Changed how the data is returned - we only care about the branch/tag name

app/assets/javascripts/project.js

@@ -94,8 +94,8 @@
                 link.className = 'is-active';
               }
-              link.textContent = ref.name;
-              link.dataset.ref = ref.name;
+              link.textContent = ref;
+              link.dataset.ref = ref;
               li.appendChild(link);
             }

app/controllers/projects_controller.rb

@@ -267,14 +267,15 @@ class ProjectsController < Projects::ApplicationController
   end
   def refs
-    branches = BranchesFinder.new(@repository, params).execute
+    branches = BranchesFinder.new(@repository, params).execute.map(&:name)
     options = {
       'Branches' => branches.take(100),
     }
     unless @repository.tag_count.zero?
-      tags = TagsFinder.new(@repository, params).execute
+      tags = TagsFinder.new(@repository, params).execute.map(&:name)
+
       options['Tags'] = tags.take(100)
     end