attempt to clean up working directory after bundle install.

laravel/cli/tasks/bundle/providers/provider.php

@@ -23,7 +23,7 @@ abstract class Provider {
 	{
 		// When installing a bundle from a Zip archive, we'll first clone
 		// down the bundle zip into the bundles "working" directory so
-		// we have a spot to do all of our bundle extrations.
+		// we have a spot to do all of our bundle extration work.
 		$target = path('storage').'work/laravel-bundle.zip';
 
 		File::put($target, file_get_contents($url));
@@ -46,6 +46,8 @@ abstract class Provider {
 		$path = $this->path($bundle);
 
 		File::cpdir($latest->getRealPath(), path('bundle').$path);
+
+		@unlink($target);
 	}
 
 	/**