/usr/share/php/Composer/Repository/Vcs/HgDriver.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\Repository\Vcs;
use Composer\Config;
use Composer\Json\JsonFile;
use Composer\Util\ProcessExecutor;
use Composer\Util\Filesystem;
use Composer\IO\IOInterface;
use Composer\Downloader\TransportException;
/**
* @author Per Bernhardt <plb@webfactory.de>
*/
class HgDriver extends VcsDriver
{
protected $tags;
protected $branches;
protected $rootIdentifier;
protected $repoDir;
protected $infoCache = array();
/**
* {@inheritDoc}
*/
public function initialize()
{
if (Filesystem::isLocalPath($this->url)) {
$this->repoDir = $this->url;
} else {
$cacheDir = $this->config->get('cache-vcs-dir');
$this->repoDir = $cacheDir . '/' . preg_replace('{[^a-z0-9]}i', '-', $this->url) . '/';
$fs = new Filesystem();
$fs->ensureDirectoryExists($cacheDir);
if (!is_writable(dirname($this->repoDir))) {
throw new \RuntimeException('Can not clone '.$this->url.' to access package information. The "'.$cacheDir.'" directory is not writable by the current user.');
}
if (preg_match('{^http:}i', $this->url) && $this->config->get('secure-http')) {
throw new TransportException("Your configuration does not allow connection to $url. See https://getcomposer.org/doc/06-config.md#secure-http for details.");
}
// update the repo if it is a valid hg repository
if (is_dir($this->repoDir) && 0 === $this->process->execute('hg summary', $output, $this->repoDir)) {
if (0 !== $this->process->execute('hg pull', $output, $this->repoDir)) {
$this->io->writeError('<error>Failed to update '.$this->url.', package information from this repository may be outdated ('.$this->process->getErrorOutput().')</error>');
}
} else {
// clean up directory and do a fresh clone into it
$fs->removeDirectory($this->repoDir);
if (0 !== $this->process->execute(sprintf('hg clone --noupdate %s %s', ProcessExecutor::escape($this->url), ProcessExecutor::escape($this->repoDir)), $output, $cacheDir)) {
$output = $this->process->getErrorOutput();
if (0 !== $this->process->execute('hg --version', $ignoredOutput)) {
throw new \RuntimeException('Failed to clone '.$this->url.', hg was not found, check that it is installed and in your PATH env.' . "\n\n" . $this->process->getErrorOutput());
}
throw new \RuntimeException('Failed to clone '.$this->url.', could not read packages from it' . "\n\n" .$output);
}
}
}
$this->getTags();
$this->getBranches();
}
/**
* {@inheritDoc}
*/
public function getRootIdentifier()
{
if (null === $this->rootIdentifier) {
$this->process->execute(sprintf('hg tip --template "{node}"'), $output, $this->repoDir);
$output = $this->process->splitLines($output);
$this->rootIdentifier = $output[0];
}
return $this->rootIdentifier;
}
/**
* {@inheritDoc}
*/
public function getUrl()
{
return $this->url;
}
/**
* {@inheritDoc}
*/
public function getSource($identifier)
{
return array('type' => 'hg', 'url' => $this->getUrl(), 'reference' => $identifier);
}
/**
* {@inheritDoc}
*/
public function getDist($identifier)
{
return null;
}
/**
* {@inheritDoc}
*/
public function getComposerInformation($identifier)
{
if (!isset($this->infoCache[$identifier])) {
$this->process->execute(sprintf('hg cat -r %s composer.json', ProcessExecutor::escape($identifier)), $composer, $this->repoDir);
if (!trim($composer)) {
return;
}
$composer = JsonFile::parseJson($composer, $identifier);
if (empty($composer['time'])) {
$this->process->execute(sprintf('hg log --template "{date|rfc3339date}" -r %s', ProcessExecutor::escape($identifier)), $output, $this->repoDir);
$date = new \DateTime(trim($output), new \DateTimeZone('UTC'));
$composer['time'] = $date->format('Y-m-d H:i:s');
}
$this->infoCache[$identifier] = $composer;
}
return $this->infoCache[$identifier];
}
/**
* {@inheritDoc}
*/
public function getTags()
{
if (null === $this->tags) {
$tags = array();
$this->process->execute('hg tags', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $tag) {
if ($tag && preg_match('(^([^\s]+)\s+\d+:(.*)$)', $tag, $match)) {
$tags[$match[1]] = $match[2];
}
}
unset($tags['tip']);
$this->tags = $tags;
}
return $this->tags;
}
/**
* {@inheritDoc}
*/
public function getBranches()
{
if (null === $this->branches) {
$branches = array();
$bookmarks = array();
$this->process->execute('hg branches', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $branch) {
if ($branch && preg_match('(^([^\s]+)\s+\d+:([a-f0-9]+))', $branch, $match)) {
$branches[$match[1]] = $match[2];
}
}
$this->process->execute('hg bookmarks', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $branch) {
if ($branch && preg_match('(^(?:[\s*]*)([^\s]+)\s+\d+:(.*)$)', $branch, $match)) {
$bookmarks[$match[1]] = $match[2];
}
}
// Branches will have preference over bookmarks
$this->branches = array_merge($bookmarks, $branches);
}
return $this->branches;
}
/**
* {@inheritDoc}
*/
public static function supports(IOInterface $io, Config $config, $url, $deep = false)
{
if (preg_match('#(^(?:https?|ssh)://(?:[^@]@)?bitbucket.org|https://(?:.*?)\.kilnhg.com)#i', $url)) {
return true;
}
// local filesystem
if (Filesystem::isLocalPath($url)) {
$url = Filesystem::getPlatformPath($url);
if (!is_dir($url)) {
return false;
}
$process = new ProcessExecutor();
// check whether there is a hg repo in that path
if ($process->execute('hg summary', $output, $url) === 0) {
return true;
}
}
if (!$deep) {
return false;
}
$processExecutor = new ProcessExecutor();
$exit = $processExecutor->execute(sprintf('hg identify %s', ProcessExecutor::escape($url)), $ignored);
return $exit === 0;
}
}
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