[Nostromo] Add Exception Listener for uncaught exceptions in Command, wrap Bin in exception for early errors.

bin/mage

@@ -10,6 +10,11 @@ if (file_exists(__DIR__ . '/../../../autoload.php')) {
 
 use Mage\MageApplication;
 
-$mage = new MageApplication();
-$mage->configure('.mage.yml');
-$mage->run();
+try {
+    $mage = new MageApplication();
+    $mage->configure('.mage.yml');
+    $mage->run();
+} catch (Exception $exception) {
+    printf('Error: %s' . PHP_EOL, $exception->getMessage());
+    exit(9);
+}

src/Mage/MageApplication.php

@@ -18,6 +18,9 @@ use Symfony\Component\Finder\Finder;
 use Symfony\Component\Finder\SplFileInfo;
 use Monolog\Logger;
 use Monolog\Handler\StreamHandler;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\Console\Event\ConsoleExceptionEvent;
+use Symfony\Component\Console\ConsoleEvents;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Yaml\Yaml;
 use Mage\Runtime\Exception\RuntimeException;
@@ -31,6 +34,22 @@ class MageApplication extends Application
 {
     protected $runtime;
 
+    public function __construct()
+    {
+        $dispatcher = new EventDispatcher();
+
+        $dispatcher->addListener(ConsoleEvents::EXCEPTION, function (ConsoleExceptionEvent $event) {
+            $output = $event->getOutput();
+            $command = $event->getCommand();
+            $output->writeln(sprintf('Oops, exception thrown while running command <info>%s</info>', $command->getName()));
+            $exitCode = $event->getExitCode();
+            $event->setException(new \LogicException('Caught exception', $exitCode, $event->getException()));
+        });
+
+        $this->setDispatcher($dispatcher);
+        parent::__construct('Magallanes', Mage::VERSION);
+    }
+
     /**
      * Configure the Magallanes Application
      *