Merge branch 'master' into feature/help

conflicts resolved

26 files changed, 528 insertions, 140 deletions

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 16bafdb58..46dc0d161 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,14 +2,23 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/golang:1.10
+      - image: circleci/golang:1.11
 
     working_directory: /go/src/github.com/jesseduffield/lazygit
     steps:
       - checkout
-      - restore_cache:
-          keys:
-            - pkg-cache-{{ checksum "Gopkg.lock" }}
+      - run:
+          name: Ensure go.mod file is up to date
+          command: |
+            export GO111MODULE=on
+            mv go.mod /tmp/
+            go mod init
+            export GO111MODULE=auto
+
+            if [ $(diff /tmp/go.mod go.mod|wc -l) -gt 0 ]; then
+              diff /tmp/go.mod go.mod
+              exit 1;
+            fi
       - run:
           name: Run gofmt -s
           command: |
@@ -17,6 +26,9 @@ jobs:
              find . ! -path "./vendor/*" -name "*.go" -exec gofmt -s -d {} \;
              exit 1;
             fi
+      - restore_cache:
+          keys:
+            - pkg-cache-{{ checksum "Gopkg.lock" }}-v2
       - run:
           name: Run tests
           command: |
@@ -31,9 +43,9 @@ jobs:
           command: |
             bash <(curl -s https://codecov.io/bash)
       - save_cache:
-          key: pkg-cache-{{ checksum "Gopkg.lock" }}
+          key: pkg-cache-{{ checksum "Gopkg.lock" }}-v2
           paths:
-            - "/go/pkg"
+            - ~/.cache/go-build
 
   release:
     docker:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 540eebb79..e59a42044 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -15,9 +15,10 @@ welcome your pull requests:
 1. Fork the repo and create your branch from `master`.
 2. If you've added code that should be tested, add tests.
 3. If you've added code that need documentation, update the documentation.
-4. Be sure to test your modifications.
-5. Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
-6. Issue that pull request!
+4. Make sure your code follows the [effective go](https://golang.org/doc/effective_go.html) guidelines as much as possible.
+5. Be sure to test your modifications.
+6. Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
+7. Issue that pull request!
 
 ## Code of conduct
 Please note by participating in this project, you agree to abide by the [code of conduct].
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000..092e82a46
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+# run with:
+# docker build -t lazygit .
+# docker run -it lazygit:latest
+
+FROM golang:alpine
+
+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
\ No newline at end of file
diff --git a/Gopkg.lock b/Gopkg.lock
index e0df88b2d..2bbaa2118 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -189,11 +189,11 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:acbcdae312c37a8019e0f573a9be26499058d5e1244243655373d2fd97714658"
+  digest = "1:71e6c15797951d3fabaa944d70253e36a6cee96bf54ca0bc43ca3de3b4814bbb"
   name = "github.com/jesseduffield/gocui"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "5d9e836837237cb3aadca51ecb37c7cf3345bfa4"
+  revision = "2cb6e95bbbf850bb32cc1799e07d08ff0f144746"
 
 [[projects]]
   digest = "1:ac6d01547ec4f7f673311b4663909269bfb8249952de3279799289467837c3cc"
@@ -611,7 +611,6 @@
   analyzer-version = 1
   input-imports = [
     "github.com/cloudfoundry/jibber_jabber",
-    "github.com/davecgh/go-spew/spew",
     "github.com/fatih/color",
     "github.com/golang-collections/collections/stack",
     "github.com/heroku/rollrus",
diff --git a/README.md b/README.md
index 28fe9c399..4f40e8f8e 100644
--- a/README.md
+++ b/README.md
@@ -131,3 +131,7 @@ feel free to [raise an issue](https://github.com/jesseduffield/lazygit/issues)/[
 If you want to see what I (Jesse) am up to in terms of development, follow me on
 [twitter](https://twitter.com/DuffieldJesse) or watch me program on
 [twitch](https://www.twitch.tv/jesseduffield).
+
+## Alternatives
+If you find that lazygit doesn't quite satisfy your requirements, these may be a better fit:
+- [tig](https://github.com/jonas/tig)
diff --git a/docs/Config.md b/docs/Config.md
index d428603bc..7f342df7f 100644
--- a/docs/Config.md
+++ b/docs/Config.md
@@ -14,10 +14,13 @@
         - white
       optionsTextColor:
         - blue
+    commitLength:
+      show: true
   update:
     method: prompt # can be: prompt | background | never
     days: 14 # how often an update is checked for
   reporting: 'undetermined' # one of: 'on' | 'off' | 'undetermined'
+  confirmOnQuit: false
 ```
 
 ## Platform Defaults:
@@ -33,7 +36,7 @@
 
 ```
   os:
-    openCommand: 'bash -c \"xdg-open {{filename}} &>/dev/null &\"'
+    openCommand: 'sh -c "xdg-open {{filename}} >/dev/null"'
 ```
 
 ### OSX:
diff --git a/go.mod b/go.mod
new file mode 100644
index 000000000..02db8a03e
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,62 @@
+module github.com/jesseduffield/lazygit
+
+require (
+	github.com/aws/aws-sdk-go v1.15.21
+	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d
+	github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21
+	github.com/davecgh/go-spew v1.1.0
+	github.com/emirpasic/gods v1.9.0
+	github.com/fatih/color v1.7.0
+	github.com/fsnotify/fsnotify v1.4.7
+	github.com/go-ini/ini v1.38.2
+	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
+	github.com/hashicorp/go-cleanhttp v0.0.0-20171218145408-d5fe4b57a186
+	github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001
+	github.com/hashicorp/go-safetemp v0.0.0-20180326211150-b1a1dbde6fdc
+	github.com/hashicorp/go-version v1.0.0
+	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce
+	github.com/heroku/rollrus v0.0.0-20180515183152-fc0cef2ff331
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99
+	github.com/jesseduffield/go-getter v0.0.0-20180822080847-906e15686e63
+	github.com/jesseduffield/gocui v0.0.0-20180905104005-2cb6e95bbbf8
+	github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8
+	github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1
+	github.com/kevinburke/ssh_config v0.0.0-20180317175531-9fc7bb800b55
+	github.com/magiconair/properties v1.8.0
+	github.com/mattn/go-colorable v0.0.9
+	github.com/mattn/go-isatty v0.0.3
+	github.com/mattn/go-runewidth v0.0.2
+	github.com/mgutz/str v1.2.0
+	github.com/mitchellh/go-homedir v0.0.0-20180801233206-58046073cbff
+	github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77
+	github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699
+	github.com/nicksnyder/go-i18n v0.0.0-20180803040939-a16b91a3ba80
+	github.com/nsf/termbox-go v0.0.0-20180613055208-5c94acc5e6eb
+	github.com/pelletier/go-buffruneio v0.2.0
+	github.com/pelletier/go-toml v1.2.0
+	github.com/pkg/errors v0.8.0
+	github.com/pmezard/go-difflib v1.0.0
+	github.com/sergi/go-diff v1.0.0
+	github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0
+	github.com/sirupsen/logrus v1.0.6
+	github.com/spf13/afero v1.1.1
+	github.com/spf13/cast v1.2.0
+	github.com/spf13/jwalterweatherman v0.0.0-20180814060501-14d3d4c51834
+	github.com/spf13/pflag v1.0.2
+	github.com/spf13/viper v1.1.0
+	github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad
+	github.com/src-d/gcfg v1.3.0
+	github.com/stretchr/testify v1.2.2
+	github.com/stvp/roll v0.0.0-20170522205222-3627a5cbeaea
+	github.com/tcnksm/go-gitconfig v0.1.2
+	github.com/ulikunitz/xz v0.5.4
+	github.com/xanzy/ssh-agent v0.2.0
+	golang.org/x/crypto v0.0.0-20180808211826-de0752318171
+	golang.org/x/net v0.0.0-20180811021610-c39426892332
+	golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0
+	golang.org/x/text v0.3.0
+	gopkg.in/src-d/go-billy.v4 v4.2.0
+	gopkg.in/src-d/go-git.v4 v4.0.0-20180807092216-43d17e14b714
+	gopkg.in/warnings.v0 v0.1.2
+	gopkg.in/yaml.v2 v2.2.1
+)
diff --git a/main.go b/main.go
index 4303af02f..890b69a7f 100644
--- a/main.go
+++ b/main.go
@@ -43,11 +43,11 @@ func main() {
 		panic(err)
 	}
 
-	app, err := app.NewApp(appConfig)
+	app, err := app.Setup(appConfig)
 	if err != nil {
 		app.Log.Error(err.Error())
 		panic(err)
 	}
-	app.GitCommand.SetupGit()
+
 	app.Gui.RunWithSubprocesses()
 }
diff --git a/pkg/app/app.go b/pkg/app/app.go
index fa2415fc3..b03ec5b42 100644
--- a/pkg/app/app.go
+++ b/pkg/app/app.go
@@ -65,8 +65,8 @@ func newLogger(config config.AppConfigurer) *logrus.Entry {
 	})
 }
 
-// NewApp retruns a new applications
-func NewApp(config config.AppConfigurer) (*App, error) {
+// Setup bootstrap a new application
+func Setup(config config.AppConfigurer) (*App, error) {
 	app := &App{
 		closers: []io.Closer{},
 		Config:  config,
diff --git a/pkg/commands/git.go b/pkg/commands/git.go
index 704a45c73..61c566780 100644
--- a/pkg/commands/git.go
+++ b/pkg/commands/git.go
@@ -15,6 +15,48 @@ import (
 	gogit "gopkg.in/src-d/go-git.v4"
 )
 
+func verifyInGitRepo(runCmd func(string) error) error {
+	return runCmd("git status")
+}
+
+func navigateToRepoRootDirectory(stat func(string) (os.FileInfo, error), chdir func(string) error) error {
+	for {
+		f, err := stat(".git")
+
+		if err == nil && f.IsDir() {
+			return nil
+		}
+
+		if !os.IsNotExist(err) {
+			return err
+		}
+
+		if err = chdir(".."); err != nil {
+			return err
+		}
+	}
+}
+
+func setupRepositoryAndWorktree(openGitRepository func(string) (*gogit.Repository, error), sLocalize func(string) string) (repository *gogit.Repository, worktree *gogit.Worktree, err error) {
+	repository, err = openGitRepository(".")
+
+	if err != nil {
+		if strings.Contains(err.Error(), `unquoted '\' must be followed by new line`) {
+			return nil, nil, errors.New(sLocalize("GitconfigParseErr"))
+		}
+
+		return
+	}
+
+	worktree, err = repository.Worktree()
+
+	if err != nil {
+		return
+	}
+
+	return
+}
+
 // GitCommand is our main git interface
 type GitCommand struct {
 	Log       *logrus.Entry
@@ -26,22 +68,36 @@ type GitCommand struct {
 
 // NewGitCommand it runs git commands
 func NewGitCommand(log *logrus.Entry, osCommand *OSCommand, tr *i18n.Localizer) (*GitCommand, error) {
-	gitCommand := &GitCommand{
-		Log:       log,
-		OSCommand: osCommand,
-		Tr:        tr,
+	var worktree *gogit.Worktree
+	var repo *gogit.Repository
+
+	fs := []func() error{
+		func() error {
+			return verifyInGitRepo(osCommand.RunCommand)
+		},
+		func() error {
+			return navigateToRepoRootDirectory(os.Stat, os.Chdir)
+		},
+		func() error {
+			var err error
+			repo, worktree, err = setupRepositoryAndWorktree(gogit.PlainOpen, tr.SLocalize)
+			return err
+		},
 	}
-	return gitCommand, nil
-}
 
-// SetupGit sets git repo up
-func (c *GitCommand) SetupGit() {
-	c.verifyInGitRepo()
-	c.navigateToRepoRootDirectory()
-	if err := c.setupWorktree(); err != nil {
-		c.Log.Error(err)
-		panic(err)
+	for _, f := range fs {
+		if err := f(); err != nil {
+			return nil, err
+		}
 	}
+
+	return &GitCommand{
+		Log:       log,
+		OSCommand: osCommand,
+		Tr:        tr,
+		Worktree:  worktree,
+		Repo:      repo,
+	}, nil
 }
 
 // GetStashEntries stash entryies
@@ -145,46 +201,11 @@ func (c *GitCommand) MergeStatusFiles(oldFiles, newFiles []File) []File {
 	return append(headResults, tailResults...)
 }
 
-func (c *GitCommand) verifyInGitRepo() {
-	if output, err := c.OSCommand.RunCommandWithOutput("git status"); err != nil {
-		fmt.Println(output)
-		os.Exit(1)
-	}
-}
-
 // GetBranchName branch name
 func (c *GitCommand) GetBranchName() (string, error) {
 	return c.OSCommand.RunCommandWithOutput("git symbolic-ref --short HEAD")
 }
 
-func (c *GitCommand) navigateToRepoRootDirectory() {
-	_, err := os.Stat(".git")
-	for os.IsNotExist(err) {
-		c.Log.Debug("going up a directory to find the root")
-		os.Chdir("..")
-		_, err = os.Stat(".git")
-	}
-}
-
-func (c *GitCommand) setupWorktree() error {
-	r, err := gogit.PlainOpen(".")
-	if err != nil {
-		if strings.Contains(err.Error(), `unquoted '\' must be followed by new line`) {
-			errorMessage := c.Tr.SLocalize("GitconfigParseErr")
-			return errors.New(errorMessage)
-		}
-		return err
-	}
-	c.Repo = r
-
-	w, err := r.Worktree()
-	if err != nil {
-		return err
-	}
-	c.Worktree = w
-	return nil
-}
-
 // ResetHard does the equivalent of `git reset --hard HEAD`
 func (c *GitCommand) ResetHard() error {
 	return c.Worktree.Reset(&gogit.ResetOptions{Mode: gogit.HardReset})
@@ -434,15 +455,6 @@ func (c *GitCommand) GetBranchGraph(branchName string) (string, error) {
 	return c.OSCommand.RunCommandWithOutput("git log --graph --color --abbrev-commit --decorate --date=relative --pretty=medium -100 " + branchName)
 }
 
-// Map (from https://gobyexample.com/collection-functions)
-func Map(vs []string, f func(string) string) []string {
-	vsm := make([]string, len(vs))
-	for i, v := range vs {
-		vsm[i] = f(v)
-	}
-	return vsm
-}
-
 func includesString(list []string, a string) bool {
 	for _, b := range list {
 		if b == a {
diff --git a/pkg/commands/git_test.go b/pkg/commands/git_test.go
index fb3bafe6c..777eebaec 100644
--- a/pkg/commands/git_test.go
+++ b/pkg/commands/git_test.go
@@ -1,15 +1,53 @@
 package commands
 
 import (
+	"fmt"
 	"io/ioutil"
+	"os"
 	"os/exec"
 	"testing"
+	"time"
 
+	"github.com/jesseduffield/lazygit/pkg/i18n"
 	"github.com/jesseduffield/lazygit/pkg/test"
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
+	gogit "gopkg.in/src-d/go-git.v4"
 )
 
+type fileInfoMock struct {
+	name        string
+	size        int64
+	fileMode    os.FileMode
+	fileModTime time.Time
+	isDir       bool
+	sys         interface{}
+}
+
+func (f fileInfoMock) Name() string {
+	return f.name
+}
+
+func (f fileInfoMock) Size() int64 {
+	return f.size
+}
+
+func (f fileInfoMock) Mode() os.FileMode {
+	return f.fileMode
+}
+
+func (f fileInfoMock) ModTime() time.Time {
+	return f.fileModTime
+}
+
+func (f fileInfoMock) IsDir() bool {
+	return f.isDir
+}
+
+func (f fileInfoMock) Sys() interface{} {
+	return f.sys
+}
+
 func newDummyLog() *logrus.Entry {
 	log := logrus.New()
 	log.Out = ioutil.Discard
@@ -20,6 +58,201 @@ func newDummyGitCommand() *GitCommand {
 	return &GitCommand{
 		Log:       newDummyLog(),
 		OSCommand: newDummyOSCommand(),
+		Tr:        i18n.NewLocalizer(newDummyLog()),
+	}
+}
+
+func TestVerifyInGitRepo(t *testing.T) {
+	type scenario struct {
+		runCmd func(string) error
+		test   func(error)
+	}
+
+	scenarios := []scenario{
+		{
+			func(string) error {
+				return nil
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			func(string) error {
+				return fmt.Errorf("fatal: Not a git repository (or any of the parent directories): .git")
+			},
+			func(err error) {
+				assert.Error(t, err)
+				assert.Regexp(t, "fatal: .ot a git repository \\(or any of the parent directories\\): \\.git", err.Error())
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(verifyInGitRepo(s.runCmd))
+	}
+}
+
+func TestNavigateToRepoRootDirectory(t *testing.T) {
+	type scenario struct {
+		stat  func(string) (os.FileInfo, error)
+		chdir func(string) error
+		test  func(error)
+	}
+
+	scenarios := []scenario{
+		{
+			func(string) (os.FileInfo, error) {
+				return fileInfoMock{isDir: true}, nil
+			},
+			func(string) error {
+				return nil
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			func(string) (os.FileInfo, error) {
+				return nil, fmt.Errorf("An error occurred")
+			},
+			func(string) error {
+				return nil
+			},
+			func(err error) {
+				assert.Error(t, err)
+				assert.EqualError(t, err, "An error occurred")
+			},
+		},
+		{
+			func(string) (os.FileInfo, error) {
+				return nil, os.ErrNotExist
+			},
+			func(string) error {
+				return fmt.Errorf("An error occurred")
+			},
+			func(err error) {
+				assert.Error(t, err)
+				assert.EqualError(t, err, "An error occurred")
+			},
+		},
+		{
+			func(string) (os.FileInfo, error) {
+				return nil, os.ErrNotExist
+			},
+			func(string) error {
+				return fmt.Errorf("An error occurred")
+			},
+			func(err error) {
+				assert.Error(t, err)
+				assert.EqualError(t, err, "An error occurred")
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(navigateToRepoRootDirectory(s.stat, s.chdir))
+	}
+}
+
+func TestSetupRepositoryAndWorktree(t *testing.T) {
+	type scenario struct {
+		openGitRepository func(string) (*gogit.Repository, error)
+		sLocalize         func(string) string
+		test              func(*gogit.Repository, *gogit.Worktree, error)
+	}
+
+	scenarios := []scenario{
+		{
+			func(string) (*gogit.Repository, error) {
+				return nil, fmt.Errorf(`unquoted '\' must be followed by new line`)
+			},
+			func(string) string {
+				return "error translated"
+			},
+			func(r *gogit.Repository, w *gogit.Worktree, err error) {
+				assert.Error(t, err)
+				assert.EqualError(t, err, "error translated")
+			},
+		},
+		{
+			func(string) (*gogit.Repository, error) {
+				return nil, fmt.Errorf("Error from inside gogit")
+			},
+			func(string) string { return "" },
+			func(r *gogit.Repository, w *gogit.Worktree, err error) {
+				assert.Error(t, err)
+				assert.EqualError(t, err, "Error from inside gogit")
+			},
+		},
+		{
+			func(string) (*gogit.Repository, error) {
+				return &gogit.Repository{}, nil
+			},
+			func(string) string { return "" },
+			func(r *gogit.Repository, w *gogit.Worktree, err error) {
+				assert.Error(t, err)
+				assert.Equal(t, gogit.ErrIsBareRepository, err)
+			},
+		},
+		{
+			func(string) (*gogit.Repository, error) {
+				assert.NoError(t, os.RemoveAll("/tmp/lazygit-test"))
+				r, err := gogit.PlainInit("/tmp/lazygit-test", false)
+				assert.NoError(t, err)
+				return r, nil
+			},
+			func(string) string { return "" },
+			func(r *gogit.Repository, w *gogit.Worktree, err error) {
+				assert.NoError(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.test(setupRepositoryAndWorktree(s.openGitRepository, s.sLocalize))
+	}
+}
+
+func TestNewGitCommand(t *testing.T) {
+	actual, err := os.Getwd()
+	assert.NoError(t, err)
+
+	defer func() {
+		assert.NoError(t, os.Chdir(actual))
+	}()
+
+	type scenario struct {
+		setup func()
+		test  func(*GitCommand, error)
+	}
+
+	scenarios := []scenario{
+		{
+			func() {
+				assert.NoError(t, os.Chdir("/tmp"))
+			},
+			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())
+			},
+		},
+		{
+			func() {
+				assert.NoError(t, os.RemoveAll("/tmp/lazygit-test"))
+				_, err := gogit.PlainInit("/tmp/lazygit-test", false)
+				assert.NoError(t, err)
+				assert.NoError(t, os.Chdir("/tmp/lazygit-test"))
+			},
+			func(gitCmd *GitCommand, err error) {
+				assert.NoError(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		s.setup()
+		s.test(NewGitCommand(newDummyLog(), newDummyOSCommand(), i18n.NewLocalizer(newDummyLog())))
 	}
 }
 
diff --git a/pkg/commands/os_test.go b/pkg/commands/os_test.go
index 5d1644a38..01173fb15 100644
--- a/pkg/commands/os_test.go
+++ b/pkg/commands/os_test.go
@@ -46,7 +46,7 @@ func TestOSCommandRunCommandWithOutput(t *testing.T) {
 		{
 			"rmdir unexisting-folder",
 			func(output string, err error) {
-				assert.Regexp(t, "rmdir: .* 'unexisting-folder': .*", err.Error())
+				assert.Regexp(t, "rmdir.*unexisting-folder.*", err.Error())
 			},
 		},
 	}
@@ -66,7 +66,7 @@ func TestOSCommandRunCommand(t *testing.T) {
 		{
 			"rmdir unexisting-folder",
 			func(err error) {
-				assert.Regexp(t, "rmdir: .* 'unexisting-folder': .*", err.Error())
+				assert.Regexp(t, "rmdir.*unexisting-folder.*", err.Error())
 			},
 		},
 	}
diff --git a/pkg/config/app_config.go b/pkg/config/app_config.go
index 3c272e520..7cde63de1 100644
--- a/pkg/config/app_config.go
+++ b/pkg/config/app_config.go
@@ -222,10 +222,13 @@ func GetDefaultConfig() []byte {
       - white
     optionsTextColor:
       - blue
+  commitLength:
+    show: true
 update:
   method: prompt # can be: prompt | background | never
   days: 14 # how often a update is checked for
 reporting: 'undetermined' # one of: 'on' | 'off' | 'undetermined'
+confirmOnQuit: false
 `)
 }
 
diff --git a/pkg/config/config_linux.go b/pkg/config/config_linux.go
index ef30ac7d2..90e922416 100644
--- a/pkg/config/config_linux.go
+++ b/pkg/config/config_linux.go
@@ -4,5 +4,5 @@ package config
 func GetPlatformDefaultConfig() []byte {
 	return []byte(
 		`os:
-  openCommand: 'bash -c \"xdg-open {{filename}} &>/dev/null &\"'`)
+  openCommand: 'sh -c "xdg-open {{filename}} >/dev/null"'`)
 }
diff --git a/pkg/gui/commit_message_panel.go b/pkg/gui/commit_message_panel.go
index 26db703f0..99d649102 100644
--- a/pkg/gui/commit_message_panel.go
+++ b/pkg/gui/commit_message_panel.go
@@ -1,6 +1,9 @@
 package gui
 
 import (
+	"strconv"
+	"strings"
+
 	"github.com/jesseduffield/gocui"
 )
 
@@ -33,20 +36,6 @@ func (gui *Gui) handleCommitClose(g *gocui.Gui, v *gocui.View) error {
 	return gui.switchFocus(g, v, gui.getFilesView(g))
 }
 
-func (gui *Gui) handleNewlineCommitMessage(g *gocui.Gui, v *gocui.View) error {
-	// resising ahead of time so that the top line doesn't get hidden to make
-	// room for the cursor on the second line
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, v.Buffer())
-	if _, err := g.SetView("commitMessage", x0, y0, x1, y1+1, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-	}
-
-	v.EditNewLine()
-	return nil
-}
-
 func (gui *Gui) handleCommitFocused(g *gocui.Gui, v *gocui.View) error {
 	message := gui.Tr.TemplateLocalize(
 		"CloseConfirm",
@@ -57,3 +46,42 @@ func (gui *Gui) handleCommitFocused(g *gocui.Gui, v *gocui.View) error {
 	)
 	return gui.renderString(g, "options", message)
 }
+
+func (gui *Gui) simpleEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
+	switch {
+	case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
+		v.EditDelete(true)
+	case key == gocui.KeyDelete:
+		v.EditDelete(false)
+	case key == gocui.KeyArrowDown:
+		v.MoveCursor(0, 1, false)
+	case key == gocui.KeyArrowUp:
+		v.MoveCursor(0, -1, false)
+	case key == gocui.KeyArrowLeft:
+		v.MoveCursor(-1, 0, false)
+	case key == gocui.KeyArrowRight:
+		v.MoveCursor(1, 0, false)
+	case key == gocui.KeyTab:
+		v.EditNewLine()
+	case key == gocui.KeySpace:
+		v.EditWrite(' ')
+	case key == gocui.KeyInsert:
+		v.Overwrite = !v.Overwrite
+	default:
+		v.EditWrite(ch)
+	}
+
+	gui.RenderCommitLength()
+}
+
+func (gui *Gui) getBufferLength(view *gocui.View) string {
+	return " " + strconv.Itoa(strings.Count(view.Buffer(), "")-1) + " "
+}
+
+func (gui *Gui) RenderCommitLength() {
+	if !gui.Config.GetUserConfig().GetBool("gui.commitLength.show") {
+		return
+	}
+	v := gui.getCommitMessageView(gui.g)
+	v.Subtitle = gui.getBufferLength(v)
+}
diff --git a/pkg/gui/confirmation_panel.go b/pkg/gui/confirmation_panel.go
index 1702b1df6..58577e430 100644
--- a/pkg/gui/confirmation_panel.go
+++ b/pkg/gui/confirmation_panel.go
@@ -11,7 +11,6 @@ import (
 
 	"github.com/fatih/color"
 	"github.com/jesseduffield/gocui"
-	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
 func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error) func(*gocui.Gui, *gocui.View) error {
@@ -116,20 +115,6 @@ func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, t
 	return nil
 }
 
-func (gui *Gui) handleNewline(g *gocui.Gui, v *gocui.View) error {
-	// resising ahead of time so that the top line doesn't get hidden to make
-	// room for the cursor on the second line
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, v.Buffer())
-	if _, err := g.SetView("confirmation", x0, y0, x1, y1+1, 0); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-	}
-
-	v.EditNewLine()
-	return nil
-}
-
 func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
 	actions := gui.Tr.TemplateLocalize(
 		"CloseConfirm",
@@ -144,9 +129,6 @@ func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*go
 	if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, gui.wrappedConfirmationFunction(handleConfirm)); err != nil {
 		return err
 	}
-	if err := g.SetKeybinding("confirmation", gocui.KeyTab, gocui.ModNone, gui.handleNewline); err != nil {
-		return err
-	}
 	return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, gui.wrappedConfirmationFunction(handleClose))
 }
 
@@ -161,17 +143,3 @@ func (gui *Gui) createErrorPanel(g *gocui.Gui, message string) error {
 	coloredMessage := colorFunction(strings.TrimSpace(message))
 	return gui.createConfirmationPanel(g, currentView, gui.Tr.SLocalize("Error"), coloredMessage, nil, nil)
 }
-
-func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
-	// If the confirmation panel is already displayed, just resize the width,
-	// otherwise continue
-	content := utils.TrimTrailingNewline(v.Buffer())
-	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, content)
-	vx0, vy0, vx1, vy1 := v.Dimensions()
-	if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
-		return nil
-	}
-	gui.Log.Info(gui.Tr.SLocalize("resizingPopupPanel"))
-	_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
-	return err
-}
diff --git a/pkg/gui/files_panel.go b/pkg/gui/files_panel.go
index 52366304b..bfcc938bb 100644
--- a/pkg/gui/files_panel.go
+++ b/pkg/gui/files_panel.go
@@ -202,6 +202,7 @@ func (gui *Gui) handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
 	g.Update(func(g *gocui.Gui) error {
 		g.SetViewOnTop("commitMessage")
 		gui.switchFocus(g, filesView, commitMessageView)
+		gui.RenderCommitLength()
 		return nil
 	})
 	return nil
diff --git a/pkg/gui/gui.go b/pkg/gui/gui.go
index c27b77da3..e3cc61529 100644
--- a/pkg/gui/gui.go
+++ b/pkg/gui/gui.go
@@ -263,6 +263,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 			commitMessageView.Title = gui.Tr.SLocalize("CommitMessage")
 			commitMessageView.FgColor = gocui.ColorWhite
 			commitMessageView.Editable = true
+			commitMessageView.Editor = gocui.EditorFunc(gui.simpleEditor)
 		}
 	}
 
@@ -308,9 +309,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		}
 	}
 
-	gui.resizePopupPanels(g)
-
-	return nil
+	return gui.resizeCurrentPopupPanel(g)
 }
 
 func (gui *Gui) promptAnonymousReporting() error {
@@ -365,14 +364,6 @@ func (gui *Gui) goEvery(g *gocui.Gui, interval time.Duration, function func(*goc
 	}()
 }
 
-func (gui *Gui) resizePopupPanels(g *gocui.Gui) error {
-	v := g.CurrentView()
-	if v.Name() == "commitMessage" || v.Name() == "confirmation" {
-		return gui.resizePopupPanel(g, v)
-	}
-	return nil
-}
-
 // Run setup the gui with keybindings and start the mainloop
 func (gui *Gui) Run() error {
 	g, err := gocui.NewGui(gocui.OutputNormal, OverlappingEdges)
@@ -430,5 +421,10 @@ func (gui *Gui) quit(g *gocui.Gui, v *gocui.View) error {
 	if gui.State.Updating {
 		return gui.createUpdateQuitConfirmation(g, v)
 	}
+	if gui.Config.GetUserConfig().GetBool("confirmOnQuit") {
+		return gui.createConfirmationPanel(g, v, "", gui.Tr.SLocalize("ConfirmQuit"), func(g *gocui.Gui, v *gocui.View) error {
+			return gocui.ErrQuit
+		}, nil)
+	}
 	return gocui.ErrQuit
 }
diff --git a/pkg/gui/keybindings.go b/pkg/gui/keybindings.go
index 7f07893b7..c8ed7d3c8 100644
--- a/pkg/gui/keybindings.go
+++ b/pkg/gui/keybindings.go
@@ -340,11 +340,6 @@ func (gui *Gui) GetKeybindings() []Binding {
 			Modifier: gocui.ModNone,
 			Handler:  gui.handleCommitClose,
 		}, {
-			ViewName: "commitMessage",
-			Key:      gocui.KeyTab,
-			Modifier: gocui.ModNone,
-			Handler:  gui.handleNewlineCommitMessage,
-		}, {
 			ViewName: "menu",
 			Key:      gocui.KeyEsc,
 			Modifier: gocui.ModNone,
diff --git a/pkg/gui/view_helpers.go b/pkg/gui/view_helpers.go
index 88b74d12e..7a5bd8874 100644
--- a/pkg/gui/view_helpers.go
+++ b/pkg/gui/view_helpers.go
@@ -277,3 +277,25 @@ func (gui *Gui) currentViewName(g *gocui.Gui) string {
 	currentView := g.CurrentView()
 	return currentView.Name()
 }
+
+func (gui *Gui) resizeCurrentPopupPanel(g *gocui.Gui) error {
+	v := g.CurrentView()
+	if v.Name() == "commitMessage" || v.Name() == "confirmation" {
+		return gui.resizePopupPanel(g, v)
+	}
+	return nil
+}
+
+func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
+	// If the confirmation panel is already displayed, just resize the width,
+	// otherwise continue
+	content := v.Buffer()
+	x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, content)
+	vx0, vy0, vx1, vy1 := v.Dimensions()
+	if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
+		return nil
+	}
+	gui.Log.Info(gui.Tr.SLocalize("resizingPopupPanel"))
+	_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
+	return err
+}
diff --git a/pkg/i18n/dutch.go b/pkg/i18n/dutch.go
index 7a3ba16b0..21330e55c 100644
--- a/pkg/i18n/dutch.go
+++ b/pkg/i18n/dutch.go
@@ -367,6 +367,9 @@ func addDutch(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `merge into currently checked out branch`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Are you sure you want to quit?`,
 		},
 	)
 }
diff --git a/pkg/i18n/english.go b/pkg/i18n/english.go
index c92d5510a..677fa295b 100644
--- a/pkg/i18n/english.go
+++ b/pkg/i18n/english.go
@@ -387,6 +387,9 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `merge into currently checked out branch`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Are you sure you want to quit?`,
 		},
 	)
 }
diff --git a/pkg/i18n/polish.go b/pkg/i18n/polish.go
index 0e3702f43..c64ab87b8 100644
--- a/pkg/i18n/polish.go
+++ b/pkg/i18n/polish.go
@@ -365,6 +365,9 @@ func addPolish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "mergeIntoCurrentBranch",
 			Other: `scal do obecnej gałęzi`,
+		}, &i18n.Message{
+			ID:    "ConfirmQuit",
+			Other: `Na pewno chcesz wyjść z programu?`,
 		},
 	)
 }
diff --git a/vendor/github.com/jesseduffield/gocui/edit.go b/vendor/github.com/jesseduffield/gocui/edit.go
index a5e6f690b..c339d75fb 100644
--- a/vendor/github.com/jesseduffield/gocui/edit.go
+++ b/vendor/github.com/jesseduffield/gocui/edit.go
@@ -114,8 +114,8 @@ func (v *View) EditDelete(back bool) {
 func (v *View) EditNewLine() {
 	v.breakLine(v.cx, v.cy)
 	v.ox = 0
+	v.cy = v.cy + 1
 	v.cx = 0
-	v.MoveCursor(0, 1, true)
 }
 
 // MoveCursor moves the cursor taking into account the width of the line/view,
diff --git a/vendor/github.com/jesseduffield/gocui/gui.go b/vendor/github.com/jesseduffield/gocui/gui.go
index 26ba79bd6..4393c06c4 100644
--- a/vendor/github.com/jesseduffield/gocui/gui.go
+++ b/vendor/github.com/jesseduffield/gocui/gui.go
@@ -476,6 +476,11 @@ func (g *Gui) flush() error {
 					return err
 				}
 			}
+			if v.Subtitle != "" {
+				if err := g.drawSubtitle(v, fgColor, bgColor); err != nil {
+					return err
+				}
+			}
 		}
 		if err := g.draw(v); err != nil {
 			return err
@@ -582,6 +587,25 @@ func (g *Gui) drawTitle(v *View, fgColor, bgColor Attribute) error {
 	return nil
 }
 
+// drawSubtitle draws the subtitle of the view.
+func (g *Gui) drawSubtitle(v *View, fgColor, bgColor Attribute) error {
+	if v.y0 < 0 || v.y0 >= g.maxY {
+		return nil
+	}
+
+	start := v.x1 - 5 - len(v.Subtitle)
+	for i, ch := range v.Subtitle {
+		x := start + i
+		if x >= v.x1 {
+			break
+		}
+		if err := g.SetRune(x, v.y0, ch, fgColor, bgColor); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // draw manages the cursor and calls the draw function of a view.
 func (g *Gui) draw(v *View) error {
 	if g.Cursor {
diff --git a/vendor/github.com/jesseduffield/gocui/view.go b/vendor/github.com/jesseduffield/gocui/view.go
index 0dd897aa4..53ab06f8c 100644
--- a/vendor/github.com/jesseduffield/gocui/view.go
+++ b/vendor/github.com/jesseduffield/gocui/view.go
@@ -77,6 +77,9 @@ type View struct {
 	// If Frame is true, Title allows to configure a title for the view.
 	Title string
 
+	// If Frame is true, Subtitle allows to configure a subtitle for the view.
+	Subtitle string
+
 	// If Mask is true, the View will display the mask instead of the real
 	// content
 	Mask rune