Use default autoloader when composer autoloader has been not initialized

bin/mage

@@ -16,7 +16,14 @@ $baseDir = dirname(dirname(__FILE__));
 define('MAGALLANES_VERSION', '1.0.1');
 define('MAGALLANES_DIRECTORY', $baseDir);
 
-require_once __DIR__ . '/../vendor/autoload.php';
+if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
+    require_once __DIR__ . '/../vendor/autoload.php';
+} else {
+    require_once $baseDir . '/Mage/Autoload.php';
+    $loader = new \Mage\Autoload();
+    spl_autoload_register(array($loader, 'autoLoad'));
+}
+
 
 // Clean arguments
 array_shift($argv);