Rename ci_commit to pipeline

CHANGELOG

@@ -42,6 +42,7 @@ v 8.9.0 (unreleased)
   - Add DB index on users.state
   - Add rake task 'gitlab:db:configure' for conditionally seeding or migrating the database
   - Changed the Slack build message to use the singular duration if necessary (Aran Koning)
+  - Fix race condition on merge when build succeeds
   - Links from a wiki page to other wiki pages should be rewritten as expected
   - Add option to project to only allow merge requests to be merged if the build succeeds (Rui Santos)
   - Fix issues filter when ordering by milestone
@@ -99,7 +100,6 @@ v 8.9.0 (unreleased)
   - Remove tanuki logo from side navigation; center on top nav
   - Include user relationships when retrieving award_emoji
   - Various associations are now eager loaded when parsing issue references to reduce the number of queries executed
-  - Fix race condition on merge when build succeeds
 
 v 8.8.5 (unreleased)
   - Ensure branch cleanup regardless of whether the GitHub import process succeeds

app/controllers/projects/merge_requests_controller.rb

@@ -204,14 +204,14 @@ class Projects::MergeRequestsController < Projects::ApplicationController
 
     @merge_request.update(merge_error: nil)
 
-    if params[:merge_when_build_succeeds].present? && @merge_request.pipeline && @merge_request.pipeline.active?
-      if @merge_request.ci_commit.active?
+    if params[:merge_when_build_succeeds].present? 
+      if @merge_request.pipeline && @merge_request.pipeline.active?
         MergeRequests::MergeWhenBuildSucceedsService.new(@project, current_user, merge_params)
                                                         .execute(@merge_request)
         @status = :merge_when_build_succeeds
+      elsif @merge_request.pipeline.success?
         # This can be triggered when a user clicks the auto merge button while
         # the tests finish at about the same time
-      elsif @merge_request.ci_commit.success?
         MergeWorker.perform_async(@merge_request.id, current_user.id, params)
         @status = :success
       else