Add generated help and version commands

parser.go

@@ -10,10 +10,17 @@ func (a *App) parse(args []string, options internalcobra.ParseOptions) internalc
 	if a == nil {
 		return internalcobra.Result{Failure: &internalcobra.Failure{Message: "cannot parse commands on a nil app"}}
 	}
+	return internalcobra.Parse(a.bridgeTree(), args, options)
+}
+
+func (a *App) bridgeTree() *internalcobra.Command {
+	if a == nil {
+		return nil
+	}
 	root := &internalcobra.Command{Name: a.identity.Name}
 	names := make([]string, 0, len(a.commands))
 	for name, node := range a.commands {
-		if !node.reserved {
+		if !node.reserved || node.command.payload != nil {
 			names = append(names, name)
 		}
 	}
@@ -21,7 +28,7 @@ func (a *App) parse(args []string, options internalcobra.ParseOptions) internalc
 	for _, name := range names {
 		root.Children = append(root.Children, bridgeCommand(a.commands[name].command))
 	}
-	return internalcobra.Parse(root, args, options)
+	return root
 }
 
 func bridgeCommand(command Command) *internalcobra.Command {
@@ -33,8 +40,11 @@ func bridgeCommand(command Command) *internalcobra.Command {
 	if command.payload != nil {
 		declaration.Runnable = command.payload.hasRun()
 		declaration.Flags = command.payload.bridgeFlags()
+		declaration.Arguments = command.payload.bridgeArguments()
 	}
-	for _, child := range command.children {
+	children := append([]Command(nil), command.children...)
+	sort.Slice(children, func(i, j int) bool { return children[i].name < children[j].name })
+	for _, child := range children {
 		declaration.Children = append(declaration.Children, bridgeCommand(child))
 	}
 	return declaration