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

@@ -97,6 +97,7 @@ module Projects
       end
 
       if ::Feature.enabled?(:async_pages_move_project_rename, project)
+        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
@@ -108,6 +109,7 @@ module Projects
               .async
               .rename_project(path_before_local, path, namespace.full_path)
           end
+        end
       else
         Gitlab::PagesTransfer
           .new

spec/services/projects/after_rename_service_spec.rb

@@ -75,13 +75,28 @@ RSpec.describe Projects::AfterRenameService do
           end
         end
 
+        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)
+
             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
+
       context 'attachments' do
         before do
           expect(project_storage).to receive(:rename_repo) { true }
@@ -180,13 +195,28 @@ RSpec.describe Projects::AfterRenameService do
           end
         end
 
+        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)
+
             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
+
       context 'attachments' do
         let(:uploader) { create(:upload, :issuable_upload, :with_file, model: project) }
         let(:file_uploader) { build(:file_uploader, project: project) }