XzDownloader.php

<?php

declare (strict_types=1);

/*
 * 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\Downloader;

use React\Promise\PromiseInterface;
use Composer\Package\PackageInterface;
use Composer\Util\ProcessExecutor;

/**
 * Xz archive downloader.
 *
 * @author Pavel Puchkin <i@neoascetic.me>
 * @author Pierre Rudloff <contact@rudloff.pro>
 */
class XzDownloader extends ArchiveDownloader {
    protected function extract(PackageInterface $package, string $file, string $path) : PromiseInterface {
        $command = [
            'tar',
            '-xJf',
            $file,
            '-C',
            $path,
        ];
        if (0 === $this->process
            ->execute($command, $ignoredOutput)) {
            return \React\Promise\resolve(null);
        }
        $processError = 'Failed to execute ' . implode(' ', $command) . "\n\n" . $this->process
            ->getErrorOutput();
        throw new \RuntimeException($processError);
    }

}