protected function cleanup()
	{
		$items = $this->getParent(false)->listContents();

		foreach ($items as $item)
		{
			if (in_array($item->getName(), ['.svn', 'CVS', '.DS_Store', '__MACOSX']))
			{
				if (!$item->delete())
				{
					return false;
				}
			}
		}

		return true;
	}