Merge branch 'bvl-fix-maintainer-push-rejected' into 'master'

Fixes rejected pushes from maintainers

Closes #46337

See merge request gitlab-org/gitlab-ce!18968

1 files changed, 8 insertions, 4 deletions

diff --git a/app/models/project.rb b/app/models/project.rb
index fe1e0c598d2..f0d8c40bfea 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -2140,10 +2140,14 @@ class Project < ActiveRecord::Base
     check_access = -> do
       next false if empty_repo?
 
-      merge_request = source_of_merge_requests.opened
-                        .where(allow_collaboration: true)
-                        .find_by(source_branch: branch_name)
-      merge_request&.can_be_merged_by?(user)
+      merge_requests = source_of_merge_requests.opened
+                         .where(allow_collaboration: true)
+
+      if branch_name
+        merge_requests.find_by(source_branch: branch_name)&.can_be_merged_by?(user)
+      else
+        merge_requests.any? { |merge_request| merge_request.can_be_merged_by?(user) }
+      end
     end
 
     if RequestStore.active?