Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of Psy Shell.

 *

 * (c) 2012-2022 Justin Hileman

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Psy\VersionUpdater;

use Psy\Exception\ErrorException;

use Psy\Shell;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Output\OutputInterface;

/**

 * Self update command.

 *

 * If a new version is available, this command will download it and replace the currently installed version

 */

class SelfUpdate

{

    const URL_PREFIX = 'https://github.com/bobthecow/psysh/releases/download';

    const SUCCESS = 0;

    const FAILURE = 1;

    /** @var Checker */

    private $checker;

    /** @var Installer */

    private $installer;

    /** @var Downloader */

    private $downloader;

    public function __construct(Checker $checker, Installer $installer)

    {

        $this->checker = $checker;

        $this->installer = $installer;

    }

    /**

     * Allow the downloader to be injected for testing.

     *

     * @param Downloader $downloader

     *

     * @return void

     */

    public function setDownloader(Downloader $downloader)

    {

        $this->downloader = $downloader;

    }

    /**

     * Get the currently set Downloader or create one based on the capabilities of the php environment.

     *

     * @return Downloader

     *

     * @throws ErrorException if a downloader cannot be created for the php environment

     */

    private function getDownloader(): Downloader

    {

        if (!isset($this->downloader)) {

            return Downloader\Factory::getDownloader();

        }

        return $this->downloader;

    }

    /**

     * Build the download URL for the latest release.

     *

     * The file name used in the URL will include the flavour postfix extracted from the current version

     * if it's present

     *

     * @param string $latestVersion

     *

     * @return string

     */

    private function getAssetUrl(string $latestVersion): string

    {

        $versionPostfix = '';

        if (\strpos(Shell::VERSION, '+')) {

            $versionPostfix = '-'.\substr(Shell::VERSION, \strpos(Shell::VERSION, '+') + 1);

        }

        $downloadFilename = \sprintf('psysh-%s%s.tar.gz', $latestVersion, $versionPostfix);

        // check if latest release data contains an asset matching the filename?

        return \sprintf('%s/%s/%s', self::URL_PREFIX, $latestVersion, $downloadFilename);

    }

    /**

     * Execute the self-update process.

     *

     * @param InputInterface  $input

     * @param OutputInterface $output

     *

     * @throws ErrorException if the current version is not restored when installation fails

     *

     * @return int

     */

    public function run(InputInterface $input, OutputInterface $output): int

    {

        $currentVersion = Shell::VERSION;

        // already have the latest version?

        if ($this->checker->isLatest()) {

            // current version is latest version...

            $output->writeln('<info>Current version is up-to-date.</info>');

            return self::SUCCESS;

        }

        // can overwrite current version?

        if (!$this->installer->isInstallLocationWritable()) {

            $output->writeln('<error>Installed version is not writable.</error>');

            return self::FAILURE;

        }

        // can download to, and create a backup in the temp directory?

        if (!$this->installer->isTempDirectoryWritable()) {

            $output->writeln('<error>Temporary directory is not writable.</error>');

            return self::FAILURE;

        }

        $latestVersion = $this->checker->getLatest();

        $downloadUrl = $this->getAssetUrl($latestVersion);

        $output->write("Downloading PsySH $latestVersion ...");

        try {

            $downloader = $this->getDownloader();

            $downloader->setTempDir($this->installer->getTempDirectory());

            $downloaded = $downloader->download($downloadUrl);

        } catch (ErrorException $e) {

            $output->write(' <error>Failed.</error>');

            $output->writeln(\sprintf('<error>%s</error>', $e->getMessage()));

            return self::FAILURE;

        }

        if (!$downloaded) {

            $output->writeln('<error>Download failed.</error>');

            $downloader->cleanup();

            return self::FAILURE;

        } else {

            $output->write(' <info>OK</info>'.\PHP_EOL);

        }

        $downloadedFile = $downloader->getFilename();

        if (!$this->installer->isValidSource($downloadedFile)) {

            $downloader->cleanup();

            $output->writeln('<error>Downloaded file is not a valid archive.</error>');

            return self::FAILURE;

        }

        // create backup as bin.old-version in the temporary directory

        $backupCreated = $this->installer->createBackup($currentVersion);

        if (!$backupCreated) {

            $downloader->cleanup();

            $output->writeln('<error>Failed to create a backup of the current version.</error>');

            return self::FAILURE;

        } elseif ($input->getOption('verbose')) {

            $backupFilename = $this->installer->getBackupFilename($currentVersion);

            $output->writeln('Created backup of current version: '.$backupFilename);

        }

        if (!$this->installer->install($downloadedFile)) {

            $this->installer->restoreFromBackup($currentVersion);

            $downloader->cleanup();

            $output->writeln("<error>Failed to install new PsySH version $latestVersion.</error>");

            return self::FAILURE;

        }

        // Remove the downloaded archive file from the temporary directory

        $downloader->cleanup();

        $output->writeln("Updated PsySH from $currentVersion to <info>$latestVersion</info>");

        return self::SUCCESS;

    }

}