freebsd-nq/sys/boot/common/newvers.sh
Ed Maste a97b71605a Build loaders reproducibly when WITH_REPRODUCIBLE_BUILD
When WITH_REPRODUCIBLE_BUILD=yes is set in src.conf(5), eliminate the
time, user, and host from the loader's version information.  This allows
builds to produce bit-for-bit identical output.

Reviewed by:	bapt
MFC after:	1 month
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8842
2016-12-19 14:45:59 +00:00

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#!/bin/sh -
#
# $FreeBSD$
# $NetBSD: newvers.sh,v 1.1 1997/07/26 01:50:38 thorpej Exp $
#
# Copyright (c) 1984, 1986, 1990, 1993
# The Regents of the University of California. All rights reserved.
#
# 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. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
#
# @(#)newvers.sh 8.1 (Berkeley) 4/20/94
tempfile=$(mktemp tmp.XXXXXX) || exit
trap "rm -f $tempfile" EXIT INT TERM
include_metadata=true
while getopts r opt; do
case "$opt" in
r)
include_metadata=
;;
esac
done
shift $((OPTIND - 1))
LC_ALL=C; export LC_ALL
u=${USER-root} h=${HOSTNAME-`hostname`} t=`date`
#r=`head -n 6 $1 | tail -n 1 | awk -F: ' { print $1 } '`
r=`awk -F: ' /^[0-9]\.[0-9]+:/ { print $1; exit }' $1`
bootprog_info="FreeBSD/${3} ${2}, Revision ${r}\\n"
if [ -n "${include_metadata}" ]; then
bootprog_info="$bootprog_info(${t} ${u}@${h})\\n"
fi
echo "char bootprog_info[] = \"$bootprog_info\";" > $tempfile
echo "unsigned bootprog_rev = ${r%%.*}${r##*.};" >> $tempfile
mv $tempfile vers.c