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-rw-r--r--app/services/merge_requests/create_service.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/app/services/merge_requests/create_service.rb b/app/services/merge_requests/create_service.rb
index f431c5d5534..8389f29a53a 100644
--- a/app/services/merge_requests/create_service.rb
+++ b/app/services/merge_requests/create_service.rb
@@ -9,6 +9,15 @@ module MergeRequests
merge_request.author = current_user
if merge_request.save
+ # Fetch fork branch into hidden ref of target repository
+ if merge_request.for_fork?
+ merge_request.target_project.repository.fetch_ref(
+ merge_request.source_project.repository.path_to_repo,
+ "refs/heads/#{merge_request.source_branch}",
+ "refs/merge-requests/#{merge_request.id}/head"
+ )
+ end
+
merge_request.update_attributes(label_ids: label_params)
event_service.open_mr(merge_request, current_user)
notification_service.new_merge_request(merge_request, current_user)