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#!/bin/sh
#
# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
#
# This file is part of WeeChat, the extensible chat client.
#
# WeeChat is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# WeeChat is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
#
#
# Updates git version in config-git.h if the output of "git describe" has changed.
#
# Syntax:
# git-version.sh <rootdir> <version> <headerfile>
#
# rootdir : root directory with WeeChat files (to search .git/ directory)
# version : WeeChat version, for example 0.3.9 or 0.4.0-dev
# headerfile: file to update, for example config-git.h
#
if [ $# -lt 3 ]; then
echo "Syntax: $0 <rootdir> <version> <headerfile>"
exit 1
fi
ROOTDIR=$1
VERSION=$2
HEADERFILE=$3
# debug:
#echo "pwd=$PWD, rootdir=$ROOTDIR, version=$VERSION, headerfile=$HEADERFILE"
# read git version if we are in a devel/rc version and if we are in a repository
GIT_VERSION=""
case ${VERSION} in
*-*)
# devel/rc version (like 0.4.0-dev or 0.4.0-rc1)
if [ -d "${ROOTDIR}/.git" ]; then
GIT_VERSION=$(cd "${ROOTDIR}" && git describe 2>/dev/null)
fi
;;
*)
# stable version => no git version
;;
esac
# check if git version has changed
if [ ! -f "${HEADERFILE}" ]; then
# header does not exist => create it
echo "Creating file ${HEADERFILE} with git version: \"${GIT_VERSION}\""
echo "#define PACKAGE_VERSION_GIT \"${GIT_VERSION}\"" >"${HEADERFILE}"
else
if grep -q "#define PACKAGE_VERSION_GIT \"${GIT_VERSION}\"" "${HEADERFILE}"; then
# git version matches the file => NO update
echo "File ${HEADERFILE} is up-to-date (git version: \"${GIT_VERSION}\")"
else
# git version not found in file => update file with this git version
echo "Updating file ${HEADERFILE} with git version: \"${GIT_VERSION}\""
sed "s/#define PACKAGE_VERSION_GIT \".*\"/#define PACKAGE_VERSION_GIT \"${GIT_VERSION}\"/" "${HEADERFILE}" >"${HEADERFILE}.tmp"
mv -f "${HEADERFILE}.tmp" "${HEADERFILE}"
fi
fi
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