by
%a{ href: user_path(@build.user) }
  %span.hidden-xs
    = image_tag avatar_icon_for_user(@build.user, 24), class: "avatar s24"
    %strong{ data: { toggle: 'tooltip', placement: 'top', title: @build.user.to_reference } }
      = @build.user.name
  %strong.visible-xs-inline= @build.user.to_reference