Add latest changes from gitlab-org/gitlab@13-4-stable-ee

1 files changed, 9 insertions, 3 deletions

diff --git a/app/services/merge_requests/create_pipeline_service.rb b/app/services/merge_requests/create_pipeline_service.rb
index f9352f10fea..46c4c102091 100644
--- a/app/services/merge_requests/create_pipeline_service.rb
+++ b/app/services/merge_requests/create_pipeline_service.rb
@@ -48,12 +48,18 @@ module MergeRequests
     end
 
     def can_create_pipeline_in_target_project?(merge_request)
-      if Gitlab::Ci::Features.allow_to_create_merge_request_pipelines_in_target_project?(merge_request.target_project)
-        can?(current_user, :create_pipeline, merge_request.target_project)
-      else
+      if Gitlab::Ci::Features.disallow_to_create_merge_request_pipelines_in_target_project?(merge_request.target_project)
         merge_request.for_same_project?
+      else
+        can?(current_user, :create_pipeline, merge_request.target_project) &&
+          can_update_source_branch_in_target_project?(merge_request)
       end
     end
+
+    def can_update_source_branch_in_target_project?(merge_request)
+      ::Gitlab::UserAccess.new(current_user, container: merge_request.target_project)
+        .can_update_branch?(merge_request.source_branch_ref)
+    end
   end
 end