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package app
import (
"bufio"
"fmt"
"io"
"log"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"github.com/go-errors/errors"
"github.com/jesseduffield/generics/slices"
"github.com/jesseduffield/lazygit/pkg/commands"
"github.com/jesseduffield/lazygit/pkg/commands/git_config"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/common"
"github.com/jesseduffield/lazygit/pkg/config"
"github.com/jesseduffield/lazygit/pkg/constants"
"github.com/jesseduffield/lazygit/pkg/env"
"github.com/jesseduffield/lazygit/pkg/gui"
"github.com/jesseduffield/lazygit/pkg/i18n"
"github.com/jesseduffield/lazygit/pkg/updates"
)
// App is the struct that's instantiated from within main.go and it manages
// bootstrapping and running the application.
type App struct {
*common.Common
closers []io.Closer
Config config.AppConfigurer
OSCommand *oscommands.OSCommand
Gui *gui.Gui
Updater *updates.Updater // may only need this on the Gui
}
func Run(config config.AppConfigurer, common *common.Common, filterPath string) {
app, err := NewApp(config, common)
if err == nil {
err = app.Run(filterPath)
}
if err != nil {
if errorMessage, known := knownError(common.Tr, err); known {
log.Fatal(errorMessage)
}
newErr := errors.Wrap(err, 0)
stackTrace := newErr.ErrorStack()
app.Log.Error(stackTrace)
log.Fatalf("%s: %s\n\n%s", common.Tr.ErrorOccurred, constants.Links.Issues, stackTrace)
}
}
func NewCommon(config config.AppConfigurer) (*common.Common, error) {
userConfig := config.GetUserConfig()
var err error
log := newLogger(config)
tr, err := i18n.NewTranslationSetFromConfig(log, userConfig.Gui.Language)
if err != nil {
return nil, err
}
return &common.Common{
Log: log,
Tr: tr,
UserConfig: userConfig,
Debug: config.GetDebug(),
}, nil
}
// NewApp bootstrap a new application
func NewApp(config config.AppConfigurer, common *common.Common) (*App, error) {
app := &App{
closers: []io.Closer{},
Config: config,
Common: common,
}
app.OSCommand = oscommands.NewOSCommand(common, config, oscommands.GetPlatform(), oscommands.NewNullGuiIO(app.Log))
var err error
app.Updater, err = updates.NewUpdater(common, config, app.OSCommand)
if err != nil {
return app, err
}
dirName, err := os.Getwd()
if err != nil {
return app, err
}
showRecentRepos, err := app.setupRepo()
if err != nil {
return app, err
}
gitConfig := git_config.NewStdCachedGitConfig(app.Log)
app.Gui, err = gui.NewGui(common, config, gitConfig, app.Updater, showRecentRepos, dirName)
if err != nil {
return app, err
}
return app, nil
}
func (app *App) validateGitVersion() error {
output, err := app.OSCommand.Cmd.New("git --version").RunWithOutput()
// if we get an error anywhere here we'll show the same status
minVersionError := errors.New(app.Tr.MinGitVersionError)
if err != nil {
return minVersionError
}
if isGitVersionValid(output) {
return nil
}
return minVersionError
}
func isGitVersionValid(versionStr string) bool {
// output should be something like: 'git version 2.23.0 (blah)'
re := regexp.MustCompile(`[^\d]+([\d\.]+)`)
matches := re.FindStringSubmatch(versionStr)
if len(matches) == 0 {
return false
}
gitVersion := matches[1]
majorVersion, err := strconv.Atoi(gitVersion[0:1])
if err != nil {
return false
}
if majorVersion < 2 {
return false
}
return true
}
func (app *App) setupRepo() (bool, error) {
if err := app.validateGitVersion(); err != nil {
return false, err
}
if env.GetGitDirEnv() != "" {
// we've been given the git dir directly. We'll verify this dir when initializing our Git object
return false, nil
}
// if we are not in a git repo, we ask if we want to `git init`
if err := commands.VerifyInGitRepo(app.OSCommand); err != nil {
cwd, err := os.Getwd()
if err != nil {
return false, err
}
info, _ := os.Stat(filepath.Join(cwd, ".git"))
if info != nil && info.IsDir() {
return false, err // Current directory appears to be a git repository.
}
shouldInitRepo := true
notARepository := app.UserConfig.NotARepository
if notARepository == "prompt" {
// Offer to initialize a new repository in current directory.
fmt.Print(app.Tr.CreateRepo)
response, _ := bufio.NewReader(os.Stdin).ReadString('\n')
if strings.Trim(response, " \n") != "y" {
shouldInitRepo = false
}
} else if notARepository == "skip" {
shouldInitRepo = false
}
if !shouldInitRepo {
// check if we have a recent repo we can open
recentRepos := app.Config.GetAppState().RecentRepos
if len(recentRepos) > 0 {
var err error
// try opening each repo in turn, in case any have been deleted
for _, repoDir := range recentRepos {
if err = os.Chdir(repoDir); err == nil {
return true, nil
}
}
return false, err
}
os.Exit(1)
}
if err := app.OSCommand.Cmd.New("git init").Run(); err != nil {
return false, err
}
}
return false, nil
}
func (app *App) Run(filterPath string) error {
err := app.Gui.RunAndHandleError(filterPath)
return err
}
// Close closes any resources
func (app *App) Close() error {
return slices.TryForEach(app.closers, func(closer io.Closer) error {
return closer.Close()
})
}
|
