2 files changed, 23 insertions, 6 deletions
diff --git a/app/observers/issue_observer.rb b/app/observers/issue_observer.rb
index 886d8b776fb..b150e39e239 100644
--- a/app/observers/issue_observer.rb
+++ b/app/observers/issue_observer.rb
@@ -1,14 +1,14 @@
 class IssueObserver < BaseObserver
   def after_create(issue)
     notification.new_issue(issue, current_user)
-
     issue.create_cross_references!(issue.project, current_user)
+    execute_hooks(issue)
   end
 
   def after_close(issue, transition)
     notification.close_issue(issue, current_user)
-
     create_note(issue)
+    execute_hooks(issue)
   end
 
   def after_reopen(issue, transition)
@@ -29,4 +29,8 @@ class IssueObserver < BaseObserver
   def create_note(issue)
     Note.create_status_change_note(issue, issue.project, current_user, issue.state, current_commit)
   end
+
+  def execute_hooks(issue)
+    issue.project.execute_hooks(issue.to_hook_data, :issue_hooks)
+  end
 end
diff --git a/app/observers/merge_request_observer.rb b/app/observers/merge_request_observer.rb
index d70da514cd2..9e41f8c38a8 100644
--- a/app/observers/merge_request_observer.rb
+++ b/app/observers/merge_request_observer.rb
@@ -7,15 +7,15 @@ class MergeRequestObserver < ActivityObserver
     end
 
     notification.new_merge_request(merge_request, current_user)
-
     merge_request.create_cross_references!(merge_request.project, current_user)
+    execute_hooks(merge_request)
   end
 
   def after_close(merge_request, transition)
     create_event(merge_request, Event::CLOSED)
-    Note.create_status_change_note(merge_request, merge_request.target_project, current_user, merge_request.state, nil)
-
     notification.close_mr(merge_request, current_user)
+    create_note(merge_request)
+    execute_hooks(merge_request)
   end
 
   def after_merge(merge_request, transition)
@@ -31,11 +31,13 @@ class MergeRequestObserver < ActivityObserver
       action: Event::MERGED,
       author_id: merge_request.author_id_of_changes
     )
+
+    execute_hooks(merge_request)
   end
 
   def after_reopen(merge_request, transition)
     create_event(merge_request, Event::REOPENED)
-    Note.create_status_change_note(merge_request, merge_request.target_project, current_user, merge_request.state, nil)
+    create_note(merge_request)
   end
 
   def after_update(merge_request)
@@ -53,4 +55,15 @@ class MergeRequestObserver < ActivityObserver
       author_id: current_user.id
     )
   end
+
+  private
+
+  # Create merge request note with service comment like 'Status changed to closed'
+  def create_note(merge_request)
+    Note.create_status_change_note(merge_request, merge_request.target_project, current_user, merge_request.state, nil)
+  end
+
+  def execute_hooks(merge_request)
+    merge_request.project.execute_hooks(merge_request.to_hook_data, :merge_request_hooks)
+  end
 end