Add commandline arguments backtrace & formatter

extensions/command/Phpspec.php

@@ -4,8 +4,27 @@
 
 class Phpspec extends \lithium\console\Command {
 
+    /**
+     * Enable displaying the backtrace on errors
+     */
+    public $backtrace = false;
+
+    /**
+     * Set the format mode
+     */
+    public $formatter = null;
+
     public function run($path) {
-        $args = (array)$path;
+        if ($this->formatter === true) {
+            $this->formatter = false;
+        };
+        $args = array(
+            $path,
+            $this->backtrace ? '-b' : '',
+            $this->formatter ? '-f' : '',
+            $this->formatter ?: '',
+        );
+        array_filter($args);
         $phpspec = new \PHPSpec\PHPSpec($args);
         $phpspec->execute();
     }