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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Repository\Vcs; use Composer\Util\ProcessExecutor; use Composer\Util\Filesystem; use Composer\Util\Url; use Composer\Util\Git as GitUtil; use Composer\IO\IOInterface; use Composer\Cache; use Composer\Config; /** * @author Jordi Boggiano <[email protected]> */ class GitDriver extends VcsDriver { protected $tags; protected $branches; protected $rootIdentifier; protected $repoDir; /** * {@inheritDoc} */ public function initialize() { if (Filesystem::isLocalPath($this->url)) { $this->url = preg_replace('{[\\/]\.git/?$}', '', $this->url); if (!is_dir($this->url)) { throw new \RuntimeException('Failed to read package information from '.$this->url.' as the path does not exist'); } $this->repoDir = $this->url; $cacheUrl = realpath($this->url); } else { if (!Cache::isUsable($this->config->get('cache-vcs-dir'))) { throw new \RuntimeException('GitDriver requires a usable cache directory, and it looks like you set it to be disabled'); } $this->repoDir = $this->config->get('cache-vcs-dir') . '/' . preg_replace('{[^a-z0-9.]}i', '-', $this->url) . '/'; GitUtil::cleanEnv(); $fs = new Filesystem(); $fs->ensureDirectoryExists(dirname($this->repoDir)); if (!is_writable(dirname($this->repoDir))) { throw new \RuntimeException('Can not clone '.$this->url.' to access package information. The "'.dirname($this->repoDir).'" directory is not writable by the current user.'); } if (preg_match('{^ssh://[^@]+@[^:]+:[^0-9]+}', $this->url)) { throw new \InvalidArgumentException('The source URL '.$this->url.' is invalid, ssh URLs should have a port number after ":".'."\n".'Use ssh://[email protected]:22/path or just [email protected]:path if you do not want to provide a password or custom port.'); } $gitUtil = new GitUtil($this->io, $this->config, $this->process, $fs); if (!$gitUtil->syncMirror($this->url, $this->repoDir)) { if (!is_dir($this->repoDir)) { throw new \RuntimeException('Failed to clone '.$this->url.' to read package information from it'); } $this->io->writeError('<error>Failed to update '.$this->url.', package information from this repository may be outdated</error>'); } $cacheUrl = $this->url; } $this->getTags(); $this->getBranches(); $this->cache = new Cache($this->io, $this->config->get('cache-repo-dir').'/'.preg_replace('{[^a-z0-9.]}i', '-', Url::sanitize($cacheUrl))); $this->cache->setReadOnly($this->config->get('cache-read-only')); } /** * {@inheritDoc} */ public function getRootIdentifier() { if (null === $this->rootIdentifier) { $this->rootIdentifier = 'master'; // select currently checked out branch if master is not available $this->process->execute('git branch --no-color', $output, $this->repoDir); $branches = $this->process->splitLines($output); if (!in_array('* master', $branches)) { foreach ($branches as $branch) { if ($branch && preg_match('{^\* +(\S+)}', $branch, $match)) { $this->rootIdentifier = $match[1]; break; } } } } return $this->rootIdentifier; } /** * {@inheritDoc} */ public function getUrl() { return $this->url; } /** * {@inheritDoc} */ public function getSource($identifier) { return array('type' => 'git', 'url' => $this->getUrl(), 'reference' => $identifier); } /** * {@inheritDoc} */ public function getDist($identifier) { return null; } /** * {@inheritdoc} */ public function getFileContent($file, $identifier) { $resource = sprintf('%s:%s', ProcessExecutor::escape($identifier), ProcessExecutor::escape($file)); $this->process->execute(sprintf('git show %s', $resource), $content, $this->repoDir); if (!trim($content)) { return null; } return $content; } /** * {@inheritdoc} */ public function getChangeDate($identifier) { $this->process->execute(sprintf( 'git -c log.showSignature=false log -1 --format=%%at %s', ProcessExecutor::escape($identifier) ), $output, $this->repoDir); return new \DateTime('@'.trim($output), new \DateTimeZone('UTC')); } /** * {@inheritDoc} */ public function getTags() { if (null === $this->tags) { $this->tags = array(); $this->process->execute('git show-ref --tags --dereference', $output, $this->repoDir); foreach ($output = $this->process->splitLines($output) as $tag) { if ($tag && preg_match('{^([a-f0-9]{40}) refs/tags/(\S+?)(\^\{\})?$}', $tag, $match)) { $this->tags[$match[2]] = $match[1]; } } } return $this->tags; } /** * {@inheritDoc} */ public function getBranches() { if (null === $this->branches) { $branches = array(); $this->process->execute('git branch --no-color --no-abbrev -v', $output, $this->repoDir); foreach ($this->process->splitLines($output) as $branch) { if ($branch && !preg_match('{^ *[^/]+/HEAD }', $branch)) { if (preg_match('{^(?:\* )? *(\S+) *([a-f0-9]+)(?: .*)?$}', $branch, $match)) { $branches[$match[1]] = $match[2]; } } } $this->branches = $branches; } return $this->branches; } /** * {@inheritDoc} */ public static function supports(IOInterface $io, Config $config, $url, $deep = false) { if (preg_match('#(^git://|\.git/?$|git(?:olite)?@|//git\.|//github.com/)#i', $url)) { return true; } // local filesystem if (Filesystem::isLocalPath($url)) { $url = Filesystem::getPlatformPath($url); if (!is_dir($url)) { return false; } $process = new ProcessExecutor($io); // check whether there is a git repo in that path if ($process->execute('git tag', $output, $url) === 0) { return true; } } if (!$deep) { return false; } $gitUtil = new GitUtil($io, $config, new ProcessExecutor($io), new Filesystem()); GitUtil::cleanEnv(); try { $gitUtil->runCommand(function ($url) { return 'git ls-remote --heads -- ' . ProcessExecutor::escape($url); }, $url, sys_get_temp_dir()); } catch (\RuntimeException $e) { return false; } return true; } }