Content-length defined in header response

Enable Content-Length to be defined in header response

app/controllers/projects/repositories_controller.rb

@@ -22,6 +22,7 @@ class Projects::RepositoriesController < Projects::ApplicationController
     if file_path
       # Send file to user
+      response.headers['Content-Length'] = File.Open(file_path).size.to_s
       send_file file_path
     else
       render_404