#!/bin/bash

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

KARMADA_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
_tmp="${KARMADA_ROOT}/_tmp"
ESTIMATORPB="pkg/estimator/pb"

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

trap "cleanup" EXIT SIGINT

cleanup

mkdir -p "${_tmp}/${ESTIMATORPB}"

cp -a "${KARMADA_ROOT}/${ESTIMATORPB}"/* "${_tmp}/${ESTIMATORPB}/"

source "$KARMADA_ROOT/hack/update-estimator-protobuf.sh"

echo "diffing ${ESTIMATORPB} against freshly generated estimator protobuf"
ret=0
diff -Naupr "${KARMADA_ROOT}/${ESTIMATORPB}" "${_tmp}/${ESTIMATORPB}" || ret=$?
cp -a "${_tmp}/${ESTIMATORPB}"/* "${KARMADA_ROOT}/${ESTIMATORPB}/"
if [[ $ret -eq 0 ]]; then
  echo "${ESTIMATORPB} is up to date."
else
  echo "${ESTIMATORPB} is out of date. Please run hack/update-estimator-protobuf.sh to update."
  exit 1
fi