Expires full_path cache after repository is transferred

app/services/projects/transfer_service.rb

@@ -78,6 +78,7 @@ module Projects
         Gitlab::PagesTransfer.new.move_project(project.path, @old_namespace.full_path, @new_namespace.full_path)
 
         project.old_path_with_namespace = @old_path
+        project.expires_full_path_cache
 
         execute_system_hooks
       end

spec/services/projects/transfer_service_spec.rb

@@ -30,6 +30,12 @@ describe Projects::TransferService, services: true do
       transfer_project(project, user, group)
     end
 
+    it 'expires full_path cache' do
+      expect(project).to receive(:expires_full_path_cache)
+
+      transfer_project(project, user, group)
+    end
+
     it 'executes system hooks' do
       expect_any_instance_of(Projects::TransferService).to receive(:execute_system_hooks)