Make test fails due to keeping github.com autogenerated folder in root

.github/workflows/run_e2e.yaml

@@ -20,6 +20,6 @@ jobs:
     - name: Compile
       run: make linux
     - name: Run unit tests
-      run: go test ./...
+      run: make test
     - name: Run end-2-end tests
       run: make e2e

Makefile

@@ -103,5 +103,8 @@ test:
 	hack/verify-codegen.sh
 	GO111MODULE=on go test ./...
 
+codegen:
+	hack/update-codegen.sh
+
 e2e: docker # build operator image to be tested
 	cd e2e; make e2etest

hack/update-codegen.sh

@@ -4,10 +4,22 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+GENERATED_PACKAGE_ROOT="github.com"
+OPERATOR_PACKAGE_ROOT="${GENERATED_PACKAGE_ROOT}/zalando/postgres-operator"
 SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
-CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ${GOPATH}/src/k8s.io/code-generator)}
+TARGET_CODE_DIR=${1-${SCRIPT_ROOT}/pkg}
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo "${GOPATH}"/src/k8s.io/code-generator)}
+
+cleanup() {
+    rm -rf "${GENERATED_PACKAGE_ROOT}"
+}
+trap "cleanup" EXIT SIGINT
 
 bash "${CODEGEN_PKG}/generate-groups.sh" all \
-  github.com/zalando/postgres-operator/pkg/generated github.com/zalando/postgres-operator/pkg/apis \
+  "${OPERATOR_PACKAGE_ROOT}/pkg/generated" "${OPERATOR_PACKAGE_ROOT}/pkg/apis" \
   "acid.zalan.do:v1" \
   --go-header-file "${SCRIPT_ROOT}"/hack/custom-boilerplate.go.txt
+
+cp -r "${OPERATOR_PACKAGE_ROOT}"/pkg/* "${TARGET_CODE_DIR}"
+
+cleanup

hack/verify-codegen.sh

@@ -19,15 +19,14 @@ cleanup
 mkdir -p "${TMP_DIFFROOT}"
 cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"
 
-"${SCRIPT_ROOT}/hack/update-codegen.sh"
+"${SCRIPT_ROOT}/hack/update-codegen.sh" "${TMP_DIFFROOT}"
 echo "diffing ${DIFFROOT} against freshly generated codegen"
 ret=0
 diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
-cp -a "${TMP_DIFFROOT}"/* "${DIFFROOT}"
 if [[ $ret -eq 0 ]]
 then
     echo "${DIFFROOT} up to date."
 else
-    echo "${DIFFROOT} is out of date. Please run hack/update-codegen.sh"
+    echo "${DIFFROOT} is out of date. Please run 'make codegen'"
     exit 1
 fi