vendor/symfony/symfony/src/Symfony/Component/Intl/Util/SvnRepository.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 Symfony\Component\Intl\Util;

use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Intl\Exception\RuntimeException;

/**
 * A SVN repository containing ICU data.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class SvnRepository
{
    /**
     * @var string The path to the repository
     */
    private $path;

    /**
     * @var \SimpleXMLElement
     */
    private $svnInfo;

    /**
     * @var SvnCommit
     */
    private $lastCommit;

    /**
     * Downloads the ICU data for the given version.
     *
     * @param string $url       The URL to download from
     * @param string $targetDir The directory in which to store the repository
     *
     * @return static
     *
     * @throws RuntimeException If an error occurs during the download.
     */
    public static function download($url, $targetDir)
    {
        exec('which svn', $output, $result);

        if ($result !== 0) {
            throw new RuntimeException('The command "svn" is not installed.');
        }

        $filesystem = new Filesystem();

        if (!$filesystem->exists($targetDir.'/.svn')) {
            $filesystem->remove($targetDir);