1
0
Fork 0
composer/src/Composer/Factory.php

144 lines
5.3 KiB
PHP

<?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;
use Composer\Json\JsonFile;
use Composer\IO\IOInterface;
/**
* Creates an configured instance of composer.
*
* @author Ryan Weaver <ryan@knplabs.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
* @author Igor Wiedler <igor@wiedler.ch>
*/
class Factory
{
/**
* Creates a Composer instance
*
* @return Composer
*/
public function createComposer(IOInterface $io, $composerFile = null)
{
// load Composer configuration
if (null === $composerFile) {
$composerFile = getenv('COMPOSER') ?: 'composer.json';
}
$file = new JsonFile($composerFile);
if (!$file->exists()) {
if ($composerFile === 'composer.json') {
$message = 'Composer could not find a composer.json file in '.getcwd();
} else {
$message = 'Composer could not find the config file: '.$composerFile;
}
$instructions = 'To initialize a project, please create a composer.json file as described on the http://packagist.org/ "Getting Started" section';
throw new \InvalidArgumentException($message.PHP_EOL.$instructions);
}
// Configuration defaults
$composerConfig = array(
'vendor-dir' => 'vendor',
);
$packageConfig = $file->read();
if (isset($packageConfig['config']) && is_array($packageConfig['config'])) {
$packageConfig['config'] = array_merge($composerConfig, $packageConfig['config']);
} else {
$packageConfig['config'] = $composerConfig;
}
$vendorDir = getenv('COMPOSER_VENDOR_DIR') ?: $packageConfig['config']['vendor-dir'];
if (!isset($packageConfig['config']['bin-dir'])) {
$packageConfig['config']['bin-dir'] = $vendorDir.'/bin';
}
$binDir = getenv('COMPOSER_BIN_DIR') ?: $packageConfig['config']['bin-dir'];
// initialize repository manager
$rm = $this->createRepositoryManager($io, $vendorDir);
// initialize download manager
$dm = $this->createDownloadManager($io);
// initialize installation manager
$im = $this->createInstallationManager($rm, $dm, $vendorDir, $binDir, $io);
// load package
$loader = new Package\Loader\RootPackageLoader($rm);
$package = $loader->load($packageConfig);
// load default repository unless it's explicitly disabled
if (!isset($packageConfig['repositories']['packagist']) || $packageConfig['repositories']['packagist'] !== false) {
$rm->addRepository(new Repository\ComposerRepository(array('url' => 'http://packagist.org')));
}
// init locker
$lockFile = substr($composerFile, -5) === '.json' ? substr($composerFile, 0, -4).'lock' : $composerFile . '.lock';
$locker = new Package\Locker(new JsonFile($lockFile), $rm, md5_file($composerFile));
// initialize composer
$composer = new Composer();
$composer->setPackage($package);
$composer->setLocker($locker);
$composer->setRepositoryManager($rm);
$composer->setDownloadManager($dm);
$composer->setInstallationManager($im);
return $composer;
}
protected function createRepositoryManager(IOInterface $io, $vendorDir)
{
$rm = new Repository\RepositoryManager($io);
$rm->setLocalRepository(new Repository\FilesystemRepository(new JsonFile($vendorDir.'/.composer/installed.json')));
$rm->setRepositoryClass('composer', 'Composer\Repository\ComposerRepository');
$rm->setRepositoryClass('vcs', 'Composer\Repository\VcsRepository');
$rm->setRepositoryClass('pear', 'Composer\Repository\PearRepository');
$rm->setRepositoryClass('package', 'Composer\Repository\PackageRepository');
return $rm;
}
protected function createDownloadManager(IOInterface $io)
{
$dm = new Downloader\DownloadManager();
$dm->setDownloader('git', new Downloader\GitDownloader($io));
$dm->setDownloader('svn', new Downloader\SvnDownloader($io));
$dm->setDownloader('hg', new Downloader\HgDownloader($io));
$dm->setDownloader('pear', new Downloader\PearDownloader($io));
$dm->setDownloader('zip', new Downloader\ZipDownloader($io));
$dm->setDownloader('tar', new Downloader\TarDownloader($io));
$dm->setDownloader('phar', new Downloader\PharDownloader($io));
return $dm;
}
protected function createInstallationManager(Repository\RepositoryManager $rm, Downloader\DownloadManager $dm, $vendorDir, $binDir, IOInterface $io)
{
$im = new Installer\InstallationManager($vendorDir);
$im->addInstaller(new Installer\LibraryInstaller($vendorDir, $binDir, $dm, $rm->getLocalRepository(), $io, null));
$im->addInstaller(new Installer\InstallerInstaller($vendorDir, $binDir, $dm, $rm->getLocalRepository(), $io, $im));
return $im;
}
static public function create(IOInterface $io, $composerFile = null)
{
$factory = new static();
return $factory->createComposer($io, $composerFile);
}
}