gitlabhq/app/views/repositories/_head.html.haml

.merge-tabs.repository
  = link_to project_repository_path(@project), :class => "activities-tab tab #{'active' if current_page?(project_repository_path(@project)) }" do 
    %span
    Activities
  = link_to "#", :class => "tab" do 
    %span
    Branches
  = link_to "#", :class => "tab" do 
    %span 
    Tags
  = link_to "#", :class => "tab" do 
    %span
    Hooks
  = link_to "#", :class => "tab" do 
    %span
    Deploy Keys