set -o errexit
set -o nounset
set -o pipefail

KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
source "${KUBE_ROOT}/hack/lib/init.sh"

kube::golang::setup_env

gendeepcopy=$(kube::util::find-binary "gendeepcopy")

APIROOTS=${APIROOTS:-pkg/api pkg/apis/authorization pkg/apis/autoscaling pkg/apis/extensions pkg/apis/metrics}
_tmp="${KUBE_ROOT}/_tmp"

cleanup() {
	rm -rf "${_tmp}"
}

trap "cleanup" EXIT SIGINT

for APIROOT in ${APIROOTS}; do
	mkdir -p "${_tmp}/${APIROOT%/*}"
	cp -a "${KUBE_ROOT}/${APIROOT}" "${_tmp}/${APIROOT}"
done

"${KUBE_ROOT}/hack/after-build/update-generated-deep-copies.sh"

for APIROOT in ${APIROOTS}; do
	TMP_APIROOT="${_tmp}/${APIROOT}"
	echo "diffing ${APIROOT} against freshly generated deep copies"
	ret=0
	diff -Naupr -I 'Auto generated by' "${KUBE_ROOT}/${APIROOT}" "${TMP_APIROOT}" || ret=$?
	cp -a ${TMP_APIROOT} "${KUBE_ROOT}/${APIROOT%/*}"
	if [[ $ret -eq 0 ]]; then
		echo "${APIROOT} up to date."
	else
		echo "${APIROOT} is out of date. Please run hack/update-generated-deep-copies.sh"
		exit 1
	fi
done
