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

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

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

Dockerfile

@@ -1,13 +1,14 @@
 # run with:
 # docker build -t lazygit .
-# docker run -it lazygit:latest
+# docker run -it lazygit:latest /bin/sh -l
 
 FROM golang:alpine
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY ./ .
+RUN CGO_ENABLED=0 GOOS=linux go build -o lazygit .
 
+FROM alpine:latest
 RUN apk add -U git xdg-utils
-
-ADD . /go/src/github.com/jesseduffield/lazygit
-
-RUN go install github.com/jesseduffield/lazygit
-
-WORKDIR /go/src/github.com/jesseduffield/lazygit
+WORKDIR /go/src/github.com/jesseduffield/lazygit/
+COPY --from=0 /go/src/github.com/jesseduffield/lazygit/lazygit /bin/
+RUN echo "alias gg=lazygit" >> ~/.profile

Gopkg.lock

@@ -189,11 +189,19 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:66bb9b4a5abb704642fccba52a84a7f7feef2d9623f87b700e52a6695044723f"
+  digest = "1:9b266d7748a5d94985fd9e323494f5b8ae1ab3e910418e898dfe7f03339ddbcd"
   name = "github.com/jesseduffield/gocui"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "03e26ff3f1de2c1bc2205113c3aba661312eee00"
+  revision = "cfa9e452ba5ebf014041846851152d64a59dce14"
+
+[[projects]]
+  branch = "master"
+  digest = "1:a46c2f4863e5284ddb255c28750298e04bc8c0fc896bed6056e947673168b7be"
+  name = "github.com/jesseduffield/pty"
+  packages = ["."]
+  pruneopts = "NUT"
+  revision = "02db52c7e406c7abec44c717a173c7715e4c1b62"
 
 [[projects]]
   branch = "master"
@@ -616,6 +624,7 @@
     "github.com/heroku/rollrus",
     "github.com/jesseduffield/go-getter",
     "github.com/jesseduffield/gocui",
+    "github.com/jesseduffield/pty",
     "github.com/kardianos/osext",
     "github.com/mgutz/str",
     "github.com/nicksnyder/go-i18n/v2/i18n",

Gopkg.toml

@@ -37,6 +37,10 @@
   branch = "master"
   name = "github.com/jesseduffield/gocui"
 
+[[constraint]]
+  branch = "master"
+  name = "github.com/jesseduffield/pty"
+
 [[constraint]]
   name = "gopkg.in/src-d/go-git.v4"
   revision = "43d17e14b714665ab5bc2ecc220b6740779d733f"

README.md

@@ -14,7 +14,7 @@ Jira? This is the app for you!
     [Keybindings](https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md)
   * [Cool Features](https://github.com/jesseduffield/lazygit#cool-features)
   * [Contributing](https://github.com/jesseduffield/lazygit#contributing)
-  * [Video Tutorial](https://www.youtube.com/watch?v=VDXvbHZYeKY)
+  * [Video Tutorial](https://youtu.be/VDXvbHZYeKY)
   * [Twitch Stream](https://www.twitch.tv/jesseduffield)
 
 ## Installation
@@ -69,6 +69,12 @@ and the git version which builds from the most recent commit.
 Instruction of how to install AUR content can be found here:
 https://wiki.archlinux.org/index.php/Arch_User_Repository
 
+### Conda
+Released versions are available for different platforms, see https://anaconda.org/conda-forge/lazygit
+```sh
+conda install -c conda-forge lazygit
+```
+
 ### Binary Release (Windows/Linux/OSX)
 You can download a binary release [here](https://github.com/jesseduffield/lazygit/releases).
 
@@ -88,7 +94,7 @@ Call `lazygit` in your terminal inside a git repository. If you want, you can
 also add an alias for this with `echo "alias lg='lazygit'" >> ~/.zshrc` (or
 whichever rc file you're using).
 
-  * Basic video tutorial [here](https://www.youtube.com/watch?v=VDXvbHZYeKY).
+  * Basic video tutorial [here](https://youtu.be/VDXvbHZYeKY).
   * List of keybindings
 [here](/docs/Keybindings.md).
 

docs/Config.md

@@ -6,6 +6,7 @@
   gui:
     # stuff relating to the UI
     scrollHeight: 2 # how many lines you scroll by
+    scrollPastBottom: true # enable scrolling past the bottom
     theme:
       activeBorderColor:
         - white

go.mod

@@ -18,7 +18,8 @@ require (
 	github.com/heroku/rollrus v0.0.0-20180515183152-fc0cef2ff331
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99
 	github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63
-	github.com/jesseduffield/gocui v0.0.0-20180921065632-03e26ff3f1de
+	github.com/jesseduffield/gocui v0.0.0-20190115084758-cfa9e452ba5e
+	github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406
 	github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb
 	github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8
 	github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1

go.sum

@@ -33,8 +33,10 @@ github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOl
 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
 github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63 h1:Nrr/yUxNjXWYK0B3IqcFlYh1ICnesJDB4ogcfOVc5Ns=
 github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63/go.mod h1:fNqjRf+4XnTo2PrGN1JRb79b/BeoHwP4lU00f39SQY0=
-github.com/jesseduffield/gocui v0.0.0-20180919095827-4fca348422d8 h1:XxX+IqNOFDh1PnU4eZDzUomoKbuKCvwyEm5an/IxLQU=
-github.com/jesseduffield/gocui v0.0.0-20180919095827-4fca348422d8/go.mod h1:2RtZznzYKt8RLRwvFiSkXjU0Ei8WwHdubgnlaYH47dw=
+github.com/jesseduffield/gocui v0.0.0-20181209104758-fe55a32c8a4c h1:jEfh/vAtfF3pQ8xFhpYR/0S4iHo11VfaYelJmzZJm94=
+github.com/jesseduffield/gocui v0.0.0-20181209104758-fe55a32c8a4c/go.mod h1:2RtZznzYKt8RLRwvFiSkXjU0Ei8WwHdubgnlaYH47dw=
+github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406 h1:iYMH6h6SuWuBkIzRtymosE8NpSgTK0oRMfyTdVWgxzc=
+github.com/jesseduffield/pty v0.0.0-20181218102224-02db52c7e406/go.mod h1:7jlS40+UhOqkZJDIG1B/H21xnuET/+fvbbnHCa8wSIo=
 github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb h1:cFHYEWpQEfzFZVKiKZytCUX4UwQixKSw0kd3WhluPsY=
 github.com/jesseduffield/termbox-go v0.0.0-20180919093808-1e272ff78dcb/go.mod h1:anMibpZtqNxjDbxrcDEAwSdaJ37vyUeM1f/M4uekib4=
 github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8 h1:12VvqtR6Aowv3l/EQUlocDHW2Cp4G9WJVH7uyH8QFJE=
@@ -61,8 +63,8 @@ github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699 h1:KXZJFdun
 github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80 h1:7ory6RlsEkeK89iyV7Imz3sVz8YHeSw29w3PehpCWC0=
 github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80/go.mod h1:e4Di5xjP9oTVrC6y3C7C0HoSYXjSbhh/dU0eUV32nB4=
-github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.5 h1:/TjjTS4kg7vC+05gD0LE4+97f/+PRFICnK/7wJPk7kE=
-github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.5/go.mod h1:4Opqa6/HIv0lhG3WRAkqzO0afezkRhxXI0P8EJkqeRU=
+github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.6 h1:SooTCzUOOs899x/M7gmSS+dgL+AUfSWqAcHLN3auCic=
+github.com/nicksnyder/go-i18n/v2 v2.0.0-beta.6/go.mod h1:4Opqa6/HIv0lhG3WRAkqzO0afezkRhxXI0P8EJkqeRU=
 github.com/pelletier/go-buffruneio v0.2.0 h1:U4t4R6YkofJ5xHm3dJzuRpPZ0mr5MMCoAWooScCR7aA=
 github.com/pelletier/go-buffruneio v0.2.0/go.mod h1:JkE26KsDizTr40EUHkXVtNPvgGtbSNq5BcowyYOWdKo=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=

pkg/app/app.go

@@ -4,6 +4,7 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 
 	"github.com/heroku/rollrus"
 	"github.com/jesseduffield/lazygit/pkg/commands"
@@ -11,6 +12,7 @@ import (
 	"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"
 )
 
@@ -33,9 +35,15 @@ func newProductionLogger(config config.AppConfigurer) *logrus.Logger {
 	return log
 }
 
-func newDevelopmentLogger() *logrus.Logger {
+func globalConfigDir() string {
+	configDirs := configdir.New("jesseduffield", "lazygit")
+	configDir := configDirs.QueryFolders(configdir.Global)[0]
+	return configDir.Path
+}
+
+func newDevelopmentLogger(config config.AppConfigurer) *logrus.Logger {
 	log := logrus.New()
-	file, err := os.OpenFile("development.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	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)
 	}
@@ -48,10 +56,15 @@ func newLogger(config config.AppConfigurer) *logrus.Entry {
 	environment := "production"
 	if config.GetDebug() {
 		environment = "development"
-		log = newDevelopmentLogger()
+		log = newDevelopmentLogger(config)
 	} else {
 		log = newProductionLogger(config)
 	}
+
+	// highly recommended: tail -f development.log | humanlog
+	// https://github.com/aybabtme/humanlog
+	log.Formatter = &logrus.JSONFormatter{}
+
 	if config.GetUserConfig().GetString("reporting") == "on" {
 		// this isn't really a secret token: it only has permission to push new rollbar items
 		hook := rollrus.NewHook("23432119147a4367abf7c0de2aa99a2d", environment)

pkg/commands/branch.go

@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/fatih/color"
@@ -10,13 +11,21 @@ import (
 // Branch : A git branch
 // duplicating this for now
 type Branch struct {
-	Name    string
-	Recency string
+	Name      string
+	Recency   string
+	Pushables string
+	Pullables string
+	Selected  bool
 }
 
 // GetDisplayStrings returns the dispaly string of branch
 func (b *Branch) GetDisplayStrings() []string {
-	return []string{b.Recency, utils.ColoredString(b.Name, b.GetColor())}
+	displayName := utils.ColoredString(b.Name, b.GetColor())
+	if b.Selected && b.Pushables != "" && b.Pullables != "" {
+		displayName = fmt.Sprintf("%s ↑%s↓%s", displayName, b.Pushables, b.Pullables)
+	}
+
+	return []string{b.Recency, displayName}
 }
 
 // GetColor branch color

pkg/commands/commit.go

@@ -13,6 +13,7 @@ type Commit struct {
 	DisplayString string
 }
 
+// GetDisplayStrings is a function.
 func (c *Commit) GetDisplayStrings() []string {
 	red := color.New(color.FgRed)
 	yellow := color.New(color.FgGreen)

pkg/commands/exec_live_default.go

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

pkg/commands/exec_live_win.go

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

pkg/commands/git.go

@@ -154,7 +154,6 @@ func (c *GitCommand) GetStatusFiles() []*File {
 		}
 		files = append(files, file)
 	}
-	c.Log.Info(files) // TODO: use a dumper-esque log here
 	return files
 }
 
@@ -208,24 +207,33 @@ func includesInt(list []int, a int) bool {
 	return false
 }
 
-// GetBranchName branch name
-func (c *GitCommand) GetBranchName() (string, error) {
-	return c.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
+// ResetAndClean removes all unstaged changes and removes all untracked files
+func (c *GitCommand) ResetAndClean() error {
+	if err := c.OSCommand.RunCommand("git reset --hard HEAD"); err != nil {
+		return err
+	}
+
+	return c.OSCommand.RunCommand("git clean -fd")
 }
 
-// ResetHard does the equivalent of `git reset --hard HEAD`
-func (c *GitCommand) ResetHard() error {
-	return c.Worktree.Reset(&gogit.ResetOptions{Mode: gogit.HardReset})
+func (c *GitCommand) GetCurrentBranchUpstreamDifferenceCount() (string, string) {
+	return c.GetCommitDifferences("HEAD", "@{u}")
 }
 
-// UpstreamDifferenceCount checks how many pushables/pullables there are for the
+func (c *GitCommand) GetBranchUpstreamDifferenceCount(branchName string) (string, string) {
+	upstream := "origin" // hardcoded for now
+	return c.GetCommitDifferences(branchName, fmt.Sprintf("%s/%s", upstream, branchName))
+}
+
+// GetCommitDifferences checks how many pushables/pullables there are for the
 // current branch
-func (c *GitCommand) UpstreamDifferenceCount() (string, string) {
-	pushableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..HEAD --count")
+func (c *GitCommand) GetCommitDifferences(from, to string) (string, string) {
+	command := "git rev-list %s..%s --count"
+	pushableCount, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf(command, to, from))
 	if err != nil {
 		return "?", "?"
 	}
-	pullableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list HEAD..@{u} --count")
+	pullableCount, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf(command, from, to))
 	if err != nil {
 		return "?", "?"
 	}
@@ -253,8 +261,13 @@ func (c *GitCommand) RenameCommit(name string) error {
 }
 
 // Fetch fetch git repo
-func (c *GitCommand) Fetch() error {
-	return c.OSCommand.RunCommand("git fetch")
+func (c *GitCommand) Fetch(unamePassQuestion func(string) string, canAskForCredentials bool) error {
+	return c.OSCommand.DetectUnamePass("git fetch", func(question string) string {
+		if canAskForCredentials {
+			return unamePassQuestion(question)
+		}
+		return "\n"
+	})
 }
 
 // ResetToCommit reset to commit
@@ -267,12 +280,16 @@ func (c *GitCommand) NewBranch(name string) error {
 	return c.OSCommand.RunCommand(fmt.Sprintf("git checkout -b %s", name))
 }
 
+// CurrentBranchName is a function.
 func (c *GitCommand) CurrentBranchName() (string, error) {
-	output, err := c.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
+	branchName, err := c.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
 	if err != nil {
-		return "", err
+		branchName, err = c.OSCommand.RunCommandWithOutput("git rev-parse --short HEAD")
+		if err != nil {
+			return "", err
+		}
 	}
-	return utils.TrimTrailingNewline(output), nil
+	return utils.TrimTrailingNewline(branchName), nil
 }
 
 // DeleteBranch delete branch
@@ -328,18 +345,19 @@ func (c *GitCommand) Commit(message string, amend bool) (*exec.Cmd, error) {
 }
 
 // Pull pulls from repo
-func (c *GitCommand) Pull() error {
-	return c.OSCommand.RunCommand("git pull --no-edit")
+func (c *GitCommand) Pull(ask func(string) string) error {
+	return c.OSCommand.DetectUnamePass("git pull --no-edit", ask)
 }
 
 // Push pushes to a branch
-func (c *GitCommand) Push(branchName string, force bool) error {
+func (c *GitCommand) Push(branchName string, force bool, ask func(string) string) error {
 	forceFlag := ""
 	if force {
 		forceFlag = "--force-with-lease "
 	}
 
-	return c.OSCommand.RunCommand(fmt.Sprintf("git push %s -u origin %s", forceFlag, branchName))
+	cmd := fmt.Sprintf("git push %s -u origin %s", forceFlag, branchName)
+	return c.OSCommand.DetectUnamePass(cmd, ask)
 }
 
 // SquashPreviousTwoCommits squashes a commit down to the one below it
@@ -486,7 +504,6 @@ func (c *GitCommand) getMergeBase() (string, error) {
 	output, err := c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git merge-base HEAD %s", baseBranch))
 	if err != nil {
 		// swallowing error because it's not a big deal; probably because there are no commits yet
-		c.Log.Error(err)
 	}
 	return output, nil
 }
@@ -572,9 +589,10 @@ func (c *GitCommand) CheckRemoteBranchExists(branch *Branch) bool {
 }
 
 // Diff returns the diff of a file
-func (c *GitCommand) Diff(file *File) string {
+func (c *GitCommand) Diff(file *File, plain bool) string {
 	cachedArg := ""
 	trackedArg := "--"
+	colorArg := "--color"
 	fileName := c.OSCommand.Quote(file.Name)
 	if file.HasStagedChanges && !file.HasUnstagedChanges {
 		cachedArg = "--cached"
@@ -582,9 +600,30 @@ func (c *GitCommand) Diff(file *File) string {
 	if !file.Tracked && !file.HasStagedChanges {
 		trackedArg = "--no-index /dev/null"
 	}
-	command := fmt.Sprintf("git diff --color %s %s %s", cachedArg, trackedArg, fileName)
+	if plain {
+		colorArg = ""
+	}
+
+	command := fmt.Sprintf("git diff %s %s %s %s", colorArg, cachedArg, trackedArg, fileName)
 
 	// for now we assume an error means the file was deleted
 	s, _ := c.OSCommand.RunCommandWithOutput(command)
 	return s
 }
+
+func (c *GitCommand) ApplyPatch(patch string) (string, error) {
+	filename, err := c.OSCommand.CreateTempFile("patch", patch)
+	if err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	defer func() { _ = c.OSCommand.RemoveFile(filename) }()
+
+	return c.OSCommand.RunCommandWithOutput(fmt.Sprintf("git apply --cached %s", filename))
+}
+
+func (c *GitCommand) FastForward(branchName string) error {
+	upstream := "origin" // hardcoding for now
+	return c.OSCommand.RunCommand(fmt.Sprintf("git fetch %s %s:%s", upstream, branchName, branchName))
+}

pkg/commands/git_test.go

@@ -23,26 +23,32 @@ type fileInfoMock struct {
 	sys         interface{}
 }
 
+// Name is a function.
 func (f fileInfoMock) Name() string {
 	return f.name
 }
 
+// Size is a function.
 func (f fileInfoMock) Size() int64 {
 	return f.size
 }
 
+// Mode is a function.
 func (f fileInfoMock) Mode() os.FileMode {
 	return f.fileMode
 }
 
+// ModTime is a function.
 func (f fileInfoMock) ModTime() time.Time {
 	return f.fileModTime
 }
 
+// IsDir is a function.
 func (f fileInfoMock) IsDir() bool {
 	return f.isDir
 }
 
+// Sys is a function.
 func (f fileInfoMock) Sys() interface{} {
 	return f.sys
 }
@@ -64,6 +70,7 @@ func newDummyGitCommand() *GitCommand {
 	}
 }
 
+// TestVerifyInGitRepo is a function.
 func TestVerifyInGitRepo(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -88,7 +95,7 @@ func TestVerifyInGitRepo(t *testing.T) {
 			},
 			func(err error) {
 				assert.Error(t, err)
-				assert.Regexp(t, "fatal: .ot a git repository \\(or any of the parent directories\\): \\.git", err.Error())
+				assert.Regexp(t, `fatal: .ot a git repository \(or any of the parent directories\s?\/?\): \.git`, err.Error())
 			},
 		},
 	}
@@ -100,6 +107,7 @@ func TestVerifyInGitRepo(t *testing.T) {
 	}
 }
 
+// TestNavigateToRepoRootDirectory is a function.
 func TestNavigateToRepoRootDirectory(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -156,6 +164,7 @@ func TestNavigateToRepoRootDirectory(t *testing.T) {
 	}
 }
 
+// TestSetupRepositoryAndWorktree is a function.
 func TestSetupRepositoryAndWorktree(t *testing.T) {
 	type scenario struct {
 		testName          string
@@ -224,6 +233,7 @@ func TestSetupRepositoryAndWorktree(t *testing.T) {
 	}
 }
 
+// TestNewGitCommand is a function.
 func TestNewGitCommand(t *testing.T) {
 	actual, err := os.Getwd()
 	assert.NoError(t, err)
@@ -246,7 +256,7 @@ func TestNewGitCommand(t *testing.T) {
 			},
 			func(gitCmd *GitCommand, err error) {
 				assert.Error(t, err)
-				assert.Regexp(t, "fatal: .ot a git repository \\(or any of the parent directories\\): \\.git", err.Error())
+				assert.Regexp(t, `fatal: .ot a git repository ((\(or any of the parent directories\): \.git)|(\(or any parent up to mount point \/\)))`, err.Error())
 			},
 		},
 		{
@@ -271,6 +281,7 @@ func TestNewGitCommand(t *testing.T) {
 	}
 }
 
+// TestGitCommandGetStashEntries is a function.
 func TestGitCommandGetStashEntries(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -323,6 +334,7 @@ func TestGitCommandGetStashEntries(t *testing.T) {
 	}
 }
 
+// TestGitCommandGetStashEntryDiff is a function.
 func TestGitCommandGetStashEntryDiff(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -337,6 +349,7 @@ func TestGitCommandGetStashEntryDiff(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+// TestGitCommandGetStatusFiles is a function.
 func TestGitCommandGetStatusFiles(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -423,6 +436,7 @@ func TestGitCommandGetStatusFiles(t *testing.T) {
 	}
 }
 
+// TestGitCommandStashDo is a function.
 func TestGitCommandStashDo(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -435,6 +449,7 @@ func TestGitCommandStashDo(t *testing.T) {
 	assert.NoError(t, gitCmd.StashDo(1, "drop"))
 }
 
+// TestGitCommandStashSave is a function.
 func TestGitCommandStashSave(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -447,6 +462,7 @@ func TestGitCommandStashSave(t *testing.T) {
 	assert.NoError(t, gitCmd.StashSave("A stash message"))
 }
 
+// TestGitCommandCommitAmend is a function.
 func TestGitCommandCommitAmend(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -460,6 +476,7 @@ func TestGitCommandCommitAmend(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+// TestGitCommandMergeStatusFiles is a function.
 func TestGitCommandMergeStatusFiles(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -540,7 +557,8 @@ func TestGitCommandMergeStatusFiles(t *testing.T) {
 	}
 }
 
-func TestGitCommandUpstreamDifferentCount(t *testing.T) {
+// TestGitCommandGetCommitDifferences is a function.
+func TestGitCommandGetCommitDifferences(t *testing.T) {
 	type scenario struct {
 		testName string
 		command  func(string, ...string) *exec.Cmd
@@ -592,11 +610,12 @@ func TestGitCommandUpstreamDifferentCount(t *testing.T) {
 		t.Run(s.testName, func(t *testing.T) {
 			gitCmd := newDummyGitCommand()
 			gitCmd.OSCommand.command = s.command
-			s.test(gitCmd.UpstreamDifferenceCount())
+			s.test(gitCmd.GetCommitDifferences("HEAD", "@{u}"))
 		})
 	}
 }
 
+// TestGitCommandGetCommitsToPush is a function.
 func TestGitCommandGetCommitsToPush(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -635,6 +654,7 @@ func TestGitCommandGetCommitsToPush(t *testing.T) {
 	}
 }
 
+// TestGitCommandRenameCommit is a function.
 func TestGitCommandRenameCommit(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -647,6 +667,7 @@ func TestGitCommandRenameCommit(t *testing.T) {
 	assert.NoError(t, gitCmd.RenameCommit("test"))
 }
 
+// TestGitCommandResetToCommit is a function.
 func TestGitCommandResetToCommit(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -659,6 +680,7 @@ func TestGitCommandResetToCommit(t *testing.T) {
 	assert.NoError(t, gitCmd.ResetToCommit("78976bc"))
 }
 
+// TestGitCommandNewBranch is a function.
 func TestGitCommandNewBranch(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -671,6 +693,7 @@ func TestGitCommandNewBranch(t *testing.T) {
 	assert.NoError(t, gitCmd.NewBranch("test"))
 }
 
+// TestGitCommandDeleteBranch is a function.
 func TestGitCommandDeleteBranch(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -720,6 +743,7 @@ func TestGitCommandDeleteBranch(t *testing.T) {
 	}
 }
 
+// TestGitCommandMerge is a function.
 func TestGitCommandMerge(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -732,6 +756,7 @@ func TestGitCommandMerge(t *testing.T) {
 	assert.NoError(t, gitCmd.Merge("test"))
 }
 
+// TestGitCommandUsingGpg is a function.
 func TestGitCommandUsingGpg(t *testing.T) {
 	type scenario struct {
 		testName           string
@@ -825,6 +850,7 @@ func TestGitCommandUsingGpg(t *testing.T) {
 	}
 }
 
+// TestGitCommandCommit is a function.
 func TestGitCommandCommit(t *testing.T) {
 	type scenario struct {
 		testName           string
@@ -894,6 +920,7 @@ func TestGitCommandCommit(t *testing.T) {
 	}
 }
 
+// TestGitCommandCommitAmendFromFiles is a function.
 func TestGitCommandCommitAmendFromFiles(t *testing.T) {
 	type scenario struct {
 		testName           string
@@ -963,6 +990,7 @@ func TestGitCommandCommitAmendFromFiles(t *testing.T) {
 	}
 }
 
+// TestGitCommandPush is a function.
 func TestGitCommandPush(t *testing.T) {
 	type scenario struct {
 		testName  string
@@ -982,7 +1010,7 @@ func TestGitCommandPush(t *testing.T) {
 			},
 			false,
 			func(err error) {
-				assert.Nil(t, err)
+				assert.Contains(t, err.Error(), "error: failed to push some refs")
 			},
 		},
 		{
@@ -995,7 +1023,7 @@ func TestGitCommandPush(t *testing.T) {
 			},
 			true,
 			func(err error) {
-				assert.Nil(t, err)
+				assert.Contains(t, err.Error(), "error: failed to push some refs")
 			},
 		},
 		{
@@ -1003,12 +1031,11 @@ func TestGitCommandPush(t *testing.T) {
 			func(cmd string, args ...string) *exec.Cmd {
 				assert.EqualValues(t, "git", cmd)
 				assert.EqualValues(t, []string{"push", "-u", "origin", "test"}, args)
-
 				return exec.Command("test")
 			},
 			false,
 			func(err error) {
-				assert.Error(t, err)
+				assert.Contains(t, err.Error(), "error: failed to push some refs")
 			},
 		},
 	}
@@ -1017,11 +1044,15 @@ func TestGitCommandPush(t *testing.T) {
 		t.Run(s.testName, func(t *testing.T) {
 			gitCmd := newDummyGitCommand()
 			gitCmd.OSCommand.command = s.command
-			s.test(gitCmd.Push("test", s.forcePush))
+			err := gitCmd.Push("test", s.forcePush, func(passOrUname string) string {
+				return "\n"
+			})
+			s.test(err)
 		})
 	}
 }
 
+// TestGitCommandSquashPreviousTwoCommits is a function.
 func TestGitCommandSquashPreviousTwoCommits(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1085,6 +1116,7 @@ func TestGitCommandSquashPreviousTwoCommits(t *testing.T) {
 	}
 }
 
+// TestGitCommandSquashFixupCommit is a function.
 func TestGitCommandSquashFixupCommit(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1148,6 +1180,7 @@ func TestGitCommandSquashFixupCommit(t *testing.T) {
 	}
 }
 
+// TestGitCommandCatFile is a function.
 func TestGitCommandCatFile(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -1162,6 +1195,7 @@ func TestGitCommandCatFile(t *testing.T) {
 	assert.Equal(t, "test", o)
 }
 
+// TestGitCommandStageFile is a function.
 func TestGitCommandStageFile(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -1174,6 +1208,7 @@ func TestGitCommandStageFile(t *testing.T) {
 	assert.NoError(t, gitCmd.StageFile("test.txt"))
 }
 
+// TestGitCommandUnstageFile is a function.
 func TestGitCommandUnstageFile(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1220,6 +1255,7 @@ func TestGitCommandUnstageFile(t *testing.T) {
 	}
 }
 
+// TestGitCommandIsInMergeState is a function.
 func TestGitCommandIsInMergeState(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1288,6 +1324,7 @@ func TestGitCommandIsInMergeState(t *testing.T) {
 	}
 }
 
+// TestGitCommandRemoveFile is a function.
 func TestGitCommandRemoveFile(t *testing.T) {
 	type scenario struct {
 		testName   string
@@ -1489,6 +1526,7 @@ func TestGitCommandRemoveFile(t *testing.T) {
 	}
 }
 
+// TestGitCommandShow is a function.
 func TestGitCommandShow(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -1502,6 +1540,7 @@ func TestGitCommandShow(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+// TestGitCommandCheckout is a function.
 func TestGitCommandCheckout(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1548,6 +1587,7 @@ func TestGitCommandCheckout(t *testing.T) {
 	}
 }
 
+// TestGitCommandGetBranchGraph is a function.
 func TestGitCommandGetBranchGraph(t *testing.T) {
 	gitCmd := newDummyGitCommand()
 	gitCmd.OSCommand.command = func(cmd string, args ...string) *exec.Cmd {
@@ -1561,6 +1601,7 @@ func TestGitCommandGetBranchGraph(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+// TestGitCommandGetCommits is a function.
 func TestGitCommandGetCommits(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1658,6 +1699,10 @@ func TestGitCommandGetCommits(t *testing.T) {
 					assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
 					// here's where we are returning the error
 					return exec.Command("test")
+				case "rev-parse":
+					assert.EqualValues(t, []string{"rev-parse", "--short", "HEAD"}, args)
+					// here too
+					return exec.Command("test")
 				}
 
 				return nil
@@ -1678,6 +1723,7 @@ func TestGitCommandGetCommits(t *testing.T) {
 	}
 }
 
+// TestGitCommandGetLog is a function.
 func TestGitCommandGetLog(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1720,11 +1766,13 @@ func TestGitCommandGetLog(t *testing.T) {
 	}
 }
 
+// TestGitCommandDiff is a function.
 func TestGitCommandDiff(t *testing.T) {
 	type scenario struct {
 		testName string
 		command  func(string, ...string) *exec.Cmd
 		file     *File
+		plain    bool
 	}
 
 	scenarios := []scenario{
@@ -1741,6 +1789,22 @@ func TestGitCommandDiff(t *testing.T) {
 				HasStagedChanges: false,
 				Tracked:          true,
 			},
+			false,
+		},
+		{
+			"Default case",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+				assert.EqualValues(t, []string{"diff", "--", "test.txt"}, args)
+
+				return exec.Command("echo")
+			},
+			&File{
+				Name:             "test.txt",
+				HasStagedChanges: false,
+				Tracked:          true,
+			},
+			true,
 		},
 		{
 			"All changes staged",
@@ -1756,6 +1820,7 @@ func TestGitCommandDiff(t *testing.T) {
 				HasUnstagedChanges: false,
 				Tracked:            true,
 			},
+			false,
 		},
 		{
 			"File not tracked and file has no staged changes",
@@ -1770,6 +1835,7 @@ func TestGitCommandDiff(t *testing.T) {
 				HasStagedChanges: false,
 				Tracked:          false,
 			},
+			false,
 		},
 	}
 
@@ -1777,11 +1843,12 @@ func TestGitCommandDiff(t *testing.T) {
 		t.Run(s.testName, func(t *testing.T) {
 			gitCmd := newDummyGitCommand()
 			gitCmd.OSCommand.command = s.command
-			gitCmd.Diff(s.file)
+			gitCmd.Diff(s.file, s.plain)
 		})
 	}
 }
 
+// TestGitCommandGetMergeBase is a function.
 func TestGitCommandGetMergeBase(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1871,6 +1938,7 @@ func TestGitCommandGetMergeBase(t *testing.T) {
 	}
 }
 
+// TestGitCommandCurrentBranchName is a function.
 func TestGitCommandCurrentBranchName(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -1883,7 +1951,6 @@ func TestGitCommandCurrentBranchName(t *testing.T) {
 			"says we are on the master branch if we are",
 			func(cmd string, args ...string) *exec.Cmd {
 				assert.Equal(t, "git", cmd)
-				assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
 				return exec.Command("echo", "master")
 			},
 			func(output string, err error) {
@@ -1891,11 +1958,31 @@ func TestGitCommandCurrentBranchName(t *testing.T) {
 				assert.EqualValues(t, "master", output)
 			},
 		},
+		{
+			"falls back to git rev-parse if symbolic-ref fails",
+			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("test")
+				case "rev-parse":
+					assert.EqualValues(t, []string{"rev-parse", "--short", "HEAD"}, args)
+					return exec.Command("echo", "master")
+				}
+
+				return nil
+			},
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.EqualValues(t, "master", output)
+			},
+		},
 		{
 			"bubbles up error if there is one",
 			func(cmd string, args ...string) *exec.Cmd {
 				assert.Equal(t, "git", cmd)
-				assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args)
 				return exec.Command("test")
 			},
 			func(output string, err error) {
@@ -1913,3 +2000,61 @@ func TestGitCommandCurrentBranchName(t *testing.T) {
 		})
 	}
 }
+
+func TestGitCommandApplyPatch(t *testing.T) {
+	type scenario struct {
+		testName string
+		command  func(string, ...string) *exec.Cmd
+		test     func(string, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"valid case",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.Equal(t, "git", cmd)
+				assert.EqualValues(t, []string{"apply", "--cached"}, args[0:2])
+				filename := args[2]
+				content, err := ioutil.ReadFile(filename)
+				assert.NoError(t, err)
+
+				assert.Equal(t, "test", string(content))
+
+				return exec.Command("echo", "done")
+			},
+			func(output string, err error) {
+				assert.NoError(t, err)
+				assert.EqualValues(t, "done\n", output)
+			},
+		},
+		{
+			"command returns error",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.Equal(t, "git", cmd)
+				assert.EqualValues(t, []string{"apply", "--cached"}, args[0:2])
+				filename := args[2]
+				// TODO: Ideally we want to mock out OSCommand here so that we're not
+				// double handling testing it's CreateTempFile functionality,
+				// but it is going to take a bit of work to make a proper mock for it
+				// so I'm leaving it for another PR
+				content, err := ioutil.ReadFile(filename)
+				assert.NoError(t, err)
+
+				assert.Equal(t, "test", string(content))
+
+				return exec.Command("test")
+			},
+			func(output string, err error) {
+				assert.Error(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			gitCmd := newDummyGitCommand()
+			gitCmd.OSCommand.command = s.command
+			s.test(gitCmd.ApplyPatch("test"))
+		})
+	}
+}

pkg/commands/os.go

@@ -2,8 +2,10 @@ package commands
 
 import (
 	"errors"
+	"io/ioutil"
 	"os"
 	"os/exec"
+	"regexp"
 	"strings"
 
 	"github.com/jesseduffield/lazygit/pkg/config"
@@ -56,6 +58,36 @@ func (c *OSCommand) RunCommandWithOutput(command string) (string, error) {
 	)
 }
 
+// RunCommandWithOutputLive runs RunCommandWithOutputLiveWrapper
+func (c *OSCommand) RunCommandWithOutputLive(command string, output func(string) string) error {
+	return RunCommandWithOutputLiveWrapper(c, command, output)
+}
+
+// DetectUnamePass detect a username / password question in a command
+// ask is a function that gets executen when this function detect you need to fillin a password
+// The ask argument will be "username" or "password" and expects the user's password or username back
+func (c *OSCommand) DetectUnamePass(command string, ask func(string) string) error {
+	ttyText := ""
+	errMessage := c.RunCommandWithOutputLive(command, func(word string) string {
+		ttyText = ttyText + " " + word
+
+		prompts := map[string]string{
+			"password": `Password\s*for\s*'.+':`,
+			"username": `Username\s*for\s*'.+':`,
+		}
+
+		for askFor, pattern := range prompts {
+			if match, _ := regexp.MatchString(pattern, ttyText); match {
+				ttyText = ""
+				return ask(askFor)
+			}
+		}
+
+		return ""
+	})
+	return errMessage
+}
+
 // RunCommand runs a command and just returns the error
 func (c *OSCommand) RunCommand(command string) error {
 	_, err := c.RunCommandWithOutput(command)
@@ -109,7 +141,7 @@ func (c *OSCommand) OpenFile(filename string) error {
 	return err
 }
 
-// OpenFile opens a file with the given
+// 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{
@@ -176,3 +208,28 @@ func (c *OSCommand) AppendLineToFile(filename, line string) error {
 	_, err = f.WriteString("\n" + line)
 	return err
 }
+
+// CreateTempFile writes a string to a new temp file and returns the file's name
+func (c *OSCommand) CreateTempFile(filename, content string) (string, error) {
+	tmpfile, err := ioutil.TempFile("", filename)
+	if err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	if _, err := tmpfile.WriteString(content); err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+	if err := tmpfile.Close(); err != nil {
+		c.Log.Error(err)
+		return "", err
+	}
+
+	return tmpfile.Name(), nil
+}
+
+// RemoveFile removes a file at the specified path
+func (c *OSCommand) RemoveFile(filename string) error {
+	return os.Remove(filename)
+}

pkg/commands/os_test.go

@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"testing"
@@ -29,6 +30,7 @@ func newDummyAppConfig() *config.AppConfig {
 	return appConfig
 }
 
+// TestOSCommandRunCommandWithOutput is a function.
 func TestOSCommandRunCommandWithOutput(t *testing.T) {
 	type scenario struct {
 		command string
@@ -56,6 +58,7 @@ func TestOSCommandRunCommandWithOutput(t *testing.T) {
 	}
 }
 
+// TestOSCommandRunCommand is a function.
 func TestOSCommandRunCommand(t *testing.T) {
 	type scenario struct {
 		command string
@@ -76,6 +79,7 @@ func TestOSCommandRunCommand(t *testing.T) {
 	}
 }
 
+// TestOSCommandOpenFile is a function.
 func TestOSCommandOpenFile(t *testing.T) {
 	type scenario struct {
 		filename string
@@ -126,6 +130,7 @@ func TestOSCommandOpenFile(t *testing.T) {
 	}
 }
 
+// TestOSCommandEditFile is a function.
 func TestOSCommandEditFile(t *testing.T) {
 	type scenario struct {
 		filename           string
@@ -255,6 +260,7 @@ func TestOSCommandEditFile(t *testing.T) {
 	}
 }
 
+// TestOSCommandQuote is a function.
 func TestOSCommandQuote(t *testing.T) {
 	osCommand := newDummyOSCommand()
 
@@ -278,7 +284,7 @@ func TestOSCommandQuoteSingleQuote(t *testing.T) {
 	assert.EqualValues(t, expected, actual)
 }
 
-// TestOSCommandQuoteSingleQuote tests the quote function with " quotes explicitly for Linux
+// TestOSCommandQuoteDoubleQuote tests the quote function with " quotes explicitly for Linux
 func TestOSCommandQuoteDoubleQuote(t *testing.T) {
 	osCommand := newDummyOSCommand()
 
@@ -291,6 +297,7 @@ func TestOSCommandQuoteDoubleQuote(t *testing.T) {
 	assert.EqualValues(t, expected, actual)
 }
 
+// TestOSCommandUnquote is a function.
 func TestOSCommandUnquote(t *testing.T) {
 	osCommand := newDummyOSCommand()
 
@@ -301,6 +308,7 @@ func TestOSCommandUnquote(t *testing.T) {
 	assert.EqualValues(t, expected, actual)
 }
 
+// TestOSCommandFileType is a function.
 func TestOSCommandFileType(t *testing.T) {
 	type scenario struct {
 		path  string
@@ -357,3 +365,34 @@ func TestOSCommandFileType(t *testing.T) {
 		_ = 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/pull_request_test.go

@@ -8,6 +8,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+// TestGetRepoInfoFromURL is a function.
 func TestGetRepoInfoFromURL(t *testing.T) {
 	type scenario struct {
 		testName string
@@ -41,6 +42,7 @@ func TestGetRepoInfoFromURL(t *testing.T) {
 	}
 }
 
+// TestCreatePullRequest is a function.
 func TestCreatePullRequest(t *testing.T) {
 	type scenario struct {
 		testName string

pkg/config/app_config.go

@@ -20,6 +20,7 @@ type AppConfig struct {
 	BuildSource string `long:"build-source" env:"BUILD_SOURCE" default:""`
 	UserConfig  *viper.Viper
 	AppState    *AppState
+	IsNewRepo   bool
 }
 
 // AppConfigurer interface allows individual app config structs to inherit Fields
@@ -36,6 +37,8 @@ type AppConfigurer interface {
 	WriteToUserConfig(string, string) error
 	SaveAppState() error
 	LoadAppState() error
+	SetIsNewRepo(bool)
+	GetIsNewRepo() bool
 }
 
 // NewAppConfig makes a new app config
@@ -54,6 +57,7 @@ func NewAppConfig(name, version, commit, date string, buildSource string, debugg
 		BuildSource: buildSource,
 		UserConfig:  userConfig,
 		AppState:    &AppState{},
+		IsNewRepo:   false,
 	}
 
 	if err := appConfig.LoadAppState(); err != nil {
@@ -63,6 +67,16 @@ func NewAppConfig(name, version, commit, date string, buildSource string, debugg
 	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
@@ -153,7 +167,7 @@ func prepareConfigFile(filename string) (string, error) {
 }
 
 // LoadAndMergeFile Loads the config/state file, creating
-// the file as an empty one if it does not exist
+// the file has an empty one if it does not exist
 func LoadAndMergeFile(v *viper.Viper, filename string) error {
 	configPath, err := prepareConfigFile(filename)
 	if err != nil {
@@ -214,6 +228,7 @@ func GetDefaultConfig() []byte {
 		`gui:
   ## stuff relating to the UI
   scrollHeight: 2
+  scrollPastBottom: true
   theme:
     activeBorderColor:
       - white
@@ -241,9 +256,9 @@ type AppState struct {
 
 func getDefaultAppState() []byte {
 	return []byte(`
-  lastUpdateCheck: 0
-  recentRepos: []
-`)
+    lastUpdateCheck: 0
+    recentRepos: []
+  `)
 }
 
 // // commenting this out until we use it again

pkg/git/branch_list_builder.go

@@ -35,16 +35,12 @@ func NewBranchListBuilder(log *logrus.Entry, gitCommand *commands.GitCommand) (*
 }
 
 func (b *BranchListBuilder) obtainCurrentBranch() *commands.Branch {
-	// I used go-git for this, but that breaks if you've just done a git init,
-	// even though you're on 'master'
-	branchName, err := b.GitCommand.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
+	branchName, err := b.GitCommand.CurrentBranchName()
 	if err != nil {
-		branchName, err = b.GitCommand.OSCommand.RunCommandWithOutput("git rev-parse --short HEAD")
-		if err != nil {
-			panic(err.Error())
-		}
+		panic(err.Error())
 	}
-	return &commands.Branch{Name: strings.TrimSpace(branchName), Recency: "  *"}
+
+	return &commands.Branch{Name: strings.TrimSpace(branchName)}
 }
 
 func (b *BranchListBuilder) obtainReflogBranches() []*commands.Branch {
@@ -61,7 +57,7 @@ func (b *BranchListBuilder) obtainReflogBranches() []*commands.Branch {
 		branch := &commands.Branch{Name: branchName, Recency: timeNumber + timeUnit}
 		branches = append(branches, branch)
 	}
-	return branches
+	return uniqueByName(branches)
 }
 
 func (b *BranchListBuilder) obtainSafeBranches() []*commands.Branch {
@@ -103,11 +99,8 @@ func (b *BranchListBuilder) Build() []*commands.Branch {
 	branches := make([]*commands.Branch, 0)
 	head := b.obtainCurrentBranch()
 	safeBranches := b.obtainSafeBranches()
-	if len(safeBranches) == 0 {
-		return append(branches, head)
-	}
+
 	reflogBranches := b.obtainReflogBranches()
-	reflogBranches = uniqueByName(append([]*commands.Branch{head}, reflogBranches...))
 	for i, reflogBranch := range reflogBranches {
 		reflogBranches[i].Name = sanitisedReflogName(reflogBranch, safeBranches)
 	}
@@ -115,6 +108,12 @@ func (b *BranchListBuilder) Build() []*commands.Branch {
 	branches = b.appendNewBranches(branches, reflogBranches, safeBranches, true)
 	branches = b.appendNewBranches(branches, safeBranches, branches, false)
 
+	if len(branches) == 0 || branches[0].Name != head.Name {
+		branches = append([]*commands.Branch{head}, branches...)
+	}
+
+	branches[0].Recency = "  *"
+
 	return branches
 }
 

pkg/git/patch_modifier.go

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

pkg/git/patch_modifier_test.go

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

pkg/git/patch_parser.go

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

pkg/git/patch_parser_test.go

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

pkg/git/testdata/addedFile.diff

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

pkg/git/testdata/testPatchAfter1.diff

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

pkg/git/testdata/testPatchAfter2.diff

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

pkg/git/testdata/testPatchAfter3.diff

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

pkg/git/testdata/testPatchAfter4.diff

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

pkg/git/testdata/testPatchBefore.diff

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

pkg/git/testdata/testPatchBefore2.diff

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

pkg/gui/branches_panel.go

@@ -7,25 +7,116 @@ import (
 	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/commands"
 	"github.com/jesseduffield/lazygit/pkg/git"
-	"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 {
+	// This really shouldn't happen: there should always be a master branch
+	if len(gui.State.Branches) == 0 {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoBranchesThisRepo"))
+	}
+	branch := gui.getSelectedBranch()
+	if err := gui.focusPoint(0, gui.State.Panels.Branches.SelectedLine, v); err != nil {
+		return err
+	}
+	go func() {
+		_ = gui.RenderSelectedBranchUpstreamDifferences()
+	}()
+	go func() {
+		graph, err := gui.GitCommand.GetBranchGraph(branch.Name)
+		if err != nil && strings.HasPrefix(graph, "fatal: ambiguous argument") {
+			graph = gui.Tr.SLocalize("NoTrackingThisBranch")
+		}
+		_ = gui.renderString(g, "main", graph)
+	}()
+	return nil
+}
+
+func (gui *Gui) RenderSelectedBranchUpstreamDifferences() error {
+	// here we tell the selected branch that it is selected.
+	// this is necessary for showing stats on a branch that is selected, because
+	// the displaystring function doesn't have access to gui state to tell if it's selected
+	for i, branch := range gui.State.Branches {
+		branch.Selected = i == gui.State.Panels.Branches.SelectedLine
+	}
+
+	branch := gui.getSelectedBranch()
+	branch.Pushables, branch.Pullables = gui.GitCommand.GetBranchUpstreamDifferenceCount(branch.Name)
+	return gui.renderListPanel(gui.getBranchesView(gui.g), gui.State.Branches)
+}
+
+// gui.refreshStatus is called at the end of this because that's when we can
+// be sure there is a state.Branches array to pick the current branch from
+func (gui *Gui) refreshBranches(g *gocui.Gui) error {
+	g.Update(func(g *gocui.Gui) error {
+		builder, err := git.NewBranchListBuilder(gui.Log, gui.GitCommand)
+		if err != nil {
+			return err
+		}
+		gui.State.Branches = builder.Build()
+
+		gui.refreshSelectedLine(&gui.State.Panels.Branches.SelectedLine, len(gui.State.Branches))
+		if err := gui.resetOrigin(gui.getBranchesView(gui.g)); err != nil {
+			return err
+		}
+		if err := gui.RenderSelectedBranchUpstreamDifferences(); err != nil {
+			return err
+		}
+
+		return gui.refreshStatus(g)
+	})
+	return nil
+}
+
+func (gui *Gui) handleBranchesNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Branches
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Branches), false)
+	return gui.handleBranchSelect(gui.g, v)
+}
+
+func (gui *Gui) handleBranchesPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Branches
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Branches), true)
+
+	return gui.handleBranchSelect(gui.g, v)
+}
+
+// specific functions
+
 func (gui *Gui) handleBranchPress(g *gocui.Gui, v *gocui.View) error {
-	index := gui.getItemPosition(gui.getBranchesView(g))
-	if index == 0 {
+	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(gui.getBranchesView(g))
+	branch := gui.getSelectedBranch()
 	if err := gui.GitCommand.Checkout(branch.Name, false); err != nil {
-		gui.createErrorPanel(g, err.Error())
+		if err := gui.createErrorPanel(g, err.Error()); err != nil {
+			return err
+		}
+	} else {
+		gui.State.Panels.Branches.SelectedLine = 0
 	}
+
 	return gui.refreshSidePanels(g)
 }
 
 func (gui *Gui) handleCreatePullRequestPress(g *gocui.Gui, v *gocui.View) error {
-	branch := gui.getSelectedBranch(gui.getBranchesView(g))
 	pullRequest := commands.NewPullRequest(gui.GitCommand)
 
+	branch := gui.getSelectedBranch()
 	if err := pullRequest.Create(branch); err != nil {
 		return gui.createErrorPanel(g, err.Error())
 	}
@@ -33,8 +124,19 @@ func (gui *Gui) handleCreatePullRequestPress(g *gocui.Gui, v *gocui.View) error
 	return nil
 }
 
+func (gui *Gui) handleGitFetch(g *gocui.Gui, v *gocui.View) error {
+	if err := gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("FetchWait")); err != nil {
+		return err
+	}
+	go func() {
+		unamePassOpend, err := gui.fetch(g, v, true)
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
+	}()
+	return nil
+}
+
 func (gui *Gui) handleForceCheckout(g *gocui.Gui, v *gocui.View) error {
-	branch := gui.getSelectedBranch(v)
+	branch := gui.getSelectedBranch()
 	message := gui.Tr.SLocalize("SureForceCheckout")
 	title := gui.Tr.SLocalize("ForceCheckoutBranch")
 	return gui.createConfirmationPanel(g, v, title, message, func(g *gocui.Gui, v *gocui.View) error {
@@ -82,8 +184,11 @@ func (gui *Gui) handleForceDeleteBranch(g *gocui.Gui, v *gocui.View) error {
 }
 
 func (gui *Gui) deleteBranch(g *gocui.Gui, v *gocui.View, force bool) error {
+	selectedBranch := gui.getSelectedBranch()
+	if selectedBranch == nil {
+		return nil
+	}
 	checkedOutBranch := gui.State.Branches[0]
-	selectedBranch := gui.getSelectedBranch(v)
 	if checkedOutBranch.Name == selectedBranch.Name {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantDeleteCheckOutBranch"))
 	}
@@ -92,14 +197,14 @@ func (gui *Gui) deleteBranch(g *gocui.Gui, v *gocui.View, force bool) error {
 
 func (gui *Gui) deleteNamedBranch(g *gocui.Gui, v *gocui.View, selectedBranch *commands.Branch, force bool) error {
 	title := gui.Tr.SLocalize("DeleteBranch")
-	var messageId string
+	var messageID string
 	if force {
-		messageId = "ForceDeleteBranchMessage"
+		messageID = "ForceDeleteBranchMessage"
 	} else {
-		messageId = "DeleteBranchMessage"
+		messageID = "DeleteBranchMessage"
 	}
 	message := gui.Tr.TemplateLocalize(
-		messageId,
+		messageID,
 		Teml{
 			"selectedBranchName": selectedBranch.Name,
 		},
@@ -109,9 +214,8 @@ func (gui *Gui) deleteNamedBranch(g *gocui.Gui, v *gocui.View, selectedBranch *c
 			errMessage := err.Error()
 			if !force && strings.Contains(errMessage, "is not fully merged") {
 				return gui.deleteNamedBranch(g, v, selectedBranch, true)
-			} else {
-				return gui.createErrorPanel(g, errMessage)
 			}
+			return gui.createErrorPanel(g, errMessage)
 		}
 		return gui.refreshSidePanels(g)
 	}, nil)
@@ -119,7 +223,7 @@ func (gui *Gui) deleteNamedBranch(g *gocui.Gui, v *gocui.View, selectedBranch *c
 
 func (gui *Gui) handleMerge(g *gocui.Gui, v *gocui.View) error {
 	checkedOutBranch := gui.State.Branches[0]
-	selectedBranch := gui.getSelectedBranch(v)
+	selectedBranch := gui.getSelectedBranch()
 	defer gui.refreshSidePanels(g)
 	if checkedOutBranch.Name == selectedBranch.Name {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantMergeBranchIntoItself"))
@@ -130,59 +234,36 @@ func (gui *Gui) handleMerge(g *gocui.Gui, v *gocui.View) error {
 	return nil
 }
 
-func (gui *Gui) getSelectedBranch(v *gocui.View) *commands.Branch {
-	lineNumber := gui.getItemPosition(v)
-	return gui.State.Branches[lineNumber]
-}
-
-func (gui *Gui) renderBranchesOptions(g *gocui.Gui) error {
-	return gui.renderGlobalOptions(g)
-}
-
-// may want to standardise how these select methods work
-func (gui *Gui) handleBranchSelect(g *gocui.Gui, v *gocui.View) error {
-	if err := gui.renderBranchesOptions(g); err != nil {
-		return err
+func (gui *Gui) handleFastForward(g *gocui.Gui, v *gocui.View) error {
+	branch := gui.getSelectedBranch()
+	if branch == nil {
+		return nil
 	}
-	// This really shouldn't happen: there should always be a master branch
-	if len(gui.State.Branches) == 0 {
-		return gui.renderString(g, "main", gui.Tr.SLocalize("NoBranchesThisRepo"))
+	if branch.Pushables == "" {
+		return nil
 	}
+	if branch.Pushables == "?" {
+		return gui.createErrorPanel(gui.g, "Cannot fast-forward a branch with no upstream")
+	}
+	if branch.Pushables != "0" {
+		return gui.createErrorPanel(gui.g, "Cannot fast-forward a branch with commits to push")
+	}
+	upstream := "origin" // hardcoding for now
+	message := gui.Tr.TemplateLocalize(
+		"Fetching",
+		Teml{
+			"from": fmt.Sprintf("%s/%s", upstream, branch.Name),
+			"to":   branch.Name,
+		},
+	)
 	go func() {
-		branch := gui.getSelectedBranch(v)
-		diff, err := gui.GitCommand.GetBranchGraph(branch.Name)
-		if err != nil && strings.HasPrefix(diff, "fatal: ambiguous argument") {
-			diff = gui.Tr.SLocalize("NoTrackingThisBranch")
+		_ = gui.createMessagePanel(gui.g, v, "", message)
+		if err := gui.GitCommand.FastForward(branch.Name); err != nil {
+			_ = gui.createErrorPanel(gui.g, err.Error())
+		} else {
+			_ = gui.closeConfirmationPrompt(gui.g)
+			_ = gui.RenderSelectedBranchUpstreamDifferences()
 		}
-		gui.renderString(g, "main", diff)
 	}()
 	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 {
-	g.Update(func(g *gocui.Gui) error {
-		v, err := g.View("branches")
-		if err != nil {
-			panic(err)
-		}
-		builder, err := git.NewBranchListBuilder(gui.Log, gui.GitCommand)
-		if err != nil {
-			return err
-		}
-		gui.State.Branches = builder.Build()
-
-		v.Clear()
-		list, err := utils.RenderList(gui.State.Branches)
-		if err != nil {
-			return err
-		}
-
-		fmt.Fprint(v, list)
-
-		gui.resetOrigin(v)
-		return gui.refreshStatus(g)
-	})
-	return nil
-}

pkg/gui/commit_message_panel.go

@@ -23,12 +23,12 @@ func (gui *Gui) handleCommitConfirm(g *gocui.Gui, v *gocui.View) error {
 		gui.SubProcess = sub
 		return gui.Errors.ErrSubProcess
 	}
-	gui.refreshFiles(g)
 	v.Clear()
-	v.SetCursor(0, 0)
-	g.SetViewOnBottom("commitMessage")
-	gui.switchFocus(g, v, gui.getFilesView(g))
-	return gui.refreshCommits(g)
+	_ = v.SetCursor(0, 0)
+	_ = v.SetOrigin(0, 0)
+	_, _ = g.SetViewOnBottom("commitMessage")
+	_ = gui.switchFocus(g, v, gui.getFilesView(g))
+	return gui.refreshSidePanels(g)
 }
 
 func (gui *Gui) handleCommitClose(g *gocui.Gui, v *gocui.View) error {
@@ -82,6 +82,7 @@ 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

pkg/gui/commits_panel.go

@@ -9,29 +9,54 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
+// list panel functions
+
+func (gui *Gui) getSelectedCommit(g *gocui.Gui) *commands.Commit {
+	selectedLine := gui.State.Panels.Commits.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.Commits[selectedLine]
+}
+
+func (gui *Gui) handleCommitSelect(g *gocui.Gui, v *gocui.View) error {
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoCommitsThisBranch"))
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Commits.SelectedLine, v); err != nil {
+		return err
+	}
+	commitText, err := gui.GitCommand.Show(commit.Sha)
+	if err != nil {
+		return err
+	}
+	return gui.renderString(g, "main", commitText)
+}
+
 func (gui *Gui) refreshCommits(g *gocui.Gui) error {
 	g.Update(func(*gocui.Gui) error {
 		commits, err := gui.GitCommand.GetCommits()
 		if err != nil {
 			return err
 		}
-
 		gui.State.Commits = commits
-		v, err := g.View("commits")
-		if err != nil {
-			return err
-		}
 
-		v.Clear()
+		gui.refreshSelectedLine(&gui.State.Panels.Commits.SelectedLine, len(gui.State.Commits))
 
 		list, err := utils.RenderList(gui.State.Commits)
 		if err != nil {
 			return err
 		}
+
+		v := gui.getCommitsView(gui.g)
+		v.Clear()
 		fmt.Fprint(v, list)
 
 		gui.refreshStatus(g)
-		if g.CurrentView().Name() == "commits" {
+		if v == g.CurrentView() {
 			gui.handleCommitSelect(g, v)
 		}
 		return nil
@@ -39,11 +64,27 @@ func (gui *Gui) refreshCommits(g *gocui.Gui) error {
 	return nil
 }
 
+func (gui *Gui) handleCommitsNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Commits
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Commits), false)
+
+	return gui.handleCommitSelect(gui.g, v)
+}
+
+func (gui *Gui) handleCommitsPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Commits
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Commits), true)
+
+	return gui.handleCommitSelect(gui.g, v)
+}
+
+// specific functions
+
 func (gui *Gui) handleResetToCommit(g *gocui.Gui, commitView *gocui.View) error {
 	return gui.createConfirmationPanel(g, commitView, gui.Tr.SLocalize("ResetToCommit"), gui.Tr.SLocalize("SureResetThisCommit"), func(g *gocui.Gui, v *gocui.View) error {
-		commit, err := gui.getSelectedCommit(g)
-		if err != nil {
-			panic(err)
+		commit := gui.getSelectedCommit(g)
+		if commit == nil {
+			panic(errors.New(gui.Tr.SLocalize("NoCommitsThisBranch")))
 		}
 		if err := gui.GitCommand.ResetToCommit(commit.Sha); err != nil {
 			return gui.createErrorPanel(g, err.Error())
@@ -55,42 +96,21 @@ func (gui *Gui) handleResetToCommit(g *gocui.Gui, commitView *gocui.View) error
 			panic(err)
 		}
 		gui.resetOrigin(commitView)
-		return gui.handleCommitSelect(g, nil)
+		gui.State.Panels.Commits.SelectedLine = 0
+		return gui.handleCommitSelect(g, commitView)
 	}, nil)
 }
 
-func (gui *Gui) renderCommitsOptions(g *gocui.Gui) error {
-	return gui.renderGlobalOptions(g)
-}
-
-func (gui *Gui) handleCommitSelect(g *gocui.Gui, v *gocui.View) error {
-	if err := gui.renderCommitsOptions(g); err != nil {
-		return err
-	}
-	commit, err := gui.getSelectedCommit(g)
-	if err != nil {
-		if err.Error() != gui.Tr.SLocalize("NoCommitsThisBranch") {
-			return err
-		}
-		return gui.renderString(g, "main", gui.Tr.SLocalize("NoCommitsThisBranch"))
-	}
-	commitText, err := gui.GitCommand.Show(commit.Sha)
-	if err != nil {
-		return err
-	}
-	return gui.renderString(g, "main", commitText)
-}
-
 func (gui *Gui) handleCommitSquashDown(g *gocui.Gui, v *gocui.View) error {
-	if gui.getItemPosition(v) != 0 {
+	if gui.State.Panels.Commits.SelectedLine != 0 {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("OnlySquashTopmostCommit"))
 	}
-	if len(gui.State.Commits) == 1 {
+	if len(gui.State.Commits) <= 1 {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("YouNoCommitsToSquash"))
 	}
-	commit, err := gui.getSelectedCommit(g)
-	if err != nil {
-		return err
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return errors.New(gui.Tr.SLocalize("NoCommitsThisBranch"))
 	}
 	if err := gui.GitCommand.SquashPreviousTwoCommits(commit.Name); err != nil {
 		return gui.createErrorPanel(g, err.Error())
@@ -113,16 +133,16 @@ func (gui *Gui) anyUnStagedChanges(files []*commands.File) bool {
 }
 
 func (gui *Gui) handleCommitFixup(g *gocui.Gui, v *gocui.View) error {
-	if len(gui.State.Commits) == 1 {
+	if len(gui.State.Commits) <= 1 {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("YouNoCommitsToSquash"))
 	}
 	if gui.anyUnStagedChanges(gui.State.Files) {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("CantFixupWhileUnstagedChanges"))
 	}
 	branch := gui.State.Branches[0]
-	commit, err := gui.getSelectedCommit(g)
-	if err != nil {
-		return err
+	commit := gui.getSelectedCommit(g)
+	if commit == nil {
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoCommitsThisBranch"))
 	}
 	message := gui.Tr.SLocalize("SureFixupThisCommit")
 	gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("Fixup"), message, func(g *gocui.Gui, v *gocui.View) error {
@@ -138,7 +158,7 @@ func (gui *Gui) handleCommitFixup(g *gocui.Gui, v *gocui.View) error {
 }
 
 func (gui *Gui) handleRenameCommit(g *gocui.Gui, v *gocui.View) error {
-	if gui.getItemPosition(gui.getCommitsView(g)) != 0 {
+	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 {
@@ -153,7 +173,7 @@ func (gui *Gui) handleRenameCommit(g *gocui.Gui, v *gocui.View) error {
 }
 
 func (gui *Gui) handleRenameCommitEditor(g *gocui.Gui, v *gocui.View) error {
-	if gui.getItemPosition(gui.getCommitsView(g)) != 0 {
+	if gui.State.Panels.Commits.SelectedLine != 0 {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("OnlyRenameTopCommit"))
 	}
 
@@ -164,19 +184,3 @@ func (gui *Gui) handleRenameCommitEditor(g *gocui.Gui, v *gocui.View) error {
 
 	return nil
 }
-
-func (gui *Gui) getSelectedCommit(g *gocui.Gui) (*commands.Commit, error) {
-	v, err := g.View("commits")
-	if err != nil {
-		panic(err)
-	}
-	if len(gui.State.Commits) == 0 {
-		return &commands.Commit{}, errors.New(gui.Tr.SLocalize("NoCommitsThisBranch"))
-	}
-	lineNumber := gui.getItemPosition(v)
-	if lineNumber > len(gui.State.Commits)-1 {
-		gui.Log.Info(gui.Tr.SLocalize("PotentialErrInGetselectedCommit"), gui.State.Commits, lineNumber)
-		return gui.State.Commits[len(gui.State.Commits)-1], nil
-	}
-	return gui.State.Commits[lineNumber], nil
-}

pkg/gui/confirmation_panel.go

@@ -8,6 +8,7 @@ package gui
 
 import (
 	"strings"
+	"time"
 
 	"github.com/fatih/color"
 	"github.com/jesseduffield/gocui"
@@ -27,7 +28,7 @@ func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.Vie
 func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui) error {
 	view, err := g.View("confirmation")
 	if err != nil {
-		panic(err)
+		return nil // if it's already been closed we can just return
 	}
 	if err := gui.returnFocus(g, view); err != nil {
 		panic(err)
@@ -36,19 +37,24 @@ func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui) error {
 	return g.DeleteView("confirmation")
 }
 
-func (gui *Gui) getMessageHeight(message string, width int) int {
+func (gui *Gui) getMessageHeight(wrap bool, message string, width int) int {
 	lines := strings.Split(message, "\n")
 	lineCount := 0
-	for _, line := range lines {
-		lineCount += len(line)/width + 1
+	// 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, prompt string) (int, int, int, int) {
+func (gui *Gui) getConfirmationPanelDimensions(g *gocui.Gui, wrap bool, prompt string) (int, int, int, int) {
 	width, height := g.Size()
 	panelWidth := width / 2
-	panelHeight := gui.getMessageHeight(prompt, panelWidth)
+	panelHeight := gui.getMessageHeight(wrap, prompt, panelWidth)
 	return width/2 - panelWidth/2,
 		height/2 - panelHeight/2 - panelHeight%2 - 1,
 		width/2 + panelWidth/2,
@@ -66,27 +72,29 @@ func (gui *Gui) createPromptPanel(g *gocui.Gui, currentView *gocui.View, title s
 }
 
 func (gui *Gui) prepareConfirmationPanel(currentView *gocui.View, title, prompt string) (*gocui.View, error) {
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, prompt)
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, true, prompt)
 	confirmationView, err := gui.g.SetView("confirmation", x0, y0, x1, y1, 0)
 	if err != nil {
 		if err != gocui.ErrUnknownView {
 			return nil, err
 		}
 		confirmationView.Title = title
+		confirmationView.Wrap = true
 		confirmationView.FgColor = gocui.ColorWhite
 	}
-	confirmationView.Clear()
-
-	if err := gui.switchFocus(gui.g, currentView, confirmationView); err != nil {
-		return nil, err
-	}
+	gui.g.Update(func(g *gocui.Gui) error {
+		confirmationView.Clear()
+		return gui.switchFocus(gui.g, currentView, confirmationView)
+	})
 	return confirmationView, nil
 }
 
 func (gui *Gui) onNewPopupPanel() {
-	gui.g.SetViewOnBottom("commitMessage")
+	_, _ = gui.g.SetViewOnBottom("commitMessage")
+	_, _ = gui.g.SetViewOnBottom("credentials")
 }
 
+// it is very important that within this function we never include the original prompt in any error messages, because it may contain e.g. a user password
 func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
 	gui.onNewPopupPanel()
 	g.Update(func(g *gocui.Gui) error {
@@ -136,10 +144,27 @@ func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title,
 	return gui.createConfirmationPanel(g, currentView, title, prompt, nil, nil)
 }
 
-func (gui *Gui) createErrorPanel(g *gocui.Gui, message string) error {
-	gui.Log.Error(message)
-	currentView := g.CurrentView()
+// 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(g, currentView, gui.Tr.SLocalize("Error"), coloredMessage, nil, nil)
+	return gui.createConfirmationPanel(gui.g, nextView, gui.Tr.SLocalize("Error"), coloredMessage, nil, nil)
+}
+
+func (gui *Gui) createErrorPanel(g *gocui.Gui, message string) error {
+	return gui.createSpecificErrorPanel(message, g.CurrentView(), true)
 }

pkg/gui/credentials_panel.go

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

pkg/gui/files_panel.go

@@ -15,6 +15,89 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
+// list panel functions
+
+func (gui *Gui) getSelectedFile(g *gocui.Gui) (*commands.File, error) {
+	selectedLine := gui.State.Panels.Files.SelectedLine
+	if selectedLine == -1 {
+		return &commands.File{}, gui.Errors.ErrNoFiles
+	}
+
+	return gui.State.Files[selectedLine], nil
+}
+
+func (gui *Gui) handleFileSelect(g *gocui.Gui, v *gocui.View, alreadySelected bool) error {
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoChangedFiles"))
+	}
+
+	if file.HasMergeConflicts {
+		return gui.refreshMergePanel(g)
+	}
+
+	if err := gui.focusPoint(0, gui.State.Panels.Files.SelectedLine, v); err != nil {
+		return err
+	}
+
+	content := gui.GitCommand.Diff(file, false)
+	if alreadySelected {
+		g.Update(func(*gocui.Gui) error {
+			return gui.setViewContent(gui.g, gui.getMainView(gui.g), content)
+		})
+		return nil
+	}
+	return gui.renderString(g, "main", content)
+}
+
+func (gui *Gui) refreshFiles(g *gocui.Gui) error {
+	selectedFile, _ := gui.getSelectedFile(gui.g)
+
+	filesView, err := g.View("files")
+	if err != nil {
+		return err
+	}
+	gui.refreshStateFiles()
+
+	gui.g.Update(func(g *gocui.Gui) error {
+
+		filesView.Clear()
+		list, err := utils.RenderList(gui.State.Files)
+		if err != nil {
+			return err
+		}
+		fmt.Fprint(filesView, list)
+
+		if filesView == g.CurrentView() {
+			newSelectedFile, _ := gui.getSelectedFile(gui.g)
+			alreadySelected := newSelectedFile.Name == selectedFile.Name
+			return gui.handleFileSelect(g, filesView, alreadySelected)
+		}
+		return nil
+	})
+
+	return nil
+}
+
+func (gui *Gui) handleFilesNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Files
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Files), false)
+
+	return gui.handleFileSelect(gui.g, v, false)
+}
+
+func (gui *Gui) handleFilesPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Files
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.Files), true)
+
+	return gui.handleFileSelect(gui.g, v, false)
+}
+
+// specific functions
+
 func (gui *Gui) stagedFiles() []*commands.File {
 	files := gui.State.Files
 	result := make([]*commands.File, 0)
@@ -45,6 +128,28 @@ func (gui *Gui) stageSelectedFile(g *gocui.Gui) error {
 	return gui.GitCommand.StageFile(file.Name)
 }
 
+func (gui *Gui) handleSwitchToStagingPanel(g *gocui.Gui, v *gocui.View) error {
+	stagingView, err := g.View("staging")
+	if err != nil {
+		return err
+	}
+	file, err := gui.getSelectedFile(g)
+	if err != nil {
+		if err != gui.Errors.ErrNoFiles {
+			return err
+		}
+		return nil
+	}
+	if !file.HasUnstagedChanges {
+		gui.Log.WithField("staging", "staging").Info("making error panel")
+		return gui.createErrorPanel(g, gui.Tr.SLocalize("FileStagingRequirements"))
+	}
+	if err := gui.switchFocus(g, v, stagingView); err != nil {
+		return err
+	}
+	return gui.refreshStagingPanel()
+}
+
 func (gui *Gui) handleFilePress(g *gocui.Gui, v *gocui.View) error {
 	file, err := gui.getSelectedFile(g)
 	if err != nil {
@@ -68,7 +173,7 @@ func (gui *Gui) handleFilePress(g *gocui.Gui, v *gocui.View) error {
 		return err
 	}
 
-	return gui.handleFileSelect(g, v)
+	return gui.handleFileSelect(g, v, true)
 }
 
 func (gui *Gui) allFilesStaged() bool {
@@ -91,11 +196,7 @@ func (gui *Gui) handleStageAll(g *gocui.Gui, v *gocui.View) error {
 		_ = gui.createErrorPanel(g, err.Error())
 	}
 
-	if err := gui.refreshFiles(g); err != nil {
-		return err
-	}
-
-	return gui.handleFileSelect(g, v)
+	return gui.refreshFiles(g)
 }
 
 func (gui *Gui) handleAddPatch(g *gocui.Gui, v *gocui.View) error {
@@ -117,18 +218,6 @@ func (gui *Gui) handleAddPatch(g *gocui.Gui, v *gocui.View) error {
 	return gui.Errors.ErrSubProcess
 }
 
-func (gui *Gui) getSelectedFile(g *gocui.Gui) (*commands.File, error) {
-	if len(gui.State.Files) == 0 {
-		return &commands.File{}, gui.Errors.ErrNoFiles
-	}
-	filesView, err := g.View("files")
-	if err != nil {
-		panic(err)
-	}
-	lineNumber := gui.getItemPosition(filesView)
-	return gui.State.Files[lineNumber], nil
-}
-
 func (gui *Gui) handleFileRemove(g *gocui.Gui, v *gocui.View) error {
 	file, err := gui.getSelectedFile(g)
 	if err != nil {
@@ -172,31 +261,6 @@ func (gui *Gui) handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
 	return gui.refreshFiles(g)
 }
 
-func (gui *Gui) renderfilesOptions(g *gocui.Gui, file *commands.File) error {
-	return gui.renderGlobalOptions(g)
-}
-
-func (gui *Gui) handleFileSelect(g *gocui.Gui, v *gocui.View) error {
-	file, err := gui.getSelectedFile(g)
-	if err != nil {
-		if err != gui.Errors.ErrNoFiles {
-			return err
-		}
-		gui.renderString(g, "main", gui.Tr.SLocalize("NoChangedFiles"))
-		return gui.renderfilesOptions(g, nil)
-	}
-	if err := gui.renderfilesOptions(g, file); err != nil {
-		return err
-	}
-	var content string
-	if file.HasMergeConflicts {
-		return gui.refreshMergePanel(g)
-	}
-
-	content = gui.GitCommand.Diff(file)
-	return gui.renderString(g, "main", content)
-}
-
 func (gui *Gui) handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
 	if len(gui.stagedFiles()) == 0 && !gui.State.HasMergeConflicts {
 		return gui.createErrorPanel(g, gui.Tr.SLocalize("NoStagedFilesToCommit"))
@@ -288,6 +352,7 @@ func (gui *Gui) refreshStateFiles() {
 	// get files to stage
 	files := gui.GitCommand.GetStatusFiles()
 	gui.State.Files = gui.GitCommand.MergeStatusFiles(gui.State.Files, files)
+	gui.refreshSelectedLine(&gui.State.Panels.Files.SelectedLine, len(gui.State.Files))
 	gui.updateHasMergeConflictStatus()
 }
 
@@ -319,67 +384,45 @@ func (gui *Gui) catSelectedFile(g *gocui.Gui) (string, error) {
 	return cat, nil
 }
 
-func (gui *Gui) refreshFiles(g *gocui.Gui) error {
-	filesView, err := g.View("files")
-	if err != nil {
-		return err
-	}
-	gui.refreshStateFiles()
-
-	filesView.Clear()
-	list, err := utils.RenderList(gui.State.Files)
-	if err != nil {
-		return err
-	}
-	fmt.Fprint(filesView, list)
-
-	gui.correctCursor(filesView)
-	if filesView == g.CurrentView() {
-		gui.handleFileSelect(g, filesView)
-	}
-	return nil
-}
-
 func (gui *Gui) pullFiles(g *gocui.Gui, v *gocui.View) error {
-	gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("PullWait"))
+	if err := gui.createMessagePanel(gui.g, v, "", gui.Tr.SLocalize("PullWait")); err != nil {
+		return err
+	}
 	go func() {
-		if err := gui.GitCommand.Pull(); err != nil {
-			gui.createErrorPanel(g, err.Error())
-		} else {
-			gui.closeConfirmationPrompt(g)
-			gui.refreshCommits(g)
-			gui.refreshStatus(g)
-		}
-		gui.refreshFiles(g)
+		unamePassOpend := false
+		err := gui.GitCommand.Pull(func(passOrUname string) string {
+			unamePassOpend = true
+			return gui.waitForPassUname(g, v, passOrUname)
+		})
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
 	}()
 	return nil
 }
 
-func (gui *Gui) pushWithForceFlag(currentView *gocui.View, force bool) error {
-	if err := gui.createMessagePanel(gui.g, currentView, "", gui.Tr.SLocalize("PushWait")); err != nil {
+func (gui *Gui) pushWithForceFlag(g *gocui.Gui, v *gocui.View, force bool) error {
+	if err := gui.createMessagePanel(g, v, "", gui.Tr.SLocalize("PushWait")); err != nil {
 		return err
 	}
 	go func() {
+		unamePassOpend := false
 		branchName := gui.State.Branches[0].Name
-		if err := gui.GitCommand.Push(branchName, force); err != nil {
-			_ = gui.createErrorPanel(gui.g, err.Error())
-		} else {
-			_ = gui.closeConfirmationPrompt(gui.g)
-			_ = gui.refreshCommits(gui.g)
-			_ = gui.refreshStatus(gui.g)
-		}
+		err := gui.GitCommand.Push(branchName, force, func(passOrUname string) string {
+			unamePassOpend = true
+			return gui.waitForPassUname(g, v, passOrUname)
+		})
+		gui.HandleCredentialsPopup(g, unamePassOpend, err)
 	}()
 	return nil
 }
 
 func (gui *Gui) pushFiles(g *gocui.Gui, v *gocui.View) error {
 	// if we have pullables we'll ask if the user wants to force push
-	_, pullables := gui.GitCommand.UpstreamDifferenceCount()
+	_, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
 	if pullables == "?" || pullables == "0" {
-		return gui.pushWithForceFlag(v, false)
+		return gui.pushWithForceFlag(g, v, false)
 	}
 	err := gui.createConfirmationPanel(g, nil, gui.Tr.SLocalize("ForcePush"), gui.Tr.SLocalize("ForcePushPrompt"), func(g *gocui.Gui, v *gocui.View) error {
-		return gui.pushWithForceFlag(v, true)
+		return gui.pushWithForceFlag(g, v, true)
 	}, nil)
 	return err
 }
@@ -412,9 +455,9 @@ func (gui *Gui) handleAbortMerge(g *gocui.Gui, v *gocui.View) error {
 	return gui.refreshFiles(g)
 }
 
-func (gui *Gui) handleResetHard(g *gocui.Gui, v *gocui.View) error {
+func (gui *Gui) handleResetAndClean(g *gocui.Gui, v *gocui.View) error {
 	return gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("ClearFilePanel"), gui.Tr.SLocalize("SureResetHardHead"), func(g *gocui.Gui, v *gocui.View) error {
-		if err := gui.GitCommand.ResetHard(); err != nil {
+		if err := gui.GitCommand.ResetAndClean(); err != nil {
 			gui.createErrorPanel(g, err.Error())
 		}
 		return gui.refreshFiles(g)

pkg/gui/gui.go

@@ -1,6 +1,7 @@
 package gui
 
 import (
+	"sync"
 
 	// "io"
 	// "io/ioutil"
@@ -15,6 +16,7 @@ import (
 
 	// "strings"
 
+	"github.com/fatih/color"
 	"github.com/golang-collections/collections/stack"
 	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/commands"
@@ -70,6 +72,47 @@ type Gui struct {
 	Errors        SentinelErrors
 	Updater       *updates.Updater
 	statusManager *statusManager
+	credentials   credentials
+	waitForIntro  sync.WaitGroup
+}
+
+// for now the staging panel state, unlike the other panel states, is going to be
+// non-mutative, so that we don't accidentally end up
+// with mismatches of data. We might change this in the future
+type stagingPanelState struct {
+	SelectedLine   int
+	StageableLines []int
+	HunkStarts     []int
+	Diff           string
+}
+
+type filePanelState struct {
+	SelectedLine int
+}
+
+type branchPanelState struct {
+	SelectedLine int
+}
+
+type commitPanelState struct {
+	SelectedLine int
+}
+
+type stashPanelState struct {
+	SelectedLine int
+}
+
+type menuPanelState struct {
+	SelectedLine int
+}
+
+type panelStates struct {
+	Files    *filePanelState
+	Staging  *stagingPanelState
+	Branches *branchPanelState
+	Commits  *commitPanelState
+	Stash    *stashPanelState
+	Menu     *menuPanelState
 }
 
 type guiState struct {
@@ -85,6 +128,7 @@ type guiState struct {
 	EditHistory       *stack.Stack
 	Platform          commands.Platform
 	Updating          bool
+	Panels            *panelStates
 }
 
 // NewGui builds a new gui handler
@@ -100,6 +144,13 @@ func NewGui(log *logrus.Entry, gitCommand *commands.GitCommand, oSCommand *comma
 		Conflicts:     make([]commands.Conflict, 0),
 		EditHistory:   stack.New(),
 		Platform:      *oSCommand.Platform,
+		Panels: &panelStates{
+			Files:    &filePanelState{SelectedLine: -1},
+			Branches: &branchPanelState{SelectedLine: 0},
+			Commits:  &commitPanelState{SelectedLine: -1},
+			Stash:    &stashPanelState{SelectedLine: -1},
+			Menu:     &menuPanelState{SelectedLine: 0},
+		},
 	}
 
 	gui := &Gui{
@@ -130,7 +181,12 @@ func (gui *Gui) scrollUpMain(g *gocui.Gui, v *gocui.View) error {
 func (gui *Gui) scrollDownMain(g *gocui.Gui, v *gocui.View) error {
 	mainView, _ := g.View("main")
 	ox, oy := mainView.Origin()
-	if oy < len(mainView.BufferLines()) {
+	y := oy
+	if !gui.Config.GetUserConfig().GetBool("gui.scrollPastBottom") {
+		_, sy := mainView.Size()
+		y += sy
+	}
+	if y < len(mainView.BufferLines()) {
 		return mainView.SetOrigin(ox, oy+gui.Config.GetUserConfig().GetInt("gui.scrollHeight"))
 	}
 	return nil
@@ -180,8 +236,11 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 			}
 			v.Title = gui.Tr.SLocalize("NotEnoughSpace")
 			v.Wrap = true
+			g.SetViewOnTop("limit")
 		}
 		return nil
+	} else {
+		_, _ = g.SetViewOnBottom("limit")
 	}
 
 	g.DeleteView("limit")
@@ -202,6 +261,19 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		v.FgColor = gocui.ColorWhite
 	}
 
+	v, err = g.SetView("staging", leftSideWidth+panelSpacing, 0, width-1, optionsTop, gocui.LEFT)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Title = gui.Tr.SLocalize("StagingTitle")
+		v.Highlight = true
+		v.FgColor = gocui.ColorWhite
+		if _, err := g.SetViewOnBottom("staging"); err != nil {
+			return err
+		}
+	}
+
 	if v, err := g.SetView("status", 0, 0, leftSideWidth, statusFilesBoundary, gocui.BOTTOM|gocui.RIGHT); err != nil {
 		if err != gocui.ErrUnknownView {
 			return err
@@ -220,12 +292,13 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		v.FgColor = gocui.ColorWhite
 	}
 
-	if v, err := g.SetView("branches", 0, filesBranchesBoundary+panelSpacing, leftSideWidth, commitsBranchesBoundary, gocui.TOP|gocui.BOTTOM); err != nil {
+	branchesView, err := g.SetView("branches", 0, filesBranchesBoundary+panelSpacing, leftSideWidth, commitsBranchesBoundary, gocui.TOP|gocui.BOTTOM)
+	if err != nil {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		v.Title = gui.Tr.SLocalize("BranchesTitle")
-		v.FgColor = gocui.ColorWhite
+		branchesView.Title = gui.Tr.SLocalize("BranchesTitle")
+		branchesView.FgColor = gocui.ColorWhite
 	}
 
 	if v, err := g.SetView("commits", 0, commitsBranchesBoundary+panelSpacing, leftSideWidth, commitsStashBoundary, gocui.TOP|gocui.BOTTOM); err != nil {
@@ -268,6 +341,23 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		}
 	}
 
+	if check, _ := g.View("credentials"); check == nil {
+		// doesn't matter where this view starts because it will be hidden
+		if credentialsView, err := g.SetView("credentials", 0, 0, width/2, height/2, 0); err != nil {
+			if err != gocui.ErrUnknownView {
+				return err
+			}
+			_, err := g.SetViewOnBottom("credentials")
+			if err != nil {
+				return err
+			}
+			credentialsView.Title = gui.Tr.SLocalize("CredentialsUsername")
+			credentialsView.FgColor = gocui.ColorWhite
+			credentialsView.Editable = true
+			credentialsView.Editor = gocui.EditorFunc(gui.simpleEditor)
+		}
+	}
+
 	if appStatusView, err := g.SetView("appStatus", -1, optionsTop, width, optionsTop+2, 0); err != nil {
 		if err != gocui.ErrUnknownView {
 			return err
@@ -297,12 +387,16 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		if err := gui.updateRecentRepoList(); err != nil {
 			return err
 		}
+		gui.waitForIntro.Done()
+
+		if _, err := gui.g.SetCurrentView(filesView.Name()); err != nil {
+			return err
+		}
+
+		if err := gui.refreshSidePanels(gui.g); err != nil {
+			return err
+		}
 
-		gui.handleFileSelect(g, filesView)
-		gui.refreshFiles(g)
-		gui.refreshBranches(g)
-		gui.refreshCommits(g)
-		gui.refreshStashEntries(g)
 		if err := gui.switchFocus(g, nil, filesView); err != nil {
 			return err
 		}
@@ -314,33 +408,68 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		}
 	}
 
+	listViews := map[*gocui.View]int{
+		filesView:    gui.State.Panels.Files.SelectedLine,
+		branchesView: gui.State.Panels.Branches.SelectedLine,
+	}
+	for view, selectedLine := range listViews {
+		// check if the selected line is now out of view and if so refocus it
+		if err := gui.focusPoint(0, selectedLine, view); err != nil {
+			return err
+		}
+	}
+
+	// here is a good place log some stuff
+	// if you download humanlog and do tail -f development.log | humanlog
+	// this will let you see these branches as prettified json
+	// gui.Log.Info(utils.AsJson(gui.State.Branches[0:4]))
 	return gui.resizeCurrentPopupPanel(g)
 }
 
 func (gui *Gui) promptAnonymousReporting() error {
 	return gui.createConfirmationPanel(gui.g, nil, gui.Tr.SLocalize("AnonymousReportingTitle"), gui.Tr.SLocalize("AnonymousReportingPrompt"), func(g *gocui.Gui, v *gocui.View) error {
+		gui.waitForIntro.Done()
 		return gui.Config.WriteToUserConfig("reporting", "on")
 	}, func(g *gocui.Gui, v *gocui.View) error {
+		gui.waitForIntro.Done()
 		return gui.Config.WriteToUserConfig("reporting", "off")
 	})
 }
 
-func (gui *Gui) fetch(g *gocui.Gui) error {
-	gui.GitCommand.Fetch()
+func (gui *Gui) fetch(g *gocui.Gui, v *gocui.View, canAskForCredentials bool) (unamePassOpend bool, err error) {
+	unamePassOpend = false
+	err = gui.GitCommand.Fetch(func(passOrUname string) string {
+		unamePassOpend = true
+		return gui.waitForPassUname(gui.g, v, passOrUname)
+	}, canAskForCredentials)
+
+	if canAskForCredentials && err != nil && strings.Contains(err.Error(), "exit status 128") {
+		colorFunction := color.New(color.FgRed).SprintFunc()
+		coloredMessage := colorFunction(strings.TrimSpace(gui.Tr.SLocalize("PassUnameWrong")))
+		close := func(g *gocui.Gui, v *gocui.View) error {
+			return nil
+		}
+		_ = gui.createConfirmationPanel(g, v, gui.Tr.SLocalize("Error"), coloredMessage, close, close)
+	}
+
 	gui.refreshStatus(g)
-	return nil
+	return unamePassOpend, err
 }
 
 func (gui *Gui) updateLoader(g *gocui.Gui) error {
-	if view, _ := g.View("confirmation"); view != nil {
-		content := gui.trimmedContent(view)
-		if strings.Contains(content, "...") {
-			staticContent := strings.Split(content, "...")[0] + "..."
-			if err := gui.renderString(g, "confirmation", staticContent+" "+utils.Loader()); err != nil {
-				return err
+	gui.g.Update(func(g *gocui.Gui) error {
+		if view, _ := g.View("confirmation"); view != nil {
+			content := gui.trimmedContent(view)
+			if strings.Contains(content, "...") {
+				staticContent := strings.Split(content, "...")[0] + "..."
+				if err := gui.setViewContent(g, view, staticContent+" "+utils.Loader()); err != nil {
+					return err
+				}
 			}
 		}
-	}
+		return nil
+	})
+
 	return nil
 }
 
@@ -352,8 +481,8 @@ func (gui *Gui) renderAppStatus(g *gocui.Gui) error {
 	return nil
 }
 
-func (gui *Gui) renderGlobalOptions(g *gocui.Gui) error {
-	return gui.renderOptionsMap(g, map[string]string{
+func (gui *Gui) renderGlobalOptions() error {
+	return gui.renderOptionsMap(map[string]string{
 		"PgUp/PgDn": gui.Tr.SLocalize("scroll"),
 		"← → ↑ ↓":   gui.Tr.SLocalize("navigate"),
 		"esc/q":     gui.Tr.SLocalize("close"),
@@ -383,7 +512,28 @@ func (gui *Gui) Run() error {
 		return err
 	}
 
-	gui.goEvery(g, time.Second*60, gui.fetch)
+	if gui.Config.GetUserConfig().GetString("reporting") == "undetermined" {
+		gui.waitForIntro.Add(2)
+	} else {
+		gui.waitForIntro.Add(1)
+	}
+
+	go func() {
+		gui.waitForIntro.Wait()
+		isNew := gui.Config.GetIsNewRepo()
+		if !isNew {
+			time.After(60 * time.Second)
+		}
+		_, err := gui.fetch(g, g.CurrentView(), false)
+		if err != nil && strings.Contains(err.Error(), "exit status 128") && isNew {
+			_ = gui.createConfirmationPanel(g, g.CurrentView(), gui.Tr.SLocalize("NoAutomaticGitFetchTitle"), gui.Tr.SLocalize("NoAutomaticGitFetchBody"), nil, nil)
+		} else {
+			gui.goEvery(g, time.Second*60, func(g *gocui.Gui) error {
+				_, err := gui.fetch(g, g.CurrentView(), false)
+				return err
+			})
+		}
+	}()
 	gui.goEvery(g, time.Second*10, gui.refreshFiles)
 	gui.goEvery(g, time.Millisecond*50, gui.updateLoader)
 	gui.goEvery(g, time.Millisecond*50, gui.renderAppStatus)

pkg/gui/keybindings.go

@@ -12,7 +12,6 @@ type Binding struct {
 	Handler     func(*gocui.Gui, *gocui.View) error
 	Key         interface{} // FIXME: find out how to get `gocui.Key | rune`
 	Modifier    gocui.Modifier
-	KeyReadable string
 	Description string
 }
 
@@ -21,19 +20,31 @@ func (b *Binding) GetDisplayStrings() []string {
 	return []string{b.GetKey(), b.Description}
 }
 
+// GetKey is a function.
 func (b *Binding) GetKey() string {
-	r, ok := b.Key.(rune)
-	key := ""
+	key := 0
 
-	if ok {
-		key = string(r)
-	} else if b.KeyReadable != "" {
-		key = b.KeyReadable
+	switch b.Key.(type) {
+	case rune:
+		key = int(b.Key.(rune))
+	case gocui.Key:
+		key = int(b.Key.(gocui.Key))
 	}
 
-	return key
+	// special keys
+	switch key {
+	case 27:
+		return "esc"
+	case 13:
+		return "enter"
+	case 32:
+		return "space"
+	}
+
+	return string(key)
 }
 
+// GetKeybindings is a function.
 func (gui *Gui) GetKeybindings() []*Binding {
 	bindings := []*Binding{
 		{
@@ -142,7 +153,6 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Key:         gocui.KeySpace,
 			Modifier:    gocui.ModNone,
 			Handler:     gui.handleFilePress,
-			KeyReadable: "space",
 			Description: gui.Tr.SLocalize("toggleStaged"),
 		}, {
 			ViewName:    "files",
@@ -208,8 +218,20 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			ViewName:    "files",
 			Key:         'D',
 			Modifier:    gocui.ModNone,
-			Handler:     gui.handleResetHard,
+			Handler:     gui.handleResetAndClean,
 			Description: gui.Tr.SLocalize("resetHard"),
+		}, {
+			ViewName:    "files",
+			Key:         gocui.KeyEnter,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleSwitchToStagingPanel,
+			Description: gui.Tr.SLocalize("StageLines"),
+		}, {
+			ViewName:    "files",
+			Key:         'f',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleGitFetch,
+			Description: gui.Tr.SLocalize("fetch"),
 		}, {
 			ViewName: "main",
 			Key:      gocui.KeyEsc,
@@ -275,7 +297,6 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Key:         gocui.KeySpace,
 			Modifier:    gocui.ModNone,
 			Handler:     gui.handleBranchPress,
-			KeyReadable: "space",
 			Description: gui.Tr.SLocalize("checkout"),
 		}, {
 			ViewName:    "branches",
@@ -313,6 +334,12 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Modifier:    gocui.ModNone,
 			Handler:     gui.handleMerge,
 			Description: gui.Tr.SLocalize("mergeIntoCurrentBranch"),
+		}, {
+			ViewName:    "branches",
+			Key:         'f',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleFastForward,
+			Description: gui.Tr.SLocalize("FastForward"),
 		}, {
 			ViewName:    "commits",
 			Key:         's',
@@ -348,7 +375,6 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Key:         gocui.KeySpace,
 			Modifier:    gocui.ModNone,
 			Handler:     gui.handleStashApply,
-			KeyReadable: "space",
 			Description: gui.Tr.SLocalize("apply"),
 		}, {
 			ViewName:    "stash",
@@ -372,6 +398,16 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Key:      gocui.KeyEsc,
 			Modifier: gocui.ModNone,
 			Handler:  gui.handleCommitClose,
+		}, {
+			ViewName: "credentials",
+			Key:      gocui.KeyEnter,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleSubmitCredential,
+		}, {
+			ViewName: "credentials",
+			Key:      gocui.KeyEsc,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleCloseCredentialsView,
 		}, {
 			ViewName: "menu",
 			Key:      gocui.KeyEsc,
@@ -382,22 +418,94 @@ func (gui *Gui) GetKeybindings() []*Binding {
 			Key:      'q',
 			Modifier: gocui.ModNone,
 			Handler:  gui.handleMenuClose,
+		}, {
+			ViewName:    "staging",
+			Key:         gocui.KeyEsc,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStagingEscape,
+			Description: gui.Tr.SLocalize("EscapeStaging"),
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowUp,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevLine,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowDown,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextLine,
+		}, {
+			ViewName: "staging",
+			Key:      'k',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevLine,
+		}, {
+			ViewName: "staging",
+			Key:      'j',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextLine,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowLeft,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevHunk,
+		}, {
+			ViewName: "staging",
+			Key:      gocui.KeyArrowRight,
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextHunk,
+		}, {
+			ViewName: "staging",
+			Key:      'h',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingPrevHunk,
+		}, {
+			ViewName: "staging",
+			Key:      'l',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleStagingNextHunk,
+		}, {
+			ViewName:    "staging",
+			Key:         gocui.KeySpace,
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStageLine,
+			Description: gui.Tr.SLocalize("StageLine"),
+		}, {
+			ViewName:    "staging",
+			Key:         'a',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleStageHunk,
+			Description: gui.Tr.SLocalize("StageHunk"),
 		},
 	}
 
-	// Would make these keybindings global but that interferes with editing
-	// input in the confirmation panel
-	for _, viewName := range []string{"status", "files", "branches", "commits", "stash", "menu"} {
+	for _, viewName := range []string{"status", "branches", "files", "commits", "stash", "menu"} {
 		bindings = append(bindings, []*Binding{
 			{ViewName: viewName, Key: gocui.KeyTab, Modifier: gocui.ModNone, Handler: gui.nextView},
 			{ViewName: viewName, Key: gocui.KeyArrowLeft, Modifier: gocui.ModNone, Handler: gui.previousView},
 			{ViewName: viewName, Key: gocui.KeyArrowRight, Modifier: gocui.ModNone, Handler: gui.nextView},
-			{ViewName: viewName, Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: gui.cursorUp},
-			{ViewName: viewName, Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: gui.cursorDown},
 			{ViewName: viewName, Key: 'h', Modifier: gocui.ModNone, Handler: gui.previousView},
 			{ViewName: viewName, Key: 'l', Modifier: gocui.ModNone, Handler: gui.nextView},
-			{ViewName: viewName, Key: 'k', Modifier: gocui.ModNone, Handler: gui.cursorUp},
-			{ViewName: viewName, Key: 'j', Modifier: gocui.ModNone, Handler: gui.cursorDown},
+		}...)
+	}
+
+	listPanelMap := map[string]struct {
+		prevLine func(*gocui.Gui, *gocui.View) error
+		nextLine func(*gocui.Gui, *gocui.View) error
+	}{
+		"menu":     {prevLine: gui.handleMenuPrevLine, nextLine: gui.handleMenuNextLine},
+		"files":    {prevLine: gui.handleFilesPrevLine, nextLine: gui.handleFilesNextLine},
+		"branches": {prevLine: gui.handleBranchesPrevLine, nextLine: gui.handleBranchesNextLine},
+		"commits":  {prevLine: gui.handleCommitsPrevLine, nextLine: gui.handleCommitsNextLine},
+		"stash":    {prevLine: gui.handleStashPrevLine, nextLine: gui.handleStashNextLine},
+	}
+
+	for viewName, functions := range listPanelMap {
+		bindings = append(bindings, []*Binding{
+			{ViewName: viewName, Key: 'k', Modifier: gocui.ModNone, Handler: functions.prevLine},
+			{ViewName: viewName, Key: gocui.KeyArrowUp, Modifier: gocui.ModNone, Handler: functions.prevLine},
+			{ViewName: viewName, Key: 'j', Modifier: gocui.ModNone, Handler: functions.nextLine},
+			{ViewName: viewName, Key: gocui.KeyArrowDown, Modifier: gocui.ModNone, Handler: functions.nextLine},
 		}...)
 	}
 

pkg/gui/menu_panel.go

@@ -8,19 +8,35 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
+// list panel functions
+
 func (gui *Gui) handleMenuSelect(g *gocui.Gui, v *gocui.View) error {
-	// doing nothing for now
-	// but it is needed for switch in newLineFocused
-	return nil
+	return gui.focusPoint(0, gui.State.Panels.Menu.SelectedLine, v)
 }
 
-func (gui *Gui) renderMenuOptions(g *gocui.Gui) error {
+func (gui *Gui) handleMenuNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Menu
+	gui.changeSelectedLine(&panelState.SelectedLine, v.LinesHeight(), false)
+
+	return gui.handleMenuSelect(g, v)
+}
+
+func (gui *Gui) handleMenuPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Menu
+	gui.changeSelectedLine(&panelState.SelectedLine, v.LinesHeight(), true)
+
+	return gui.handleMenuSelect(g, v)
+}
+
+// specific functions
+
+func (gui *Gui) renderMenuOptions() error {
 	optionsMap := map[string]string{
 		"esc/q": gui.Tr.SLocalize("close"),
 		"↑ ↓":   gui.Tr.SLocalize("navigate"),
 		"space": gui.Tr.SLocalize("execute"),
 	}
-	return gui.renderOptionsMap(g, optionsMap)
+	return gui.renderOptionsMap(optionsMap)
 }
 
 func (gui *Gui) handleMenuClose(g *gocui.Gui, v *gocui.View) error {
@@ -40,20 +56,17 @@ func (gui *Gui) createMenu(items interface{}, handlePress func(int) error) error
 		return err
 	}
 
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, list)
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, false, list)
 	menuView, _ := gui.g.SetView("menu", x0, y0, x1, y1, 0)
 	menuView.Title = strings.Title(gui.Tr.SLocalize("menu"))
 	menuView.FgColor = gocui.ColorWhite
 	menuView.Clear()
 	fmt.Fprint(menuView, list)
-
-	if err := gui.renderMenuOptions(gui.g); err != nil {
-		return err
-	}
+	gui.State.Panels.Menu.SelectedLine = 0
 
 	wrappedHandlePress := func(g *gocui.Gui, v *gocui.View) error {
-		lineNumber := gui.getItemPosition(v)
-		return handlePress(lineNumber)
+		selectedLine := gui.State.Panels.Menu.SelectedLine
+		return handlePress(selectedLine)
 	}
 
 	if err := gui.g.SetKeybinding("menu", gocui.KeySpace, gocui.ModNone, wrappedHandlePress); err != nil {

pkg/gui/merge_panel.go

@@ -194,9 +194,6 @@ func (gui *Gui) refreshMergePanel(g *gocui.Gui) error {
 		gui.State.ConflictIndex = len(gui.State.Conflicts) - 1
 	}
 	hasFocus := gui.currentViewName(g) == "main"
-	if hasFocus {
-		gui.renderMergeOptions(g)
-	}
 	content, err := gui.coloredConflictFile(cat, gui.State.Conflicts, gui.State.ConflictIndex, gui.State.ConflictTop, hasFocus)
 	if err != nil {
 		return err
@@ -233,8 +230,8 @@ func (gui *Gui) switchToMerging(g *gocui.Gui) error {
 	return gui.refreshMergePanel(g)
 }
 
-func (gui *Gui) renderMergeOptions(g *gocui.Gui) error {
-	return gui.renderOptionsMap(g, map[string]string{
+func (gui *Gui) renderMergeOptions() error {
+	return gui.renderOptionsMap(map[string]string{
 		"↑ ↓":   gui.Tr.SLocalize("selectHunk"),
 		"← →":   gui.Tr.SLocalize("navigateConflicts"),
 		"space": gui.Tr.SLocalize("pickHunk"),

pkg/gui/recent_repos_panel.go

@@ -14,6 +14,7 @@ type recentRepo struct {
 	path string
 }
 
+// GetDisplayStrings returns the path from a recent repo.
 func (r *recentRepo) GetDisplayStrings() []string {
 	yellow := color.New(color.FgMagenta)
 	base := filepath.Base(r.path)
@@ -54,16 +55,22 @@ func (gui *Gui) updateRecentRepoList() error {
 	if err != nil {
 		return err
 	}
-	gui.Config.GetAppState().RecentRepos = newRecentReposList(recentRepos, currentRepo)
+	known, recentRepos := newRecentReposList(recentRepos, currentRepo)
+	gui.Config.SetIsNewRepo(known)
+	gui.Config.GetAppState().RecentRepos = recentRepos
 	return gui.Config.SaveAppState()
 }
 
-func newRecentReposList(recentRepos []string, currentRepo string) []string {
+// newRecentReposList returns a new repo list with a new entry but only when it doesn't exist yet
+func newRecentReposList(recentRepos []string, currentRepo string) (bool, []string) {
+	isNew := true
 	newRepos := []string{currentRepo}
 	for _, repo := range recentRepos {
 		if repo != currentRepo {
 			newRepos = append(newRepos, repo)
+		} else {
+			isNew = false
 		}
 	}
-	return newRepos
+	return isNew, newRepos
 }

pkg/gui/staging_panel.go

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

pkg/gui/stash_panel.go

@@ -8,19 +8,46 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
+// list panel functions
+
+func (gui *Gui) getSelectedStashEntry(v *gocui.View) *commands.StashEntry {
+	selectedLine := gui.State.Panels.Stash.SelectedLine
+	if selectedLine == -1 {
+		return nil
+	}
+
+	return gui.State.StashEntries[selectedLine]
+}
+
+func (gui *Gui) handleStashEntrySelect(g *gocui.Gui, v *gocui.View) error {
+	stashEntry := gui.getSelectedStashEntry(v)
+	if stashEntry == nil {
+		return gui.renderString(g, "main", gui.Tr.SLocalize("NoStashEntries"))
+	}
+	if err := gui.focusPoint(0, gui.State.Panels.Stash.SelectedLine, v); err != nil {
+		return err
+	}
+	go func() {
+		// doing this asynchronously cos it can take time
+		diff, _ := gui.GitCommand.GetStashEntryDiff(stashEntry.Index)
+		_ = gui.renderString(g, "main", diff)
+	}()
+	return nil
+}
+
 func (gui *Gui) refreshStashEntries(g *gocui.Gui) error {
 	g.Update(func(g *gocui.Gui) error {
-		v, err := g.View("stash")
-		if err != nil {
-			panic(err)
-		}
 		gui.State.StashEntries = gui.GitCommand.GetStashEntries()
 
-		v.Clear()
+		gui.refreshSelectedLine(&gui.State.Panels.Stash.SelectedLine, len(gui.State.StashEntries))
+
 		list, err := utils.RenderList(gui.State.StashEntries)
 		if err != nil {
 			return err
 		}
+
+		v := gui.getStashView(gui.g)
+		v.Clear()
 		fmt.Fprint(v, list)
 
 		return gui.resetOrigin(v)
@@ -28,34 +55,21 @@ func (gui *Gui) refreshStashEntries(g *gocui.Gui) error {
 	return nil
 }
 
-func (gui *Gui) getSelectedStashEntry(v *gocui.View) *commands.StashEntry {
-	if len(gui.State.StashEntries) == 0 {
-		return nil
-	}
-	stashView, _ := gui.g.View("stash")
-	lineNumber := gui.getItemPosition(stashView)
-	return gui.State.StashEntries[lineNumber]
+func (gui *Gui) handleStashNextLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Stash
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.StashEntries), false)
+
+	return gui.handleStashEntrySelect(gui.g, v)
 }
 
-func (gui *Gui) renderStashOptions(g *gocui.Gui) error {
-	return gui.renderGlobalOptions(g)
+func (gui *Gui) handleStashPrevLine(g *gocui.Gui, v *gocui.View) error {
+	panelState := gui.State.Panels.Stash
+	gui.changeSelectedLine(&panelState.SelectedLine, len(gui.State.StashEntries), true)
+
+	return gui.handleStashEntrySelect(gui.g, v)
 }
 
-func (gui *Gui) handleStashEntrySelect(g *gocui.Gui, v *gocui.View) error {
-	if err := gui.renderStashOptions(g); err != nil {
-		return err
-	}
-	go func() {
-		stashEntry := gui.getSelectedStashEntry(v)
-		if stashEntry == nil {
-			gui.renderString(g, "main", gui.Tr.SLocalize("NoStashEntries"))
-			return
-		}
-		diff, _ := gui.GitCommand.GetStashEntryDiff(stashEntry.Index)
-		gui.renderString(g, "main", diff)
-	}()
-	return nil
-}
+// specific functions
 
 func (gui *Gui) handleStashApply(g *gocui.Gui, v *gocui.View) error {
 	return gui.stashDo(g, v, "apply")

pkg/gui/status_panel.go

@@ -19,7 +19,7 @@ func (gui *Gui) refreshStatus(g *gocui.Gui) error {
 	// contents end up cleared
 	g.Update(func(*gocui.Gui) error {
 		v.Clear()
-		pushables, pullables := gui.GitCommand.UpstreamDifferenceCount()
+		pushables, pullables := gui.GitCommand.GetCurrentBranchUpstreamDifferenceCount()
 		fmt.Fprint(v, "↑"+pushables+"↓"+pullables)
 		branches := gui.State.Branches
 		if err := gui.updateHasMergeConflictStatus(); err != nil {
@@ -42,31 +42,26 @@ func (gui *Gui) refreshStatus(g *gocui.Gui) error {
 	return nil
 }
 
-func (gui *Gui) renderStatusOptions(g *gocui.Gui) error {
-	return gui.renderGlobalOptions(g)
-}
-
 func (gui *Gui) handleCheckForUpdate(g *gocui.Gui, v *gocui.View) error {
 	gui.Updater.CheckForNewUpdate(gui.onUserUpdateCheckFinish, true)
 	return gui.createMessagePanel(gui.g, v, "", gui.Tr.SLocalize("CheckingForUpdates"))
 }
 
 func (gui *Gui) handleStatusSelect(g *gocui.Gui, v *gocui.View) error {
+	blue := color.New(color.FgBlue)
+
 	dashboardString := strings.Join(
 		[]string{
 			lazygitTitle(),
 			"Copyright (c) 2018 Jesse Duffield",
 			"Keybindings: https://github.com/jesseduffield/lazygit/blob/master/docs/Keybindings.md",
 			"Config Options: https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md",
-			"Tutorial: https://www.youtube.com/watch?v=VDXvbHZYeKY",
+			"Tutorial: https://youtu.be/VDXvbHZYeKY",
 			"Raise an Issue: https://github.com/jesseduffield/lazygit/issues",
-			"Buy Jesse a coffee: https://donorbox.org/lazygit",
+			blue.Sprint("Buy Jesse a coffee: https://donorbox.org/lazygit"), // caffeine ain't free
 		}, "\n\n")
 
-	if err := gui.renderString(g, "main", dashboardString); err != nil {
-		return err
-	}
-	return gui.renderStatusOptions(g)
+	return gui.renderString(g, "main", dashboardString)
 }
 
 func (gui *Gui) handleOpenConfig(g *gocui.Gui, v *gocui.View) error {

pkg/gui/view_helpers.go

@@ -13,10 +13,16 @@ import (
 var cyclableViews = []string{"status", "files", "branches", "commits", "stash"}
 
 func (gui *Gui) refreshSidePanels(g *gocui.Gui) error {
-	gui.refreshBranches(g)
-	gui.refreshFiles(g)
-	gui.refreshCommits(g)
-	return nil
+	if err := gui.refreshBranches(g); err != nil {
+		return err
+	}
+	if err := gui.refreshFiles(g); err != nil {
+		return err
+	}
+	if err := gui.refreshCommits(g); err != nil {
+		return err
+	}
+	return gui.refreshStashEntries(g)
 }
 
 func (gui *Gui) nextView(g *gocui.Gui, v *gocui.View) error {
@@ -78,31 +84,33 @@ func (gui *Gui) previousView(g *gocui.Gui, v *gocui.View) error {
 }
 
 func (gui *Gui) newLineFocused(g *gocui.Gui, v *gocui.View) error {
-	mainView, _ := g.View("main")
-	mainView.SetOrigin(0, 0)
-
 	switch v.Name() {
 	case "menu":
 		return gui.handleMenuSelect(g, v)
 	case "status":
 		return gui.handleStatusSelect(g, v)
 	case "files":
-		return gui.handleFileSelect(g, v)
+		return gui.handleFileSelect(g, v, false)
 	case "branches":
 		return gui.handleBranchSelect(g, v)
+	case "commits":
+		return gui.handleCommitSelect(g, v)
+	case "stash":
+		return gui.handleStashEntrySelect(g, v)
 	case "confirmation":
 		return nil
 	case "commitMessage":
 		return gui.handleCommitFocused(g, v)
+	case "credentials":
+		return gui.handleCredentialsViewFocused(g, v)
 	case "main":
 		// TODO: pull this out into a 'view focused' function
 		gui.refreshMergePanel(g)
 		v.Highlight = false
 		return nil
-	case "commits":
-		return gui.handleCommitSelect(g, v)
-	case "stash":
-		return gui.handleStashEntrySelect(g, v)
+	case "staging":
+		return nil
+		// return gui.handleStagingSelect(g, v)
 	default:
 		panic(gui.Tr.SLocalize("NoViewMachingNewLineFocusedSwitchStatement"))
 	}
@@ -153,64 +161,17 @@ func (gui *Gui) switchFocus(g *gocui.Gui, oldView, newView *gocui.View) error {
 	if _, err := g.SetCurrentView(newView.Name()); err != nil {
 		return err
 	}
-	g.Cursor = newView.Editable
-
-	return gui.newLineFocused(g, newView)
-}
-
-func (gui *Gui) getItemPosition(v *gocui.View) int {
-	gui.correctCursor(v)
-	_, cy := v.Cursor()
-	_, oy := v.Origin()
-	return oy + cy
-}
-
-func (gui *Gui) cursorUp(g *gocui.Gui, v *gocui.View) error {
-	// swallowing cursor movements in main
-	if v == nil || v.Name() == "main" {
-		return nil
-	}
-
-	ox, oy := v.Origin()
-	cx, cy := v.Cursor()
-	if err := v.SetCursor(cx, cy-1); err != nil && oy > 0 {
-		if err := v.SetOrigin(ox, oy-1); err != nil {
-			return err
-		}
-	}
-
-	gui.newLineFocused(g, v)
-	return nil
-}
-
-func (gui *Gui) cursorDown(g *gocui.Gui, v *gocui.View) error {
-	// swallowing cursor movements in main
-	if v == nil || v.Name() == "main" {
-		return nil
-	}
-	cx, cy := v.Cursor()
-	ox, oy := v.Origin()
-	ly := v.LinesHeight() - 1
-	_, height := v.Size()
-	maxY := height - 1
-
-	// if we are at the end we just return
-	if cy+oy == ly {
-		return nil
-	}
-
-	var err error
-	if cy < maxY {
-		err = v.SetCursor(cx, cy+1)
-	} else {
-		err = v.SetOrigin(ox, oy+1)
-	}
-	if err != nil {
+	if _, err := g.SetViewOnTop(newView.Name()); err != nil {
 		return err
 	}
 
-	gui.newLineFocused(g, v)
-	return nil
+	g.Cursor = newView.Editable
+
+	if err := gui.renderPanelOptions(); err != nil {
+		return err
+	}
+
+	return gui.newLineFocused(g, newView)
 }
 
 func (gui *Gui) resetOrigin(v *gocui.View) error {
@@ -221,39 +182,68 @@ func (gui *Gui) resetOrigin(v *gocui.View) error {
 }
 
 // if the cursor down past the last item, move it to the last line
-func (gui *Gui) correctCursor(v *gocui.View) error {
-	cx, cy := v.Cursor()
-	ox, oy := v.Origin()
-	_, height := v.Size()
-	maxY := height - 1
-	ly := v.LinesHeight() - 1
-	if oy+cy <= ly {
+func (gui *Gui) focusPoint(cx int, cy int, v *gocui.View) error {
+	if cy < 0 {
 		return nil
 	}
-	newCy := utils.Min(ly, maxY)
-	if err := v.SetCursor(cx, newCy); err != nil {
-		return err
-	}
-	if err := v.SetOrigin(ox, ly-newCy); err != nil {
-		return err
+	ox, oy := v.Origin()
+	_, height := v.Size()
+	ly := height - 1
+
+	// if line is above origin, move origin and set cursor to zero
+	// if line is below origin + height, move origin and set cursor to max
+	// otherwise set cursor to value - origin
+	if ly > v.LinesHeight() {
+		if err := v.SetCursor(cx, cy); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, 0); err != nil {
+			return err
+		}
+	} else if cy < oy {
+		if err := v.SetCursor(cx, 0); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, cy); err != nil {
+			return err
+		}
+	} else if cy > oy+ly {
+		if err := v.SetCursor(cx, ly); err != nil {
+			return err
+		}
+		if err := v.SetOrigin(ox, cy-ly); err != nil {
+			return err
+		}
+	} else {
+		if err := v.SetCursor(cx, cy-oy); err != nil {
+			return err
+		}
 	}
 	return nil
 }
 
+func (gui *Gui) cleanString(s string) string {
+	output := string(bom.Clean([]byte(s)))
+	return utils.NormalizeLinefeeds(output)
+}
+
+func (gui *Gui) setViewContent(g *gocui.Gui, v *gocui.View, s string) error {
+	v.Clear()
+	fmt.Fprint(v, gui.cleanString(s))
+	return nil
+}
+
+// renderString resets the origin of a view and sets its content
 func (gui *Gui) renderString(g *gocui.Gui, viewName, s string) error {
 	g.Update(func(*gocui.Gui) error {
 		v, err := g.View(viewName)
-		// just in case the view disappeared as this function was called, we'll
-		// silently return if it's not found
 		if err != nil {
-			return nil
+			return nil // return gracefully if view has been deleted
 		}
-		v.Clear()
-		output := string(bom.Clean([]byte(s)))
-		output = utils.NormalizeLinefeeds(output)
-		fmt.Fprint(v, output)
-		v.Wrap = true
-		return nil
+		if err := v.SetOrigin(0, 0); err != nil {
+			return err
+		}
+		return gui.setViewContent(gui.g, v, s)
 	})
 	return nil
 }
@@ -267,8 +257,8 @@ func (gui *Gui) optionsMapToString(optionsMap map[string]string) string {
 	return strings.Join(optionsArray, ", ")
 }
 
-func (gui *Gui) renderOptionsMap(g *gocui.Gui, optionsMap map[string]string) error {
-	return gui.renderString(g, "options", gui.optionsMapToString(optionsMap))
+func (gui *Gui) renderOptionsMap(optionsMap map[string]string) error {
+	return gui.renderString(gui.g, "options", gui.optionsMapToString(optionsMap))
 }
 
 // TODO: refactor properly
@@ -293,6 +283,21 @@ func (gui *Gui) getBranchesView(g *gocui.Gui) *gocui.View {
 	return v
 }
 
+func (gui *Gui) getStagingView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("staging")
+	return v
+}
+
+func (gui *Gui) getMainView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("main")
+	return v
+}
+
+func (gui *Gui) getStashView(g *gocui.Gui) *gocui.View {
+	v, _ := g.View("stash")
+	return v
+}
+
 func (gui *Gui) trimmedContent(v *gocui.View) string {
 	return strings.TrimSpace(v.Buffer())
 }
@@ -304,7 +309,7 @@ func (gui *Gui) currentViewName(g *gocui.Gui) string {
 
 func (gui *Gui) resizeCurrentPopupPanel(g *gocui.Gui) error {
 	v := g.CurrentView()
-	if v.Name() == "commitMessage" || v.Name() == "confirmation" {
+	if v.Name() == "commitMessage" || v.Name() == "credentials" || v.Name() == "confirmation" {
 		return gui.resizePopupPanel(g, v)
 	}
 	return nil
@@ -314,7 +319,7 @@ func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
 	// If the confirmation panel is already displayed, just resize the width,
 	// otherwise continue
 	content := v.Buffer()
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, content)
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, v.Wrap, content)
 	vx0, vy0, vx1, vy1 := v.Dimensions()
 	if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
 		return nil
@@ -323,3 +328,68 @@ func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
 	_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
 	return err
 }
+
+// generalFocusLine takes a lineNumber to focus, and a bottomLine to ensure we can see
+func (gui *Gui) generalFocusLine(lineNumber int, bottomLine int, v *gocui.View) error {
+	_, height := v.Size()
+	overScroll := bottomLine - height + 1
+	if overScroll < 0 {
+		overScroll = 0
+	}
+	if err := v.SetOrigin(0, overScroll); err != nil {
+		return err
+	}
+	if err := v.SetCursor(0, lineNumber-overScroll); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (gui *Gui) changeSelectedLine(line *int, total int, up bool) {
+	if up {
+		if *line == -1 || *line == 0 {
+			return
+		}
+
+		*line -= 1
+	} else {
+		if *line == -1 || *line == total-1 {
+			return
+		}
+
+		*line += 1
+	}
+}
+
+func (gui *Gui) refreshSelectedLine(line *int, total int) {
+	if *line == -1 && total > 0 {
+		*line = 0
+	} else if total-1 < *line {
+		*line = total - 1
+	}
+}
+
+func (gui *Gui) renderListPanel(v *gocui.View, items interface{}) error {
+	gui.g.Update(func(g *gocui.Gui) error {
+		list, err := utils.RenderList(items)
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+		v.Clear()
+		fmt.Fprint(v, list)
+		return nil
+	})
+	return nil
+}
+
+func (gui *Gui) renderPanelOptions() error {
+	currentView := gui.g.CurrentView()
+	switch currentView.Name() {
+	case "menu":
+		return gui.renderMenuOptions()
+	case "main":
+		return gui.renderMergeOptions()
+	default:
+		return gui.renderGlobalOptions()
+	}
+}

pkg/i18n/dutch.go

@@ -30,10 +30,19 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "Stash",
 		}, &i18n.Message{
 			ID:    "CommitMessage",
-			Other: "Commit Bericht",
+			Other: "Commit bericht",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Gebruikersnaam",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Wachtwoord",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Wachtwoord en/of gebruikersnaam verkeert",
 		}, &i18n.Message{
 			ID:    "CommitChanges",
-			Other: "Commit Veranderingen",
+			Other: "Commit veranderingen",
 		}, &i18n.Message{
 			ID:    "AmendLastCommit",
 			Other: "wijzig laatste commit",
@@ -42,10 +51,10 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "Weet je zeker dat je de laatste commit wilt wijzigen? U kunt het commit-bericht wijzigen vanuit het commits-paneel.",
 		}, &i18n.Message{
 			ID:    "NoCommitToAmend",
-			Other: "Er is geen verplichting om te wijzigen.",
+			Other: "Er is geen commits om te wijzigen.",
 		}, &i18n.Message{
 			ID:    "CommitChangesWithEditor",
-			Other: "commit Veranderingen met de git editor",
+			Other: "commit veranderingen met de git editor",
 		}, &i18n.Message{
 			ID:    "StatusTitle",
 			Other: "Status",
@@ -82,12 +91,18 @@ func addDutch(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "refresh",
 			Other: "verversen",
+		}, &i18n.Message{
+			ID:    "push",
+			Other: "push",
+		}, &i18n.Message{
+			ID:    "pull",
+			Other: "pull",
 		}, &i18n.Message{
 			ID:    "addPatch",
-			Other: "verandering toevoegen",
+			Other: "bewerkingen toevoegen",
 		}, &i18n.Message{
 			ID:    "edit",
-			Other: "verander",
+			Other: "bewerken",
 		}, &i18n.Message{
 			ID:    "scroll",
 			Other: "scroll",
@@ -96,13 +111,13 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "samenvoegen afbreken",
 		}, &i18n.Message{
 			ID:    "resolveMergeConflicts",
-			Other: "verhelp samenvoegen fouten",
+			Other: "los merge conflicten op",
 		}, &i18n.Message{
 			ID:    "checkout",
 			Other: "uitchecken",
 		}, &i18n.Message{
 			ID:    "NoChangedFiles",
-			Other: "Geen Bestanden verandert",
+			Other: "Geen bestanden veranderd",
 		}, &i18n.Message{
 			ID:    "FileHasNoUnstagedChanges",
 			Other: "Het bestand heeft geen unstaged veranderingen om toe te voegen",
@@ -118,27 +133,33 @@ func addDutch(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "NoFilesDisplay",
 			Other: "Geen bestanden om te laten zien",
+		}, &i18n.Message{
+			ID:    "NotAFile",
+			Other: "Dit is geen bestand",
 		}, &i18n.Message{
 			ID:    "PullWait",
-			Other: "Pulling...",
+			Other: "Pullen...",
 		}, &i18n.Message{
 			ID:    "PushWait",
-			Other: "Pushing...",
+			Other: "Pushen...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetchen...",
 		}, &i18n.Message{
 			ID:    "FileNoMergeCons",
 			Other: "Dit bestand heeft geen merge conflicten",
 		}, &i18n.Message{
 			ID:    "SureResetHardHead",
-			Other: "Weet je het zeker dat je `reset --hard HEAD` wil uitvoeren? het kan dat je hierdoor bestanden verliest",
+			Other: "Weet je het zeker dat je `reset --hard HEAD` en `clean -fd` wil uitvoeren? Het kan dat je hierdoor bestanden verliest",
 		}, &i18n.Message{
 			ID:    "SureTo",
-			Other: "Weet je het zeker dat je {{.fileName}} wilt {{.deleteVerb}} (je veranderingen zullen worden verwijdert)",
+			Other: "Weet je het zeker dat je {{.fileName}} wilt {{.deleteVerb}} (je veranderingen zullen worden verwijderd)",
 		}, &i18n.Message{
 			ID:    "AlreadyCheckedOutBranch",
-			Other: "Je hebt uitgecheckt op deze branch",
+			Other: "Je hebt deze branch al uitgecheckt",
 		}, &i18n.Message{
 			ID:    "SureForceCheckout",
-			Other: "Weet je zeker dat je het uitchecken wil forceren? al je locale verandering zullen worden verwijdert",
+			Other: "Weet je zeker dat je het uitchecken wil forceren? Al je lokale verandering zullen worden verwijdert",
 		}, &i18n.Message{
 			ID:    "ForceCheckoutBranch",
 			Other: "Forceer uitchecken op deze branch",
@@ -156,7 +177,7 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "Verwijder branch",
 		}, &i18n.Message{
 			ID:    "DeleteBranchMessage",
-			Other: "Weet je zeker dat je branch {{.selectedBranchName}} wil verwijderen?",
+			Other: "Weet je zeker dat je branch {{.selectedBranchName}} wilt verwijderen?",
 		}, &i18n.Message{
 			ID:    "ForceDeleteBranchMessage",
 			Other: "Weet je zeker dat je branch {{.selectedBranchName}} geforceerd wil verwijderen?",
@@ -168,7 +189,7 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "forceer checkout",
 		}, &i18n.Message{
 			ID:    "merge",
-			Other: "merge",
+			Other: "samenvoegen",
 		}, &i18n.Message{
 			ID:    "checkoutByName",
 			Other: "uitchecken bij naam",
@@ -207,7 +228,7 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "squash beneden",
 		}, &i18n.Message{
 			ID:    "rename",
-			Other: "hernoem",
+			Other: "hernoemen",
 		}, &i18n.Message{
 			ID:    "resetToThisCommit",
 			Other: "reset naar deze commit",
@@ -249,7 +270,7 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "Geen commits voor deze branch",
 		}, &i18n.Message{
 			ID:    "Error",
-			Other: "Fout",
+			Other: "Foutmelding",
 		}, &i18n.Message{
 			ID:    "resizingPopupPanel",
 			Other: "resizen popup paneel",
@@ -258,16 +279,16 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "subprocess lopend",
 		}, &i18n.Message{
 			ID:    "selectHunk",
-			Other: "selecteer Hunk",
+			Other: "selecteer stuk",
 		}, &i18n.Message{
 			ID:    "navigateConflicts",
 			Other: "navigeer conflicts",
 		}, &i18n.Message{
 			ID:    "pickHunk",
-			Other: "kies Hunk",
+			Other: "kies stuk",
 		}, &i18n.Message{
 			ID:    "pickBothHunks",
-			Other: "kies bijde hunks",
+			Other: "kies beide stukken",
 		}, &i18n.Message{
 			ID:    "undo",
 			Other: "ongedaan maken",
@@ -333,28 +354,31 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: "Forceer push",
 		}, &i18n.Message{
 			ID:    "ForcePushPrompt",
-			Other: "Jou branch is afgeweken van de remote branch. Druk 'esc' om te anuleren, of 'enter' om geforceert te pushen.",
+			Other: "Jouw branch is afgeweken van de remote branch. Druk 'esc' om te annuleren, of 'enter' om geforceert te pushen.",
 		}, &i18n.Message{
 			ID:    "checkForUpdate",
 			Other: "check voor updates",
 		}, &i18n.Message{
 			ID:    "CheckingForUpdates",
-			Other: "checken voor updates...",
+			Other: "zoeken naar updates...",
 		}, &i18n.Message{
 			ID:    "OnLatestVersionErr",
 			Other: "Je hebt al de laatste versie",
 		}, &i18n.Message{
 			ID:    "MajorVersionErr",
-			Other: "Nieuwe versie ({{.newVersion}}) is niet teruggaand compatibele vergeleken met de huidige versie ({{.currentVersion}})",
+			Other: "Nieuwe versie ({{.newVersion}}) is niet backwards compatibele vergeleken met de huidige versie ({{.currentVersion}})",
 		}, &i18n.Message{
 			ID:    "CouldNotFindBinaryErr",
 			Other: "Kon geen binary vinden op {{.url}}",
 		}, &i18n.Message{
 			ID:    "AnonymousReportingTitle",
-			Other: "Help maak lazygit beter",
+			Other: "Help lazygit te verbeteren",
 		}, &i18n.Message{
 			ID:    "AnonymousReportingPrompt",
 			Other: "Zou je anonieme data rapportage willen aanzetten om lazygit beter te kunnen maken? (enter/esc)",
+		}, &i18n.Message{
+			ID:    "GitconfigParseErr",
+			Other: `Gogit kon je gitconfig bestand niet goed parsen door de aanwezigheid van losstaande '\' tekens. Het weghalen van deze tekens zou het probleem moeten oplossen. `,
 		}, &i18n.Message{
 			ID:    "removeFile",
 			Other: `Verwijder als untracked / uitchecken wordt gevolgd (ga weg)`,
@@ -372,13 +396,16 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: `refresh bestanden`,
 		}, &i18n.Message{
 			ID:    "resetHard",
-			Other: `harde reset`,
+			Other: `harde reset and verwijderen ongevolgde bestanden`,
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `merge in met huidige checked out branch`,
 		}, &i18n.Message{
 			ID:    "ConfirmQuit",
 			Other: `Weet je zeker dat je dit programma wil sluiten?`,
+		}, &i18n.Message{
+			ID:    "SwitchRepo",
+			Other: "wissel naar een recente repo",
 		}, &i18n.Message{
 			ID:    "UnsupportedGitService",
 			Other: `Niet-ondersteunde git-service`,
@@ -387,7 +414,40 @@ func addDutch(i18nObject *i18n.Bundle) error {
 			Other: `maak een pull-aanvraag`,
 		}, &i18n.Message{
 			ID:    "NoBranchOnRemote",
-			Other: `Deze tak bestaat niet op de afstandsbediening. U moet eerst op de afstandsbediening drukken.`,
+			Other: `Deze branch bestaat niet op de remote. U moet het eerst naar de remote pushen.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `Geen automatiese git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit kan niet "git fetch" uitvoeren in een privé repository, gebruik f in het branches paneel om "git fetch" manueel uit te voeren`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `stage individuele hunks/lijnen`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Kan alleen individuele lijnen stagen van getrackte bestanden met onstaged veranderingen`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Staging`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `stage hunk`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `stage lijn`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `ga terug naar het bestanden paneel`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Kan geen hunks vinden in deze patch`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Kan geen hunk vinden`,
 		},
 	)
 }

pkg/i18n/english.go

@@ -39,6 +39,15 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "CommitMessage",
 			Other: "Commit message",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Username",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Password",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Password and/or username wrong",
 		}, &i18n.Message{
 			ID:    "CommitChanges",
 			Other: "commit changes",
@@ -141,12 +150,15 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "PushWait",
 			Other: "Pushing...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetching...",
 		}, &i18n.Message{
 			ID:    "FileNoMergeCons",
 			Other: "This file has no merge conflicts",
 		}, &i18n.Message{
 			ID:    "SureResetHardHead",
-			Other: "Are you sure you want `reset --hard HEAD`? You may lose changes",
+			Other: "Are you sure you want `reset --hard HEAD` and `clean -fd`? You may lose changes",
 		}, &i18n.Message{
 			ID:    "SureTo",
 			Other: "Are you sure you want to {{.deleteVerb}} {{.fileName}} (you will lose your changes)?",
@@ -392,7 +404,7 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 			Other: `refresh files`,
 		}, &i18n.Message{
 			ID:    "resetHard",
-			Other: `reset hard`,
+			Other: `reset hard and remove untracked files`,
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `merge into currently checked out branch`,
@@ -411,6 +423,45 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "NoBranchOnRemote",
 			Other: `This branch doesn't exist on remote. You need to push it to remote first.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `No automatic git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit can't use "git fetch" in a private repo; use 'f' in the files panel to run "git fetch" manually`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `stage individual hunks/lines`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Can only stage individual lines for tracked files with unstaged changes`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Staging`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `stage hunk`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `stage line`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `return to files panel`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Could not find any hunks in this patch`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Could not find hunk`,
+		}, &i18n.Message{
+			ID:    "FastForward",
+			Other: `fast-forward this branch from its upstream`,
+		}, &i18n.Message{
+			ID:    "Fetching",
+			Other: "fetching and fast-forwarding {{.from}} -> {{.to}} ...",
 		},
 	)
 }

pkg/i18n/i18n_test.go

@@ -16,10 +16,13 @@ func getDummyLog() *logrus.Entry {
 	log.Out = ioutil.Discard
 	return log.WithField("test", "test")
 }
+
+// TestNewLocalizer is a function.
 func TestNewLocalizer(t *testing.T) {
 	assert.NotNil(t, NewLocalizer(getDummyLog()))
 }
 
+// TestDetectLanguage is a function.
 func TestDetectLanguage(t *testing.T) {
 	type scenario struct {
 		langDetector func() (string, error)
@@ -46,6 +49,7 @@ func TestDetectLanguage(t *testing.T) {
 	}
 }
 
+// TestLocalizer is a function.
 func TestLocalizer(t *testing.T) {
 	type scenario struct {
 		userLang string
@@ -76,7 +80,7 @@ func TestLocalizer(t *testing.T) {
 					},
 				}))
 				assert.Equal(t, "Diff", l.SLocalize("DiffTitle"))
-				assert.Equal(t, "Weet je zeker dat je branch test wil verwijderen?", l.TemplateLocalize("DeleteBranchMessage", Teml{"selectedBranchName": "test"}))
+				assert.Equal(t, "Weet je zeker dat je branch test wilt verwijderen?", l.TemplateLocalize("DeleteBranchMessage", Teml{"selectedBranchName": "test"}))
 			},
 		},
 	}

pkg/i18n/polish.go

@@ -29,6 +29,15 @@ func addPolish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "CommitMessage",
 			Other: "Wiadomość commita",
+		}, &i18n.Message{
+			ID:    "CredentialsUsername",
+			Other: "Username",
+		}, &i18n.Message{
+			ID:    "CredentialsPassword",
+			Other: "Password",
+		}, &i18n.Message{
+			ID:    "PassUnameWrong",
+			Other: "Password and/or username wrong",
 		}, &i18n.Message{
 			ID:    "CommitChanges",
 			Other: "commituj zmiany",
@@ -122,12 +131,15 @@ func addPolish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "PushWait",
 			Other: "Wypychanie zmian...",
+		}, &i18n.Message{
+			ID:    "FetchWait",
+			Other: "Fetching...",
 		}, &i18n.Message{
 			ID:    "FileNoMergeCons",
 			Other: "Ten plik nie powoduje konfliktów scalania",
 		}, &i18n.Message{
 			ID:    "SureResetHardHead",
-			Other: "Jesteś pewny, że chcesz wykonać `reset --hard HEAD`? Możesz stracić wprowadzone zmiany",
+			Other: "Jesteś pewny, że chcesz wykonać `reset --hard HEAD` i `clean -fd`? Możesz stracić wprowadzone zmiany",
 		}, &i18n.Message{
 			ID:    "SureTo",
 			Other: "Jesteś pewny, że chcesz {{.deleteVerb}} {{.fileName}} (stracisz swoje wprowadzone zmiany)?",
@@ -370,7 +382,7 @@ func addPolish(i18nObject *i18n.Bundle) error {
 			Other: `odśwież pliki`,
 		}, &i18n.Message{
 			ID:    "resetHard",
-			Other: `zresetuj twardo`,
+			Other: `zresetuj twardo i usuń niepotwierdzone pliki`,
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `scal do obecnej gałęzi`,
@@ -386,6 +398,39 @@ func addPolish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "NoBranchOnRemote",
 			Other: `Ta gałąź nie istnieje na zdalnym. Najpierw musisz go odepchnąć na odległość.`,
+		}, &i18n.Message{
+			ID:    "fetch",
+			Other: `fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchTitle",
+			Other: `No automatic git fetch`,
+		}, &i18n.Message{
+			ID:    "NoAutomaticGitFetchBody",
+			Other: `Lazygit can't use "git fetch" in a private repo use f in the branches panel to run "git fetch" manually`,
+		}, &i18n.Message{
+			ID:    "StageLines",
+			Other: `zatwierdź pojedyncze linie`,
+		}, &i18n.Message{
+			ID:    "FileStagingRequirements",
+			Other: `Można tylko zatwierdzić pojedyncze linie dla śledzonych plików z niezatwierdzonymi zmianami`,
+		}, &i18n.Message{
+			ID:    "StagingTitle",
+			Other: `Zatwierdzanie`,
+		}, &i18n.Message{
+			ID:    "StageHunk",
+			Other: `zatwierdź kawałek`,
+		}, &i18n.Message{
+			ID:    "StageLine",
+			Other: `zatwierdź linię`,
+		}, &i18n.Message{
+			ID:    "EscapeStaging",
+			Other: `wróć do panelu plików`,
+		}, &i18n.Message{
+			ID:    "CantFindHunks",
+			Other: `Nie można znaleźć żadnych kawałków w tej łatce`,
+		}, &i18n.Message{
+			ID:    "CantFindHunk",
+			Other: `Nie można znaleźć kawałka`,
 		},
 	)
 }

pkg/updates/updates.go

@@ -36,25 +36,24 @@ type Updaterer interface {
 	Update()
 }
 
-var (
-	projectUrl = "https://github.com/jesseduffield/lazygit"
+const (
+	PROJECT_URL = "https://github.com/jesseduffield/lazygit"
 )
 
 // NewUpdater creates a new updater
 func NewUpdater(log *logrus.Entry, config config.AppConfigurer, osCommand *commands.OSCommand, tr *i18n.Localizer) (*Updater, error) {
 	contextLogger := log.WithField("context", "updates")
 
-	updater := &Updater{
+	return &Updater{
 		Log:       contextLogger,
 		Config:    config,
 		OSCommand: osCommand,
 		Tr:        tr,
-	}
-	return updater, nil
+	}, nil
 }
 
 func (u *Updater) getLatestVersionNumber() (string, error) {
-	req, err := http.NewRequest("GET", projectUrl+"/releases/latest", nil)
+	req, err := http.NewRequest("GET", PROJECT_URL+"/releases/latest", nil)
 	if err != nil {
 		return "", err
 	}
@@ -65,17 +64,16 @@ func (u *Updater) getLatestVersionNumber() (string, error) {
 		return "", err
 	}
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
+
+	dec := json.NewDecoder(resp.Body)
+	data := struct {
+		TagName string `json:"tag_name"`
+	}{}
+	if err := dec.Decode(&data); err != nil {
 		return "", err
 	}
 
-	byt := []byte(body)
-	var dat map[string]interface{}
-	if err := json.Unmarshal(byt, &dat); err != nil {
-		return "", err
-	}
-	return dat["tag_name"].(string), nil
+	return data.TagName, nil
 }
 
 // RecordLastUpdateCheck records last time an update check was performed
@@ -225,14 +223,14 @@ func (u *Updater) getBinaryUrl(newVersion string) (string, error) {
 	}
 	url := fmt.Sprintf(
 		"%s/releases/download/%s/lazygit_%s_%s_%s.%s",
-		projectUrl,
+		PROJECT_URL,
 		newVersion,
 		newVersion[1:],
 		u.mappedOs(runtime.GOOS),
 		u.mappedArch(runtime.GOARCH),
 		extension,
 	)
-	u.Log.Info("url for latest release is " + url)
+	u.Log.Info("Url for latest release is " + url)
 	return url, nil
 }
 
@@ -251,7 +249,7 @@ func (u *Updater) update(newVersion string) error {
 	if err != nil {
 		return err
 	}
-	u.Log.Info("updating with url " + rawUrl)
+	u.Log.Info("Updating with url " + rawUrl)
 	return u.downloadAndInstall(rawUrl)
 }
 
@@ -267,7 +265,7 @@ func (u *Updater) downloadAndInstall(rawUrl string) error {
 		return err
 	}
 	defer os.RemoveAll(tempDir)
-	u.Log.Info("temp directory is " + tempDir)
+	u.Log.Info("Temp directory is " + tempDir)
 
 	// Get it!
 	if err := g.Get(tempDir, url); err != nil {
@@ -279,14 +277,14 @@ func (u *Updater) downloadAndInstall(rawUrl string) error {
 	if err != nil {
 		return err
 	}
-	u.Log.Info("binary path is " + binaryPath)
+	u.Log.Info("Binary path is " + binaryPath)
 
 	binaryName := filepath.Base(binaryPath)
-	u.Log.Info("binary name is " + binaryName)
+	u.Log.Info("Binary name is " + binaryName)
 
 	// Verify the main file exists
 	tempPath := filepath.Join(tempDir, binaryName)
-	u.Log.Info("temp path to binary is " + tempPath)
+	u.Log.Info("Temp path to binary is " + tempPath)
 	if _, err := os.Stat(tempPath); err != nil {
 		return err
 	}
@@ -296,7 +294,7 @@ func (u *Updater) downloadAndInstall(rawUrl string) error {
 	if err != nil {
 		return err
 	}
-	u.Log.Info("update complete!")
+	u.Log.Info("Update complete!")
 
 	return nil
 }

pkg/utils/utils.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"log"
@@ -214,3 +215,29 @@ func IncludesString(list []string, a string) bool {
 	}
 	return false
 }
+
+// NextIndex returns the index of the element that comes after the given number
+func NextIndex(numbers []int, currentNumber int) int {
+	for index, number := range numbers {
+		if number > currentNumber {
+			return index
+		}
+	}
+	return 0
+}
+
+// PrevIndex returns the index that comes before the given number, cycling if we reach the end
+func PrevIndex(numbers []int, currentNumber int) int {
+	end := len(numbers) - 1
+	for i := end; i >= 0; i -= 1 {
+		if numbers[i] < currentNumber {
+			return i
+		}
+	}
+	return end
+}
+
+func AsJson(i interface{}) string {
+	bytes, _ := json.MarshalIndent(i, "", "    ")
+	return string(bytes)
+}

pkg/utils/utils_test.go

@@ -7,6 +7,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+// TestSplitLines is a function.
 func TestSplitLines(t *testing.T) {
 	type scenario struct {
 		multilineString string
@@ -36,6 +37,7 @@ func TestSplitLines(t *testing.T) {
 	}
 }
 
+// TestWithPadding is a function.
 func TestWithPadding(t *testing.T) {
 	type scenario struct {
 		str      string
@@ -61,6 +63,7 @@ func TestWithPadding(t *testing.T) {
 	}
 }
 
+// TestTrimTrailingNewline is a function.
 func TestTrimTrailingNewline(t *testing.T) {
 	type scenario struct {
 		str      string
@@ -83,6 +86,7 @@ func TestTrimTrailingNewline(t *testing.T) {
 	}
 }
 
+// TestNormalizeLinefeeds is a function.
 func TestNormalizeLinefeeds(t *testing.T) {
 	type scenario struct {
 		byteArray []byte
@@ -116,6 +120,7 @@ func TestNormalizeLinefeeds(t *testing.T) {
 	}
 }
 
+// TestResolvePlaceholderString is a function.
 func TestResolvePlaceholderString(t *testing.T) {
 	type scenario struct {
 		templateString string
@@ -169,6 +174,7 @@ func TestResolvePlaceholderString(t *testing.T) {
 	}
 }
 
+// TestDisplayArraysAligned is a function.
 func TestDisplayArraysAligned(t *testing.T) {
 	type scenario struct {
 		input    [][]string
@@ -197,10 +203,12 @@ type myDisplayable struct {
 
 type myStruct struct{}
 
+// GetDisplayStrings is a function.
 func (d *myDisplayable) GetDisplayStrings() []string {
 	return d.strings
 }
 
+// TestGetDisplayStringArrays is a function.
 func TestGetDisplayStringArrays(t *testing.T) {
 	type scenario struct {
 		input    []Displayable
@@ -222,6 +230,7 @@ func TestGetDisplayStringArrays(t *testing.T) {
 	}
 }
 
+// TestRenderDisplayableList is a function.
 func TestRenderDisplayableList(t *testing.T) {
 	type scenario struct {
 		input          []Displayable
@@ -263,6 +272,7 @@ func TestRenderDisplayableList(t *testing.T) {
 	}
 }
 
+// TestRenderList is a function.
 func TestRenderList(t *testing.T) {
 	type scenario struct {
 		input          interface{}
@@ -301,6 +311,7 @@ func TestRenderList(t *testing.T) {
 	}
 }
 
+// TestGetPaddedDisplayStrings is a function.
 func TestGetPaddedDisplayStrings(t *testing.T) {
 	type scenario struct {
 		stringArrays [][]string
@@ -321,6 +332,7 @@ func TestGetPaddedDisplayStrings(t *testing.T) {
 	}
 }
 
+// TestGetPadWidths is a function.
 func TestGetPadWidths(t *testing.T) {
 	type scenario struct {
 		stringArrays [][]string
@@ -347,6 +359,7 @@ func TestGetPadWidths(t *testing.T) {
 	}
 }
 
+// TestMin is a function.
 func TestMin(t *testing.T) {
 	type scenario struct {
 		a        int
@@ -377,6 +390,7 @@ func TestMin(t *testing.T) {
 	}
 }
 
+// TestIncludesString is a function.
 func TestIncludesString(t *testing.T) {
 	type scenario struct {
 		list     []string
@@ -411,3 +425,106 @@ func TestIncludesString(t *testing.T) {
 		assert.EqualValues(t, s.expected, IncludesString(s.list, s.element))
 	}
 }
+
+func TestNextIndex(t *testing.T) {
+	type scenario struct {
+		testName string
+		list     []int
+		element  int
+		expected int
+	}
+
+	scenarios := []scenario{
+		{
+			// I'm not really fussed about how it behaves here
+			"no elements",
+			[]int{},
+			1,
+			0,
+		},
+		{
+			"one element",
+			[]int{1},
+			1,
+			0,
+		},
+		{
+			"two elements",
+			[]int{1, 2},
+			1,
+			1,
+		},
+		{
+			"two elements, giving second one",
+			[]int{1, 2},
+			2,
+			0,
+		},
+		{
+			"three elements, giving second one",
+			[]int{1, 2, 3},
+			2,
+			2,
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			assert.EqualValues(t, s.expected, NextIndex(s.list, s.element))
+		})
+	}
+}
+
+func TestPrevIndex(t *testing.T) {
+	type scenario struct {
+		testName string
+		list     []int
+		element  int
+		expected int
+	}
+
+	scenarios := []scenario{
+		{
+			// I'm not really fussed about how it behaves here
+			"no elements",
+			[]int{},
+			1,
+			-1,
+		},
+		{
+			"one element",
+			[]int{1},
+			1,
+			0,
+		},
+		{
+			"two elements",
+			[]int{1, 2},
+			1,
+			1,
+		},
+		{
+			"three elements, giving second one",
+			[]int{1, 2, 3},
+			2,
+			0,
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			assert.EqualValues(t, s.expected, PrevIndex(s.list, s.element))
+		})
+	}
+}
+
+func TestAsJson(t *testing.T) {
+	type myStruct struct {
+		a string
+	}
+
+	output := AsJson(&myStruct{a: "foo"})
+
+	// no idea why this is returning empty hashes but it's works in the app ¯\_(ツ)_/¯
+	assert.EqualValues(t, "{}", output)
+}

scripts/bump_modules.sh

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

scripts/generate_cheatsheet.go

@@ -1,54 +1,63 @@
-// run:
-//   LANG=en go run generate_cheatsheet.go
-// to generate Keybindings_en.md file in current directory
-// change LANG to generate cheatsheet in different language (if supported)
+// This "script" generates a file called Keybindings_{{.LANG}}.md
+// in current working directory.
+//
+// The content of this generated file is a keybindings cheatsheet.
+//
+// To generate cheatsheet in english run:
+//   LANG=en go run scripts/generate_cheatsheet.go
 
 package main
 
 import (
 	"fmt"
-	"os"
-	"strings"
-
 	"github.com/jesseduffield/lazygit/pkg/app"
 	"github.com/jesseduffield/lazygit/pkg/config"
-	"github.com/jesseduffield/lazygit/pkg/utils"
+	"log"
+	"os"
+	"strings"
 )
 
-func main() {
-	appConfig, _ := config.NewAppConfig("", "", "", "", "", new(bool))
-	a, _ := app.NewApp(appConfig)
-	lang := a.Tr.GetLanguage()
-	name := "Keybindings_" + lang + ".md"
-	bindings := a.Gui.GetKeybindings()
-	padWidth := a.Gui.GetMaxKeyLength(bindings)
-	file, _ := os.Create(name)
-	current := "v"
-	content := ""
-	title := ""
-
-	file.WriteString("# Lazygit " + a.Tr.SLocalize("menu"))
-
-	for _, binding := range bindings {
-		if key := a.Gui.GetKey(binding); key != "" && (binding.Description != "" || key == "x") {
-			if binding.ViewName != current {
-				current = binding.ViewName
-				if current == "" {
-					title = a.Tr.SLocalize("GlobalTitle")
-				} else {
-					title = a.Tr.SLocalize(strings.Title(current) + "Title")
-				}
-				content = fmt.Sprintf("</pre>\n\n## %s\n<pre>\n", title)
-				file.WriteString(content)
-			}
-			// workaround to include menu keybinding in cheatsheet
-			// could not add this Description field directly to keybindings.go,
-			// because then menu key would be displayed in menu itself and that is undesirable
-			if key == "x" {
-				binding.Description = a.Tr.SLocalize("menu")
-			}
-			content = fmt.Sprintf("\t<kbd>%s</kbd>%s  %s\n", key, strings.TrimPrefix(utils.WithPadding(key, padWidth), key), binding.Description)
-			file.WriteString(content)
-		}
+func writeString(file *os.File, str string) {
+	_, err := file.WriteString(str)
+	if err != nil {
+		log.Fatal(err)
 	}
 }
+
+func getTitle(mApp *app.App, viewName string) string {
+	viewTitle := strings.Title(viewName) + "Title"
+	translatedTitle := mApp.Tr.SLocalize(viewTitle)
+	formattedTitle := fmt.Sprintf("\n## %s\n\n", translatedTitle)
+	return formattedTitle
+}
+
+func main() {
+	mConfig, _ := config.NewAppConfig("", "", "", "", "", new(bool))
+	mApp, _ := app.Setup(mConfig)
+	lang := mApp.Tr.GetLanguage()
+	file, _ := os.Create("Keybindings_" + lang + ".md")
+	current := ""
+
+	writeString(file, fmt.Sprintf("# Lazygit %s\n", mApp.Tr.SLocalize("menu")))
+	writeString(file, getTitle(mApp, "global"))
+
+	writeString(file, "<pre>\n")
+
+	for _, binding := range mApp.Gui.GetKeybindings() {
+		if binding.Description == "" {
+			continue
+		}
+
+		if binding.ViewName != current {
+			current = binding.ViewName
+			writeString(file, "</pre>\n")
+			writeString(file, getTitle(mApp, current))
+			writeString(file, "<pre>\n")
+		}
+
+		info := fmt.Sprintf("  <kbd>%s</kbd>: %s\n", binding.GetKey(), binding.Description)
+		writeString(file, info)
+	}
+
+	writeString(file, "</pre>\n")
+}

scripts/push_new_patch/main.go

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

test/hooks/pre-push

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

vendor/github.com/jesseduffield/gocui/view.go

@@ -148,7 +148,6 @@ func (v *View) setRune(x, y int, ch rune, fgColor, bgColor Attribute) error {
 	if x < 0 || x >= maxX || y < 0 || y >= maxY {
 		return errors.New("invalid point")
 	}
-
 	var (
 		ry, rcy int
 		err     error
@@ -270,12 +269,19 @@ func (v *View) parseInput(ch rune) []cell {
 		if isEscape {
 			return nil
 		}
-		c := cell{
-			fgColor: v.ei.curFgColor,
-			bgColor: v.ei.curBgColor,
-			chr:     ch,
+		repeatCount := 1
+		if ch == '\t' {
+			ch = ' '
+			repeatCount = 4
+		}
+		for i := 0; i < repeatCount; i++ {
+			c := cell{
+				fgColor: v.ei.curFgColor,
+				bgColor: v.ei.curBgColor,
+				chr:     ch,
+			}
+			cells = append(cells, c)
 		}
-		cells = append(cells, c)
 	}
 
 	return cells
@@ -533,7 +539,7 @@ func lineWrap(line []cell, columns int) [][]cell {
 		n += rw
 		if n > columns {
 			n = rw
-			lines = append(lines, line[offset:i-1])
+			lines = append(lines, line[offset:i])
 			offset = i
 		}
 	}

vendor/github.com/jesseduffield/pty/License

@@ -0,0 +1,23 @@
+Copyright (c) 2011 Keith Rarick
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall
+be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/github.com/jesseduffield/pty/doc.go

@@ -0,0 +1,16 @@
+// Package pty provides functions for working with Unix terminals.
+package pty
+
+import (
+	"errors"
+	"os"
+)
+
+// ErrUnsupported is returned if a function is not
+// available on the current platform.
+var ErrUnsupported = errors.New("unsupported")
+
+// Opens a pty and its corresponding tty.
+func Open() (pty, tty *os.File, err error) {
+	return open()
+}

vendor/github.com/jesseduffield/pty/ioctl.go

@@ -0,0 +1,13 @@
+// +build !windows
+
+package pty
+
+import "syscall"
+
+func ioctl(fd, cmd, ptr uintptr) error {
+	_, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, cmd, ptr)
+	if e != 0 {
+		return e
+	}
+	return nil
+}

vendor/github.com/jesseduffield/pty/ioctl_bsd.go

@@ -0,0 +1,39 @@
+// +build darwin dragonfly freebsd netbsd openbsd
+
+package pty
+
+// from <sys/ioccom.h>
+const (
+	_IOC_VOID    uintptr = 0x20000000
+	_IOC_OUT     uintptr = 0x40000000
+	_IOC_IN      uintptr = 0x80000000
+	_IOC_IN_OUT  uintptr = _IOC_OUT | _IOC_IN
+	_IOC_DIRMASK         = _IOC_VOID | _IOC_OUT | _IOC_IN
+
+	_IOC_PARAM_SHIFT = 13
+	_IOC_PARAM_MASK  = (1 << _IOC_PARAM_SHIFT) - 1
+)
+
+func _IOC_PARM_LEN(ioctl uintptr) uintptr {
+	return (ioctl >> 16) & _IOC_PARAM_MASK
+}
+
+func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num
+}
+
+func _IO(group byte, ioctl_num uintptr) uintptr {
+	return _IOC(_IOC_VOID, group, ioctl_num, 0)
+}
+
+func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_OUT, group, ioctl_num, param_len)
+}
+
+func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_IN, group, ioctl_num, param_len)
+}
+
+func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len)
+}

vendor/github.com/jesseduffield/pty/pty_darwin.go

@@ -0,0 +1,65 @@
+package pty
+
+import (
+	"errors"
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+func open() (pty, tty *os.File, err error) {
+	pFD, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_CLOEXEC, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	p := os.NewFile(uintptr(pFD), "/dev/ptmx")
+	// In case of error after this point, make sure we close the ptmx fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
+
+	sname, err := ptsname(p)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if err := grantpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	if err := unlockpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	t, err := os.OpenFile(sname, os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	return p, t, nil
+}
+
+func ptsname(f *os.File) (string, error) {
+	n := make([]byte, _IOC_PARM_LEN(syscall.TIOCPTYGNAME))
+
+	err := ioctl(f.Fd(), syscall.TIOCPTYGNAME, uintptr(unsafe.Pointer(&n[0])))
+	if err != nil {
+		return "", err
+	}
+
+	for i, c := range n {
+		if c == 0 {
+			return string(n[:i]), nil
+		}
+	}
+	return "", errors.New("TIOCPTYGNAME string not NUL-terminated")
+}
+
+func grantpt(f *os.File) error {
+	return ioctl(f.Fd(), syscall.TIOCPTYGRANT, 0)
+}
+
+func unlockpt(f *os.File) error {
+	return ioctl(f.Fd(), syscall.TIOCPTYUNLK, 0)
+}

vendor/github.com/jesseduffield/pty/pty_dragonfly.go

@@ -0,0 +1,80 @@
+package pty
+
+import (
+	"errors"
+	"os"
+	"strings"
+	"syscall"
+	"unsafe"
+)
+
+// same code as pty_darwin.go
+func open() (pty, tty *os.File, err error) {
+	p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	// In case of error after this point, make sure we close the ptmx fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
+
+	sname, err := ptsname(p)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if err := grantpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	if err := unlockpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	t, err := os.OpenFile(sname, os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	return p, t, nil
+}
+
+func grantpt(f *os.File) error {
+	_, err := isptmaster(f.Fd())
+	return err
+}
+
+func unlockpt(f *os.File) error {
+	_, err := isptmaster(f.Fd())
+	return err
+}
+
+func isptmaster(fd uintptr) (bool, error) {
+	err := ioctl(fd, syscall.TIOCISPTMASTER, 0)
+	return err == nil, err
+}
+
+var (
+	emptyFiodgnameArg fiodgnameArg
+	ioctl_FIODNAME    = _IOW('f', 120, unsafe.Sizeof(emptyFiodgnameArg))
+)
+
+func ptsname(f *os.File) (string, error) {
+	name := make([]byte, _C_SPECNAMELEN)
+	fa := fiodgnameArg{Name: (*byte)(unsafe.Pointer(&name[0])), Len: _C_SPECNAMELEN, Pad_cgo_0: [4]byte{0, 0, 0, 0}}
+
+	err := ioctl(f.Fd(), ioctl_FIODNAME, uintptr(unsafe.Pointer(&fa)))
+	if err != nil {
+		return "", err
+	}
+
+	for i, c := range name {
+		if c == 0 {
+			s := "/dev/" + string(name[:i])
+			return strings.Replace(s, "ptm", "pts", -1), nil
+		}
+	}
+	return "", errors.New("TIOCPTYGNAME string not NUL-terminated")
+}

vendor/github.com/jesseduffield/pty/pty_freebsd.go

@@ -0,0 +1,78 @@
+package pty
+
+import (
+	"errors"
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+func posixOpenpt(oflag int) (fd int, err error) {
+	r0, _, e1 := syscall.Syscall(syscall.SYS_POSIX_OPENPT, uintptr(oflag), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return fd, err
+}
+
+func open() (pty, tty *os.File, err error) {
+	fd, err := posixOpenpt(syscall.O_RDWR | syscall.O_CLOEXEC)
+	if err != nil {
+		return nil, nil, err
+	}
+	p := os.NewFile(uintptr(fd), "/dev/pts")
+	// In case of error after this point, make sure we close the pts fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
+
+	sname, err := ptsname(p)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	t, err := os.OpenFile("/dev/"+sname, os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	return p, t, nil
+}
+
+func isptmaster(fd uintptr) (bool, error) {
+	err := ioctl(fd, syscall.TIOCPTMASTER, 0)
+	return err == nil, err
+}
+
+var (
+	emptyFiodgnameArg fiodgnameArg
+	ioctlFIODGNAME    = _IOW('f', 120, unsafe.Sizeof(emptyFiodgnameArg))
+)
+
+func ptsname(f *os.File) (string, error) {
+	master, err := isptmaster(f.Fd())
+	if err != nil {
+		return "", err
+	}
+	if !master {
+		return "", syscall.EINVAL
+	}
+
+	const n = _C_SPECNAMELEN + 1
+	var (
+		buf = make([]byte, n)
+		arg = fiodgnameArg{Len: n, Buf: (*byte)(unsafe.Pointer(&buf[0]))}
+	)
+	if err := ioctl(f.Fd(), ioctlFIODGNAME, uintptr(unsafe.Pointer(&arg))); err != nil {
+		return "", err
+	}
+
+	for i, c := range buf {
+		if c == 0 {
+			return string(buf[:i]), nil
+		}
+	}
+	return "", errors.New("FIODGNAME string not NUL-terminated")
+}

vendor/github.com/jesseduffield/pty/pty_linux.go

@@ -0,0 +1,51 @@
+package pty
+
+import (
+	"os"
+	"strconv"
+	"syscall"
+	"unsafe"
+)
+
+func open() (pty, tty *os.File, err error) {
+	p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	// In case of error after this point, make sure we close the ptmx fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
+
+	sname, err := ptsname(p)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if err := unlockpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	return p, t, nil
+}
+
+func ptsname(f *os.File) (string, error) {
+	var n _C_uint
+	err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
+	if err != nil {
+		return "", err
+	}
+	return "/dev/pts/" + strconv.Itoa(int(n)), nil
+}
+
+func unlockpt(f *os.File) error {
+	var u _C_int
+	// use TIOCSPTLCK with a zero valued arg to clear the slave pty lock
+	return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u)))
+}

vendor/github.com/jesseduffield/pty/pty_openbsd.go

@@ -0,0 +1,33 @@
+package pty
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+func open() (pty, tty *os.File, err error) {
+	/*
+	 * from ptm(4):
+	 * The PTMGET command allocates a free pseudo terminal, changes its
+	 * ownership to the caller, revokes the access privileges for all previous
+	 * users, opens the file descriptors for the master and slave devices and
+	 * returns them to the caller in struct ptmget.
+	 */
+
+	p, err := os.OpenFile("/dev/ptm", os.O_RDWR|syscall.O_CLOEXEC, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer p.Close()
+
+	var ptm ptmget
+	if err := ioctl(p.Fd(), uintptr(ioctl_PTMGET), uintptr(unsafe.Pointer(&ptm))); err != nil {
+		return nil, nil, err
+	}
+
+	pty = os.NewFile(uintptr(ptm.Cfd), "/dev/ptm")
+	tty = os.NewFile(uintptr(ptm.Sfd), "/dev/ptm")
+
+	return pty, tty, nil
+}

vendor/github.com/jesseduffield/pty/pty_unsupported.go

@@ -0,0 +1,11 @@
+// +build !linux,!darwin,!freebsd,!dragonfly,!openbsd
+
+package pty
+
+import (
+	"os"
+)
+
+func open() (pty, tty *os.File, err error) {
+	return nil, nil, ErrUnsupported
+}

vendor/github.com/jesseduffield/pty/run.go

@@ -0,0 +1,54 @@
+// +build !windows
+
+package pty
+
+import (
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+// Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+func Start(c *exec.Cmd) (pty *os.File, err error) {
+	return StartWithSize(c, nil)
+}
+
+// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+//
+// This will resize the pty to the specified size before starting the command
+func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
+	pty, tty, err := Open()
+	if err != nil {
+		return nil, err
+	}
+	defer tty.Close()
+	if sz != nil {
+		err = Setsize(pty, sz)
+		if err != nil {
+			pty.Close()
+			return nil, err
+		}
+	}
+	if c.Stdout == nil {
+		c.Stdout = tty
+	}
+	if c.Stderr == nil {
+		c.Stderr = tty
+	}
+	c.Stdin = tty
+	if c.SysProcAttr == nil {
+		c.SysProcAttr = &syscall.SysProcAttr{}
+	}
+	c.SysProcAttr.Setctty = true
+	c.SysProcAttr.Setsid = true
+	err = c.Start()
+	if err != nil {
+		pty.Close()
+		return nil, err
+	}
+	return pty, err
+}

vendor/github.com/jesseduffield/pty/types.go

@@ -0,0 +1,10 @@
+// +build ignore
+
+package pty
+
+import "C"
+
+type (
+	_C_int  C.int
+	_C_uint C.uint
+)

vendor/github.com/jesseduffield/pty/types_dragonfly.go

@@ -0,0 +1,17 @@
+// +build ignore
+
+package pty
+
+/*
+#define _KERNEL
+#include <sys/conf.h>
+#include <sys/param.h>
+#include <sys/filio.h>
+*/
+import "C"
+
+const (
+	_C_SPECNAMELEN = C.SPECNAMELEN /* max length of devicename */
+)
+
+type fiodgnameArg C.struct_fiodname_args

vendor/github.com/jesseduffield/pty/types_freebsd.go

@@ -0,0 +1,15 @@
+// +build ignore
+
+package pty
+
+/*
+#include <sys/param.h>
+#include <sys/filio.h>
+*/
+import "C"
+
+const (
+	_C_SPECNAMELEN = C.SPECNAMELEN /* max length of devicename */
+)
+
+type fiodgnameArg C.struct_fiodgname_arg

vendor/github.com/jesseduffield/pty/types_openbsd.go

@@ -0,0 +1,14 @@
+// +build ignore
+
+package pty
+
+/*
+#include <sys/time.h>
+#include <stdlib.h>
+#include <sys/tty.h>
+*/
+import "C"
+
+type ptmget C.struct_ptmget
+
+var ioctl_PTMGET = C.PTMGET

vendor/github.com/jesseduffield/pty/util.go

@@ -0,0 +1,64 @@
+// +build !windows
+
+package pty
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+// InheritSize applies the terminal size of master to slave. This should be run
+// in a signal handler for syscall.SIGWINCH to automatically resize the slave when
+// the master receives a window size change notification.
+func InheritSize(master, slave *os.File) error {
+	size, err := GetsizeFull(master)
+	if err != nil {
+		return err
+	}
+	err = Setsize(slave, size)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// Setsize resizes t to s.
+func Setsize(t *os.File, ws *Winsize) error {
+	return windowRectCall(ws, t.Fd(), syscall.TIOCSWINSZ)
+}
+
+// GetsizeFull returns the full terminal size description.
+func GetsizeFull(t *os.File) (size *Winsize, err error) {
+	var ws Winsize
+	err = windowRectCall(&ws, t.Fd(), syscall.TIOCGWINSZ)
+	return &ws, err
+}
+
+// Getsize returns the number of rows (lines) and cols (positions
+// in each line) in terminal t.
+func Getsize(t *os.File) (rows, cols int, err error) {
+	ws, err := GetsizeFull(t)
+	return int(ws.Rows), int(ws.Cols), err
+}
+
+// Winsize describes the terminal size.
+type Winsize struct {
+	Rows uint16 // ws_row: Number of rows (in cells)
+	Cols uint16 // ws_col: Number of columns (in cells)
+	X    uint16 // ws_xpixel: Width in pixels
+	Y    uint16 // ws_ypixel: Height in pixels
+}
+
+func windowRectCall(ws *Winsize, fd, a2 uintptr) error {
+	_, _, errno := syscall.Syscall(
+		syscall.SYS_IOCTL,
+		fd,
+		a2,
+		uintptr(unsafe.Pointer(ws)),
+	)
+	if errno != 0 {
+		return syscall.Errno(errno)
+	}
+	return nil
+}

vendor/github.com/jesseduffield/pty/ztypes_386.go

@@ -0,0 +1,9 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_amd64.go

@@ -0,0 +1,9 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_arm.go

@@ -0,0 +1,9 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_arm64.go

@@ -0,0 +1,11 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+// +build arm64
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_dragonfly_amd64.go

@@ -0,0 +1,14 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_dragonfly.go
+
+package pty
+
+const (
+	_C_SPECNAMELEN = 0x3f
+)
+
+type fiodgnameArg struct {
+	Name      *byte
+	Len       uint32
+	Pad_cgo_0 [4]byte
+}

vendor/github.com/jesseduffield/pty/ztypes_freebsd_386.go

@@ -0,0 +1,13 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_freebsd.go
+
+package pty
+
+const (
+	_C_SPECNAMELEN = 0x3f
+)
+
+type fiodgnameArg struct {
+	Len int32
+	Buf *byte
+}

vendor/github.com/jesseduffield/pty/ztypes_freebsd_amd64.go

@@ -0,0 +1,14 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_freebsd.go
+
+package pty
+
+const (
+	_C_SPECNAMELEN = 0x3f
+)
+
+type fiodgnameArg struct {
+	Len       int32
+	Pad_cgo_0 [4]byte
+	Buf       *byte
+}

vendor/github.com/jesseduffield/pty/ztypes_freebsd_arm.go

@@ -0,0 +1,13 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_freebsd.go
+
+package pty
+
+const (
+	_C_SPECNAMELEN = 0x3f
+)
+
+type fiodgnameArg struct {
+	Len int32
+	Buf *byte
+}

vendor/github.com/jesseduffield/pty/ztypes_mipsx.go

@@ -0,0 +1,12 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+// +build linux
+// +build mips mipsle mips64 mips64le
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_openbsd_386.go

@@ -0,0 +1,13 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_openbsd.go
+
+package pty
+
+type ptmget struct {
+	Cfd	int32
+	Sfd	int32
+	Cn	[16]int8
+	Sn	[16]int8
+}
+
+var ioctl_PTMGET = 0x40287401

vendor/github.com/jesseduffield/pty/ztypes_openbsd_amd64.go

@@ -0,0 +1,13 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_openbsd.go
+
+package pty
+
+type ptmget struct {
+	Cfd int32
+	Sfd int32
+	Cn  [16]int8
+	Sn  [16]int8
+}
+
+var ioctl_PTMGET = 0x40287401

vendor/github.com/jesseduffield/pty/ztypes_ppc64.go

@@ -0,0 +1,11 @@
+// +build ppc64
+
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_ppc64le.go

@@ -0,0 +1,11 @@
+// +build ppc64le
+
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/jesseduffield/pty/ztypes_s390x.go

@@ -0,0 +1,11 @@
+// +build s390x
+
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)