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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Downloader;
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use Composer\Package\PackageInterface;
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use Composer\Util\ProcessExecutor;
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/**
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* @author Per Bernhardt <plb@webfactory.de>
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*/
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class HgDownloader extends VcsDownloader
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{
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/**
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* {@inheritDoc}
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*/
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public function doDownload(PackageInterface $package, $path, $url)
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{
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$url = ProcessExecutor::escape($url);
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$ref = ProcessExecutor::escape($package->getSourceReference());
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$this->io->writeError(" Cloning ".$package->getSourceReference());
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$command = sprintf('hg clone %s %s', $url, ProcessExecutor::escape($path));
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if (0 !== $this->process->execute($command, $ignoredOutput)) {
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throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
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}
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$command = sprintf('hg up %s', $ref);
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if (0 !== $this->process->execute($command, $ignoredOutput, realpath($path))) {
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throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
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}
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}
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/**
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* {@inheritDoc}
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*/
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public function doUpdate(PackageInterface $initial, PackageInterface $target, $path, $url)
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{
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$url = ProcessExecutor::escape($url);
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$ref = ProcessExecutor::escape($target->getSourceReference());
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$this->io->writeError(" Updating to ".$target->getSourceReference());
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if (!$this->hasMetadataRepository($path)) {
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throw new \RuntimeException('The .hg directory is missing from '.$path.', see https://getcomposer.org/commit-deps for more information');
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}
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$command = sprintf('hg pull %s && hg up %s', $url, $ref);
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if (0 !== $this->process->execute($command, $ignoredOutput, realpath($path))) {
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throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
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}
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}
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/**
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* {@inheritDoc}
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*/
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public function getLocalChanges(PackageInterface $package, $path)
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{
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if (!is_dir($path.'/.hg')) {
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return;
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}
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$this->process->execute('hg st', $output, realpath($path));
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return trim($output) ?: null;
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}
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/**
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* {@inheritDoc}
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*/
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protected function getCommitLogs($fromReference, $toReference, $path)
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{
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$command = sprintf('hg log -r %s:%s --style compact', $fromReference, $toReference);
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if (0 !== $this->process->execute($command, $output, realpath($path))) {
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throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
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}
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return $output;
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}
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/**
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* Checks if VCS metadata repository has been initialized
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* repository example: .git|.svn|.hg
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*
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* @param string $path
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* @return bool
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*/
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protected function hasMetadataRepository($path)
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{
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return is_dir($path . '/.hg');
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}
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}
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