etcdctl/ctlv2/command/rmdir_command.go
func rmdirCommandFunc(c *cli.Context, ki client.KeysAPI) {
	if len(c.Args()) == 0 {
		handleError(c, ExitBadArgs, errors.New("key required"))
	}
	key := c.Args()[0]

	ctx, cancel := contextWithTotalTimeout(c)
	resp, err := ki.Delete(ctx, key, &client.DeleteOptions{Dir: true})
	cancel()
	if err != nil {
		handleError(c, ExitServerError, err)
	}

	if !resp.Node.Dir || c.GlobalString("output") != "simple" {
		printResponseKey(resp, c.GlobalString("output"))
	}
}
func rmdirCommandFunc(c *cli.Context, ki client.KeysAPI) {
	if len(c.Args()) == 0 {
		handleError(c, ExitBadArgs, errors.New("key required"))
	}
	key := c.Args()[0]

	ctx, cancel := contextWithTotalTimeout(c)
	resp, err := ki.Delete(ctx, key, &client.DeleteOptions{Dir: true})
	cancel()
	if err != nil {
		handleError(c, ExitServerError, err)
	}

	if !resp.Node.Dir || c.GlobalString("output") != "simple" {
		printResponseKey(resp, c.GlobalString("output"))
	}
}
// rmdirCommandFunc executes the "rmdir" command.