/usr/share/php/Composer/Downloader/HgDownloader.php is in composer 1.0.0~beta2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* 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\ProcessExecutor;
/**
* @author Per Bernhardt <plb@webfactory.de>
*/
class HgDownloader extends VcsDownloader
{
/**
* {@inheritDoc}
*/
public function doDownload(PackageInterface $package, $path, $url)
{
$this->checkSecureHttp($url);
$url = ProcessExecutor::escape($url);
$ref = ProcessExecutor::escape($package->getSourceReference());
$this->io->writeError(" Cloning ".$package->getSourceReference());
$command = sprintf('hg clone %s %s', $url, ProcessExecutor::escape($path));
if (0 !== $this->process->execute($command, $ignoredOutput)) {
throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
}
$command = sprintf('hg up %s', $ref);
if (0 !== $this->process->execute($command, $ignoredOutput, realpath($path))) {
throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
}
}
/**
* {@inheritDoc}
*/
public function doUpdate(PackageInterface $initial, PackageInterface $target, $path, $url)
{
$this->checkSecureHttp($url);
$url = ProcessExecutor::escape($url);
$ref = ProcessExecutor::escape($target->getSourceReference());
$this->io->writeError(" Updating to ".$target->getSourceReference());
if (!$this->hasMetadataRepository($path)) {
throw new \RuntimeException('The .hg directory is missing from '.$path.', see https://getcomposer.org/commit-deps for more information');
}
$command = sprintf('hg pull %s && hg up %s', $url, $ref);
if (0 !== $this->process->execute($command, $ignoredOutput, realpath($path))) {
throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
}
}
/**
* {@inheritDoc}
*/
public function getLocalChanges(PackageInterface $package, $path)
{
if (!is_dir($path.'/.hg')) {
return;
}
$this->process->execute('hg st', $output, realpath($path));
return trim($output) ?: null;
}
/**
* {@inheritDoc}
*/
protected function getCommitLogs($fromReference, $toReference, $path)
{
$command = sprintf('hg log -r %s:%s --style compact', $fromReference, $toReference);
if (0 !== $this->process->execute($command, $output, realpath($path))) {
throw new \RuntimeException('Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput());
}
return $output;
}
protected function checkSecureHttp($url)
{
if (preg_match('{^http:}i', $url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
}
/**
* {@inheritDoc}
*/
protected function hasMetadataRepository($path)
{
return is_dir($path . '/.hg');
}
}
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