feat: nfctl(add version)

nft/nfctl/internal/cmd/cmd.root.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	"os"
+
 	"github.com/loveuer/nf/nft/log"
 	"github.com/loveuer/nf/nft/nfctl/internal/opt"
 	"github.com/spf13/cobra"
@@ -14,6 +16,11 @@ var rootCmd = &cobra.Command{
 			log.SetLogLevel(log.LogLevelDebug)
 		}
 
+		if opt.Cfg.Version {
+			doVersion(cmd, args)
+			os.Exit(0)
+		}
+
 		if !opt.Cfg.DisableUpdate {
 			doUpdate(cmd.Context())
 		}
@@ -29,5 +36,6 @@ var rootCmd = &cobra.Command{
 func initRoot(cmds ...*cobra.Command) {
 	rootCmd.PersistentFlags().BoolVar(&opt.Cfg.Debug, "debug", false, "debug mode")
 	rootCmd.PersistentFlags().BoolVar(&opt.Cfg.DisableUpdate, "disable-update", false, "disable self update")
+	rootCmd.PersistentFlags().BoolVarP(&opt.Cfg.Version, "version", "v", false, "print nfctl version")
 	rootCmd.AddCommand(cmds...)
 }

nft/nfctl/internal/cmd/cmd.version.go

@@ -0,0 +1,19 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/loveuer/nf/nft/nfctl/internal/opt"
+	"github.com/spf13/cobra"
+)
+
+func initVersion() *cobra.Command {
+	return &cobra.Command{
+		Use: "version",
+		Run: doVersion,
+	}
+}
+
+func doVersion(cmd *cobra.Command, args []string) {
+	fmt.Printf("%s\nnfctl: %s\n\n", opt.Banner, opt.Version)
+}

nft/nfctl/internal/cmd/init.go

@@ -9,6 +9,7 @@ import (
 
 func Init() {
 	initRoot(
+		initVersion(),
 		initUpdate(),
 		initNew(),
 	)