src/scripts/generate_version_h

#!/usr/bin/env bash
: ${VPP_BUILD_USER:=$(whoami)}
: ${VPP_BUILD_HOST:=$(hostname)}
DATE_FMT="+%Y-%m-%dT%H:%M:%S"
SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +%s)}"
VPP_BUILD_DATE=$(date -u -d "@$SOURCE_DATE_EPOCH" "$DATE_FMT" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" "$DATE_FMT" 2>/dev/null || date -u "$DATE_FMT")

cat > ${1} << __EOF__
/*
 * Copyright (c) 2018 Cisco and/or its affiliates.
 * 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.
 */

#ifndef included_vpp_app_version_h
#define included_vpp_app_version_h

#define VPP_BUILD_DATE "$VPP_BUILD_DATE"
#define VPP_BUILD_USER "$VPP_BUILD_USER"
#define VPP_BUILD_HOST "$VPP_BUILD_HOST"
#define VPP_BUILD_TOPDIR "$(git rev-parse --show-toplevel 2> /dev/null)"
#define VPP_BUILD_VER "$(scripts/version)"
#endif
__EOF__