Add $__taskName so available in @setup (#254)

* Add $__taskName so available in @setup

* simplify

* wip

Co-authored-by: Arwin <arwin@ligon.nl>
Co-authored-by: Taylor Otwell <taylor@laravel.com>

Author: arwinvdv

src/Console/RunCommand.php

@@ -234,7 +234,10 @@ protected function loadTaskContainer()
         }
 
         with($container = new TaskContainer)->load(
-            $envoyFile, new Compiler, $this->getOptions()
+            $envoyFile,
+            new Compiler,
+            $this->argument('task'),
+            array_merge($this->getOptions(), ['__task' => $this->argument('task')])
         );
 
         return $container;