == gocui.KeyCtrlU:
+		v.EditDeleteToStartOfLine()
+	case key == gocui.KeyCtrlA:
+		v.EditGotoToStartOfLine()
+	case key == gocui.KeyCtrlE:
+		v.EditGotoToEndOfLine()
+	default:
+		v.EditWrite(ch)
+	}
+
+	gui.RenderCommitLength()
+}

pkg/gui/commits_panel.go

@@ -0,0 +1,695 @@
+package gui
+
+import (
+	"strconv"
+
+	"github.com/go-errors/errors"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/gui/presentation"
+	"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 {
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	// this probably belongs in an 'onFocus' function than a 'commit selected' function
+	if err := gui.refreshSecondaryPatchPanel(); err != nil {
+		return err
+	}
+
+	if _, err := gui.g.SetCurrentView(v.Name()); err != nil {
+		return err
+	}
+
+	state := gui.State.Panels.Commits
+	if state.SelectedLine > 20 && state.LimitCommits {
+		state.LimitCommits = false
+		go func() {
+			if err := gui.refreshCommitsWithLimit(); err != nil {
+				_ = gui.createErrorPanel(gui.g, err.Error())
+			}
+		}()
+	}
+
+	gui.getMainView().Title = "Patch"
+	gui.getSecondaryView().Title = "Custom Patch"
+	gui.handleEscapeLineByLinePanel()
+
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.newStringTask("main", gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Commits.SelectedLine, len(gui.State.Commits), v); err != nil {
+		return err
+	}
+
+	// if specific diff mode is on, don't show diff
+	if gui.State.Panels.Commits.SpecificDiffMode {
+		return nil
+	}
+
+	cmd := gui.OSCommand.ExecutableFromString(
+		gui.GitCommand.ShowCmdStr(commit.Sha),
+	)
+	if err := gui.newPtyTask("main", cmd); err != nil {
+		gui.Log.Error(err)
+	}
+
+	return nil
+}
+
+func (gui *Gui) refreshCommits(g *gocui.Gui) error {
+	g.Update(func(*gocui.Gui) error {
+		// I think this is here for the sake of some kind of rebasing thing
+		gui.refreshStatus(g)
+
+		if err := gui.refreshCommitsWithLimit(); err != nil {
+			return err
+		}
+
+		// doing this async because it shouldn't hold anything up
+		go func() {
+			if err := gui.refreshReflogCommits(); err != nil {
+				_ = gui.createErrorPanel(gui.g, err.Error())
+			}
+		}()
+
+		if g.CurrentView() == gui.getCommitFilesView() || (g.CurrentView() == gui.getMainView() || gui.State.MainContext == "patch-building") {
+			return gui.refreshCommitFilesView()
+		}
+		return nil
+	})
+	return nil
+}
+
+func (gui *Gui) refreshCommitsWithLimit() error {
+	builder, err := commands.NewCommitListBuilder(gui.Log, gui.GitCommand, gui.OSCommand, gui.Tr, gui.State.CherryPickedCommits, gui.State.DiffEntries)
+	if err != nil {
+		return err
+	}
+
+	commits, err := builder.GetCommits(gui.State.Panels.Commits.LimitCommits)
+	if err != nil {
+		return err
+	}
+	gui.State.Commits = commits
+
+	if gui.getCommitsView().Context == "branch-commits" {
+		if err := gui.renderBranchCommitsWithSelection(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// specific functions
+
+func (gui *Gui) handleResetToCommit(g *gocui.Gui, commitView *gocui.View) error {
+	return gui.createConfirmationPanel(g, commitView, true, 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, "mixed"); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshCommits(g); err != nil {
+			panic(err)
+		}
+		if err := gui.refreshFiles(); 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 len(gui.State.Commits) <= 1 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("YouNoCommitsToSquash"))
+	}
+
+	applied, err := gui.handleMidRebaseCommand("squash")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("Squash"), gui.Tr.SLocalize("SureSquashThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("SquashingStatus"), func() error {
+			err := gui.GitCommand.InteractiveRebase(gui.State.Commits, gui.State.Panels.Commits.SelectedLine, "squash")
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+	return nil
+}
+
+// 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"))
+	}
+
+	applied, err := gui.handleMidRebaseCommand("fixup")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("Fixup"), gui.Tr.SLocalize("SureFixupThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("FixingStatus"), func() error {
+			err := gui.GitCommand.InteractiveRebase(gui.State.Commits, gui.State.Panels.Commits.SelectedLine, "fixup")
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+	return nil
+}
+
+func (gui *Gui) handleRenameCommit(g *gocui.Gui, v *gocui.View) error {
+	applied, err := gui.handleMidRebaseCommand("reword")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	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 {
+	applied, err := gui.handleMidRebaseCommand("reword")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	subProcess, err := gui.GitCommand.RewordCommit(gui.State.Commits, gui.State.Panels.Commits.SelectedLine)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	if subProcess != nil {
+		gui.SubProcess = subProcess
+		return gui.Errors.ErrSubProcess
+	}
+
+	return nil
+}
+
+// handleMidRebaseCommand sees if the selected commit is in fact a rebasing
+// commit meaning you are trying to edit the todo file rather than actually
+// begin a rebase. It then updates the todo file with that action
+func (gui *Gui) handleMidRebaseCommand(action string) (bool, error) {
+	selectedCommit := gui.State.Commits[gui.State.Panels.Commits.SelectedLine]
+	if selectedCommit.Status != "rebasing" {
+		return false, nil
+	}
+
+	// for now we do not support setting 'reword' because it requires an editor
+	// and that means we either unconditionally wait around for the subprocess to ask for
+	// our input or we set a lazygit client as the EDITOR env variable and have it
+	// request us to edit the commit message when prompted.
+	if action == "reword" {
+		return true, gui.createErrorPanel(gui.g, gui.Tr.SLocalize("rewordNotSupported"))
+	}
+
+	if err := gui.GitCommand.EditRebaseTodo(gui.State.Panels.Commits.SelectedLine, action); err != nil {
+		return false, gui.createErrorPanel(gui.g, err.Error())
+	}
+	return true, gui.refreshCommits(gui.g)
+}
+
+// handleMoveTodoDown like handleMidRebaseCommand but for moving an item up in the todo list
+func (gui *Gui) handleMoveTodoDown(index int) (bool, error) {
+	selectedCommit := gui.State.Commits[index]
+	if selectedCommit.Status != "rebasing" {
+		return false, nil
+	}
+	if gui.State.Commits[index+1].Status != "rebasing" {
+		return true, nil
+	}
+	if err := gui.GitCommand.MoveTodoDown(index); err != nil {
+		return true, gui.createErrorPanel(gui.g, err.Error())
+	}
+	return true, gui.refreshCommits(gui.g)
+}
+
+func (gui *Gui) handleCommitDelete(g *gocui.Gui, v *gocui.View) error {
+	applied, err := gui.handleMidRebaseCommand("drop")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	return gui.createConfirmationPanel(gui.g, v, true, gui.Tr.SLocalize("DeleteCommitTitle"), gui.Tr.SLocalize("DeleteCommitPrompt"), func(*gocui.Gui, *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("DeletingStatus"), func() error {
+			err := gui.GitCommand.InteractiveRebase(gui.State.Commits, gui.State.Panels.Commits.SelectedLine, "drop")
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+}
+
+func (gui *Gui) handleCommitMoveDown(g *gocui.Gui, v *gocui.View) error {
+	index := gui.State.Panels.Commits.SelectedLine
+	selectedCommit := gui.State.Commits[index]
+	if selectedCommit.Status == "rebasing" {
+		if gui.State.Commits[index+1].Status != "rebasing" {
+			return nil
+		}
+		if err := gui.GitCommand.MoveTodoDown(index); err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		gui.State.Panels.Commits.SelectedLine++
+		return gui.refreshCommits(gui.g)
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("MovingStatus"), func() error {
+		err := gui.GitCommand.MoveCommitDown(gui.State.Commits, index)
+		if err == nil {
+			gui.State.Panels.Commits.SelectedLine++
+		}
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handleCommitMoveUp(g *gocui.Gui, v *gocui.View) error {
+	index := gui.State.Panels.Commits.SelectedLine
+	if index == 0 {
+		return nil
+	}
+	selectedCommit := gui.State.Commits[index]
+	if selectedCommit.Status == "rebasing" {
+		if err := gui.GitCommand.MoveTodoDown(index - 1); err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		gui.State.Panels.Commits.SelectedLine--
+		return gui.refreshCommits(gui.g)
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("MovingStatus"), func() error {
+		err := gui.GitCommand.MoveCommitDown(gui.State.Commits, index-1)
+		if err == nil {
+			gui.State.Panels.Commits.SelectedLine--
+		}
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handleCommitEdit(g *gocui.Gui, v *gocui.View) error {
+	applied, err := gui.handleMidRebaseCommand("edit")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("RebasingStatus"), func() error {
+		err = gui.GitCommand.InteractiveRebase(gui.State.Commits, gui.State.Panels.Commits.SelectedLine, "edit")
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handleCommitAmendTo(g *gocui.Gui, v *gocui.View) error {
+	return gui.createConfirmationPanel(gui.g, v, true, gui.Tr.SLocalize("AmendCommitTitle"), gui.Tr.SLocalize("AmendCommitPrompt"), func(*gocui.Gui, *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("AmendingStatus"), func() error {
+			err := gui.GitCommand.AmendTo(gui.State.Commits[gui.State.Panels.Commits.SelectedLine].Sha)
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+}
+
+func (gui *Gui) handleCommitPick(g *gocui.Gui, v *gocui.View) error {
+	applied, err := gui.handleMidRebaseCommand("pick")
+	if err != nil {
+		return err
+	}
+	if applied {
+		return nil
+	}
+
+	// at this point we aren't actually rebasing so we will interpret this as an
+	// attempt to pull. We might revoke this later after enabling configurable keybindings
+	return gui.handlePullFiles(g, v)
+}
+
+func (gui *Gui) handleCommitRevert(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.GitCommand.Revert(gui.State.Commits[gui.State.Panels.Commits.SelectedLine].Sha); err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	gui.State.Panels.Commits.SelectedLine++
+	return gui.refreshCommits(gui.g)
+}
+
+func (gui *Gui) handleCopyCommit(g *gocui.Gui, v *gocui.View) error {
+	// get currently selected commit, add the sha to state.
+	commit := gui.State.Commits[gui.State.Panels.Commits.SelectedLine]
+
+	// we will un-copy it if it's already copied
+	for index, cherryPickedCommit := range gui.State.CherryPickedCommits {
+		if commit.Sha == cherryPickedCommit.Sha {
+			gui.State.CherryPickedCommits = append(gui.State.CherryPickedCommits[0:index], gui.State.CherryPickedCommits[index+1:]...)
+			return gui.refreshCommits(gui.g)
+		}
+	}
+
+	gui.addCommitToCherryPickedCommits(gui.State.Panels.Commits.SelectedLine)
+	return gui.refreshCommits(gui.g)
+}
+
+func (gui *Gui) addCommitToCherryPickedCommits(index int) {
+	// not super happy with modifying the state of the Commits array here
+	// but the alternative would be very tricky
+	gui.State.Commits[index].Copied = true
+
+	newCommits := []*commands.Commit{}
+	for _, commit := range gui.State.Commits {
+		if commit.Copied {
+			// duplicating just the things we need to put in the rebase TODO list
+			newCommits = append(newCommits, &commands.Commit{Name: commit.Name, Sha: commit.Sha})
+		}
+	}
+
+	gui.State.CherryPickedCommits = newCommits
+}
+
+func (gui *Gui) handleCopyCommitRange(g *gocui.Gui, v *gocui.View) error {
+	// whenever I add a commit, I need to make sure I retain its order
+
+	// find the last commit that is copied that's above our position
+	// if there are none, startIndex = 0
+	startIndex := 0
+	for index, commit := range gui.State.Commits[0:gui.State.Panels.Commits.SelectedLine] {
+		if commit.Copied {
+			startIndex = index
+		}
+	}
+
+	gui.Log.Info("commit copy start index: " + strconv.Itoa(startIndex))
+
+	for index := startIndex; index <= gui.State.Panels.Commits.SelectedLine; index++ {
+		gui.addCommitToCherryPickedCommits(index)
+	}
+
+	return gui.refreshCommits(gui.g)
+}
+
+// HandlePasteCommits begins a cherry-pick rebase with the commits the user has copied
+func (gui *Gui) HandlePasteCommits(g *gocui.Gui, v *gocui.View) error {
+	return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("CherryPick"), gui.Tr.SLocalize("SureCherryPick"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("CherryPickingStatus"), func() error {
+			err := gui.GitCommand.CherryPickCommits(gui.State.CherryPickedCommits)
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+}
+
+func (gui *Gui) handleSwitchToCommitFilesPanel(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.refreshCommitFilesView(); err != nil {
+		return err
+	}
+
+	return gui.switchFocus(g, gui.getCommitsView(), gui.getCommitFilesView())
+}
+
+func (gui *Gui) handleToggleDiffCommit(g *gocui.Gui, v *gocui.View) error {
+	selectLimit := 2
+
+	// get selected commit
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.newStringTask("main", gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+
+	// if already selected commit delete
+	if idx, has := gui.hasCommit(gui.State.DiffEntries, commit.Sha); has {
+		gui.State.DiffEntries = gui.unchooseCommit(gui.State.DiffEntries, idx)
+	} else {
+		if len(gui.State.DiffEntries) == selectLimit {
+			gui.State.DiffEntries = gui.unchooseCommit(gui.State.DiffEntries, 0)
+		}
+		gui.State.DiffEntries = append(gui.State.DiffEntries, commit)
+	}
+
+	gui.setDiffMode()
+
+	// if selected two commits, display diff between
+	if len(gui.State.DiffEntries) == selectLimit {
+		commitText, err := gui.GitCommand.DiffCommits(gui.State.DiffEntries[0].Sha, gui.State.DiffEntries[1].Sha)
+
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+
+		return gui.newStringTask("main", commitText)
+	}
+
+	return nil
+}
+
+func (gui *Gui) setDiffMode() {
+	v := gui.getCommitsView()
+	if len(gui.State.DiffEntries) != 0 {
+		gui.State.Panels.Commits.SpecificDiffMode = true
+		v.Title = gui.Tr.SLocalize("CommitsDiffTitle")
+	} else {
+		gui.State.Panels.Commits.SpecificDiffMode = false
+		v.Title = gui.Tr.SLocalize("CommitsTitle")
+	}
+
+	gui.refreshCommits(gui.g)
+}
+
+func (gui *Gui) hasCommit(commits []*commands.Commit, target string) (int, bool) {
+	for idx, commit := range commits {
+		if commit.Sha == target {
+			return idx, true
+		}
+	}
+	return -1, false
+}
+
+func (gui *Gui) unchooseCommit(commits []*commands.Commit, i int) []*commands.Commit {
+	return append(commits[:i], commits[i+1:]...)
+}
+
+func (gui *Gui) handleCreateFixupCommit(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return nil
+	}
+
+	return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("CreateFixupCommit"), gui.Tr.TemplateLocalize(
+		"SureCreateFixupCommit",
+		Teml{
+			"commit": commit.Sha,
+		},
+	), func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.CreateFixupCommit(commit.Sha); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+
+		return gui.refreshSidePanels(gui.g)
+	}, nil)
+}
+
+func (gui *Gui) handleSquashAllAboveFixupCommits(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return nil
+	}
+
+	return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("SquashAboveCommits"), gui.Tr.TemplateLocalize(
+		"SureSquashAboveCommits",
+		Teml{
+			"commit": commit.Sha,
+		},
+	), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.WithWaitingStatus(gui.Tr.SLocalize("SquashingStatus"), func() error {
+			err := gui.GitCommand.SquashAllAboveFixupCommits(commit.Sha)
+			return gui.handleGenericMergeCommandResult(err)
+		})
+	}, nil)
+}
+
+func (gui *Gui) handleTagCommit(g *gocui.Gui, v *gocui.View) error {
+	// TODO: bring up menu asking if you want to make a lightweight or annotated tag
+	// if annotated, switch to a subprocess to create the message
+
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return nil
+	}
+
+	return gui.handleCreateLightweightTag(commit.Sha)
+}
+
+func (gui *Gui) handleCreateLightweightTag(commitSha string) error {
+	return gui.createPromptPanel(gui.g, gui.getCommitsView(), gui.Tr.SLocalize("TagNameTitle"), "", func(g *gocui.Gui, v *gocui.View) error {
+		if err := gui.GitCommand.CreateLightweightTag(v.Buffer(), commitSha); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshCommits(g); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		if err := gui.refreshTags(); err != nil {
+			return gui.createErrorPanel(g, err.Error())
+		}
+		return gui.handleCommitSelect(g, v)
+	})
+}
+
+func (gui *Gui) handleCheckoutCommit(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return nil
+	}
+
+	return gui.createConfirmationPanel(g, gui.getCommitsView(), true, gui.Tr.SLocalize("checkoutCommit"), gui.Tr.SLocalize("SureCheckoutThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.handleCheckoutRef(commit.Sha)
+	}, nil)
+}
+
+func (gui *Gui) renderBranchCommitsWithSelection() error {
+	commitsView := gui.getCommitsView()
+
+	gui.refreshSelectedLine(&gui.State.Panels.Commits.SelectedLine, len(gui.State.Commits))
+	displayStrings := presentation.GetCommitListDisplayStrings(gui.State.Commits, gui.State.ScreenMode != SCREEN_NORMAL)
+	gui.renderDisplayStrings(commitsView, displayStrings)
+	if gui.g.CurrentView() == commitsView && commitsView.Context == "branch-commits" {
+		if err := gui.handleCommitSelect(gui.g, commitsView); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (gui *Gui) onCommitsTabClick(tabIndex int) error {
+	contexts := []string{"branch-commits", "reflog-commits"}
+	commitsView := gui.getCommitsView()
+	commitsView.TabIndex = tabIndex
+
+	return gui.switchCommitsPanelContext(contexts[tabIndex])
+}
+
+func (gui *Gui) switchCommitsPanelContext(context string) error {
+	commitsView := gui.getCommitsView()
+	commitsView.Context = context
+	gui.onSearchEscape()
+
+	contextTabIndexMap := map[string]int{
+		"branch-commits": 0,
+		"reflog-commits": 1,
+	}
+
+	commitsView.TabIndex = contextTabIndexMap[context]
+
+	return gui.refreshCommitsViewWithSelection()
+}
+
+func (gui *Gui) refreshCommitsViewWithSelection() error {
+	commitsView := gui.getCommitsView()
+
+	switch commitsView.Context {
+	case "branch-commits":
+		return gui.renderBranchCommitsWithSelection()
+	case "reflog-commits":
+		return gui.renderReflogCommitsWithSelection()
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleNextCommitsTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onCommitsTabClick(
+		utils.ModuloWithWrap(v.TabIndex+1, len(v.Tabs)),
+	)
+}
+
+func (gui *Gui) handlePrevCommitsTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onCommitsTabClick(
+		utils.ModuloWithWrap(v.TabIndex-1, len(v.Tabs)),
+	)
+}
+
+func (gui *Gui) handleCreateCommitResetMenu(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+
+	return gui.createResetMenu(commit.Sha)
+}
+
+func (gui *Gui) onCommitsPanelSearchSelect(selectedLine int) error {
+	commitsView := gui.getCommitsView()
+	switch commitsView.Context {
+	case "branch-commits":
+		gui.State.Panels.Commits.SelectedLine = selectedLine
+		return gui.handleCommitSelect(gui.g, commitsView)
+	case "reflog-commits":
+		gui.State.Panels.ReflogCommits.SelectedLine = selectedLine
+		return gui.handleReflogCommitSelect(gui.g, commitsView)
+	}
+	return nil
+}
+
+func (gui *Gui) handleOpenSearchForCommitsPanel(g *gocui.Gui, v *gocui.View) error {
+	// we usually lazyload these commits but now that we're searching we need to load them now
+	if gui.State.Panels.Commits.LimitCommits {
+		gui.State.Panels.Commits.LimitCommits = false
+		if err := gui.refreshCommits(gui.g); err != nil {
+			return err
+		}
+	}
+
+	return gui.handleOpenSearch(gui.g, v)
+}

pkg/gui/confirmation_panel.go

@@ -0,0 +1,190 @@
+// 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"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+)
+
+func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error, returnFocusOnClose bool) 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, returnFocusOnClose)
+	}
+}
+
+func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui, returnFocusOnClose bool) error {
+	view, err := g.View("confirmation")
+	if err != nil {
+		return nil // if it's already been closed we can just return
+	}
+	view.Editable = false
+	if returnFocusOnClose {
+		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 := 4 * width / 7
+	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) prepareConfirmationPanel(currentView *gocui.View, title, prompt string, hasLoader bool) (*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.Error() != "unknown view" {
+			return nil, err
+		}
+		confirmationView.HasLoader = hasLoader
+		if hasLoader {
+			gui.g.StartTicking()
+		}
+		confirmationView.Title = title
+		confirmationView.Wrap = true
+		confirmationView.FgColor = theme.GocuiDefaultTextColor
+	}
+	gui.g.Update(func(g *gocui.Gui) error {
+		return gui.switchFocus(gui.g, currentView, confirmationView)
+	})
+	return confirmationView, nil
+}
+
+func (gui *Gui) onNewPopupPanel() {
+	viewNames := []string{"commitMessage",
+		"credentials",
+		"menu"}
+	for _, viewName := range viewNames {
+		_, _ = gui.g.SetViewOnBottom(viewName)
+	}
+}
+
+func (gui *Gui) createPopupPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, hasLoader bool, returnFocusOnClose bool, editable bool, 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, true); err != nil {
+				gui.Log.Error(err)
+			}
+		}
+		confirmationView, err := gui.prepareConfirmationPanel(currentView, title, prompt, hasLoader)
+		if err != nil {
+			return err
+		}
+		confirmationView.Editable = editable
+		if editable {
+			go func() {
+				// TODO: remove this wait (right now if you remove it the EditGotoToEndOfLine method doesn't seem to work)
+				time.Sleep(time.Millisecond)
+				gui.g.Update(func(g *gocui.Gui) error {
+					confirmationView.EditGotoToEndOfLine()
+					return nil
+				})
+			}()
+		}
+
+		if err := gui.renderString(g, "confirmation", prompt); err != nil {
+			return err
+		}
+		return gui.setKeyBindings(g, handleConfirm, handleClose, returnFocusOnClose)
+	})
+	return nil
+}
+
+func (gui *Gui) createLoaderPanel(g *gocui.Gui, currentView *gocui.View, prompt string) error {
+	return gui.createPopupPanel(g, currentView, "", prompt, true, true, false, nil, nil)
+}
+
+// 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, returnFocusOnClose bool, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
+	return gui.createPopupPanel(g, currentView, title, prompt, false, returnFocusOnClose, false, handleConfirm, handleClose)
+}
+
+func (gui *Gui) createPromptPanel(g *gocui.Gui, currentView *gocui.View, title string, initialContent string, handleConfirm func(*gocui.Gui, *gocui.View) error) error {
+	return gui.createPopupPanel(gui.g, currentView, title, initialContent, false, true, true, handleConfirm, nil)
+}
+
+func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error, returnFocusOnClose bool) 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", nil, gocui.KeyEnter, gocui.ModNone, gui.wrappedConfirmationFunction(handleConfirm, returnFocusOnClose)); err != nil {
+		return err
+	}
+	return g.SetKeybinding("confirmation", nil, gocui.KeyEsc, gocui.ModNone, gui.wrappedConfirmationFunction(handleClose, returnFocusOnClose))
+}
+
+func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
+	return gui.createPopupPanel(g, currentView, title, prompt, false, true, false, 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, true, 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/context.go

@@ -0,0 +1,20 @@
+package gui
+
+// changeContext is a helper function for when we want to change a 'main' context
+// which currently just means a context that affects both the main and secondary views
+// other views can have their context changed directly but this function helps
+// keep the main and secondary views in sync
+func (gui *Gui) changeMainViewsContext(context string) {
+	if gui.State.MainContext == context {
+		return
+	}
+
+	switch context {
+	case "normal", "patch-building", "staging", "merging":
+		gui.getMainView().Context = context
+		gui.getSecondaryView().Context = context
+	}
+
+	gui.State.MainContext = context
+	return
+}

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()
+	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()
+	}
+	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())
+}
+
+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(), false)
+	} else {
+		_ = gui.closeConfirmationPrompt(g, true)
+		_ = gui.refreshSidePanels(g)
+	}
+}

pkg/gui/discard_changes_menu_panel.go

@@ -0,0 +1,42 @@
+package gui
+
+import (
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) handleCreateDiscardMenu(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return nil
+	}
+
+	menuItems := []*menuItem{
+		{
+			displayString: gui.Tr.SLocalize("discardAllChanges"),
+			onPress: func() error {
+				if err := gui.GitCommand.DiscardAllFileChanges(file); err != nil {
+					return err
+				}
+				return gui.refreshFiles()
+			},
+		},
+	}
+
+	if file.HasStagedChanges && file.HasUnstagedChanges {
+		menuItems = append(menuItems, &menuItem{
+			displayString: gui.Tr.SLocalize("discardUnstagedChanges"),
+			onPress: func() error {
+				if err := gui.GitCommand.DiscardUnstagedFileChanges(file); err != nil {
+					return err
+				}
+
+				return gui.refreshFiles()
+			},
+		})
+	}
+
+	return gui.createMenu(file.Name, menuItems, createMenuOptions{showCancel: true})
+}

pkg/gui/file_watching.go

@@ -0,0 +1,149 @@
+package gui
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/fsnotify/fsnotify"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/sirupsen/logrus"
+)
+
+// macs for some bizarre reason cap the number of watchable files to 256.
+// there's no obvious platform agonstic way to check the situation of the user's
+// computer so we're just arbitrarily capping at 200. This isn't so bad because
+// file watching is only really an added bonus for faster refreshing.
+const MAX_WATCHED_FILES = 50
+
+type fileWatcher struct {
+	Watcher          *fsnotify.Watcher
+	WatchedFilenames []string
+	Log              *logrus.Entry
+	Disabled         bool
+}
+
+func NewFileWatcher(log *logrus.Entry) *fileWatcher {
+	watcher, err := fsnotify.NewWatcher()
+	log.Error(err)
+	return &fileWatcher{
+		Disabled: true,
+	}
+	if err != nil {
+		log.Error(err)
+		return &fileWatcher{
+			Disabled: true,
+		}
+	}
+
+	return &fileWatcher{
+		Watcher:          watcher,
+		Log:              log,
+		WatchedFilenames: make([]string, 0, MAX_WATCHED_FILES),
+	}
+}
+
+func (w *fileWatcher) watchingFilename(filename string) bool {
+	for _, watchedFilename := range w.WatchedFilenames {
+		if watchedFilename == filename {
+			return true
+		}
+	}
+	return false
+}
+
+func (w *fileWatcher) popOldestFilename() {
+	// shift the last off the array to make way for this one
+	oldestFilename := w.WatchedFilenames[0]
+	w.WatchedFilenames = w.WatchedFilenames[1:]
+	if err := w.Watcher.Remove(oldestFilename); err != nil {
+		// swallowing errors here because it doesn't really matter if we can't unwatch a file
+		w.Log.Warn(err)
+	}
+}
+
+func (w *fileWatcher) watchFilename(filename string) {
+	w.Log.Warn(filename)
+	if err := w.Watcher.Add(filename); err != nil {
+		// swallowing errors here because it doesn't really matter if we can't watch a file
+		w.Log.Warn(err)
+	}
+
+	// assume we're watching it now to be safe
+	w.WatchedFilenames = append(w.WatchedFilenames, filename)
+}
+
+func (w *fileWatcher) addFilesToFileWatcher(files []*commands.File) error {
+	if w.Disabled {
+		return nil
+	}
+
+	if len(files) == 0 {
+		return nil
+	}
+
+	// watch the files for changes
+	dirName, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files[0:min(MAX_WATCHED_FILES, len(files))] {
+		if file.Deleted {
+			continue
+		}
+		filename := filepath.Join(dirName, file.Name)
+		if w.watchingFilename(filename) {
+			continue
+		}
+		if len(w.WatchedFilenames) > MAX_WATCHED_FILES {
+			w.popOldestFilename()
+		}
+
+		w.watchFilename(filename)
+	}
+
+	return nil
+}
+
+func min(a int, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+// NOTE: given that we often edit files ourselves, this may make us end up refreshing files too often
+// TODO: consider watching the whole directory recursively (could be more expensive)
+func (gui *Gui) watchFilesForChanges() {
+	gui.fileWatcher = NewFileWatcher(gui.Log)
+	if gui.fileWatcher.Disabled {
+		return
+	}
+	go func() {
+		for {
+			select {
+			// watch for events
+			case event := <-gui.fileWatcher.Watcher.Events:
+				if event.Op == fsnotify.Chmod {
+					// for some reason we pick up chmod events when they don't actually happen
+					continue
+				}
+				// only refresh if we're not already
+				if !gui.State.IsRefreshingFiles {
+					if err := gui.refreshFiles(); err != nil {
+						err = gui.createErrorPanel(gui.g, err.Error())
+						if err != nil {
+							gui.Log.Error(err)
+						}
+					}
+				}
+
+			// watch for errors
+			case err := <-gui.fileWatcher.Watcher.Errors:
+				if err != nil {
+					gui.Log.Warn(err)
+				}
+			}
+		}
+	}()
+}

pkg/gui/files_panel.go

@@ -0,0 +1,575 @@
+package gui
+
+import (
+
+	// "io"
+	// "io/ioutil"
+
+	// "strings"
+
+	"fmt"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/gui/presentation"
+)
+
+// 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) selectFile(alreadySelected bool) error {
+	file, err := gui.getSelectedFile(gui.g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		gui.State.SplitMainPanel = false
+		gui.getMainView().Title = ""
+		return gui.newStringTask("main", gui.Tr.SLocalize("NoChangedFiles"))
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Files.SelectedLine, len(gui.State.Files), gui.getFilesView()); err != nil {
+		return err
+	}
+
+	if file.HasInlineMergeConflicts {
+		gui.getMainView().Title = gui.Tr.SLocalize("MergeConflictsTitle")
+		gui.State.SplitMainPanel = false
+		return gui.refreshMergePanel()
+	}
+
+	if !alreadySelected {
+		if err := gui.resetOrigin(gui.getMainView()); err != nil {
+			return err
+		}
+		if err := gui.resetOrigin(gui.getSecondaryView()); err != nil {
+			return err
+		}
+	}
+
+	if file.HasStagedChanges && file.HasUnstagedChanges {
+		gui.State.SplitMainPanel = true
+		gui.getMainView().Title = gui.Tr.SLocalize("UnstagedChanges")
+		gui.getSecondaryView().Title = gui.Tr.SLocalize("StagedChanges")
+		cmdStr := gui.GitCommand.DiffCmdStr(file, false, true)
+		cmd := gui.OSCommand.ExecutableFromString(cmdStr)
+		if err := gui.newPtyTask("secondary", cmd); err != nil {
+			return err
+		}
+	} else {
+		gui.State.SplitMainPanel = false
+		if file.HasUnstagedChanges {
+			gui.getMainView().Title = gui.Tr.SLocalize("UnstagedChanges")
+		} else {
+			gui.getMainView().Title = gui.Tr.SLocalize("StagedChanges")
+		}
+	}
+
+	cmdStr := gui.GitCommand.DiffCmdStr(file, false, !file.HasUnstagedChanges && file.HasStagedChanges)
+	cmd := gui.OSCommand.ExecutableFromString(cmdStr)
+	if err := gui.newPtyTask("main", cmd); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (gui *Gui) refreshFiles() error {
+	gui.State.RefreshingFilesMutex.Lock()
+	gui.State.IsRefreshingFiles = true
+	defer func() {
+		gui.State.IsRefreshingFiles = false
+		gui.State.RefreshingFilesMutex.Unlock()
+	}()
+
+	selectedFile, _ := gui.getSelectedFile(gui.g)
+
+	filesView := gui.getFilesView()
+	if filesView == nil {
+		// if the filesView hasn't been instantiated yet we just return
+		return nil
+	}
+	if err := gui.refreshStateFiles(); err != nil {
+		return err
+	}
+
+	gui.g.Update(func(g *gocui.Gui) error {
+		displayStrings := presentation.GetFileListDisplayStrings(gui.State.Files)
+		gui.renderDisplayStrings(filesView, displayStrings)
+
+		if g.CurrentView() == filesView || (g.CurrentView() == gui.getMainView() && g.CurrentView().Context == "merging") {
+			newSelectedFile, _ := gui.getSelectedFile(gui.g)
+			alreadySelected := newSelectedFile.Name == selectedFile.Name
+			return gui.selectFile(alreadySelected)
+		}
+		return nil
+	})
+
+	return nil
+}
+
+// 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) handleEnterFile(g *gocui.Gui, v *gocui.View) error {
+	return gui.enterFile(false, -1)
+}
+
+func (gui *Gui) enterFile(forceSecondaryFocused bool, selectedLineIdx int) error {
+	file, err := gui.getSelectedFile(gui.g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return nil
+	}
+	if file.HasInlineMergeConflicts {
+		return gui.handleSwitchToMerge(gui.g, gui.getFilesView())
+	}
+	if file.HasMergeConflicts {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("FileStagingRequirements"))
+	}
+	gui.changeMainViewsContext("staging")
+	if err := gui.switchFocus(gui.g, gui.getFilesView(), gui.getMainView()); err != nil {
+		return err
+	}
+	return gui.refreshStagingPanel(forceSecondaryFocused, selectedLineIdx)
+}
+
+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.HasInlineMergeConflicts {
+		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(); err != nil {
+		return err
+	}
+
+	return gui.selectFile(true)
+}
+
+func (gui *Gui) allFilesStaged() bool {
+	for _, file := range gui.State.Files {
+		if file.HasUnstagedChanges {
+			return false
+		}
+	}
+	return true
+}
+
+func (gui *Gui) focusAndSelectFile(g *gocui.Gui, v *gocui.View) error {
+	if _, err := gui.g.SetCurrentView("files"); err != nil {
+		return err
+	}
+
+	return gui.selectFile(false)
+}
+
+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())
+	}
+
+	if err := gui.refreshFiles(); err != nil {
+		return err
+	}
+
+	return gui.selectFile(false)
+}
+
+func (gui *Gui) handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(gui.g)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+
+	if file.Tracked {
+		return gui.createConfirmationPanel(gui.g, gui.g.CurrentView(), true, gui.Tr.SLocalize("IgnoreTracked"), gui.Tr.SLocalize("IgnoreTrackedPrompt"),
+			// On confirmation
+			func(_ *gocui.Gui, _ *gocui.View) error {
+				if err := gui.GitCommand.Ignore(file.Name); err != nil {
+					return err
+				}
+				if err := gui.GitCommand.RemoveTrackedFiles(file.Name); err != nil {
+					return err
+				}
+				return gui.refreshFiles()
+			}, nil)
+	}
+
+	if err := gui.GitCommand.Ignore(file.Name); err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+
+	return gui.refreshFiles()
+}
+
+func (gui *Gui) handleWIPCommitPress(g *gocui.Gui, filesView *gocui.View) error {
+	skipHookPreifx := gui.Config.GetUserConfig().GetString("git.skipHookPrefix")
+	if skipHookPreifx == "" {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("SkipHookPrefixNotConfigured"))
+	}
+
+	if err := gui.renderString(g, "commitMessage", skipHookPreifx); err != nil {
+		return err
+	}
+	if err := gui.getCommitMessageView().SetCursor(len(skipHookPreifx), 0); err != nil {
+		return err
+	}
+
+	return gui.handleCommitPress(g, filesView)
+}
+
+func (gui *Gui) handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
+	if len(gui.stagedFiles()) == 0 && gui.State.WorkingTreeState == "normal" {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
+	}
+	commitMessageView := gui.getCommitMessageView()
+	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.WorkingTreeState == "normal" {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
+	}
+	if len(gui.State.Commits) == 0 {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoCommitToAmend"))
+	}
+
+	title := strings.Title(gui.Tr.SLocalize("AmendLastCommit"))
+	question := gui.Tr.SLocalize("SureToAmend")
+
+	return gui.createConfirmationPanel(g, filesView, true, title, question, func(g *gocui.Gui, v *gocui.View) error {
+		ok, err := gui.runSyncOrAsyncCommand(gui.GitCommand.AmendHead())
+		if err != nil {
+			return err
+		}
+		if !ok {
+			return nil
+		}
+
+		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.WorkingTreeState == "normal" {
+		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 {
+	_, err := gui.runSyncOrAsyncCommand(gui.OSCommand.EditFile(filename))
+	return err
+}
+
+func (gui *Gui) handleFileEdit(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+
+	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 gui.createErrorPanel(gui.g, err.Error())
+	}
+	return gui.openFile(file.Name)
+}
+
+func (gui *Gui) handleRefreshFiles(g *gocui.Gui, v *gocui.View) error {
+	return gui.refreshFiles()
+}
+
+func (gui *Gui) refreshStateFiles() error {
+	// get files to stage
+	files := gui.GitCommand.GetStatusFiles()
+	gui.State.Files = gui.GitCommand.MergeStatusFiles(gui.State.Files, files)
+
+	if err := gui.fileWatcher.addFilesToFileWatcher(files); err != nil {
+		return err
+	}
+
+	gui.refreshSelectedLine(&gui.State.Panels.Files.SelectedLine, len(gui.State.Files))
+	return gui.updateWorkTreeState()
+}
+
+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.newStringTask("main", gui.Tr.SLocalize("NoFilesDisplay"))
+	}
+	if item.Type != "file" {
+		return "", gui.newStringTask("main", gui.Tr.SLocalize("NotAFile"))
+	}
+	cat, err := gui.GitCommand.CatFile(item.Name)
+	if err != nil {
+		gui.Log.Error(err)
+		return "", gui.newStringTask("main", err.Error())
+	}
+	return cat, nil
+}
+
+func (gui *Gui) handlePullFiles(g *gocui.Gui, v *gocui.View) error {
+	// if we have no upstream branch we need to set that first
+	_, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
+	currentBranchName, err := gui.GitCommand.CurrentBranchName()
+	if err != nil {
+		return err
+	}
+	if pullables == "?" {
+		// see if we have this branch in our config with an upstream
+		conf, err := gui.GitCommand.Repo.Config()
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		for branchName, branch := range conf.Branches {
+			if branchName == currentBranchName {
+				return gui.pullFiles(v, fmt.Sprintf("%s %s", branch.Remote, branchName))
+			}
+		}
+
+		return gui.createPromptPanel(g, v, gui.Tr.SLocalize("EnterUpstream"), "origin/"+currentBranchName, func(g *gocui.Gui, v *gocui.View) error {
+			upstream := gui.trimmedContent(v)
+			if err := gui.GitCommand.SetUpstreamBranch(upstream); err != nil {
+				errorMessage := err.Error()
+				if strings.Contains(errorMessage, "does not exist") {
+					errorMessage = fmt.Sprintf("upstream branch %s not found.\nIf you expect it to exist, you should fetch (with 'f').\nOtherwise, you should push (with 'shift+P')", upstream)
+				}
+				return gui.createErrorPanel(gui.g, errorMessage)
+			}
+			return gui.pullFiles(v, "")
+		})
+	}
+
+	return gui.pullFiles(v, "")
+}
+
+func (gui *Gui) pullFiles(v *gocui.View, args string) error {
+	if err := gui.createLoaderPanel(gui.g, v, gui.Tr.SLocalize("PullWait")); err != nil {
+		return err
+	}
+
+	go func() {
+		unamePassOpend := false
+		err := gui.GitCommand.Pull(args, func(passOrUname string) string {
+			unamePassOpend = true
+			return gui.waitForPassUname(gui.g, v, passOrUname)
+		})
+		gui.HandleCredentialsPopup(gui.g, unamePassOpend, err)
+	}()
+
+	return nil
+}
+
+func (gui *Gui) pushWithForceFlag(g *gocui.Gui, v *gocui.View, force bool, upstream string, args string) error {
+	if err := gui.createLoaderPanel(gui.g, v, gui.Tr.SLocalize("PushWait")); err != nil {
+		return err
+	}
+	go func() {
+		unamePassOpend := false
+		branchName := gui.getCheckedOutBranch().Name
+		err := gui.GitCommand.Push(branchName, force, upstream, args, 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()
+	currentBranchName, err := gui.GitCommand.CurrentBranchName()
+	if err != nil {
+		return err
+	}
+
+	if pullables == "?" {
+		// see if we have this branch in our config with an upstream
+		conf, err := gui.GitCommand.Repo.Config()
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		for branchName, branch := range conf.Branches {
+			if branchName == currentBranchName {
+				return gui.pushWithForceFlag(g, v, false, "", fmt.Sprintf("%s %s", branch.Remote, branchName))
+			}
+		}
+
+		return gui.createPromptPanel(g, v, gui.Tr.SLocalize("EnterUpstream"), "origin "+currentBranchName, func(g *gocui.Gui, v *gocui.View) error {
+			return gui.pushWithForceFlag(g, v, false, gui.trimmedContent(v), "")
+		})
+	} else if pullables == "0" {
+		return gui.pushWithForceFlag(g, v, false, "", "")
+	}
+	return gui.createConfirmationPanel(g, v, true, gui.Tr.SLocalize("ForcePush"), gui.Tr.SLocalize("ForcePushPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.pushWithForceFlag(g, v, true, "", "")
+	}, nil)
+}
+
+func (gui *Gui) handleSwitchToMerge(g *gocui.Gui, v *gocui.View) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		return nil
+	}
+	if !file.HasInlineMergeConflicts {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("FileNoMergeCons"))
+	}
+	gui.changeMainViewsContext("merging")
+	if err := gui.switchFocus(g, v, gui.getMainView()); err != nil {
+		return err
+	}
+	return gui.refreshMergePanel()
+}
+
+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()
+}
+
+func (gui *Gui) openFile(filename string) error {
+	if err := gui.OSCommand.OpenFile(filename); err != nil {
+		return gui.createErrorPanel(gui.g, err.Error())
+	}
+	return nil
+}
+
+func (gui *Gui) anyFilesWithMergeConflicts() bool {
+	for _, file := range gui.State.Files {
+		if file.HasMergeConflicts {
+			return true
+		}
+	}
+	return false
+}
+
+func (gui *Gui) handleCustomCommand(g *gocui.Gui, v *gocui.View) error {
+	return gui.createPromptPanel(g, v, gui.Tr.SLocalize("CustomCommand"), "", func(g *gocui.Gui, v *gocui.View) error {
+		command := gui.trimmedContent(v)
+		gui.SubProcess = gui.OSCommand.RunCustomCommand(command)
+		return gui.Errors.ErrSubProcess
+	})
+}
+
+func (gui *Gui) handleCreateStashMenu(g *gocui.Gui, v *gocui.View) error {
+	menuItems := []*menuItem{
+		{
+			displayString: gui.Tr.SLocalize("stashAllChanges"),
+			onPress: func() error {
+				return gui.handleStashSave(gui.GitCommand.StashSave)
+			},
+		},
+		{
+			displayString: gui.Tr.SLocalize("stashStagedChanges"),
+			onPress: func() error {
+				return gui.handleStashSave(gui.GitCommand.StashSaveStagedChanges)
+			},
+		},
+	}
+
+	return gui.createMenu(gui.Tr.SLocalize("stashOptions"), menuItems, createMenuOptions{showCancel: true})
+}
+
+func (gui *Gui) handleStashChanges(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleStashSave(gui.GitCommand.StashSave)
+}
+
+func (gui *Gui) handleCreateResetToUpstreamMenu(g *gocui.Gui, v *gocui.View) error {
+	return gui.createResetMenu("@{upstream}")
+}
+
+func (gui *Gui) onFilesPanelSearchSelect(selectedLine int) error {
+	gui.State.Panels.Files.SelectedLine = selectedLine
+	return gui.focusAndSelectFile(gui.g, gui.getFilesView())
+}

pkg/gui/git_flow.go

@@ -0,0 +1,86 @@
+package gui
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) gitFlowFinishBranch(gitFlowConfig string, branchName string) error {
+	// need to find out what kind of branch this is
+	prefix := strings.SplitAfterN(branchName, "/", 2)[0]
+	suffix := strings.Replace(branchName, prefix, "", 1)
+
+	branchType := ""
+	for _, line := range strings.Split(strings.TrimSpace(gitFlowConfig), "\n") {
+		if strings.HasPrefix(line, "gitflow.prefix.") && strings.HasSuffix(line, prefix) {
+			// now I just need to how do you say
+			regex := regexp.MustCompile("gitflow.prefix.([^ ]*) .*")
+			matches := regex.FindAllStringSubmatch(line, 1)
+
+			if len(matches) > 0 && len(matches[0]) > 1 {
+				branchType = matches[0][1]
+				break
+			}
+		}
+	}
+
+	if branchType == "" {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("NotAGitFlowBranch"))
+	}
+
+	subProcess := gui.OSCommand.PrepareSubProcess("git", "flow", branchType, "finish", suffix)
+	gui.SubProcess = subProcess
+	return gui.Errors.ErrSubProcess
+}
+
+func (gui *Gui) handleCreateGitFlowMenu(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getSelectedBranch()
+	if branch == nil {
+		return nil
+	}
+
+	// get config
+	gitFlowConfig, err := gui.OSCommand.RunCommandWithOutput("git config --local --get-regexp gitflow")
+	if err != nil {
+		return gui.createErrorPanel(gui.g, "You need to install git-flow and enable it in this repo to use git-flow features")
+	}
+
+	startHandler := func(branchType string) func() error {
+		return func() error {
+			title := gui.Tr.TemplateLocalize("NewBranchNamePrompt", map[string]interface{}{"branchType": branchType})
+			return gui.createPromptPanel(gui.g, gui.getMenuView(), title, "", func(g *gocui.Gui, v *gocui.View) error {
+				name := gui.trimmedContent(v)
+				subProcess := gui.OSCommand.PrepareSubProcess("git", "flow", branchType, "start", name)
+				gui.SubProcess = subProcess
+				return gui.Errors.ErrSubProcess
+			})
+		}
+	}
+
+	menuItems := []*menuItem{
+		{
+			// not localising here because it's one to one with the actual git flow commands
+			displayString: fmt.Sprintf("finish branch '%s'", branch.Name),
+			onPress: func() error {
+				return gui.gitFlowFinishBranch(gitFlowConfig, branch.Name)
+			},
+		},
+		{
+			displayString: "start feature",
+			onPress:       startHandler("feature"),
+		},
+		{
+			displayString: "start hotfix",
+			onPress:       startHandler("hotfix"),
+		},
+		{
+			displayString: "start release",
+			onPress:       startHandler("release"),
+		},
+	}
+
+	return gui.createMenu("git flow", menuItems, createMenuOptions{})
+}

pkg/gui/line_by_line_panel.go

@@ -0,0 +1,325 @@
+package gui
+
+import (
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+)
+
+// Currently there are two 'pseudo-panels' that make use of this 'pseudo-panel'.
+// One is the staging panel where we stage files line-by-line, the other is the
+// patch building panel where we add lines of an old commit's file to a patch.
+// This file contains the logic around selecting lines and displaying the diffs
+// staging_panel.go and patch_building_panel.go have functions specific to their
+// use cases
+
+// these represent what select mode we're in
+const (
+	LINE = iota
+	RANGE
+	HUNK
+)
+
+// returns whether the patch is empty so caller can escape if necessary
+// both diffs should be non-coloured because we'll parse them and colour them here
+func (gui *Gui) refreshLineByLinePanel(diff string, secondaryDiff string, secondaryFocused bool, selectedLineIdx int) (bool, error) {
+	state := gui.State.Panels.LineByLine
+
+	patchParser, err := commands.NewPatchParser(gui.Log, diff)
+	if err != nil {
+		return false, nil
+	}
+
+	if len(patchParser.StageableLines) == 0 {
+		return true, nil
+	}
+
+	var firstLineIdx int
+	var lastLineIdx int
+	selectMode := LINE
+	// if we have clicked from the outside to focus the main view we'll pass in a non-negative line index so that we can instantly select that line
+	if selectedLineIdx >= 0 {
+		selectMode = RANGE
+		firstLineIdx, lastLineIdx = selectedLineIdx, selectedLineIdx
+	} else if state != nil {
+		if state.SelectMode == HUNK {
+			// this is tricky: we need to find out which hunk we just staged based on our old `state.PatchParser` (as opposed to the new `patchParser`)
+			// we do this by getting the first line index of the original hunk, then
+			// finding the next stageable line, then getting its containing hunk
+			// in the new diff
+			selectMode = HUNK
+			prevNewHunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, 0)
+			selectedLineIdx = patchParser.GetNextStageableLineIndex(prevNewHunk.FirstLineIdx)
+			newHunk := patchParser.GetHunkContainingLine(selectedLineIdx, 0)
+			firstLineIdx, lastLineIdx = newHunk.FirstLineIdx, newHunk.LastLineIdx
+		} else {
+			selectedLineIdx = patchParser.GetNextStageableLineIndex(state.SelectedLineIdx)
+			firstLineIdx, lastLineIdx = selectedLineIdx, selectedLineIdx
+		}
+	} else {
+		selectedLineIdx = patchParser.StageableLines[0]
+		firstLineIdx, lastLineIdx = selectedLineIdx, selectedLineIdx
+	}
+
+	gui.State.Panels.LineByLine = &lineByLinePanelState{
+		PatchParser:      patchParser,
+		SelectedLineIdx:  selectedLineIdx,
+		SelectMode:       selectMode,
+		FirstLineIdx:     firstLineIdx,
+		LastLineIdx:      lastLineIdx,
+		Diff:             diff,
+		SecondaryFocused: secondaryFocused,
+	}
+
+	if err := gui.refreshMainView(); err != nil {
+		return false, err
+	}
+
+	if err := gui.focusSelection(selectMode == HUNK); err != nil {
+		return false, err
+	}
+
+	secondaryView := gui.getSecondaryView()
+	secondaryView.Highlight = true
+	secondaryView.Wrap = false
+
+	secondaryPatchParser, err := commands.NewPatchParser(gui.Log, secondaryDiff)
+	if err != nil {
+		return false, nil
+	}
+
+	gui.g.Update(func(*gocui.Gui) error {
+		return gui.setViewContent(gui.g, gui.getSecondaryView(), secondaryPatchParser.Render(-1, -1, nil))
+	})
+
+	return false, nil
+}
+
+func (gui *Gui) handleSelectPrevLine(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleLine(-1)
+}
+
+func (gui *Gui) handleSelectNextLine(g *gocui.Gui, v *gocui.View) error {
+	return gui.handleCycleLine(+1)
+}
+
+func (gui *Gui) handleSelectPrevHunk(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+	newHunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, -1)
+
+	return gui.selectNewHunk(newHunk)
+}
+
+func (gui *Gui) handleSelectNextHunk(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+	newHunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, 1)
+
+	return gui.selectNewHunk(newHunk)
+}
+
+func (gui *Gui) selectNewHunk(newHunk *commands.PatchHunk) error {
+	state := gui.State.Panels.LineByLine
+	state.SelectedLineIdx = state.PatchParser.GetNextStageableLineIndex(newHunk.FirstLineIdx)
+	if state.SelectMode == HUNK {
+		state.FirstLineIdx, state.LastLineIdx = newHunk.FirstLineIdx, newHunk.LastLineIdx
+	} else {
+		state.FirstLineIdx, state.LastLineIdx = state.SelectedLineIdx, state.SelectedLineIdx
+	}
+
+	if err := gui.refreshMainView(); err != nil {
+		return err
+	}
+
+	return gui.focusSelection(true)
+}
+
+func (gui *Gui) handleCycleLine(change int) error {
+	state := gui.State.Panels.LineByLine
+
+	if state.SelectMode == HUNK {
+		newHunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, change)
+		return gui.selectNewHunk(newHunk)
+	}
+
+	return gui.handleSelectNewLine(state.SelectedLineIdx + change)
+}
+
+func (gui *Gui) handleSelectNewLine(newSelectedLineIdx int) error {
+	state := gui.State.Panels.LineByLine
+
+	if newSelectedLineIdx < 0 {
+		newSelectedLineIdx = 0
+	} else if newSelectedLineIdx > len(state.PatchParser.PatchLines)-1 {
+		newSelectedLineIdx = len(state.PatchParser.PatchLines) - 1
+	}
+
+	state.SelectedLineIdx = newSelectedLineIdx
+
+	if state.SelectMode == RANGE {
+		if state.SelectedLineIdx < state.FirstLineIdx {
+			state.FirstLineIdx = state.SelectedLineIdx
+		} else {
+			state.LastLineIdx = state.SelectedLineIdx
+		}
+	} else {
+		state.LastLineIdx = state.SelectedLineIdx
+		state.FirstLineIdx = state.SelectedLineIdx
+	}
+
+	if err := gui.refreshMainView(); err != nil {
+		return err
+	}
+
+	return gui.focusSelection(false)
+}
+
+func (gui *Gui) handleMouseDown(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	newSelectedLineIdx := v.SelectedLineIdx()
+	state.FirstLineIdx = newSelectedLineIdx
+	state.LastLineIdx = newSelectedLineIdx
+
+	state.SelectMode = RANGE
+
+	return gui.handleSelectNewLine(newSelectedLineIdx)
+}
+
+func (gui *Gui) handleMouseDrag(g *gocui.Gui, v *gocui.View) error {
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	return gui.handleSelectNewLine(v.SelectedLineIdx())
+}
+
+func (gui *Gui) handleMouseScrollUp(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	state.SelectMode = LINE
+
+	return gui.handleCycleLine(-1)
+}
+
+func (gui *Gui) handleMouseScrollDown(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+
+	if gui.popupPanelFocused() {
+		return nil
+	}
+
+	state.SelectMode = LINE
+
+	return gui.handleCycleLine(1)
+}
+
+func (gui *Gui) getSelectedCommitFileName() string {
+	return gui.State.CommitFiles[gui.State.Panels.CommitFiles.SelectedLine].Name
+}
+
+func (gui *Gui) refreshMainView() error {
+	state := gui.State.Panels.LineByLine
+
+	var includedLineIndices []int
+	// I'd prefer not to have knowledge of contexts using this file but I'm not sure
+	// how to get around this
+	if gui.State.MainContext == "patch-building" {
+		filename := gui.getSelectedCommitFileName()
+		includedLineIndices = gui.GitCommand.PatchManager.GetFileIncLineIndices(filename)
+	}
+	colorDiff := state.PatchParser.Render(state.FirstLineIdx, state.LastLineIdx, includedLineIndices)
+
+	mainView := gui.getMainView()
+	mainView.Highlight = true
+	mainView.Wrap = false
+
+	gui.g.Update(func(*gocui.Gui) error {
+		return gui.setViewContent(gui.g, gui.getMainView(), colorDiff)
+	})
+
+	return nil
+}
+
+// focusSelection works out the best focus for the staging panel given the
+// selected line and size of the hunk
+func (gui *Gui) focusSelection(includeCurrentHunk bool) error {
+	stagingView := gui.getMainView()
+	state := gui.State.Panels.LineByLine
+
+	_, viewHeight := stagingView.Size()
+	bufferHeight := viewHeight - 1
+	_, origin := stagingView.Origin()
+
+	firstLineIdx := state.SelectedLineIdx
+	lastLineIdx := state.SelectedLineIdx
+
+	if includeCurrentHunk {
+		hunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, 0)
+		firstLineIdx = hunk.FirstLineIdx
+		lastLineIdx = hunk.LastLineIdx
+	}
+
+	margin := 0 // we may want to have a margin in place to show context  but right now I'm thinking we keep this at zero
+
+	var newOrigin int
+	if firstLineIdx-origin < margin {
+		newOrigin = firstLineIdx - margin
+	} else if lastLineIdx-origin > bufferHeight-margin {
+		newOrigin = lastLineIdx - bufferHeight + margin
+	} else {
+		newOrigin = origin
+	}
+
+	gui.g.Update(func(*gocui.Gui) error {
+		if err := stagingView.SetOrigin(0, newOrigin); err != nil {
+			return err
+		}
+
+		return stagingView.SetCursor(0, state.SelectedLineIdx-newOrigin)
+	})
+
+	return nil
+}
+
+func (gui *Gui) handleToggleSelectRange(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+	if state.SelectMode == RANGE {
+		state.SelectMode = LINE
+	} else {
+		state.SelectMode = RANGE
+	}
+	state.FirstLineIdx, state.LastLineIdx = state.SelectedLineIdx, state.SelectedLineIdx
+
+	return gui.refreshMainView()
+}
+
+func (gui *Gui) handleToggleSelectHunk(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+
+	if state.SelectMode == HUNK {
+		state.SelectMode = LINE
+		state.FirstLineIdx, state.LastLineIdx = state.SelectedLineIdx, state.SelectedLineIdx
+	} else {
+		state.SelectMode = HUNK
+		selectedHunk := state.PatchParser.GetHunkContainingLine(state.SelectedLineIdx, 0)
+		state.FirstLineIdx, state.LastLineIdx = selectedHunk.FirstLineIdx, selectedHunk.LastLineIdx
+	}
+
+	if err := gui.refreshMainView(); err != nil {
+		return err
+	}
+
+	return gui.focusSelection(state.SelectMode == HUNK)
+}
+
+func (gui *Gui) handleEscapeLineByLinePanel() {
+	gui.changeMainViewsContext("normal")
+	gui.State.Panels.LineByLine = nil
+}

pkg/gui/list_view.go

@@ -0,0 +1,178 @@
+package gui
+
+import "github.com/jesseduffield/gocui"
+
+type listView struct {
+	viewName                string
+	context                 string
+	getItemsLength          func() int
+	getSelectedLineIdxPtr   func() *int
+	handleFocus             func(g *gocui.Gui, v *gocui.View) error
+	handleItemSelect        func(g *gocui.Gui, v *gocui.View) error
+	handleClickSelectedItem func(g *gocui.Gui, v *gocui.View) error
+	gui                     *Gui
+	rendersToMainView       bool
+}
+
+func (lv *listView) handlePrevLine(g *gocui.Gui, v *gocui.View) error {
+	return lv.handleLineChange(-1)
+}
+
+func (lv *listView) handleNextLine(g *gocui.Gui, v *gocui.View) error {
+	return lv.handleLineChange(1)
+}
+
+func (lv *listView) handleLineChange(change int) error {
+	if !lv.gui.isPopupPanel(lv.viewName) && lv.gui.popupPanelFocused() {
+		return nil
+	}
+
+	lv.gui.changeSelectedLine(lv.getSelectedLineIdxPtr(), lv.getItemsLength(), change)
+
+	if lv.rendersToMainView {
+		if err := lv.gui.resetOrigin(lv.gui.getMainView()); err != nil {
+			return err
+		}
+	}
+
+	view, err := lv.gui.g.View(lv.viewName)
+	if err != nil {
+		return err
+	}
+	return lv.handleItemSelect(lv.gui.g, view)
+}
+
+func (lv *listView) handleClick(g *gocui.Gui, v *gocui.View) error {
+	if !lv.gui.isPopupPanel(lv.viewName) && lv.gui.popupPanelFocused() {
+		return nil
+	}
+
+	selectedLineIdxPtr := lv.getSelectedLineIdxPtr()
+	prevSelectedLineIdx := *selectedLineIdxPtr
+	newSelectedLineIdx := v.SelectedLineIdx()
+
+	if newSelectedLineIdx > lv.getItemsLength()-1 {
+		return lv.handleFocus(lv.gui.g, v)
+	}
+
+	*selectedLineIdxPtr = newSelectedLineIdx
+
+	if lv.rendersToMainView {
+		if err := lv.gui.resetOrigin(lv.gui.getMainView()); err != nil {
+			return err
+		}
+	}
+
+	prevViewName := lv.gui.currentViewName()
+	if prevSelectedLineIdx == newSelectedLineIdx && prevViewName == lv.viewName && lv.handleClickSelectedItem != nil {
+		return lv.handleClickSelectedItem(lv.gui.g, v)
+	}
+	return lv.handleItemSelect(lv.gui.g, v)
+}
+
+func (gui *Gui) getListViews() []*listView {
+	return []*listView{
+		{
+			viewName:              "menu",
+			getItemsLength:        func() int { return gui.getMenuView().LinesHeight() },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Menu.SelectedLine },
+			handleFocus:           gui.handleMenuSelect,
+			handleItemSelect:      gui.handleMenuSelect,
+			// need to add a layer of indirection here because the callback changes during runtime
+			handleClickSelectedItem: gui.wrappedHandler(func() error { return gui.State.Panels.Menu.OnPress(gui.g, nil) }),
+			gui:                     gui,
+			rendersToMainView:       false,
+		},
+		{
+			viewName:                "files",
+			getItemsLength:          func() int { return len(gui.State.Files) },
+			getSelectedLineIdxPtr:   func() *int { return &gui.State.Panels.Files.SelectedLine },
+			handleFocus:             gui.focusAndSelectFile,
+			handleItemSelect:        gui.focusAndSelectFile,
+			handleClickSelectedItem: gui.handleFilePress,
+			gui:                     gui,
+			rendersToMainView:       true,
+		},
+		{
+			viewName:              "branches",
+			context:               "local-branches",
+			getItemsLength:        func() int { return len(gui.State.Branches) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Branches.SelectedLine },
+			handleFocus:           gui.handleBranchSelect,
+			handleItemSelect:      gui.handleBranchSelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+		{
+			viewName:                "branches",
+			context:                 "remotes",
+			getItemsLength:          func() int { return len(gui.State.Remotes) },
+			getSelectedLineIdxPtr:   func() *int { return &gui.State.Panels.Remotes.SelectedLine },
+			handleFocus:             gui.wrappedHandler(gui.renderRemotesWithSelection),
+			handleItemSelect:        gui.handleRemoteSelect,
+			handleClickSelectedItem: gui.handleRemoteEnter,
+			gui:                     gui,
+			rendersToMainView:       true,
+		},
+		{
+			viewName:              "branches",
+			context:               "remote-branches",
+			getItemsLength:        func() int { return len(gui.State.RemoteBranches) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.RemoteBranches.SelectedLine },
+			handleFocus:           gui.handleRemoteBranchSelect,
+			handleItemSelect:      gui.handleRemoteBranchSelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+		{
+			viewName:              "branches",
+			context:               "tags",
+			getItemsLength:        func() int { return len(gui.State.Tags) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Tags.SelectedLine },
+			handleFocus:           gui.handleTagSelect,
+			handleItemSelect:      gui.handleTagSelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+
+		{
+			viewName:                "commits",
+			context:                 "branch-commits",
+			getItemsLength:          func() int { return len(gui.State.Commits) },
+			getSelectedLineIdxPtr:   func() *int { return &gui.State.Panels.Commits.SelectedLine },
+			handleFocus:             gui.handleCommitSelect,
+			handleItemSelect:        gui.handleCommitSelect,
+			handleClickSelectedItem: gui.handleSwitchToCommitFilesPanel,
+			gui:                     gui,
+			rendersToMainView:       true,
+		},
+		{
+			viewName:              "commits",
+			context:               "reflog-commits",
+			getItemsLength:        func() int { return len(gui.State.ReflogCommits) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.ReflogCommits.SelectedLine },
+			handleFocus:           gui.handleReflogCommitSelect,
+			handleItemSelect:      gui.handleReflogCommitSelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+		{
+			viewName:              "stash",
+			getItemsLength:        func() int { return len(gui.State.StashEntries) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Stash.SelectedLine },
+			handleFocus:           gui.handleStashEntrySelect,
+			handleItemSelect:      gui.handleStashEntrySelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+		{
+			viewName:              "commitFiles",
+			getItemsLength:        func() int { return len(gui.State.CommitFiles) },
+			getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.CommitFiles.SelectedLine },
+			handleFocus:           gui.handleCommitFileSelect,
+			handleItemSelect:      gui.handleCommitFileSelect,
+			gui:                   gui,
+			rendersToMainView:     true,
+		},
+	}
+}

pkg/gui/menu_panel.go

@@ -0,0 +1,119 @@
+package gui
+
+import (
+	"fmt"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+type menuItem struct {
+	displayString  string
+	displayStrings []string
+	onPress        func() error
+}
+
+// list panel functions
+
+func (gui *Gui) handleMenuSelect(g *gocui.Gui, v *gocui.View) error {
+	return gui.focusPoint(0, gui.State.Panels.Menu.SelectedLine, gui.State.MenuItemCount, v)
+}
+
+// specific functions
+
+func (gui *Gui) renderMenuOptions() error {
+	optionsMap := map[string]string{
+		fmt.Sprintf("%s/%s", gui.getKeyDisplay("universal.return"), gui.getKeyDisplay("universal.quit")):       gui.Tr.SLocalize("close"),
+		fmt.Sprintf("%s %s", gui.getKeyDisplay("universal.prevItem"), gui.getKeyDisplay("universal.nextItem")): gui.Tr.SLocalize("navigate"),
+		gui.getKeyDisplay("universal.select"): gui.Tr.SLocalize("execute"),
+	}
+	return gui.renderOptionsMap(optionsMap)
+}
+
+func (gui *Gui) handleMenuClose(g *gocui.Gui, v *gocui.View) error {
+	for _, key := range []gocui.Key{gocui.KeySpace, gocui.KeyEnter} {
+		if err := g.DeleteKeybinding("menu", key, gocui.ModNone); err != nil {
+			return err
+		}
+	}
+	err := g.DeleteView("menu")
+	if err != nil {
+		return err
+	}
+	return gui.returnFocus(g, v)
+}
+
+type createMenuOptions struct {
+	showCancel bool
+}
+
+func (gui *Gui) createMenu(title string, items []*menuItem, createMenuOptions createMenuOptions) error {
+	if createMenuOptions.showCancel {
+		// this is mutative but I'm okay with that for now
+		items = append(items, &menuItem{
+			displayStrings: []string{gui.Tr.SLocalize("cancel")},
+			onPress: func() error {
+				return nil
+			},
+		})
+	}
+
+	gui.State.MenuItemCount = len(items)
+
+	stringArrays := make([][]string, len(items))
+	for i, item := range items {
+		if item.displayStrings == nil {
+			stringArrays[i] = []string{item.displayString}
+		} else {
+			stringArrays[i] = item.displayStrings
+		}
+	}
+
+	list := utils.RenderDisplayStrings(stringArrays)
+
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, false, list)
+	menuView, _ := gui.g.SetView("menu", x0, y0, x1, y1, 0)
+	menuView.Title = title
+	menuView.FgColor = theme.GocuiDefaultTextColor
+	menuView.ContainsList = true
+	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
+		if err := items[selectedLine].onPress(); err != nil {
+			return err
+		}
+
+		if _, err := gui.g.View("menu"); err == nil {
+			if _, err := gui.g.SetViewOnBottom("menu"); err != nil {
+				return err
+			}
+		}
+
+		return gui.returnFocus(gui.g, menuView)
+	}
+
+	gui.State.Panels.Menu.OnPress = wrappedHandlePress
+
+	for _, key := range []gocui.Key{gocui.KeySpace, gocui.KeyEnter, 'y'} {
+		_ = gui.g.DeleteKeybinding("menu", key, gocui.ModNone)
+
+		if err := gui.g.SetKeybinding("menu", nil, key, gocui.ModNone, wrappedHandlePress); err != nil {
+			return err
+		}
+	}
+
+	gui.g.Update(func(g *gocui.Gui) error {
+		if _, err := gui.g.View("menu"); err == nil {
+			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 +1,293 @@
+// 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"
+	"fmt"
+	"io/ioutil"
+	"math"
+	"os"
+	"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/theme"
+	"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) {
+		trimmedLine := strings.TrimPrefix(line, "++")
+		gui.Log.Info(trimmedLine)
+		if trimmedLine == "<<<<<<< HEAD" || trimmedLine == "<<<<<<< MERGE_HEAD" || trimmedLine == "<<<<<<< Updated upstream" || trimmedLine == "<<<<<<< ours" {
+			newConflict = commands.Conflict{Start: i}
+		} else if trimmedLine == "=======" {
+			newConflict.Middle = i
+		} else if strings.HasPrefix(trimmedLine, ">>>>>>> ") {
+			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 := theme.DefaultTextColor
+		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.Panels.Merging.ConflictTop = true
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) handleSelectBottom(g *gocui.Gui, v *gocui.View) error {
+	gui.State.Panels.Merging.ConflictTop = false
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) handleSelectNextConflict(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Merging.ConflictIndex >= len(gui.State.Panels.Merging.Conflicts)-1 {
+		return nil
+	}
+	gui.State.Panels.Merging.ConflictIndex++
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) handleSelectPrevConflict(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Merging.ConflictIndex <= 0 {
+		return nil
+	}
+	gui.State.Panels.Merging.ConflictIndex--
+	return gui.refreshMergePanel()
+}
+
+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.Panels.Merging.EditHistory.Push(content)
+	return nil
+}
+
+func (gui *Gui) handlePopFileSnapshot(g *gocui.Gui, v *gocui.View) error {
+	if gui.State.Panels.Merging.EditHistory.Len() == 0 {
+		return nil
+	}
+	prevContent := gui.State.Panels.Merging.EditHistory.Pop().(string)
+	gitFile, err := gui.getSelectedFile(g)
+	if err != nil {
+		return err
+	}
+	ioutil.WriteFile(gitFile.Name, []byte(prevContent), 0644)
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) handlePickHunk(g *gocui.Gui, v *gocui.View) error {
+	conflict := gui.State.Panels.Merging.Conflicts[gui.State.Panels.Merging.ConflictIndex]
+	gui.pushFileSnapshot(g)
+	pick := "bottom"
+	if gui.State.Panels.Merging.ConflictTop {
+		pick = "top"
+	}
+	err := gui.resolveConflict(g, conflict, pick)
+	if err != nil {
+		panic(err)
+	}
+
+	// if that was the last conflict, finish the merge for this file
+	if len(gui.State.Panels.Merging.Conflicts) == 1 {
+		if err := gui.handleCompleteMerge(); err != nil {
+			return err
+		}
+	}
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) handlePickBothHunks(g *gocui.Gui, v *gocui.View) error {
+	conflict := gui.State.Panels.Merging.Conflicts[gui.State.Panels.Merging.ConflictIndex]
+	gui.pushFileSnapshot(g)
+	err := gui.resolveConflict(g, conflict, "both")
+	if err != nil {
+		panic(err)
+	}
+	return gui.refreshMergePanel()
+}
+
+func (gui *Gui) refreshMergePanel() error {
+	panelState := gui.State.Panels.Merging
+	cat, err := gui.catSelectedFile(gui.g)
+	if err != nil {
+		return err
+	}
+	if cat == "" {
+		return nil
+	}
+	panelState.Conflicts, err = gui.findConflicts(cat)
+	if err != nil {
+		return err
+	}
+
+	// handle potential fixes that the user made in their editor since we last refreshed
+	if len(panelState.Conflicts) == 0 {
+		return gui.handleCompleteMerge()
+	} else if panelState.ConflictIndex > len(panelState.Conflicts)-1 {
+		panelState.ConflictIndex = len(panelState.Conflicts) - 1
+	}
+
+	hasFocus := gui.currentViewName() == "main"
+	content, err := gui.coloredConflictFile(cat, panelState.Conflicts, panelState.ConflictIndex, panelState.ConflictTop, hasFocus)
+	if err != nil {
+		return err
+	}
+
+	mainView := gui.getMainView()
+	mainView.Wrap = false
+	if err := gui.setViewContent(gui.g, mainView, content); err != nil {
+		return err
+	}
+	gui.Log.Warn("scrolling to conflict")
+	if err := gui.scrollToConflict(gui.g); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (gui *Gui) scrollToConflict(g *gocui.Gui) error {
+	panelState := gui.State.Panels.Merging
+	if len(panelState.Conflicts) == 0 {
+		return nil
+	}
+	mergingView := gui.getMainView()
+	conflict := panelState.Conflicts[panelState.ConflictIndex]
+	ox, _ := mergingView.Origin()
+	_, height := mergingView.Size()
+	conflictMiddle := (conflict.End + conflict.Start) / 2
+	newOriginY := int(math.Max(0, float64(conflictMiddle-(height/2))))
+	gui.g.Update(func(g *gocui.Gui) error {
+		return mergingView.SetOrigin(ox, newOriginY)
+	})
+	return nil
+}
+
+func (gui *Gui) renderMergeOptions() error {
+	return gui.renderOptionsMap(map[string]string{
+		fmt.Sprintf("%s %s", gui.getKeyDisplay("universal.prevItem"), gui.getKeyDisplay("universal.nextItem")):   gui.Tr.SLocalize("selectHunk"),
+		fmt.Sprintf("%s %s", gui.getKeyDisplay("universal.prevBlock"), gui.getKeyDisplay("universal.nextBlock")): gui.Tr.SLocalize("navigateConflicts"),
+		gui.getKeyDisplay("universal.select"):   gui.Tr.SLocalize("pickHunk"),
+		gui.getKeyDisplay("main.pickBothHunks"): gui.Tr.SLocalize("pickBothHunks"),
+		gui.getKeyDisplay("main.undo"):          gui.Tr.SLocalize("undo"),
+	})
+}
+
+func (gui *Gui) handleEscapeMerge(g *gocui.Gui, v *gocui.View) error {
+	gui.State.Panels.Merging.EditHistory = stack.New()
+	if err := gui.refreshFiles(); err != nil {
+		return err
+	}
+	// it's possible this method won't be called from the merging view so we need to
+	// ensure we only 'return' focus if we already have it
+	if gui.g.CurrentView() == gui.getMainView() {
+		return gui.switchFocus(g, v, gui.getFilesView())
+	}
+	return nil
+}
+
+func (gui *Gui) handleCompleteMerge() error {
+	if err := gui.stageSelectedFile(gui.g); err != nil {
+		return err
+	}
+	if err := gui.refreshFiles(); err != nil {
+		return err
+	}
+	// if we got conflicts after unstashing, we don't want to call any git
+	// commands to continue rebasing/merging here
+	if gui.State.WorkingTreeState == "normal" {
+		return gui.handleEscapeMerge(gui.g, gui.getMainView())
+	}
+	// if there are no more files with merge conflicts, we should ask whether the user wants to continue
+	if !gui.anyFilesWithMergeConflicts() {
+		return gui.promptToContinue()
+	}
+	return gui.handleEscapeMerge(gui.g, gui.getMainView())
+}
+
+// promptToContinue asks the user if they want to continue the rebase/merge that's in progress
+func (gui *Gui) promptToContinue() error {
+	return gui.createConfirmationPanel(gui.g, gui.getFilesView(), true, "continue", gui.Tr.SLocalize("ConflictsResolved"), func(g *gocui.Gui, v *gocui.View) error {
+		return gui.genericMergeCommand("continue")
+	}, nil)
+}

pkg/gui/options_menu_panel.go

@@ -0,0 +1,58 @@
+package gui
+
+import (
+	"strings"
+
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func (gui *Gui) getBindings(v *gocui.View) []*Binding {
+	var (
+		bindingsGlobal, bindingsPanel []*Binding
+	)
+
+	bindings := gui.GetInitialKeybindings()
+
+	for _, binding := range bindings {
+		if GetKeyDisplay(binding.Key) != "" && binding.Description != "" {
+			switch binding.ViewName {
+			case "":
+				bindingsGlobal = append(bindingsGlobal, binding)
+			case v.Name():
+				if len(binding.Contexts) == 0 || utils.IncludesString(binding.Contexts, v.Context) {
+					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)
+
+	menuItems := make([]*menuItem, len(bindings))
+
+	for i, binding := range bindings {
+		innerBinding := binding // note to self, never close over loop variables
+		menuItems[i] = &menuItem{
+			displayStrings: []string{GetKeyDisplay(innerBinding.Key), innerBinding.Description},
+			onPress: func() error {
+				if innerBinding.Key == nil {
+					return nil
+				}
+				if err := gui.handleMenuClose(g, v); err != nil {
+					return err
+				}
+				return innerBinding.Handler(g, v)
+			},
+		}
+	}
+
+	return gui.createMenu(strings.Title(gui.Tr.SLocalize("menu")), menuItems, createMenuOptions{})
+}

pkg/gui/patch_building_panel.go

@@ -0,0 +1,102 @@
+package gui
+
+import (
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func (gui *Gui) refreshPatchBuildingPanel(selectedLineIdx int) error {
+	if !gui.GitCommand.PatchManager.CommitSelected() {
+		return gui.handleEscapePatchBuildingPanel(gui.g, nil)
+	}
+
+	gui.State.SplitMainPanel = true
+
+	gui.getMainView().Title = "Patch"
+	gui.getSecondaryView().Title = "Custom Patch"
+
+	// get diff from commit file that's currently selected
+	commitFile := gui.getSelectedCommitFile(gui.g)
+	if commitFile == nil {
+		return gui.renderString(gui.g, "commitFiles", gui.Tr.SLocalize("NoCommiteFiles"))
+	}
+
+	diff, err := gui.GitCommand.ShowCommitFile(commitFile.Sha, commitFile.Name, true)
+	if err != nil {
+		return err
+	}
+
+	secondaryDiff := gui.GitCommand.PatchManager.RenderPatchForFile(commitFile.Name, true, false, true)
+	if err != nil {
+		return err
+	}
+
+	empty, err := gui.refreshLineByLinePanel(diff, secondaryDiff, false, selectedLineIdx)
+	if err != nil {
+		return err
+	}
+
+	if empty {
+		return gui.handleEscapePatchBuildingPanel(gui.g, nil)
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleToggleSelectionForPatch(g *gocui.Gui, v *gocui.View) error {
+	state := gui.State.Panels.LineByLine
+
+	toggleFunc := gui.GitCommand.PatchManager.AddFileLineRange
+	filename := gui.getSelectedCommitFileName()
+	includedLineIndices := gui.GitCommand.PatchManager.GetFileIncLineIndices(filename)
+	currentLineIsStaged := utils.IncludesInt(includedLineIndices, state.SelectedLineIdx)
+	if currentLineIsStaged {
+		toggleFunc = gui.GitCommand.PatchManager.RemoveFileLineRange
+	}
+
+	// add range of lines to those set for the file
+	commitFile := gui.getSelectedCommitFile(gui.g)
+	if commitFile == nil {
+		return gui.renderString(gui.g, "commitFiles", gui.Tr.SLocalize("NoCommiteFiles"))
+	}
+
+	toggleFunc(commitFile.Name, state.FirstLineIdx, state.LastLineIdx)
+
+	if err := gui.refreshCommitFilesView(); err != nil {
+		return err
+	}
+
+	if err := gui.refreshPatchBuildingPanel(-1); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (gui *Gui) handleEscapePatchBuildingPanel(g *gocui.Gui, v *gocui.View) error {
+	gui.handleEscapeLineByLinePanel()
+
+	if gui.GitCommand.PatchManager.IsEmpty() {
+		gui.GitCommand.PatchManager.Reset()
+		gui.State.SplitMainPanel = false
+	}
+
+	return gui.switchFocus(gui.g, nil, gui.getCommitFilesView())
+}
+
+func (gui *Gui) refreshSecondaryPatchPanel() error {
+	if gui.GitCommand.PatchManager.CommitSelected() {
+		gui.State.SplitMainPanel = true
+		secondaryView := gui.getSecondaryView()
+		secondaryView.Highlight = true
+		secondaryView.Wrap = false
+
+		gui.g.Update(func(*gocui.Gui) error {
+			return gui.setViewContent(gui.g, gui.getSecondaryView(), gui.GitCommand.PatchManager.RenderAggregatedPatchColored(false))
+		})
+	} else {
+		gui.State.SplitMainPanel = false
+	}
+
+	return nil
+}

pkg/gui/patch_options_panel.go

@@ -0,0 +1,122 @@
+package gui
+
+import (
+	"fmt"
+
+	"github.com/jesseduffield/gocui"
+)
+
+func (gui *Gui) handleCreatePatchOptionsMenu(g *gocui.Gui, v *gocui.View) error {
+	if !gui.GitCommand.PatchManager.CommitSelected() {
+		return gui.createErrorPanel(gui.g, gui.Tr.SLocalize("NoPatchError"))
+	}
+
+	menuItems := []*menuItem{
+		{
+			displayString: fmt.Sprintf("remove patch from original commit (%s)", gui.GitCommand.PatchManager.CommitSha),
+			onPress:       gui.handleDeletePatchFromCommit,
+		},
+		{
+			displayString: "pull patch out into index",
+			onPress:       gui.handlePullPatchIntoWorkingTree,
+		},
+		{
+			displayString: "reset patch",
+			onPress:       gui.handleResetPatch,
+		},
+	}
+
+	selectedCommit := gui.getSelectedCommit(gui.g)
+	if selectedCommit != nil && gui.GitCommand.PatchManager.CommitSha != selectedCommit.Sha {
+		// adding this option to index 1
+		menuItems = append(
+			menuItems[:1],
+			append(
+				[]*menuItem{
+					{
+						displayString: fmt.Sprintf("move patch to selected commit (%s)", selectedCommit.Sha),
+						onPress:       gui.handleMovePatchToSelectedCommit,
+					},
+				}, menuItems[1:]...,
+			)...,
+		)
+	}
+
+	return gui.createMenu(gui.Tr.SLocalize("PatchOptionsTitle"), menuItems, createMenuOptions{showCancel: true})
+}
+
+func (gui *Gui) getPatchCommitIndex() int {
+	for index, commit := range gui.State.Commits {
+		if commit.Sha == gui.GitCommand.PatchManager.CommitSha {
+			return index
+		}
+	}
+	return -1
+}
+
+func (gui *Gui) validateNormalWorkingTreeState() (bool, error) {
+	if gui.State.WorkingTreeState != "normal" {
+		return false, gui.createErrorPanel(gui.g, gui.Tr.SLocalize("CantPatchWhileRebasingError"))
+	}
+	return true, nil
+}
+
+func (gui *Gui) returnFocusFromLineByLinePanelIfNecessary() error {
+	if gui.State.MainContext == "patch-building" {
+		return gui.handleEscapePatchBuildingPanel(gui.g, nil)
+	}
+	return nil
+}
+
+func (gui *Gui) handleDeletePatchFromCommit() error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	if err := gui.returnFocusFromLineByLinePanelIfNecessary(); err != nil {
+		return err
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("RebasingStatus"), func() error {
+		commitIndex := gui.getPatchCommitIndex()
+		err := gui.GitCommand.DeletePatchesFromCommit(gui.State.Commits, commitIndex, gui.GitCommand.PatchManager)
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handleMovePatchToSelectedCommit() error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	if err := gui.returnFocusFromLineByLinePanelIfNecessary(); err != nil {
+		return err
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("RebasingStatus"), func() error {
+		commitIndex := gui.getPatchCommitIndex()
+		err := gui.GitCommand.MovePatchToSelectedCommit(gui.State.Commits, commitIndex, gui.State.Panels.Commits.SelectedLine, gui.GitCommand.PatchManager)
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handlePullPatchIntoWorkingTree() error {
+	if ok, err := gui.validateNormalWorkingTreeState(); !ok {
+		return err
+	}
+
+	if err := gui.returnFocusFromLineByLinePanelIfNecessary(); err != nil {
+		return err
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.SLocalize("RebasingStatus"), func() error {
+		commitIndex := gui.getPatchCommitIndex()
+		err := gui.GitCommand.PullPatchIntoIndex(gui.State.Commits, commitIndex, gui.GitCommand.PatchManager)
+		return gui.handleGenericMergeCommandResult(err)
+	})
+}
+
+func (gui *Gui) handleResetPatch() error {
+	gui.GitCommand.PatchManager.Reset()
+	return gui.refreshCommitFilesView()
+}

pkg/gui/presentation/branches.go

@@ -0,0 +1,48 @@
+package presentation
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func GetBranchListDisplayStrings(branches []*commands.Branch, isFocused bool, selectedLine int) [][]string {
+	lines := make([][]string, len(branches))
+
+	for i := range branches {
+		showUpstreamDifferences := isFocused && i == selectedLine
+		lines[i] = getBranchDisplayStrings(branches[i], showUpstreamDifferences)
+	}
+
+	return lines
+}
+
+// getBranchDisplayStrings returns the display string of branch
+func getBranchDisplayStrings(b *commands.Branch, showUpstreamDifferences bool) []string {
+	displayName := utils.ColoredString(b.Name, GetBranchColor(b.Name))
+	if showUpstreamDifferences && b.Pushables != "" && b.Pullables != "" {
+		displayName = fmt.Sprintf("%s ↑%s↓%s", displayName, b.Pushables, b.Pullables)
+	}
+
+	return []string{b.Recency, displayName}
+}
+
+// GetBranchColor branch color
+func GetBranchColor(name string) color.Attribute {
+	branchType := strings.Split(name, "/")[0]
+
+	switch branchType {
+	case "feature":
+		return color.FgGreen
+	case "bugfix":
+		return color.FgYellow
+	case "hotfix":
+		return color.FgRed
+	default:
+		return theme.DefaultTextColor
+	}
+}

pkg/gui/presentation/commit_files.go

@@ -0,0 +1,35 @@
+package presentation
+
+import (
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+)
+
+func GetCommitFileListDisplayStrings(branches []*commands.CommitFile) [][]string {
+	lines := make([][]string, len(branches))
+
+	for i := range branches {
+		lines[i] = getCommitFileDisplayStrings(branches[i])
+	}
+
+	return lines
+}
+
+// getCommitFileDisplayStrings returns the display string of branch
+func getCommitFileDisplayStrings(f *commands.CommitFile) []string {
+	yellow := color.New(color.FgYellow)
+	green := color.New(color.FgGreen)
+	defaultColor := color.New(theme.DefaultTextColor)
+
+	var colour *color.Color
+	switch f.Status {
+	case commands.UNSELECTED:
+		colour = defaultColor
+	case commands.WHOLE:
+		colour = green
+	case commands.PART:
+		colour = yellow
+	}
+	return []string{colour.Sprint(f.DisplayString)}
+}

pkg/gui/presentation/commits.go

@@ -0,0 +1,126 @@
+package presentation
+
+import (
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/theme"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func GetCommitListDisplayStrings(commits []*commands.Commit, fullDescription bool) [][]string {
+	lines := make([][]string, len(commits))
+
+	var displayFunc func(*commands.Commit) []string
+	if fullDescription {
+		displayFunc = getFullDescriptionDisplayStringsForCommit
+	} else {
+		displayFunc = getDisplayStringsForCommit
+	}
+
+	for i := range commits {
+		lines[i] = displayFunc(commits[i])
+	}
+
+	return lines
+}
+
+func getFullDescriptionDisplayStringsForCommit(c *commands.Commit) []string {
+	red := color.New(color.FgRed)
+	yellow := color.New(color.FgYellow)
+	green := color.New(color.FgGreen)
+	blue := color.New(color.FgBlue)
+	cyan := color.New(color.FgCyan)
+	defaultColor := color.New(theme.DefaultTextColor)
+	magenta := color.New(color.FgMagenta)
+
+	// for some reason, setting the background to blue pads out the other commits
+	// horizontally. For the sake of accessibility I'm considering this a feature,
+	// not a bug
+	copied := color.New(color.FgCyan, color.BgBlue)
+
+	var shaColor *color.Color
+	switch c.Status {
+	case "unpushed":
+		shaColor = red
+	case "pushed":
+		shaColor = yellow
+	case "merged":
+		shaColor = green
+	case "rebasing":
+		shaColor = blue
+	case "reflog":
+		shaColor = blue
+	case "selected":
+		shaColor = magenta
+	default:
+		shaColor = defaultColor
+	}
+
+	if c.Copied {
+		shaColor = copied
+	}
+
+	tagString := ""
+	truncatedDate := utils.TruncateWithEllipsis(c.Date, 15)
+	secondColumnString := blue.Sprint(truncatedDate)
+	if c.Action != "" {
+		secondColumnString = cyan.Sprint(c.Action)
+	} else if c.ExtraInfo != "" {
+		tagColor := color.New(color.FgMagenta, color.Bold)
+		tagString = utils.ColoredStringDirect(c.ExtraInfo, tagColor) + " "
+	}
+
+	truncatedAuthor := utils.TruncateWithEllipsis(c.Author, 17)
+
+	return []string{shaColor.Sprint(c.Sha[:8]), secondColumnString, yellow.Sprint(truncatedAuthor), tagString + defaultColor.Sprint(c.Name)}
+}
+
+func getDisplayStringsForCommit(c *commands.Commit) []string {
+	red := color.New(color.FgRed)
+	yellow := color.New(color.FgYellow)
+	green := color.New(color.FgGreen)
+	blue := color.New(color.FgBlue)
+	cyan := color.New(color.FgCyan)
+	defaultColor := color.New(theme.DefaultTextColor)
+	magenta := color.New(color.FgMagenta)
+
+	// for some reason, setting the background to blue pads out the other commits
+	// horizontally. For the sake of accessibility I'm considering this a feature,
+	// not a bug
+	copied := color.New(color.FgCyan, color.BgBlue)
+
+	var shaColor *color.Color
+	switch c.Status {
+	case "unpushed":
+		shaColor = red
+	case "pushed":
+		shaColor = yellow
+	case "merged":
+		shaColor = green
+	case "rebasing":
+		shaColor = blue
+	case "reflog":
+		shaColor = blue
+	case "selected":
+		shaColor = magenta
+	default:
+		shaColor = defaultColor
+	}
+
+	if c.Copied {
+		shaColor = copied
+	}
+
+	actionString := ""
+	tagString := ""
+	if c.Action != "" {
+		actionString = cyan.Sprint(utils.WithPadding(c.Action, 7)) + " "
+	} else if len(c.Tags) > 0 {
+		tagColor := color.New(color.FgMagenta, color.Bold)
+		tagString = utils.ColoredStringDirect(strings.Join(c.Tags, " "), tagColor) + " "
+	}
+
+	return []string{shaColor.Sprint(c.Sha[:8]), actionString + tagString + defaultColor.Sprint(c.Name)}
+}

pkg/gui/presentation/files.go

@@ -0,0 +1,36 @@
+package presentation
+
+import (
+	"github.com/fatih/color"
+	"github.com/jesseduffield/lazygit/pkg/commands"
+)
+
+func GetFileListDisplayStrings(files []*commands.File) [][]string {
+	lines := make([][]string, len(files))
+
+	for i := range files {
+		lines[i] = getFileDisplayStrings(files[i])
+	}
+
+	return lines
+}
+
+// getFileDisplayStrings returns the display string of branch
+func getFileDisplayStrings(f *commands.File) []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/gui/presentation/remote_branches.go

@@ -0,0 +1,23 @@
+package presentation
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/commands"
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+func GetRemoteBranchListDisplayStrings(branches []*commands.RemoteBranch) [][]string {
+	lines := make([][]string, len(branches))
+
+	for i := range branches {
+		lines[i] = getRemoteBranchDisplayStrings(branches[i])
+	}
+
+	return lines
+}
+
+// getRemoteBranchDisplayStrings returns the display string of branch
+func getRemoteBranchDisplayStrings(b *commands.RemoteBranch) []string {
+	displayName := utils.ColoredString(b.Name, GetBranchColor(b.Name))
+
+	return []string{displayName}
+}