diff --git a/apps/bootstrap/commands/HelloController.php b/apps/bootstrap/commands/HelloController.php
index 16f5f74..b5ecac2 100644
--- a/apps/bootstrap/commands/HelloController.php
+++ b/apps/bootstrap/commands/HelloController.php
@@ -24,6 +24,6 @@ class HelloController extends Controller
 	 */
 	public function actionIndex($message = 'hello world')
 	{
-		echo $message;
+		echo $message."\n";
 	}
 }
\ No newline at end of file
diff --git a/extensions/composer/yii/composer/InstallHandler.php b/extensions/composer/yii/composer/InstallHandler.php
index 6d43abd..0c4eb2b 100644
--- a/extensions/composer/yii/composer/InstallHandler.php
+++ b/extensions/composer/yii/composer/InstallHandler.php
@@ -8,11 +8,18 @@
 namespace yii\composer;
 
 use Composer\Script\CommandEvent;
+use yii\console;
+
+defined('YII_DEBUG') or define('YII_DEBUG', true);
+
+// fcgi doesn't have STDIN defined by default
+defined('STDIN') or define('STDIN', fopen('php://stdin', 'r'));
 
 /**
  * InstallHandler is called by Composer after it installs/updates the current package.
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
+ * @author Tobias Munk <schmunk@usrbin.de>
  * @since 2.0
  */
 class InstallHandler
@@ -50,4 +57,41 @@ class InstallHandler
 			}
 		}
 	}
+
+	/**
+	 * Executes a yii command.
+	 * @param CommandEvent $event
+	 */
+	public static function run($event)
+	{
+		$options = array_merge(array(
+			'run' => array(),
+			'config' => null,
+		), $event->getComposer()->getPackage()->getExtra());
+
+		// resolve and include config file
+		if (($options['config'] === null)) {
+			throw new console\Exception('Config file not specified in composer.json extra.config');
+		} else {
+			if (!is_file(getcwd() . '/' . $options['config'])) {
+				throw new console\Exception("Config file '{$options['config']}' specified in composer.json extra.config not found");
+			} else {
+				$config = require($options['config']);
+			}
+		}
+
+		// prepare console application
+		require(__DIR__ . '/../../../yii2/yii/Yii.php');
+		$application = new \yii\console\Application($config);
+		$request = $application->getRequest();
+
+		// run commands from extra.run
+		foreach ((array)$options['run'] as $rawCommand) {
+			$opts = str_getcsv($rawCommand, ' '); // see http://stackoverflow.com/a/6609509/291573
+			$request->setParams($opts);
+			list($command, $params) = $request->resolve();
+			echo "Running command: yiic {$rawCommand}\n";
+			$application->runAction($command, $params);
+		}
+	}
 }
diff --git a/framework/yii/web/Application.php b/framework/yii/web/Application.php
index 3387044..a786985 100644
--- a/framework/yii/web/Application.php
+++ b/framework/yii/web/Application.php
@@ -8,6 +8,8 @@
 namespace yii\web;
 
 use Yii;
+use yii\base\HttpException;
+use yii\base\InvalidRouteException;
 
 /**
  * Application is the base class for all application classes.
@@ -25,6 +27,7 @@ class Application extends \yii\base\Application
 	/**
 	 * Processes the request.
 	 * @return integer the exit status of the controller action (0 means normal, non-zero values mean abnormal)
+	 * @throws HttpException if the request cannot be resolved.
 	 */
 	public function processRequest()
 	{
@@ -32,7 +35,11 @@ class Application extends \yii\base\Application
 		Yii::setAlias('@wwwroot', dirname($request->getScriptFile()));
 		Yii::setAlias('@www', $request->getBaseUrl());
 		list ($route, $params) = $request->resolve();
-		return $this->runAction($route, $params);
+		try {
+			return $this->runAction($route, $params);
+		} catch (InvalidRouteException $e) {
+			throw new HttpException(404, $e->getMessage(), $e->getCode(), $e);
+		}
 	}
 
 	private $_homeUrl;