Rescue Rugged::OSError (lock exists) when creating references.

CHANGELOG

@@ -17,6 +17,7 @@ v 8.11.0 (unreleased)
 v 8.10.2 (unreleased)
   - User can now search branches by name. !5144
   - Fix backup restore. !5459
+  - Rescue Rugged::OSError (lock exists) when creating references. !5497
   - Disable MySQL foreign key checks before dropping all tables. !5472
   - Use project ID in repository cache to prevent stale data from persisting across projects. !5460
   - Ensure relative paths for video are rewritten as we do for images. !5474

app/models/repository.rb

@@ -211,6 +211,9 @@ class Repository
       rugged.references.create(keep_around_ref_name(sha), sha, force: true)
     rescue Rugged::ReferenceError => ex
       Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
+    rescue Rugged::OSError => ex
+      raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
+      Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
     end
   end