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easejs/tools/vergen

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#!/bin/sh
# Generates version string
#
# Copyright (C) 2014 Free Software Foundation, Inc.
#
# This file is part of GNU ease.js.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
##
# for distributions
if [ -s version ]; then
cat version
exit
fi
git rev-parse --show-toplevel >/dev/null 2>&1 || {
echo 'fatal: git repository is not available'
}
version="$( git describe --match='[0-9]\.*' --abbrev=7 HEAD 2>/dev/null )"
git update-index -q --refresh
test -z "$( git diff-index --name-only HEAD)" || version="$version-dirty"
echo -n "$version"