Fix issues laracasts#27

Author: edderrd

src/Laracasts/Commander/CommanderTrait.php

@@ -22,15 +22,19 @@ public function execute($command, array $input = null, $decorators = [])
 
         $bus = $this->getCommandBus();
 
-        // If any decorators are passed, we'll
-        // filter through and register them
-        // with the CommandBus, so that they
-        // are executed first.
-        foreach ($decorators as $decorator)
+        // If any decorators are passed, we'll filter through and register them
+        // with the CommandBus, so that they are executed first.
+        if ($decorators)
         {
-            $bus->decorate($decorator);
+            foreach ($decorators as $decorator)
+            {
+                $bus->decorate($decorator);
+            }
+        } else {
+            $bus->unDecorate();
         }
 
+
         return $bus->execute($command);
     }
 

src/Laracasts/Commander/DefaultCommandBus.php

@@ -43,6 +43,16 @@ public function decorate($className)
         $this->decorators[] = $className;
     }
 
+    /**
+     * Clear decorations from the command bus
+     *
+     * @return null
+     */
+    public function unDecorate()
+    {
+        $this->decorators = [];
+    }
+
     /**
      * Execute the command
      *