#!/usr/bin/env bash

# Copyright 2018 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This script does a fast type check of kubernetes code for all platforms.
# Usage: `hack/verify-typecheck.sh`.

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

KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
source "${KUBE_ROOT}/hack/lib/init.sh"
cd "${KUBE_ROOT}"

kube::golang::setup_env
kube::util::require-jq

if [[ $# == 0 ]]; then
  # Doing it this way is MUCH faster than simply saying "all", and there doesn't
  # seem to be a simpler way to express "this whole workspace".
  packages=()
  kube::util::read-array packages < <(
      go work edit -json | jq -r '.Use[].DiskPath + "/..."'
  )
  set -- "${packages[@]}"
fi

ret=0
TYPECHECK_SERIAL="${TYPECHECK_SERIAL:-false}"
go run ./test/typecheck "$@" "--serial=$TYPECHECK_SERIAL" || ret=$?

if [[ $ret -ne 0 ]]; then
  echo "!!! Typecheck has failed. This may cause cross platform build failures." >&2
  echo "!!! Please see https://git.k8s.io/kubernetes/test/typecheck for more information." >&2
  exit 1
fi
