nextcloud/core/command/app/getpath.php

<?php
/**
 * @author Victor Dubiniuk <dubiniuk@owncloud.com>
 *
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Core\Command\App;

use OC\Core\Command\Base;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class GetPath extends Base {
	protected function configure() {
		parent::configure();

		$this
			->setName('app:getpath')
			->setDescription('Get an absolute path to the app directory')
			->addArgument(
				'app',
				InputArgument::REQUIRED,
				'Name of the app'
			)
		;
	}

	/**
	 * Executes the current command.
	 *
	 * @param InputInterface  $input  An InputInterface instance
	 * @param OutputInterface $output An OutputInterface instance
	 * @return null|int null or 0 if everything went fine, or an error code
	 */
	protected function execute(InputInterface $input, OutputInterface $output) {
		$appName = $input->getArgument('app');
		$path = \OC_App::getAppPath($appName);
		if ($path !== false) {
			$output->writeln($path);
			return 0;
		}

		// App not found, exit with non-zero
		return 1;
	}
}