[refs #579] first version of the outdated diff

app/views/projects/pull_requests/_activity.html.haml

@@ -10,6 +10,14 @@
   -elsif item.is_a? Array
     =render 'projects/git/commits/commits_small', :commits => commits_queue if commits_queue.present?
     -commits_queue.clear
-    =render 'projects/pull_requests/discussion_comments', :item => item, :add_id => nil
+    -unless item[1].first.data[:actual]
+      -exp_id = "expand-comment#{item[1].first.id}"
+      .activity
+        =t '.show_outdated_diff'
+        %span.data-expander.collapsed{:id => exp_id}  
+        .hidden{:id => "content-#{exp_id}"}
+          =render 'projects/pull_requests/discussion_comments', :item => item, :add_id => nil
+    -else
+      =render 'projects/pull_requests/discussion_comments', :item => item, :add_id => nil
 =render 'projects/git/commits/commits_small', :commits => commits_queue if commits_queue.present?
 

config/locales/models/pull_request.en.yml

@@ -28,7 +28,8 @@ en:
         ready: Ready
         merged: Merged
         closed: Closed
-
+      activity:
+        show_outdated_diff: Show outdated_diff
   pull_requests:
     tabs:
       discussion: Discussion

config/locales/models/pull_request.ru.yml

@@ -30,7 +30,8 @@ ru:
         ready: Готов к мержу
         merged: Смержен
         closed: Закрыт
-
+      activity:
+        show_outdated_diff: Отобразить устаревшие изменения
   pull_requests:
     tabs:
       discussion: Дискуссия