Make it possible to switch ref in badges view

app/controllers/projects/refs_controller.rb

@@ -24,6 +24,8 @@ class Projects::RefsController < Projects::ApplicationController
             namespace_project_find_file_path(@project.namespace, @project, @id)
           when "graphs_commits"
             commits_namespace_project_graph_path(@project.namespace, @project, @id)
+          when "badges"
+            namespace_project_badges_path(@project.namespace, @project, ref: @id)
           else
             namespace_project_commits_path(@project.namespace, @project, @id)
           end

app/views/projects/badges/index.html.haml

@@ -7,6 +7,8 @@
     .panel-heading
       %b Builds badge ·
       = @badge.to_html
+      .pull-right
+        = render 'shared/ref_switcher', destination: 'badges'
     .panel-body
       .row
         .col-md-2.text-center