#!/usr/bin/env bash

set -o errexit

set -o nounset

set -o pipefail

SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..

DIFFROOT="${SCRIPT_ROOT}/pkg"

TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"

_tmp="${SCRIPT_ROOT}/_tmp"

cleanup() {

rm -rf "${_tmp}"

}

trap "cleanup" EXIT SIGINT

cleanup

mkdir -p "${TMP_DIFFROOT}"

cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"

"${SCRIPT_ROOT}/hack/update-codegen.sh" "${TMP_DIFFROOT}"

echo "diffing ${DIFFROOT} against freshly generated codegen"

ret=0

diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?

if [[ $ret -eq 0 ]]

then

echo "${DIFFROOT} up to date."

else

echo "${DIFFROOT} is out of date. Please run 'make codegen'"

exit 1

fi