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#!/bin/sh
#
# get-version
#
# Copyright © 2009 Guillem Jover <guillem@hadrons.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
if [ -f .dist-version ]; then
# Get the version from the file distributed in the tarball.
version=$(cat .dist-version)
elif [ -e .git ]; then
# Ger the version from the git repository.
version=$(git describe --tags --always --match [0-9]* 2> /dev/null)
# Check if we are on a dirty checkout.
git update-index --refresh -q >/dev/null
dirty=$(git diff-index --name-only --ignore-submodules=untracked HEAD 2>/dev/null)
if [ -n "$dirty" ]; then
version="$version-dirty"
fi
else
version=$(date +%F)
fi
# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
printf "$version"
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