Only schedule PagesTransferWorker when project has pages

If a project has no pages deployed, we don't need to schedule this
worker at all.

app/services/projects/after_rename_service.rb

@@ -97,16 +97,18 @@ module Projects
       end
 
       if ::Feature.enabled?(:async_pages_move_project_rename, project)
-        # Block will be evaluated in the context of project so we need
-        # to bind to a local variable to capture it, as the instance
-        # variable and method aren't available on Project
-        path_before_local = @path_before
-
-        project.run_after_commit_or_now do
-          Gitlab::PagesTransfer
-            .new
-            .async
-            .rename_project(path_before_local, path, namespace.full_path)
+        if project.pages_deployed?
+          # Block will be evaluated in the context of project so we need
+          # to bind to a local variable to capture it, as the instance
+          # variable and method aren't available on Project
+          path_before_local = @path_before
+
+          project.run_after_commit_or_now do
+            Gitlab::PagesTransfer
+              .new
+              .async
+              .rename_project(path_before_local, path, namespace.full_path)
+          end
         end
       else
         Gitlab::PagesTransfer

spec/services/projects/after_rename_service_spec.rb

@@ -75,10 +75,25 @@ RSpec.describe Projects::AfterRenameService do
           end
         end
 
-        it 'schedules a move of the pages directory' do
-          expect(PagesTransferWorker).to receive(:perform_async).with('rename_project', anything)
+        context 'when the project has pages deployed' do
+          it 'schedules a move of the pages directory' do
+            allow(project).to receive(:pages_deployed?).and_return(true)
 
-          service_execute
+            expect(PagesTransferWorker).to receive(:perform_async).with('rename_project', anything)
+
+            service_execute
+          end
+        end
+
+        context 'when the project does not have pages deployed' do
+          it 'does nothing with the pages directory' do
+            allow(project).to receive(:pages_deployed?).and_return(false)
+
+            expect(PagesTransferWorker).not_to receive(:perform_async)
+            expect(Gitlab::PagesTransfer).not_to receive(:new)
+
+            service_execute
+          end
         end
       end
 
@@ -180,10 +195,25 @@ RSpec.describe Projects::AfterRenameService do
           end
         end
 
-        it 'schedules a move of the pages directory' do
-          expect(PagesTransferWorker).to receive(:perform_async).with('rename_project', anything)
+        context 'when the project has pages deployed' do
+          it 'schedules a move of the pages directory' do
+            allow(project).to receive(:pages_deployed?).and_return(true)
 
-          service_execute
+            expect(PagesTransferWorker).to receive(:perform_async).with('rename_project', anything)
+
+            service_execute
+          end
+        end
+
+        context 'when the project does not have pages deployed' do
+          it 'does nothing with the pages directory' do
+            allow(project).to receive(:pages_deployed?).and_return(false)
+
+            expect(PagesTransferWorker).not_to receive(:perform_async)
+            expect(Gitlab::PagesTransfer).not_to receive(:new)
+
+            service_execute
+          end
         end
       end