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<?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\Repository\Vcs;
use Composer\Cache;
use Composer\Config;
use Composer\Util\ProcessExecutor;
use Composer\Util\Filesystem;
use Composer\IO\IOInterface;
/**
* @author BohwaZ <http://bohwaz.net/>
*/
class FossilDriver extends VcsDriver
{
protected $tags;
protected $branches;
protected $rootIdentifier;
protected $repoFile;
protected $checkoutDir;
/**
* {@inheritDoc}
*/
public function initialize()
{
// Make sure fossil is installed and reachable.
$this->checkFossil();
// Ensure we are allowed to use this URL by config.
$this->config->prohibitUrlByConfig($this->url, $this->io);
// Only if url points to a locally accessible directory, assume it's the checkout directory.
// Otherwise, it should be something fossil can clone from.
if (Filesystem::isLocalPath($this->url) && is_dir($this->url)) {
$this->checkoutDir = $this->url;
} else {
if (!Cache::isUsable($this->config->get('cache-repo-dir')) || !Cache::isUsable($this->config->get('cache-vcs-dir'))) {
throw new \RuntimeException('FossilDriver requires a usable cache directory, and it looks like you set it to be disabled');
}
$localName = preg_replace('{[^a-z0-9]}i', '-', $this->url);
$this->repoFile = $this->config->get('cache-repo-dir') . '/' . $localName . '.fossil';
$this->checkoutDir = $this->config->get('cache-vcs-dir') . '/' . $localName . '/';
$this->updateLocalRepo();
}
$this->getTags();
$this->getBranches();
}
/**
* Check that fossil can be invoked via command line.
*/
protected function checkFossil()
{
if (0 !== $this->process->execute('fossil version', $ignoredOutput)) {
throw new \RuntimeException("fossil was not found, check that it is installed and in your PATH env.\n\n" . $this->process->getErrorOutput());
}
}
/**
* Clone or update existing local fossil repository.
*/
protected function updateLocalRepo()
{
$fs = new Filesystem();
$fs->ensureDirectoryExists($this->checkoutDir);
if (!is_writable(dirname($this->checkoutDir))) {
throw new \RuntimeException('Can not clone '.$this->url.' to access package information. The "'.$this->checkoutDir.'" directory is not writable by the current user.');
}
// update the repo if it is a valid fossil repository
if (is_file($this->repoFile) && is_dir($this->checkoutDir) && 0 === $this->process->execute('fossil info', $output, $this->checkoutDir)) {
if (0 !== $this->process->execute('fossil pull', $output, $this->checkoutDir)) {
$this->io->writeError('<error>Failed to update '.$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->checkoutDir);
$fs->remove($this->repoFile);
$fs->ensureDirectoryExists($this->checkoutDir);
if (0 !== $this->process->execute(sprintf('fossil clone %s %s', ProcessExecutor::escape($this->url), ProcessExecutor::escape($this->repoFile)), $output)) {
$output = $this->process->getErrorOutput();
throw new \RuntimeException('Failed to clone '.$this->url.' to repository ' . $this->repoFile . "\n\n" .$output);
}
if (0 !== $this->process->execute(sprintf('fossil open %s --nested', ProcessExecutor::escape($this->repoFile)), $output, $this->checkoutDir)) {
$output = $this->process->getErrorOutput();
throw new \RuntimeException('Failed to open repository '.$this->repoFile.' in ' . $this->checkoutDir . "\n\n" .$output);
}
}
}
/**
* {@inheritDoc}
*/
public function getRootIdentifier()
{
if (null === $this->rootIdentifier) {
$this->rootIdentifier = 'trunk';
}
return $this->rootIdentifier;
}
/**
* {@inheritDoc}
*/
public function getUrl()
{
return $this->url;
}
/**
* {@inheritDoc}
*/
public function getSource($identifier)
{
return array('type' => 'fossil', 'url' => $this->getUrl(), 'reference' => $identifier);
}
/**
* {@inheritDoc}
*/
public function getDist($identifier)
{
return null;
}
/**
* {@inheritdoc}
*/
public function getFileContent($file, $identifier)
{
$command = sprintf('fossil cat -r %s %s', ProcessExecutor::escape($identifier), ProcessExecutor::escape($file));
$this->process->execute($command, $content, $this->checkoutDir);
if (!trim($content)) {
return null;
}
return $content;
}
/**
* {@inheritdoc}
*/
public function getChangeDate($identifier)
{
$this->process->execute('fossil finfo -b -n 1 composer.json', $output, $this->checkoutDir);
list(, $date) = explode(' ', trim($output), 3);
return new \DateTime($date, new \DateTimeZone('UTC'));
}
/**
* {@inheritDoc}
*/
public function getTags()
{
if (null === $this->tags) {
$tags = array();
$this->process->execute('fossil tag list', $output, $this->checkoutDir);
foreach ($this->process->splitLines($output) as $tag) {
$tags[$tag] = $tag;
}
$this->tags = $tags;
}
return $this->tags;
}
/**
* {@inheritDoc}
*/
public function getBranches()
{
if (null === $this->branches) {
$branches = array();
$this->process->execute('fossil branch list', $output, $this->checkoutDir);
foreach ($this->process->splitLines($output) as $branch) {
$branch = trim(preg_replace('/^\*/', '', trim($branch)));
$branches[$branch] = $branch;
}
$this->branches = $branches;
}
return $this->branches;
}
/**
* {@inheritDoc}
*/
public static function supports(IOInterface $io, Config $config, $url, $deep = false)
{
if (preg_match('#(^(?:https?|ssh)://(?:[^@]@)?(?:chiselapp\.com|fossil\.))#i', $url)) {
return true;
}
if (preg_match('!/fossil/|\.fossil!', $url)) {
return true;
}
// local filesystem
if (Filesystem::isLocalPath($url)) {
$url = Filesystem::getPlatformPath($url);
if (!is_dir($url)) {
return false;
}
$process = new ProcessExecutor($io);
// check whether there is a fossil repo in that path
if ($process->execute('fossil info', $output, $url) === 0) {
return true;
}
}
return false;
}
}
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