feat: support to print plugin info

README.md

@@ -315,7 +315,7 @@ function PLUGIN:PreInstall(ctx)
     return {
         --- Version number
         version = "xxx",
-        --- Download URL
+        --- Download URL, support tar.gz tar.xz zip three formats
         url = "xxx",
         --- You just choose one of the checksum algorithms.
         --- SHA256 checksum, first choice!

cmd/main.go

@@ -66,12 +66,11 @@ func main() {
 			Name:  "info",
 			Usage: "show info of plugin",
 			Action: func(ctx *cli.Context) error {
-				args := ctx.Args()
-				l := args.Len()
-				if l < 2 {
+				args := ctx.Args().First()
+				if args == "" {
 					return cli.Exit("invalid arguments", 1)
 				}
-				return manager.Add(args.Get(0), args.Get(1))
+				return manager.Info(args)
 			},
 		},
 		{

sdk/manager.go

@@ -310,6 +310,23 @@ func (m *Manager) Update(pluginName string) error {
 	return nil
 }
 
+func (m *Manager) Info(pluginName string) error {
+	sdk := m.sdkMap[pluginName]
+	if sdk == nil {
+		pterm.Println("This plugin has not been added.")
+		return fmt.Errorf("%s not installed", pluginName)
+	}
+	source := sdk.Plugin
+
+	pterm.Println("Plugin info:")
+	pterm.Println("Name     ", "->", pterm.LightBlue(source.Name))
+	pterm.Println("Author   ", "->", pterm.LightBlue(source.Author))
+	pterm.Println("Version  ", "->", pterm.LightBlue(source.Version))
+	pterm.Println("Desc     ", "->", pterm.LightBlue(source.Description))
+	pterm.Println("UpdateUrl", "->", pterm.LightBlue(source.UpdateUrl))
+	return nil
+}
+
 func (m *Manager) Add(pluginName, url string) error {
 	pterm.Printf("Adding plugin from %s...\n", url)
 	content, err := m.loadLuaFromFileOrUrl(url)