vendor/sensio/distribution-bundle/Composer/ScriptHandler.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Sensio\Bundle\DistributionBundle\Composer;

use Symfony\Component\ClassLoader\ClassCollectionLoader;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Process\Process;
use Symfony\Component\Process\PhpExecutableFinder;
use Composer\Script\Event;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ScriptHandler
{
    /**
     * Composer variables are declared static so that an event could update
     * a composer.json and set new options, making them immediately available
     * to forthcoming listeners.
     */
    protected static $options = array(
        'symfony-app-dir' => 'app',
        'symfony-web-dir' => 'web',
        'symfony-assets-install' => 'hard',
        'symfony-cache-warmup' => false,
    );

    /**
     * Asks if the new directory structure should be used, installs the structure if needed.
     *
     * @param Event $event
     */
    public static function defineDirectoryStructure(Event $event)
    {
        $options = static::getOptions($event);

        if (!getenv('SENSIOLABS_ENABLE_NEW_DIRECTORY_STRUCTURE') || !$event->getIO()->askConfirmation('Would you like to use Symfony 3 directory structure? [y/N] ', false)) {
            return;
        }

        $rootDir = getcwd();
        $appDir = $options['symfony-app-dir'];
        $webDir = $options['symfony-web-dir'];
        $binDir = static::$options['symfony-bin-dir'] = 'bin';
        $varDir = static::$options['symfony-var-dir'] = 'var';

        static::updateDirectoryStructure($event, $rootDir, $appDir, $binDir, $varDir, $webDir);
    }

    /**
     * Builds the bootstrap file.