fix grack accessing files beginning with .git

config/routes.rb

@@ -18,7 +18,7 @@ Gitlab::Application.routes.draw do
     project_root: Gitlab.config.gitolite.repos_path,
     upload_pack:  Gitlab.config.gitolite.upload_pack,
     receive_pack: Gitlab.config.gitolite.receive_pack
-  }), at: '/', constraints: lambda { |request| /[-\/\w\.-]+\.git/.match(request.path_info) }
+  }), at: '/', constraints: lambda { |request| /[-\/\w\.-]+\.git\//.match(request.path_info) }
 
   #
   # Help