Merge branch 'fix-ci-builds-for-tags' into 'master'

Generate builds when creating tag using web interface

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/4296

See merge request !2366

CHANGELOG

@@ -44,6 +44,7 @@ v 8.3.3 (unreleased)
   - Enable "Add key" button when user fills in a proper key (Stan Hu)
   - Fix error in processing reply-by-email messages (Jason Lee)
   - Fix Error 500 when visiting build page of project with nil runners_token (Stan Hu)
+  - Fix regression when builds were not generated for tags created through web/api interface
 
 v 8.3.2
   - Change single user API endpoint to return more detailed data (Michael Potthoff)

app/services/create_tag_service.rb

@@ -23,6 +23,7 @@ class CreateTagService < BaseService
       EventCreateService.new.push(project, current_user, push_data)
       project.execute_hooks(push_data.dup, :tag_push_hooks)
       project.execute_services(push_data.dup, :tag_push_hooks)
+      CreateCommitBuildsService.new.execute(project, current_user, push_data)
 
       if release_description
         CreateReleaseService.new(@project, @current_user).