root cmd shows help and version

commands/command_version.go

@@ -16,7 +16,14 @@ var (
 )
 
 func versionCommand(cmd *cobra.Command, args []string) {
-	Print("%s v%s", cmd.Parent().Name(), gitmedia.Version)
+	var parent *cobra.Command
+	if p := cmd.Parent(); p != nil {
+		parent = p
+	} else {
+		parent = cmd
+	}
+
+	Print("%s v%s", parent.Name(), gitmedia.Version)
 
 	if lovesComics {
 		Print("Nothing may see Gah Lak Tus and survive!")

commands/commands.go

@@ -24,7 +24,8 @@ var (
 		Use:   "git-media",
 		Short: "Git Media provides large file support to Git.",
 		Run: func(cmd *cobra.Command, args []string) {
-			fmt.Println("Git Media, yo")
+			versionCommand(cmd, args)
+			cmd.Help()
 		},
 	}
 )