Version command

cmd/root.go

@@ -17,6 +17,8 @@ import (
 	"github.com/spf13/viper"
 )
 
+const VERSION = "0.4.0"
+
 var (
 	cfgFile    string
 	verbose    bool

cmd/version.go

@@ -0,0 +1,33 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// versionCmd represents the version command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "prints command version",
+	Long:  `the version of the ctl command.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		versionCobra(cmd, args)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+func versionCobra(cmd *cobra.Command, args []string) {
+	version()
+}
+
+func version() {
+	fmt.Printf("v%s \n", VERSION)
+}