Move sidebar build class into helper

app/helpers/builds_helper.rb

+module BuildsHelper
+  def sidebar_build_class(build, current_build)
+    build_class = ''
+    build_class += ' active' if build == current_build
+    build_class += ' retried' if build.retried?
+  end
+end

app/views/projects/builds/_sidebar.html.haml

@@ -126,7 +126,7 @@
   .builds-container
     - statuses.each do |build_status|
       - builds.select{|build| build.status == build_status}.each do |build|
-        .build-job{class: ('active' if build == @build; 'retried' if build.retried?), data: {stage: build.stage}}
+        .build-job{class: sidebar_build_class(build, @build), data: {stage: build.stage}}
           = link_to namespace_project_build_path(@project.namespace, @project, build) do
             = icon('arrow-right')
             = ci_icon_for_status(build.status)
@@ -136,4 +136,4 @@
               - else
                 = build.id
             - if build.retried?
-              %i.fa.fa-refresh.has-tooltip{data: { container: 'body', placement: 'bottom' }, title: 'This build was retried'}
+              %i.fa.fa-refresh.has-tooltip{data: { container: 'body', placement: 'bottom' }, title: 'Build was retried'}

app/views/projects/ci/builds/_build.html.haml

@@ -37,7 +37,7 @@
       = icon('warning', class: 'text-warning has-tooltip', title: 'Build is stuck. Check runners.')
     - if defined?(retried) && retried
-      = icon('refresh', class: 'text-warning has-tooltip', title: 'Build was retried.')
+      = icon('refresh', class: 'text-warning has-tooltip', title: 'Build was retried')
     .label-container
       - if build.tags.any?