#!/bin/bash

# SPDX-License-Identifier: BSD-2-Clause

# Copyright (C) 2014 - 2020 Intel Corporation.

set -e

# If the VERSION file does not exist, then create it based on git

# describe or if not in a git repo just set VERSION to 0.0.0.

# Determine VERSION scheme, based on git:

# -if HEAD is tag annotated - it is official release e.g. setting VERSION to "1.9.0"

# -if HEAD is not tag annotated - it is snapshot e.g. setting VERSION to "1.8.0+dev19+g1c93b2d"

if [ ! -f VERSION ]; then

    if [ -f .git/config ]; then

        sha=$(git describe --long | awk -F- '{print $(NF)}')

        release=$(git describe --long | awk -F- '{print $(NF-1)}')

        version=$(git describe --long | sed -e "s|\(.*\)-$release-$sha|\1|" -e "s|-|+|g" -e "s|^v||")

        if [ ${release} != "0" ]; then

            echo "WARNING: No annotated tag referring to this commit was found, setting version to development build " 2>&1

            version=${version}+dev${release}+${sha}

        else

            echo "Annotated tag referring to this commit was found, setting version as an official release" 2>&1

            version=${version}

        fi

    else

        echo "WARNING: VERSION file does not exist and working directory is not a git repository, setting version to 0.0.0" 2>&1

        version=0.0.0

    fi

    echo $version > VERSION

fi

autoreconf --install