mirror of
https://github.com/jesseduffield/lazygit.git
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9fb9962ce7
Display a friendly message and exit with an error if not in a Git repository. Using the same approach used in this PR: https://github.com/jesseduffield/lazydocker/pull/14/files
220 lines
5.7 KiB
Go
220 lines
5.7 KiB
Go
package app
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import (
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"bufio"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"github.com/jesseduffield/lazygit/pkg/commands"
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"github.com/jesseduffield/lazygit/pkg/config"
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"github.com/jesseduffield/lazygit/pkg/gui"
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"github.com/jesseduffield/lazygit/pkg/i18n"
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"github.com/jesseduffield/lazygit/pkg/updates"
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"github.com/jesseduffield/rollrus"
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"github.com/shibukawa/configdir"
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"github.com/sirupsen/logrus"
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)
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// App struct
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type App struct {
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closers []io.Closer
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Config config.AppConfigurer
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Log *logrus.Entry
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OSCommand *commands.OSCommand
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GitCommand *commands.GitCommand
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Gui *gui.Gui
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Tr *i18n.Localizer
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Updater *updates.Updater // may only need this on the Gui
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ClientContext string
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}
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type errorMapping struct {
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originalError string
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newError string
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}
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func newProductionLogger(config config.AppConfigurer) *logrus.Logger {
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log := logrus.New()
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log.Out = ioutil.Discard
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log.SetLevel(logrus.ErrorLevel)
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return log
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}
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func globalConfigDir() string {
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configDirs := configdir.New("jesseduffield", "lazygit")
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configDir := configDirs.QueryFolders(configdir.Global)[0]
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return configDir.Path
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}
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func getLogLevel() logrus.Level {
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strLevel := os.Getenv("LOG_LEVEL")
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level, err := logrus.ParseLevel(strLevel)
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if err != nil {
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return logrus.DebugLevel
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}
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return level
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}
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func newDevelopmentLogger(config config.AppConfigurer) *logrus.Logger {
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log := logrus.New()
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log.SetLevel(getLogLevel())
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file, err := os.OpenFile(filepath.Join(globalConfigDir(), "development.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
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if err != nil {
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panic("unable to log to file") // TODO: don't panic (also, remove this call to the `panic` function)
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}
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log.SetOutput(file)
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return log
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}
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func newLogger(config config.AppConfigurer) *logrus.Entry {
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var log *logrus.Logger
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environment := "production"
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if config.GetDebug() || os.Getenv("DEBUG") == "TRUE" {
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environment = "development"
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log = newDevelopmentLogger(config)
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} else {
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log = newProductionLogger(config)
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}
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// highly recommended: tail -f development.log | humanlog
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// https://github.com/aybabtme/humanlog
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log.Formatter = &logrus.JSONFormatter{}
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if config.GetUserConfig().GetString("reporting") == "on" {
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// this isn't really a secret token: it only has permission to push new rollbar items
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hook := rollrus.NewHook("23432119147a4367abf7c0de2aa99a2d", environment)
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log.Hooks.Add(hook)
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}
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return log.WithFields(logrus.Fields{
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"debug": config.GetDebug(),
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"version": config.GetVersion(),
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"commit": config.GetCommit(),
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"buildDate": config.GetBuildDate(),
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})
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}
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// NewApp bootstrap a new application
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func NewApp(config config.AppConfigurer) (*App, error) {
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app := &App{
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closers: []io.Closer{},
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Config: config,
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}
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var err error
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app.Log = newLogger(config)
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app.Tr = i18n.NewLocalizer(app.Log)
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// if we are being called in 'demon' mode, we can just return here
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app.ClientContext = os.Getenv("LAZYGIT_CLIENT_COMMAND")
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if app.ClientContext != "" {
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return app, nil
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}
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app.OSCommand = commands.NewOSCommand(app.Log, config)
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app.Updater, err = updates.NewUpdater(app.Log, config, app.OSCommand, app.Tr)
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if err != nil {
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return app, err
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}
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if err := app.setupRepo(); err != nil {
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return app, err
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}
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app.GitCommand, err = commands.NewGitCommand(app.Log, app.OSCommand, app.Tr, app.Config)
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if err != nil {
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return app, err
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}
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app.Gui, err = gui.NewGui(app.Log, app.GitCommand, app.OSCommand, app.Tr, config, app.Updater)
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if err != nil {
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return app, err
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}
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return app, nil
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}
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func (app *App) setupRepo() error {
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// if we are not in a git repo, we ask if we want to `git init`
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if err := app.OSCommand.RunCommand("git status"); err != nil {
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if !strings.Contains(err.Error(), "Not a git repository") {
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return err
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}
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fmt.Print(app.Tr.SLocalize("CreateRepo"))
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response, _ := bufio.NewReader(os.Stdin).ReadString('\n')
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if strings.Trim(response, " \n") != "y" {
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os.Exit(1)
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}
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if err := app.OSCommand.RunCommand("git init"); err != nil {
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return err
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}
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}
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return nil
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}
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func (app *App) Run() error {
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if app.ClientContext == "INTERACTIVE_REBASE" {
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return app.Rebase()
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}
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if app.ClientContext == "EXIT_IMMEDIATELY" {
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os.Exit(0)
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}
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err := app.Gui.RunWithSubprocesses()
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return err
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}
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// Rebase contains logic for when we've been run in demon mode, meaning we've
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// given lazygit as a command for git to call e.g. to edit a file
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func (app *App) Rebase() error {
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app.Log.Info("Lazygit invoked as interactive rebase demon")
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app.Log.Info("args: ", os.Args)
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if strings.HasSuffix(os.Args[1], "git-rebase-todo") {
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if err := ioutil.WriteFile(os.Args[1], []byte(os.Getenv("LAZYGIT_REBASE_TODO")), 0644); err != nil {
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return err
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}
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} else if strings.HasSuffix(os.Args[1], ".git/COMMIT_EDITMSG") {
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// if we are rebasing and squashing, we'll see a COMMIT_EDITMSG
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// but in this case we don't need to edit it, so we'll just return
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} else {
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app.Log.Info("Lazygit demon did not match on any use cases")
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}
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return nil
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}
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// Close closes any resources
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func (app *App) Close() error {
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for _, closer := range app.closers {
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err := closer.Close()
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if err != nil {
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return err
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}
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}
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return nil
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}
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// KnownError takes an error and tells us whether it's an error that we know about where we can print a nicely formatted version of it rather than panicking with a stack trace
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func (app *App) KnownError(err error) (string, bool) {
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errorMessage := err.Error()
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mappings := []errorMapping{
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{
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originalError: "fatal: not a git repository (or any of the parent directories): .git",
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newError: app.Tr.SLocalize("notARepository"),
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},
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}
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for _, mapping := range mappings {
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if strings.Contains(errorMessage, mapping.originalError) {
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return mapping.newError, true
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}
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}
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return "", false
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}
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