/**
* @param string|JsonFile $json
* @param Config $config
*
* @return \Composer\Package\RootPackageInterface
*/
public static function loadRootPackageFromJson($json, Config $config = null)
{
try {
$config = null !== $config ? $config : self::loadConfiguration();
$loader = new JsonLoader(new RootPackageLoader(RepositoryFactory::manager(new NullIO(), $config), $config));
$package = $loader->load($json);
} catch (Exception $e) {
throw RuntimeException::fromAnyException($e);
}
return $package;
}
/**
* Creates a Composer instance
*
* @param IOInterface $io IO instance
* @param array|string|null $localConfig either a configuration array or a filename to read from, if null it will
* read from the default filename
* @param bool $disablePlugins Whether plugins should not be loaded
* @param bool $fullLoad Whether to initialize everything or only main project stuff (used when loading the global composer)
* @throws \InvalidArgumentException
* @throws \UnexpectedValueException
* @return Composer
*/
public function createComposer(IOInterface $io, $localConfig = null, $disablePlugins = false, $cwd = null, $fullLoad = true)
{
$cwd = $cwd ?: getcwd();
// load Composer configuration
if (null === $localConfig) {
$localConfig = static::getComposerFile();
}
if (is_string($localConfig)) {
$composerFile = $localConfig;
$file = new JsonFile($localConfig, null, $io);
if (!$file->exists()) {
if ($localConfig === './composer.json' || $localConfig === 'composer.json') {
$message = 'Composer could not find a composer.json file in ' . $cwd;
} else {
$message = 'Composer could not find the config file: ' . $localConfig;
}
$instructions = 'To initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" section';
throw new \InvalidArgumentException($message . PHP_EOL . $instructions);
}
$file->validateSchema(JsonFile::LAX_SCHEMA);
$jsonParser = new JsonParser();
try {
$jsonParser->parse(file_get_contents($localConfig), JsonParser::DETECT_KEY_CONFLICTS);
} catch (DuplicateKeyException $e) {
$details = $e->getDetails();
$io->writeError('<warning>Key ' . $details['key'] . ' is a duplicate in ' . $localConfig . ' at line ' . $details['line'] . '</warning>');
}
$localConfig = $file->read();
}
// Load config and override with local config/auth config
$config = static::createConfig($io, $cwd);
$config->merge($localConfig);
if (isset($composerFile)) {
$io->writeError('Loading config file ' . $composerFile, true, IOInterface::DEBUG);
$config->setConfigSource(new JsonConfigSource(new JsonFile(realpath($composerFile), null, $io)));
$localAuthFile = new JsonFile(dirname(realpath($composerFile)) . '/auth.json', null, $io);
if ($localAuthFile->exists()) {
$io->writeError('Loading config file ' . $localAuthFile->getPath(), true, IOInterface::DEBUG);
$config->merge(array('config' => $localAuthFile->read()));
$config->setAuthConfigSource(new JsonConfigSource($localAuthFile, true));
}
}
$vendorDir = $config->get('vendor-dir');
// initialize composer
$composer = new Composer();
$composer->setConfig($config);
if ($fullLoad) {
// load auth configs into the IO instance
$io->loadConfiguration($config);
}
$rfs = self::createRemoteFilesystem($io, $config);
// initialize event dispatcher
$dispatcher = new EventDispatcher($composer, $io);
$composer->setEventDispatcher($dispatcher);
// initialize repository manager
$rm = RepositoryFactory::manager($io, $config, $dispatcher, $rfs);
$composer->setRepositoryManager($rm);
// load local repository
$this->addLocalRepository($io, $rm, $vendorDir);
// force-set the version of the global package if not defined as
// guessing it adds no value and only takes time
if (!$fullLoad && !isset($localConfig['version'])) {
$localConfig['version'] = '1.0.0';
}
// load package
$parser = new VersionParser();
$guesser = new VersionGuesser($config, new ProcessExecutor($io), $parser);
$loader = new Package\Loader\RootPackageLoader($rm, $config, $parser, $guesser);
$package = $loader->load($localConfig, 'Composer\\Package\\RootPackage', $cwd);
$composer->setPackage($package);
// initialize installation manager
$im = $this->createInstallationManager();
$composer->setInstallationManager($im);
if ($fullLoad) {
// initialize download manager
$dm = $this->createDownloadManager($io, $config, $dispatcher, $rfs);
$composer->setDownloadManager($dm);
// initialize autoload generator
$generator = new AutoloadGenerator($dispatcher, $io);
$composer->setAutoloadGenerator($generator);
}
// add installers to the manager (must happen after download manager is created since they read it out of $composer)
$this->createDefaultInstallers($im, $composer, $io);
if ($fullLoad) {
$globalComposer = null;
if (realpath($config->get('home')) !== $cwd) {
$globalComposer = $this->createGlobalComposer($io, $config, $disablePlugins);
}
$pm = $this->createPluginManager($io, $composer, $globalComposer, $disablePlugins);
$composer->setPluginManager($pm);
$pm->loadInstalledPlugins();
}
// init locker if possible
if ($fullLoad && isset($composerFile)) {
$lockFile = "json" === pathinfo($composerFile, PATHINFO_EXTENSION) ? substr($composerFile, 0, -4) . 'lock' : $composerFile . '.lock';
$locker = new Package\Locker($io, new JsonFile($lockFile, null, $io), $rm, $im, file_get_contents($composerFile));
$composer->setLocker($locker);
}
if ($fullLoad) {
$initEvent = new Event(PluginEvents::INIT);
$composer->getEventDispatcher()->dispatch($initEvent->getName(), $initEvent);
// once everything is initialized we can
// purge packages from local repos if they have been deleted on the filesystem
if ($rm->getLocalRepository()) {
$this->purgePackages($rm->getLocalRepository(), $im);
}
}
return $composer;
}
