# Assume the dir is not modified

MODIFIED="0"

if [ -d "$ROOT_DIR/.git" ]; then

	# We are a git checkout

	# Refresh the index to make sure file stat info is in sync, then look for modifications

	git update-index --refresh >/dev/null

	if [ -n "`git diff-index HEAD`" ]; then

		MODIFIED="2"

	fi

	HASH=`LC_ALL=C git rev-parse --verify HEAD 2>/dev/null`

	SHORTHASH=`echo ${HASH} | cut -c1-8`

	ISODATE=`LC_ALL=C git show -s --pretty='format:%ci' HEAD | "$AWK" '{ gsub("-", "", $1); print $1 }'`

	TAG="`git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null | sed 's@\^0$@@'`"

	if [ -n "$TAG" ]; then

		VERSION="${TAG}"

	elif [ "${BRANCH}" = "master" ]; then

		VERSION="${ISODATE}-g${SHORTHASH}"

	else

		VERSION="${ISODATE}-${BRANCH}-g${SHORTHASH}"

	fi

	if [ "$MODIFIED" -eq "2" ]; then

		VERSION="${VERSION}M"