👔 up(app): update the command register logic, set IndentLongOpt=true

app.go

@@ -100,6 +100,7 @@ func NewApp(fns ...func(app *App)) *App {
 
 	app.fs = gflag.New(app.Name).WithConfigFn(func(opt *gflag.Config) {
 		opt.WithoutType = true
+		opt.IndentLongOpt = true
 		opt.Alignment = gflag.AlignLeft
 	})
 
@@ -211,9 +212,16 @@ func (app *App) AddCommand(c *Command) {
 	c.app = app
 	// inherit some from application
 	c.Ctx = app.Ctx
+	// init for cmd flags parser
+	c.Flags.Init(c.Name)
+
+	// inherit flag parser config
+	fsCfg := app.fs.ParserCfg()
+	c.Flags.WithConfigFn(gflag.WithIndentLongOpt(fsCfg.IndentLongOpt))
 
 	// do add command
 	app.addCommand(app.Name, c)
+
 	app.fireWithCmd(events.OnAppCmdAdded, c, nil)
 }
 

base.go

@@ -120,6 +120,13 @@ func (ctx *Context) WorkDir() string {
 	return ctx.workDir
 }
 
+// ChWorkDir work dir path
+func (ctx *Context) ChWorkDir(dir string) {
+	if len(dir) > 0 {
+		ctx.workDir = dir
+	}
+}
+
 // ArgLine os.Args to string, but no binName.
 func (ctx *Context) ArgLine() string {
 	return ctx.argLine
@@ -222,6 +229,11 @@ func (b *base) BinDir() string { return b.Ctx.BinDir() }
 // WorkDir get work dirname
 func (b *base) WorkDir() string { return b.Ctx.workDir }
 
+// ChWorkDir work dir path
+func (b *base) ChWorkDir(dir string) {
+	b.Ctx.ChWorkDir(dir)
+}
+
 // ResetData from ctx
 func (b *base) ResetData() {
 	if b.Ctx != nil {
@@ -274,7 +286,7 @@ func (b *base) IsCommand(name string) bool {
 
 // add Command to the group
 func (b *base) addCommand(pName string, c *Command) {
-	// init command
+	// ensure init command
 	c.initialize()
 
 	cName := c.Name
@@ -307,9 +319,6 @@ func (b *base) addCommand(pName string, c *Command) {
 	// add aliases for the command
 	Logf(VerbCrazy, "register command '%s'(parent: %s), aliases: %v", cName, pName, c.Aliases)
 	b.cmdAliases.AddAliases(c.Name, c.Aliases)
-
-	// inherit global flags from application
-	// append
 	b.commands[cName] = c
 }
 

cmd.go

@@ -207,19 +207,20 @@ func (c *Command) AddCommand(sub *Command) {
 	// init command
 	sub.app = c.app
 	sub.parent = c
-	// inherit standalone value
-	sub.standalone = c.standalone
-	// inherit something from parent
+	// inherit something from parent command
 	sub.Ctx = c.Ctx
+	sub.standalone = c.standalone
 
 	// initialize command
 	c.initialize()
 
 	// extend path names from parent
 	sub.pathNames = c.pathNames[0:]
 
-	// do add
+	// do add and init sub command
 	c.base.addCommand(c.Name, sub)
+	// update some parser config
+	sub.WithConfigFn(gflag.WithIndentLongOpt(c.ParserCfg().IndentLongOpt))
 }
 
 // Match sub command by input names
@@ -258,20 +259,19 @@ func (c *Command) initialize() {
 	c.initCommandBase(cName)
 	c.Fire(events.OnCmdInitBefore, nil)
 
-	// load common subs
+	// init for cmd flags parser
+	c.Flags.Init(cName)
+
+	// load common sub commands
 	if len(c.Subs) > 0 {
 		for _, sub := range c.Subs {
 			c.AddCommand(sub)
 		}
 	}
 
-	// init for cmd flags parser
-	c.Flags.Init(cName)
-
 	// format description
 	if len(c.Desc) > 0 {
 		c.Desc = strutil.UpperFirst(c.Desc)
-		// contains help var "{$cmd}". replace on here is for 'app help'
 		if strings.Contains(c.Desc, "{$cmd}") {
 			c.Desc = strings.Replace(c.Desc, "{$cmd}", c.Name, -1)
 		}
@@ -703,7 +703,7 @@ func (c *Command) App() *App {
 	return c.app
 }
 
-// ID get command ID string. return like: git:branch:create
+// ID get command ID string. return like "git:branch:create"
 func (c *Command) ID() string {
 	return strings.Join(c.pathNames, CommandSep)
 }

help.go

@@ -199,7 +199,7 @@ var CmdHelpTemplate = `{{.Desc}}
 <comment>Help:</>
 {{.Cmd.Help}}{{end}}`
 
-// ShowHelp show command help info
+// ShowHelp show command help information
 func (c *Command) ShowHelp() (err error) {
 	Debugf("render the command '%s' help information", c.Name)