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#!/bin/sh
DIRECTORY=$(basename "$(dirname "$(readlink -mn "$0")")")
VERFILE="version"
DEF_VER="$DIRECTORY"
TAG_PREFIX="xf86-input-wacom-"
LF='
'
UPDATE=0
FORCE=0
for ARG in "$@"; do
if test "${ARG}" = "-u"; then UPDATE=1;
elif test "${ARG}" = "-f"; then UPDATE=1; FORCE=1;
fi
done
# First see if we're in a git directory and try git-describe, then
# try the $VERFILE file if present (included in release tarballs),
# and finally the default.
if test -d "${GIT_DIR:-.git}" -o -f .git &&
VN=$(git describe --match "${TAG_PREFIX}*" --abbrev=7 HEAD 2>/dev/null) &&
case "${VN}" in
*${LF}*) (exit 1) ;;
${TAG_PREFIX}*)
git update-index -q --refresh
test -z "$(git diff-index --name-only HEAD --)" ||
VN="${VN}-dirty" ;;
esac
then
VN=$(echo "${VN}" | sed -e "s/${TAG_PREFIX}//");
VN=$(echo "${VN}" | sed -e 's/-/./g');
elif test -f "${VERFILE}"
then
VN=$(cat ${VERFILE}) || VN="$DEF_VER"
else
VN="${DEF_VER}"
fi
VN=$(expr "${VN}" : v*'\(.*\)')
echo ${VN}
if test "${UPDATE}" -ne 0; then
SAVED_VERSION=""
if test -f "${VERFILE}"; then
SAVED_VERSION=$(cat "${VERFILE}")
fi
if test "${SAVED_VERSION}" != "${VN}"; then
FORCE=1
fi
if test "${FORCE}" -ne 0; then
echo "${VN}" > "${VERFILE}"
fi
fi
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