lib/gitlab_git/repository.rb in gitlab_git-7.1.10 vs lib/gitlab_git/repository.rb in gitlab_git-7.1.11

@@ -453,10 +453,11 @@
       #       "id" => ....
       #     }
       #   }
       #
       def submodules(ref)
-        commit = rugged.rev_parse(ref)
+        commit = rev_parse_target(ref)
+        return {} unless commit
 
         begin
           content = blob_content(commit, ".gitmodules")
         rescue InvalidBlobName
           return {}