Reuse repository manager and others directly from the Composer instance, refs #9057

src/Composer/Command/CreateProjectCommand.php

@@ -288,13 +288,13 @@ EOT
         }
 
         $composer = Factory::create($io, $config->all(), $disablePlugins);
-        $eventDispatcher = $composer->getEventDispatcher();
+        $config = $composer->getConfig();
+        $rm = $composer->getRepositoryManager();
 
         if (null === $repository) {
-            $rm = RepositoryFactory::manager($io, $config, $eventDispatcher, Factory::createRemoteFilesystem($io, $config));
             $sourceRepo = new CompositeRepository(RepositoryFactory::defaultRepos($io, $config, $rm));
         } else {
-            $sourceRepo = RepositoryFactory::fromString($io, $config, $repository, true);
+            $sourceRepo = RepositoryFactory::fromString($io, $config, $repository, true, $rm);
         }
 
         $parser = new VersionParser();
@@ -389,13 +389,13 @@ EOT
             $package = $package->getAliasOf();
         }
 
-        $dm = $this->createDownloadManager($io, $config, $eventDispatcher);
+        $dm = $composer->getDownloadManager();
         $dm->setPreferSource($preferSource)
             ->setPreferDist($preferDist)
             ->setOutputProgress(!$noProgress);
 
         $projectInstaller = new ProjectInstaller($directory, $dm);
-        $im = $this->createInstallationManager();
+        $im = $composer->getInstallationManager();
         $im->addInstaller($projectInstaller);
         $im->install(new InstalledFilesystemRepository(new JsonFile('php://memory')), new InstallOperation($package));
         $im->notifyInstalls($io);
@@ -413,16 +413,4 @@ EOT
 
         return $installedFromVcs;
     }
-
-    protected function createDownloadManager(IOInterface $io, Config $config, EventDispatcher $eventDispatcher)
-    {
-        $factory = new Factory();
-
-        return $factory->createDownloadManager($io, $config, $eventDispatcher);
-    }
-
-    protected function createInstallationManager()
-    {
-        return new InstallationManager();
-    }
 }

src/Composer/Repository/RepositoryFactory.php

@@ -62,11 +62,11 @@ class RepositoryFactory
      * @param  bool                $allowFilesystem
      * @return RepositoryInterface
      */
-    public static function fromString(IOInterface $io, Config $config, $repository, $allowFilesystem = false)
+    public static function fromString(IOInterface $io, Config $config, $repository, $allowFilesystem = false, RepositoryManager $rm = null)
     {
         $repoConfig = static::configFromString($io, $config, $repository, $allowFilesystem);
 
-        return static::createRepo($io, $config, $repoConfig);
+        return static::createRepo($io, $config, $repoConfig, $rm);
     }
 
     /**
@@ -75,9 +75,11 @@ class RepositoryFactory
      * @param  array               $repoConfig
      * @return RepositoryInterface
      */
-    public static function createRepo(IOInterface $io, Config $config, array $repoConfig)
+    public static function createRepo(IOInterface $io, Config $config, array $repoConfig, RepositoryManager $rm = null)
     {
-        $rm = static::manager($io, $config, null, Factory::createRemoteFilesystem($io, $config));
+        if (!$rm) {
+            $rm = static::manager($io, $config, null, Factory::createRemoteFilesystem($io, $config));
+        }
         $repos = static::createRepos($rm, array($repoConfig));
 
         return reset($repos);