Hide search panel for group page if you dont have access

app/views/groups/show.html.haml

+- unless can?(current_user, :read_group, @group)
+  - @disable_search_panel = true
+
 = content_for :meta_tags do
   - if current_user
     = auto_discovery_link_tag(:atom, group_url(@group, format: :atom, private_token: current_user.private_token), title: "#{@group.name} activity")

app/views/layouts/header/_default.html.haml

@@ -7,6 +7,7 @@
 
       .navbar-collapse.collapse
         %ul.nav.navbar-nav.pull-right
+          - unless @disable_search_panel
             %li.hidden-sm.hidden-xs
               = render 'layouts/search'
           %li.visible-sm.visible-xs