Ensure code is generated during CI

.github/workflows/ci.yaml

@@ -33,6 +33,10 @@ jobs:
         curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
         chmod +x ./cc-test-reporter
 
+    - name: Verify Code Generation
+      run: |
+        make verify-generate
+
     - name: Lint
       run: |
         make lint

Makefile

@@ -69,6 +69,14 @@ docker-push-all: docker-push
 	docker push $(REGISTRY)/oauth2-proxy:latest-armv6
 	docker push $(REGISTRY)/oauth2-proxy:${VERSION}-armv6
 
+.PHONY: generate
+generate:
+	go generate ./pkg/...
+
+.PHONY: verify-generate
+verify-generate: generate
+	git diff --exit-code
+
 .PHONY: test
 test: lint
 	GO111MODULE=on $(GO) test $(TESTCOVER) -v -race ./...