package cli import ( "fmt" "github.com/spf13/cobra" "strings" ) var version = "dev" func init() { rootCmd.AddCommand(versionCmd) } var versionCmd = &cobra.Command{ Use: "version", Short: "Print the version.", Long: "The version of headscale.", Run: func(cmd *cobra.Command, args []string) { o, _ := cmd.Flags().GetString("output") if strings.HasPrefix(o, "json") { JsonOutput(map[string]string{"version": version}, nil, o) return } fmt.Println(version) }, }