增加注释

cmd/cmd.go

@@ -35,25 +35,35 @@ type cmd struct {
 	version string
 }
 
+/*
+*
+args:参数列表
+*/
 func (c *cmd) Execute(args []string) {
+	//app.run:启动实例
 	if err := c.app.Run(args); err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
 }
 
 func newCmd() *cmd {
+	//vfox的运行版本
 	version := internal.RuntimeVersion
 	cli.VersionFlag = &cli.BoolFlag{
-		Name:    "version",
+		//当前cli程序的“名字”
+		Name: "version",
+		//别名，可以接受多个对象
 		Aliases: []string{"v", "V"},
-		Usage:   "print version",
+		//此程序的简介
+		Usage: "print version",
+		//当未使用子命令时，此程序要进行的动作。其值应当为一个 cli.ActionFunc 函数
 		Action: func(ctx *cli.Context, b bool) error {
 			println(version)
 			return nil
 		},
 	}
-
+	//声明app的各种参数及行为
 	app := &cli.App{}
 	app.EnableBashCompletion = true
 	app.Name = "vfox"
@@ -62,7 +72,9 @@ func newCmd() *cmd {
 	app.Copyright = "Copyright 2024 Han Li. All rights reserved."
 	app.Version = version
 	app.Description = "vfox is a cross-platform version manager, extendable via plugins. It allows you to quickly install and switch between different environment you need via the command line."
+	//启用命令和标志的建议
 	app.Suggest = true
+	//设置 shell 完成标志时要执行的操作
 	app.BashComplete = func(ctx *cli.Context) {
 		for _, command := range ctx.App.Commands {
 			_, _ = fmt.Fprintln(ctx.App.Writer, command.Name)
@@ -77,10 +89,11 @@ func newCmd() *cmd {
 			return nil
 		},
 	}
-
+	//标志列表
 	app.Flags = []cli.Flag{
 		debugFlags,
 	}
+	//可执行的命令/动作/行为列表
 	app.Commands = []*cli.Command{
 		commands.Info,
 		commands.Install,

godemo_test.go

@@ -9,7 +9,7 @@ func TestOsArgs(t *testing.T) {
 	args := os.Args
 	for i := 0; i < len(args); i++ {
 		arg := args[i]
-		println("the args on the No." + string(i))
+		println("//")
 		println(arg)
 	}
 }