#!/bin/bash
#
# Copyright(c) 2012-2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#

VER_FILE=CAS_VERSION

which git > /dev/null 2>&1
if [ $? -eq 0 ] && [ -e ../../../.git ]; then
	echo "Generating ${VER_FILE} from git revision."
	echo ""
	VERSION=`git describe HEAD 2>/dev/null`

	CAS_VERSION_MAIN=`echo ${VERSION} | cut  -d '.' -f 1 | awk '{print substr($0, 2)}'`
	CAS_VERSION_MAJOR=`echo ${VERSION} | cut -d '.' -f 2 | awk '{print substr($0, 2)}'`
	CAS_VERSION_MINOR=`echo ${VERSION} | cut -d '.' -f 3 | awk '{print substr($0, 2)}'`
	CAS_BUILD_NO=`echo ${VERSION} | cut -d '.' -f 4 | cut -d '-' -f 1`
	CAS_BUILD_FLAG=`echo ${VERSION} | cut -d '.' -f 4 | cut -s -d '-' -f 3`

	rm -f ${VER_FILE}
	touch ${VER_FILE}

	echo "CAS_VERSION_MAIN=${CAS_VERSION_MAIN}" >> ${VER_FILE}
	echo "CAS_VERSION_MAJOR=${CAS_VERSION_MAJOR}" >> ${VER_FILE}
	echo "CAS_VERSION_MINOR=${CAS_VERSION_MINOR}" >> ${VER_FILE}
	echo "CAS_BUILD_NO=${CAS_BUILD_NO}" >> ${VER_FILE}
	echo "CAS_BUILD_FLAG=${CAS_BUILD_FLAG}" >> ${VER_FILE}
elif [ -f ${VER_FILE} ]; then
	echo "Using existing ${VER_FILE} version file."
	echo ""
else
	echo "No ${VER_FILE} found. Preparing default version file."
	echo ""

	CAS_VERSION_MAIN=19
	CAS_VERSION_MAJOR=06
	CAS_VERSION_MINOR=00
	CAS_BUILD_NO=0000`date +%m%d`
	CAS_BUILD_FLAG=

	touch ${VER_FILE}

	echo "CAS_VERSION_MAIN=${CAS_VERSION_MAIN}" >> ${VER_FILE}
	echo "CAS_VERSION_MAJOR=${CAS_VERSION_MAJOR}" >> ${VER_FILE}
	echo "CAS_VERSION_MINOR=${CAS_VERSION_MINOR}" >> ${VER_FILE}
	echo "CAS_BUILD_NO=${CAS_BUILD_NO}" >> ${VER_FILE}
	echo "CAS_BUILD_FLAG=${CAS_BUILD_FLAG}" >> ${VER_FILE}
fi

cat ${VER_FILE}