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#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
#
# gitversion - a script to generate a header with the git revision
# Copyright (C) 2018 Viktor Rosendahl <viktor.rosendahl@gmail.com>
#
# This file is dual licensed: you can use it either under the terms of
# the GPL, or the BSD license, at your option.
#
# a) 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 2 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 library; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301 USA
#
# Alternatively,
#
# b) 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.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "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 COPYRIGHT HOLDER OR
# CONTRIBUTORS 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.
#
usage()
{
echo "usage $0 --input <infile> --output <outfile>"
}
errmsg()
{
echo $1
exit 1
}
if [ $# -lt 4 ];then
usage
exit 1
fi
output_file=""
input_file=""
while [ $# -gt 1 ]
do
case $1 in
-h | --help )
usage
exit 0
;;
-i | --input )
if [ $# -lt 2 ];then
usage
exit 1
fi
input_file=$2
;;
-o | --output )
if [ $# -lt 2 ];then
usage
exit 1
fi
output_file=$2
;;
* )
usage
exit 1
;;
esac
shift 2
done
if [ "x" = "x"$input_file ];then
echo "Error empty input file name"
exit 1
fi
if [ "x" = "x"$output_file ];then
echo "Error empty output file name"
exit 1
fi
if [ ! -e $input_file ];then
echo "Input file "$input_file" does not exist"
exit 1
fi
if [ ! -f $input_file ];then
echo "Input file "$input_file" is not a regular file"
exit 1
fi
echo "x" > $output_file || errmsg "Cannot write to "$output_file
if [ "x"$(which git) != "x" ];then
GIT_REVISION=$(git rev-parse --verify --short HEAD||echo '')
if [ "x"$GIT_REVISION != "x" ];then
if [ -n "$(git diff --stat)" ]; then
GIT_VERSION="-"$GIT_REVISION"-dirty"
else
GIT_VERSION="-"$GIT_REVISION
fi
else
GIT_VERSION=""
fi
else
GIT_VERSION=""
fi
cat $input_file|sed -e "s/__INSERT_VERSION_HERE__/$GIT_VERSION/" > $output_file
exit 0
|
