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<?php declare(strict_types=1);
/*
* 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\Cache;
use Composer\Pcre\Preg;
use Composer\Util\Hg as HgUtils;
use Composer\Util\ProcessExecutor;
use Composer\Util\Filesystem;
use Composer\IO\IOInterface;
/**
* @author Per Bernhardt <plb@webfactory.de>
*/
class HgDriver extends VcsDriver
{
/** @var array<int|string, string> Map of tag name to identifier */
protected $tags;
/** @var array<int|string, string> Map of branch name to identifier */
protected $branches;
/** @var string */
protected $rootIdentifier;
/** @var string */
protected $repoDir;
/**
* @inheritDoc
*/
public function initialize(): void
{
if (Filesystem::isLocalPath($this->url)) {
$this->repoDir = $this->url;
} else {
if (!Cache::isUsable($this->config->get('cache-vcs-dir'))) {
throw new \RuntimeException('HgDriver requires a usable cache directory, and it looks like you set it to be disabled');
}
$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.');
}
// Ensure we are allowed to use this URL by config
$this->config->prohibitUrlByConfig($this->url, $this->io);
$hgUtils = new HgUtils($this->io, $this->config, $this->process);
// update the repo if it is a valid hg repository
if (is_dir($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url.', package information from this repository may be outdated ('.$this-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);
$repoDir = $this->repoDir;
$command = static function ($url) use ($repoDir): string {
return sprintf('hg clone --noupdate -- %s %s', ProcessExecutor::escape($url), ProcessExecutor::escape($repoDir));
};
$hgUtils->runCommand($command, $this->url, null);
}
}
$this->getTags();
$this->getBranches();
}
/**
* @inheritDoc
*/
public function getRootIdentifier(): string
{
if (null === $this->rootIdentifier) {
$this->process->execute('hg tip --template "{node}"', $output, $this->repoDir);
$output = $this->process->splitLines($output);
$this->rootIdentifier = $output[0];
}
return $this->rootIdentifier;
}
/**
* @inheritDoc
*/
public function getUrl(): string
{
return $this->url;
}
/**
* @inheritDoc
*/
public function getSource(string $identifier): array
{
return ['type' => 'hg', 'url' => $this->getUrl(), 'reference' => $identifier];
}
/**
* @inheritDoc
*/
public function getDist(string $identifier): ?array
{
return null;
}
/**
* @inheritDoc
*/
public function getFileContent(string $file, string $identifier): ?string
{
if (isset($identifier[0]) && $identifier[0] === '-') {
throw new \RuntimeException('Invalid hg identifier detected. Identifier must not start with a -, given: ' . $identifier);
}
$resource = sprintf('hg cat -r %s -- %s', ProcessExecutor::escape($identifier), ProcessExecutor::escape($file));
$this->process->execute($resource, $content, $this->repoDir);
if (!trim($content)) {
return null;
}
return $content;
}
/**
* @inheritDoc
*/
public function getChangeDate(string $identifier): ?\DateTimeImmutable
{
$this->process->execute(
sprintf(
'hg log --template "{date|rfc3339date}" -r %s',
ProcessExecutor::escape($identifier)
),
$output,
$this->repoDir
);
return new \DateTimeImmutable(trim($output), new \DateTimeZone('UTC'));
}
/**
* @inheritDoc
*/
public function getTags(): array
{
if (null === $this->tags) {
$tags = [];
$this->process->execute('hg tags', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $tag) {
if ($tag && Preg::isMatchStrictGroups('(^([^\s]+)\s+\d+:(.*)$)', $tag, $match)) {
$tags[$match[1]] = $match[2];
}
}
unset($tags['tip']);
$this->tags = $tags;
}
return $this->tags;
}
/**
* @inheritDoc
*/
public function getBranches(): array
{
if (null === $this->branches) {
$branches = [];
$bookmarks = [];
$this->process->execute('hg branches', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $branch) {
if ($branch && Preg::isMatchStrictGroups('(^([^\s]+)\s+\d+:([a-f0-9]+))', $branch, $match) && $match[1][0] !== '-') {
$branches[$match[1]] = $match[2];
}
}
$this->process->execute('hg bookmarks', $output, $this->repoDir);
foreach ($this->process->splitLines($output) as $branch) {
if ($branch && Preg::isMatchStrictGroups('(^(?:[\s*]*)([^\s]+)\s+\d+:(.*)$)', $branch, $match) && $match[1][0] !== '-') {
$bookmarks[$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, string $url, bool $deep = false): bool
{
if (Preg::isMatch('#(^(?: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;
}
$process = new ProcessExecutor($io);
// check whether there is a hg repo in that path
if ($process->execute('hg summary', $output, $url) === 0) {
return true;
}
}
if (!$deep) {
return false;
}
$process = new ProcessExecutor($io);
$exit = $process->execute(sprintf('hg identify -- %s', ProcessExecutor::escape($url)), $ignored);
return $exit === 0;
}
}
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