Simplify access checks

app/controllers/projects/git_http_controller.rb

@@ -162,12 +162,18 @@ class Projects::GitHttpController < Projects::ApplicationController
     return false unless Gitlab.config.gitlab_shell.upload_pack
     if user
-      Gitlab::GitAccess.new(user, project, 'http').download_access_check.allowed?
+      access.allowed?
     else
       ci? || project.public?
     end
   end
+  def access
+    return @access if defined?(@access)
+
+    @access = Gitlab::GitAccess.new(user, project, 'http').check('git-upload-pack')
+  end
+
   def receive_pack_allowed?
     return false unless Gitlab.config.gitlab_shell.receive_pack