#!/bin/sh
cd "$(dirname "$0")"

dirbase="$(basename "$(pwd)")"

if [ -n "$M1N1_VERSION_TAG" ]; then
    version="$M1N1_VERSION_TAG"
elif [ -e ".git" ]; then
    version="$(git describe --tags --always --dirty)"
elif [ "${dirbase:0:5}" == "m1n1-" ]; then
    version="${dirbase:5}"
    version="v${version##v}"
else
    version="unknown"
fi

echo "#define BUILD_TAG \"$version\""