public function installProject(IOInterface $io, $packageName, $directory = null, $packageVersion = null, $preferSource = false, $installDevPackages = false, $repositoryUrl = null, $disableCustomInstallers = false, $noScripts = false)
 {
     $config = Factory::createConfig();
     $dm = $this->createDownloadManager($io, $config);
     if ($preferSource) {
         $dm->setPreferSource(true);
     }
     if (null === $repositoryUrl) {
         $sourceRepo = new CompositeRepository(Factory::createDefaultRepositories($io, $config));
     } elseif ("json" === pathinfo($repositoryUrl, PATHINFO_EXTENSION)) {
         $sourceRepo = new FilesystemRepository(new JsonFile($repositoryUrl, new RemoteFilesystem($io)));
     } elseif (0 === strpos($repositoryUrl, 'http')) {
         $sourceRepo = new ComposerRepository(array('url' => $repositoryUrl), $io, $config);
     } else {
         throw new \InvalidArgumentException("Invalid repository url given. Has to be a .json file or an http url.");
     }
     $candidates = array();
     $name = strtolower($packageName);
     if ($packageVersion === null) {
         $sourceRepo->filterPackages(function ($package) use(&$candidates, $name) {
             if ($package->getName() === $name) {
                 $candidates[] = $package;
             }
         });
     } else {
         $parser = new VersionParser();
         $version = $parser->normalize($packageVersion);
         $sourceRepo->filterPackages(function ($package) use(&$candidates, $name, $version) {
             if ($package->getName() === $name && $version === $package->getVersion()) {
                 $candidates[] = $package;
                 return false;
             }
         });
     }
     if (!$candidates) {
         throw new \InvalidArgumentException("Could not find package {$packageName}" . ($packageVersion ? " with version {$packageVersion}." : ''));
     }
     if (null === $directory) {
         $parts = explode("/", $packageName, 2);
         $directory = getcwd() . DIRECTORY_SEPARATOR . array_pop($parts);
     }
     // select highest version if we have many
     $package = $candidates[0];
     foreach ($candidates as $candidate) {
         if (version_compare($package->getVersion(), $candidate->getVersion(), '<')) {
             $package = $candidate;
         }
     }
     unset($candidates);
     $io->write('<info>Installing ' . $package->getName() . ' (' . VersionParser::formatVersion($package, false) . ')</info>', true);
     if ($disableCustomInstallers) {
         $io->write('<info>Custom installers have been disabled.</info>');
     }
     if (0 === strpos($package->getPrettyVersion(), 'dev-') && in_array($package->getSourceType(), array('git', 'hg'))) {
         $package->setSourceReference(substr($package->getPrettyVersion(), 4));
     }
     $projectInstaller = new ProjectInstaller($directory, $dm);
     $projectInstaller->install(new InstalledFilesystemRepository(new JsonFile('php://memory')), $package);
     if ($package->getRepository() instanceof NotifiableRepositoryInterface) {
         $package->getRepository()->notifyInstall($package);
     }
     $io->write('<info>Created project in ' . $directory . '</info>', true);
     chdir($directory);
     putenv('COMPOSER_ROOT_VERSION=' . $package->getPrettyVersion());
     // clean up memory
     unset($dm, $config, $projectInstaller, $sourceRepo, $package);
     // install dependencies of the created project
     $composer = Factory::create($io);
     $installer = Installer::create($io, $composer);
     $installer->setPreferSource($preferSource)->setDevMode($installDevPackages)->setRunScripts(!$noScripts);
     if ($disableCustomInstallers) {
         $installer->disableCustomInstallers();
     }
     $installer->run();
 }
 public function installProject(IOInterface $io, $packageName, $directory = null, $packageVersion = null, $preferSource = false, $preferDist = false, $installDevPackages = false, $repositoryUrl = null, $disableCustomInstallers = false, $noScripts = false, $keepVcs = false)
 {
     $config = Factory::createConfig();
     $dm = $this->createDownloadManager($io, $config);
     if ($preferSource) {
         $dm->setPreferSource(true);
     }
     if (null === $repositoryUrl) {
         $sourceRepo = new CompositeRepository(Factory::createDefaultRepositories($io, $config));
     } elseif ("json" === pathinfo($repositoryUrl, PATHINFO_EXTENSION)) {
         $sourceRepo = new FilesystemRepository(new JsonFile($repositoryUrl, new RemoteFilesystem($io)));
     } elseif (0 === strpos($repositoryUrl, 'http')) {
         $sourceRepo = new ComposerRepository(array('url' => $repositoryUrl), $io, $config);
     } else {
         throw new \InvalidArgumentException("Invalid repository url given. Has to be a .json file or an http url.");
     }
     $candidates = array();
     $name = strtolower($packageName);
     if ($packageVersion === null) {
         $sourceRepo->filterPackages(function ($package) use(&$candidates, $name) {
             if ($package->getName() === $name) {
                 $candidates[] = $package;
             }
         });
     } else {
         $parser = new VersionParser();
         $version = $parser->normalize($packageVersion);
         $sourceRepo->filterPackages(function ($package) use(&$candidates, $name, $version) {
             if ($package->getName() === $name && $version === $package->getVersion()) {
                 $candidates[] = $package;
                 return false;
             }
         });
     }
     if (!$candidates) {
         throw new \InvalidArgumentException("Could not find package {$packageName}" . ($packageVersion ? " with version {$packageVersion}." : ''));
     }
     if (null === $directory) {
         $parts = explode("/", $packageName, 2);
         $directory = getcwd() . DIRECTORY_SEPARATOR . array_pop($parts);
     }
     // select highest version if we have many
     $package = $candidates[0];
     foreach ($candidates as $candidate) {
         if (version_compare($package->getVersion(), $candidate->getVersion(), '<')) {
             $package = $candidate;
         }
     }
     unset($candidates);
     $io->write('<info>Installing ' . $package->getName() . ' (' . VersionParser::formatVersion($package, false) . ')</info>');
     if ($disableCustomInstallers) {
         $io->write('<info>Custom installers have been disabled.</info>');
     }
     if (0 === strpos($package->getPrettyVersion(), 'dev-') && in_array($package->getSourceType(), array('git', 'hg'))) {
         $package->setSourceReference(substr($package->getPrettyVersion(), 4));
     }
     $dm->setPreferSource($preferSource)->setPreferDist($preferDist);
     $projectInstaller = new ProjectInstaller($directory, $dm);
     $projectInstaller->install(new InstalledFilesystemRepository(new JsonFile('php://memory')), $package);
     if ($package->getRepository() instanceof NotifiableRepositoryInterface) {
         $package->getRepository()->notifyInstall($package);
     }
     $installedFromVcs = 'source' === $package->getInstallationSource();
     $io->write('<info>Created project in ' . $directory . '</info>');
     chdir($directory);
     putenv('COMPOSER_ROOT_VERSION=' . $package->getPrettyVersion());
     // clean up memory
     unset($dm, $config, $projectInstaller, $sourceRepo, $package);
     // install dependencies of the created project
     $composer = Factory::create($io);
     $installer = Installer::create($io, $composer);
     $installer->setPreferSource($preferSource)->setPreferDist($preferDist)->setDevMode($installDevPackages)->setRunScripts(!$noScripts);
     if ($disableCustomInstallers) {
         $installer->disableCustomInstallers();
     }
     if (!$installer->run()) {
         return 1;
     }
     if (!$keepVcs && $installedFromVcs && (!$io->isInteractive() || $io->askConfirmation('<info>Do you want to remove the existing VCS (.git, .svn..) history?</info> [<comment>Y,n</comment>]? ', true))) {
         $finder = new Finder();
         $finder->depth(0)->directories()->in(getcwd())->ignoreVCS(false)->ignoreDotFiles(false);
         foreach (array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg') as $vcsName) {
             $finder->name($vcsName);
         }
         try {
             $fs = new Filesystem();
             $dirs = iterator_to_array($finder);
             unset($finder);
             foreach ($dirs as $dir) {
                 if (!$fs->removeDirectory($dir)) {
                     throw new \RuntimeException('Could not remove ' . $dir);
                 }
             }
         } catch (\Exception $e) {
             $io->write('<error>An error occurred while removing the VCS metadata: ' . $e->getMessage() . '</error>');
         }
     }
     return 0;
 }