when panicking due to malformed gitconfig, show a more useful error

pkg/app/app.go

@@ -30,11 +30,6 @@ type App struct {
 func newProductionLogger(config config.AppConfigurer) *logrus.Logger {
 	log := logrus.New()
 	log.Out = ioutil.Discard
-	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", "production")
-		log.Hooks.Add(hook)
-	}
 	return log
 }
 
@@ -50,11 +45,18 @@ func newDevelopmentLogger() *logrus.Logger {
 
 func newLogger(config config.AppConfigurer) *logrus.Entry {
 	var log *logrus.Logger
+	environment := "production"
 	if config.GetDebug() {
+		environment = "development"
 		log = newDevelopmentLogger()
 	} else {
 		log = newProductionLogger(config)
 	}
+	if config.GetUserConfig().GetString("reporting") == "on" {
+		// this isn't really a secret token: it only has permission to push new rollbar items
+		hook := rollrus.NewHook("23432119147a4367abf7c0de2aa99a2d", environment)
+		log.Hooks.Add(hook)
+	}
 	return log.WithFields(logrus.Fields{
 		"debug":     config.GetDebug(),
 		"version":   config.GetVersion(),
@@ -75,7 +77,7 @@ func NewApp(config config.AppConfigurer) (*App, error) {
 
 	app.Tr = i18n.NewLocalizer(app.Log)
 
-	app.GitCommand, err = commands.NewGitCommand(app.Log, app.OSCommand)
+	app.GitCommand, err = commands.NewGitCommand(app.Log, app.OSCommand, app.Tr)
 	if err != nil {
 		return app, err
 	}

pkg/commands/git.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/i18n"
 	"github.com/jesseduffield/lazygit/pkg/utils"
 	"github.com/sirupsen/logrus"
 	gitconfig "github.com/tcnksm/go-gitconfig"
@@ -20,13 +21,15 @@ type GitCommand struct {
 	OSCommand *OSCommand
 	Worktree  *gogit.Worktree
 	Repo      *gogit.Repository
+	Tr        *i18n.Localizer
 }
 
 // NewGitCommand it runs git commands
-func NewGitCommand(log *logrus.Entry, osCommand *OSCommand) (*GitCommand, error) {
+func NewGitCommand(log *logrus.Entry, osCommand *OSCommand, tr *i18n.Localizer) (*GitCommand, error) {
 	gitCommand := &GitCommand{
 		Log:       log,
 		OSCommand: osCommand,
+		Tr:        tr,
 	}
 	return gitCommand, nil
 }
@@ -35,7 +38,10 @@ func NewGitCommand(log *logrus.Entry, osCommand *OSCommand) (*GitCommand, error)
 func (c *GitCommand) SetupGit() {
 	c.verifyInGitRepo()
 	c.navigateToRepoRootDirectory()
-	c.setupWorktree()
+	if err := c.setupWorktree(); err != nil {
+		c.Log.Error(err)
+		panic(err)
+	}
 }
 
 // GetStashEntries stash entryies
@@ -159,18 +165,23 @@ func (c *GitCommand) navigateToRepoRootDirectory() {
 	}
 }
 
-func (c *GitCommand) setupWorktree() {
+func (c *GitCommand) setupWorktree() error {
 	r, err := gogit.PlainOpen(".")
 	if err != nil {
-		panic(err)
+		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 {
-		panic(err)
+		return err
 	}
 	c.Worktree = w
+	return nil
 }
 
 // ResetHard does the equivalent of `git reset --hard HEAD`

pkg/i18n/english.go

@@ -336,6 +336,9 @@ func addEnglish(i18nObject *i18n.Bundle) error {
 		}, &i18n.Message{
 			ID:    "AnonymousReportingPrompt",
 			Other: "Would you like to enable anonymous reporting data to help improve lazygit? (enter/esc)",
+		}, &i18n.Message{
+			ID:    "GitconfigParseErr",
+			Other: `Gogit failed to parse your gitconfig file due to the presence of unquoted '\' characters. Removing these should fix the issue.`,
 		},
 	)
 }