update version cmd

README.md

@@ -30,6 +30,7 @@ Available Commands:
   version     Prints the kubecm version
 
 Flags:
+      --config string   path of kubeconfig (default "$HOME/.kube/config")
   -h, --help   help for kubecm
 
 Use "kubecm [command] --help" for more information about a command.

cmd/root.go

@@ -65,7 +65,7 @@ Find more information at: https://github.com/sunny0826/kubecm
 func (cli *Cli) setFlags() {
 	kubeconfig := flag.String("kubeconfig", filepath.Join(homeDir(), ".kube", "config"), "(optional) absolute path to the kubeconfig file")
 	flags := cli.rootCmd.PersistentFlags()
-	flags.StringVar(&cfgFile, "config", *kubeconfig, "config.yaml file (default is $HOME/.kubecm.yaml)")
+	flags.StringVar(&cfgFile, "config", *kubeconfig, "path of kubeconfig")
 }
 
 //Run command

cmd/version.go

@@ -49,9 +49,10 @@ type version struct {
 
 func (vc *VersionCommand) Init() {
 	vc.command = &cobra.Command{
-		Use:     "version",
-		Short:   "Prints the kubecm version",
-		Example: "kubecm version",
+		Use:   "version",
+		Short: "Print version info",
+		Long:  "Print version info",
+		Aliases: []string{"v"},
 		Run: func(cmd *cobra.Command, args []string) {
 			cmd.Printf("Version: %s\n", getVersion().kubecmVersion)
 			cmd.Printf("GitCommit: %s\n", getVersion().GitCommit)