<?php

/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Composer\Command;

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
* @author Niels Keurentjes <niels.keurentjes@omines.com>
*/
class DependsCommand extends BaseDependencyCommand
{
/**
* Configure command metadata.
*/
protected function configure()
{
parent::configure();

$this
->setName('depends')
->setAliases(array('why'))
->setDescription('Shows which packages cause the given package to be installed.')
->setHelp(
<<<EOT
Displays detailed information about where a package is referenced.

<info>php composer.phar depends composer/composer</info>

Read more at https://getcomposer.org/doc/03-cli.md#depends-why-
EOT
)
;
}

/**
* Execute the function.
*
* @param InputInterface $input
* @param OutputInterface $output
* @return int
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
return parent::doExecute($input, $output, false);
}
}