#!/bin/bash

# Copyright 2016 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.

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

setglobal KUBE_ROOT = "$[dirname $(BASH_SOURCE)]/.."
source "$(KUBE_ROOT)/hack/lib/init.sh"

kube::golang::setup_env

make -C $(KUBE_ROOT) WHAT=cmd/kube-apiserver

setglobal apiserver = $[kube::util::find-binary "kube-apiserver]

setglobal SPECROOT = ""$(KUBE_ROOT)/api/openapi-spec""
setglobal TMP_SPECROOT = ""$(KUBE_ROOT)/_tmp/openapi-spec""
setglobal _tmp = ""$(KUBE_ROOT)/_tmp""

mkdir -p $(_tmp)
cp -a $(SPECROOT) $(TMP_SPECROOT)
trap "cp -a $(TMP_SPECROOT) $(SPECROOT)/..; rm -rf $(_tmp)" EXIT SIGINT
rm $(SPECROOT)/*
cp $(TMP_SPECROOT)/BUILD $(SPECROOT)/BUILD 
cp $(TMP_SPECROOT)/README.md $(SPECROOT)/README.md

"$(KUBE_ROOT)/hack/update-openapi-spec.sh"
echo "diffing $(SPECROOT) against freshly generated openapi spec"
setglobal ret = '0'
diff -Naupr -I 'Auto generated by' $(SPECROOT) $(TMP_SPECROOT) || setglobal ret = $Status
if [[ $ret -eq 0 ]]
{
  echo "$(SPECROOT) up to date."
} else {
  echo "$(SPECROOT) is out of date. Please run hack/update-openapi-spec.sh"
  exit 1
}

# ex: ts=2 sw=2 et filetype=sh