/vendor/composer/composer/src/Composer/Downloader/GitDownloader.php
PHP | 345 lines | 243 code | 48 blank | 54 comment | 42 complexity | e47b6aa3432b4f673590f4fb5ee2ee7f MD5 | raw file
- <?php
- /*
- * 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 Composer\Package\PackageInterface;
- use Composer\Util\GitHub;
- use Composer\Util\Git as GitUtil;
- use Composer\Util\ProcessExecutor;
- use Composer\IO\IOInterface;
- use Composer\Util\Filesystem;
- use Composer\Config;
- /**
- * @author Jordi Boggiano <j.boggiano@seld.be>
- */
- class GitDownloader extends VcsDownloader
- {
- private $hasStashedChanges = false;
- private $gitUtil;
- public function __construct(IOInterface $io, Config $config, ProcessExecutor $process = null, Filesystem $fs = null)
- {
- parent::__construct($io, $config, $process, $fs);
- $this->gitUtil = new GitUtil($this->io, $this->config, $this->process, $this->filesystem);
- }
- /**
- * {@inheritDoc}
- */
- public function doDownload(PackageInterface $package, $path, $url)
- {
- GitUtil::cleanEnv();
- $path = $this->normalizePath($path);
- $ref = $package->getSourceReference();
- $flag = defined('PHP_WINDOWS_VERSION_MAJOR') ? '/D ' : '';
- $command = 'git clone --no-checkout %s %s && cd '.$flag.'%2$s && git remote add composer %1$s && git fetch composer';
- $this->io->writeError(" Cloning ".$ref);
- $commandCallable = function ($url) use ($ref, $path, $command) {
- return sprintf($command, ProcessExecutor::escape($url), ProcessExecutor::escape($path), ProcessExecutor::escape($ref));
- };
- $this->gitUtil->runCommand($commandCallable, $url, $path, true);
- if ($url !== $package->getSourceUrl()) {
- $url = $package->getSourceUrl();
- $this->process->execute(sprintf('git remote set-url origin %s', ProcessExecutor::escape($url)), $output, $path);
- }
- $this->setPushUrl($path, $url);
- if ($newRef = $this->updateToCommit($path, $ref, $package->getPrettyVersion(), $package->getReleaseDate())) {
- if ($package->getDistReference() === $package->getSourceReference()) {
- $package->setDistReference($newRef);
- }
- $package->setSourceReference($newRef);
- }
- }
- /**
- * {@inheritDoc}
- */
- public function doUpdate(PackageInterface $initial, PackageInterface $target, $path, $url)
- {
- GitUtil::cleanEnv();
- $path = $this->normalizePath($path);
- if (!is_dir($path.'/.git')) {
- throw new \RuntimeException('The .git directory is missing from '.$path.', see http://getcomposer.org/commit-deps for more information');
- }
- $ref = $target->getSourceReference();
- $this->io->writeError(" Checking out ".$ref);
- $command = 'git remote set-url composer %s && git fetch composer && git fetch --tags composer';
- $commandCallable = function ($url) use ($command) {
- return sprintf($command, ProcessExecutor::escape ($url));
- };
- $this->gitUtil->runCommand($commandCallable, $url, $path);
- if ($newRef = $this->updateToCommit($path, $ref, $target->getPrettyVersion(), $target->getReleaseDate())) {
- if ($target->getDistReference() === $target->getSourceReference()) {
- $target->setDistReference($newRef);
- }
- $target->setSourceReference($newRef);
- }
- }
- /**
- * {@inheritDoc}
- */
- public function getLocalChanges(PackageInterface $package, $path)
- {
- GitUtil::cleanEnv();
- $path = $this->normalizePath($path);
- if (!is_dir($path.'/.git')) {
- return;
- }
- $command = 'git status --porcelain --untracked-files=no';
- if (0 !== $this->process->execute($command, $output, $path)) {
- throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
- }
- return trim($output) ?: null;
- }
- /**
- * {@inheritDoc}
- */
- protected function cleanChanges(PackageInterface $package, $path, $update)
- {
- GitUtil::cleanEnv();
- $path = $this->normalizePath($path);
- if (!$changes = $this->getLocalChanges($package, $path)) {
- return;
- }
- if (!$this->io->isInteractive()) {
- $discardChanges = $this->config->get('discard-changes');
- if (true === $discardChanges) {
- return $this->discardChanges($path);
- }
- if ('stash' === $discardChanges) {
- if (!$update) {
- return parent::cleanChanges($package, $path, $update);
- }
- return $this->stashChanges($path);
- }
- return parent::cleanChanges($package, $path, $update);
- }
- $changes = array_map(function ($elem) {
- return ' '.$elem;
- }, preg_split('{\s*\r?\n\s*}', $changes));
- $this->io->writeError(' <error>The package has modified files:</error>');
- $this->io->writeError(array_slice($changes, 0, 10));
- if (count($changes) > 10) {
- $this->io->writeError(' <info>'.count($changes) - 10 . ' more files modified, choose "v" to view the full list</info>');
- }
- while (true) {
- switch ($this->io->ask(' <info>Discard changes [y,n,v,'.($update ? 's,' : '').'?]?</info> ', '?')) {
- case 'y':
- $this->discardChanges($path);
- break 2;
- case 's':
- if (!$update) {
- goto help;
- }
- $this->stashChanges($path);
- break 2;
- case 'n':
- throw new \RuntimeException('Update aborted');
- case 'v':
- $this->io->writeError($changes);
- break;
- case '?':
- default:
- help:
- $this->io->writeError(array(
- ' y - discard changes and apply the '.($update ? 'update' : 'uninstall'),
- ' n - abort the '.($update ? 'update' : 'uninstall').' and let you manually clean things up',
- ' v - view modified files',
- ));
- if ($update) {
- $this->io->writeError(' s - stash changes and try to reapply them after the update');
- }
- $this->io->writeError(' ? - print help');
- break;
- }
- }
- }
- /**
- * {@inheritDoc}
- */
- protected function reapplyChanges($path)
- {
- $path = $this->normalizePath($path);
- if ($this->hasStashedChanges) {
- $this->hasStashedChanges = false;
- $this->io->writeError(' <info>Re-applying stashed changes</info>');
- if (0 !== $this->process->execute('git stash pop', $output, $path)) {
- throw new \RuntimeException("Failed to apply stashed changes:\n\n".$this->process->getErrorOutput());
- }
- }
- }
- /**
- * Updates the given path to the given commit ref
- *
- * @param string $path
- * @param string $reference
- * @param string $branch
- * @param \DateTime $date
- * @return null|string if a string is returned, it is the commit reference that was checked out if the original could not be found
- *
- * @throws \RuntimeException
- */
- protected function updateToCommit($path, $reference, $branch, $date)
- {
- $template = 'git checkout %s && git reset --hard %1$s';
- $branch = preg_replace('{(?:^dev-|(?:\.x)?-dev$)}i', '', $branch);
- $branches = null;
- if (0 === $this->process->execute('git branch -r', $output, $path)) {
- $branches = $output;
- }
- // check whether non-commitish are branches or tags, and fetch branches with the remote name
- $gitRef = $reference;
- if (!preg_match('{^[a-f0-9]{40}$}', $reference)
- && $branches
- && preg_match('{^\s+composer/'.preg_quote($reference).'$}m', $branches)
- ) {
- $command = sprintf('git checkout -B %s %s && git reset --hard %2$s', ProcessExecutor::escape($branch), ProcessExecutor::escape('composer/'.$reference));
- if (0 === $this->process->execute($command, $output, $path)) {
- return;
- }
- }
- // try to checkout branch by name and then reset it so it's on the proper branch name
- if (preg_match('{^[a-f0-9]{40}$}', $reference)) {
- // add 'v' in front of the branch if it was stripped when generating the pretty name
- if (!preg_match('{^\s+composer/'.preg_quote($branch).'$}m', $branches) && preg_match('{^\s+composer/v'.preg_quote($branch).'$}m', $branches)) {
- $branch = 'v' . $branch;
- }
- $command = sprintf('git checkout %s', ProcessExecutor::escape($branch));
- $fallbackCommand = sprintf('git checkout -B %s %s', ProcessExecutor::escape($branch), ProcessExecutor::escape('composer/'.$branch));
- if (0 === $this->process->execute($command, $output, $path)
- || 0 === $this->process->execute($fallbackCommand, $output, $path)
- ) {
- $command = sprintf('git reset --hard %s', ProcessExecutor::escape($reference));
- if (0 === $this->process->execute($command, $output, $path)) {
- return;
- }
- }
- }
- $command = sprintf($template, ProcessExecutor::escape($gitRef));
- if (0 === $this->process->execute($command, $output, $path)) {
- return;
- }
- // reference was not found (prints "fatal: reference is not a tree: $ref")
- if (false !== strpos($this->process->getErrorOutput(), $reference)) {
- $this->io->writeError(' <warning>'.$reference.' is gone (history was rewritten?)</warning>');
- }
- throw new \RuntimeException('Failed to execute ' . GitUtil::sanitizeUrl($command) . "\n\n" . $this->process->getErrorOutput());
- }
- protected function setPushUrl($path, $url)
- {
- // set push url for github projects
- if (preg_match('{^(?:https?|git)://'.GitUtil::getGitHubDomainsRegex($this->config).'/([^/]+)/([^/]+?)(?:\.git)?$}', $url, $match)) {
- $protocols = $this->config->get('github-protocols');
- $pushUrl = 'git@'.$match[1].':'.$match[2].'/'.$match[3].'.git';
- if ($protocols[0] !== 'git') {
- $pushUrl = 'https://' . $match[1] . '/'.$match[2].'/'.$match[3].'.git';
- }
- $cmd = sprintf('git remote set-url --push origin %s', ProcessExecutor::escape($pushUrl));
- $this->process->execute($cmd, $ignoredOutput, $path);
- }
- }
- /**
- * {@inheritDoc}
- */
- protected function getCommitLogs($fromReference, $toReference, $path)
- {
- $path = $this->normalizePath($path);
- $command = sprintf('git log %s..%s --pretty=format:"%%h - %%an: %%s"', $fromReference, $toReference);
- if (0 !== $this->process->execute($command, $output, $path)) {
- throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
- }
- return $output;
- }
- /**
- * @param $path
- * @throws \RuntimeException
- */
- protected function discardChanges($path)
- {
- $path = $this->normalizePath($path);
- if (0 !== $this->process->execute('git reset --hard', $output, $path)) {
- throw new \RuntimeException("Could not reset changes\n\n:".$this->process->getErrorOutput());
- }
- }
- /**
- * @param $path
- * @throws \RuntimeException
- */
- protected function stashChanges($path)
- {
- $path = $this->normalizePath($path);
- if (0 !== $this->process->execute('git stash', $output, $path)) {
- throw new \RuntimeException("Could not stash changes\n\n:".$this->process->getErrorOutput());
- }
- $this->hasStashedChanges = true;
- }
- protected function normalizePath($path)
- {
- if (defined('PHP_WINDOWS_VERSION_MAJOR') && strlen($path) > 0) {
- $basePath = $path;
- $removed = array();
- while (!is_dir($basePath) && $basePath !== '\\') {
- array_unshift($removed, basename($basePath));
- $basePath = dirname($basePath);
- }
- if ($basePath === '\\') {
- return $path;
- }
- $path = rtrim(realpath($basePath) . '/' . implode('/', $removed), '/');
- }
- return $path;
- }
- }