Support references to group milestones

Group milestones can only be referred to by name, not IID. They also do not
support cross-project references.

1 files changed, 4 insertions, 0 deletions

diff --git a/config/application.rb b/config/application.rb
index f7145566262..47887bf8596 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -181,7 +181,11 @@ module Gitlab
         end
       end
 
+      # We add the MilestonesRoutingHelper because we know that this does not
+      # conflict with the methods defined in `project_url_helpers`, and we want
+      # these methods available in the same places.
       Gitlab::Routing.add_helpers(project_url_helpers)
+      Gitlab::Routing.add_helpers(MilestonesRoutingHelper)
     end
   end
 end