ScriptHandler to dump assetic assets

ScriptHandler.php

<?php

namespace Symfony\Bundle\AsseticBundle\Composer;

use Symfony\Component\Process\PhpExecutableFinder;
use Symfony\Component\Process\Process;

class ScriptHandler
{
    public static function dumpAssets($event)
    {
        $options = self::getOptions($event);
        $appDir = $options['symfony-app-dir'];

        $arguments = array();

        if ($options['assetic-dump-force'])
            $arguments[] = '--force';

        if ($options['assetic-dump-asset-root'] !== null)
            $arguments = escapeshellarg($options['assetic-dump-asset-root']);

        static::executeCommand($event, $appDir, 'assetic:dump' . implode(' ', $arguments));
    }

    protected static function executeCommand($event, $appDir, $cmd)
    {
        $phpFinder = new PhpExecutableFinder;
        $php = escapeshellarg($phpFinder->find());
        $console = escapeshellarg($appDir.'/console');
        if ($event->getIO()->isDecorated()) {
            $console.= ' --ansi';
        }

        $process = new Process($php.' '.$console.' '.$cmd);
        $process->run(function ($type, $buffer) use($event) { $event->getIO()->write($buffer, false); });
    }

    protected static function getOptions($event)
    {
        $options = array_merge(array(
            'assetic-dump-asset-root' => null,
            'assetic-dump-force' => false,
        ), $event->getComposer()->getPackage()->getExtra());

        return $options;
    }
}