1#!/bin/sh - 2# 3# SPDX-License-Identifier: BSD-3-Clause 4# 5# Copyright (c) 1984, 1986, 1990, 1993 6# The Regents of the University of California. All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 3. Neither the name of the University nor the names of its contributors 17# may be used to endorse or promote products derived from this software 18# without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30# SUCH DAMAGE. 31# 32# @(#)newvers.sh 8.1 (Berkeley) 4/20/94 33# $FreeBSD$ 34 35# Command line options: 36# 37# -r Reproducible build. Do not embed directory names, user 38# names, time stamps or other dynamic information into 39# the output file. This is intended to allow two builds 40# done at different times and even by different people on 41# different hosts to produce identical output. 42# 43# -R Reproducible build if the tree represents an unmodified 44# checkout from a version control system. Metadata is 45# included if the tree is modified. 46 47TYPE="FreeBSD" 48REVISION="13.0" 49BRANCH="CURRENT" 50if [ -n "${BRANCH_OVERRIDE}" ]; then 51 BRANCH=${BRANCH_OVERRIDE} 52fi 53RELEASE="${REVISION}-${BRANCH}" 54VERSION="${TYPE} ${RELEASE}" 55 56# 57# findvcs dir 58# Looks up directory dir at world root and up the filesystem 59# 60findvcs() 61{ 62 local savedir 63 64 savedir=$(pwd) 65 cd ${SYSDIR}/.. 66 while [ $(pwd) != "/" ]; do 67 if [ -e "./$1" ]; then 68 VCSTOP=$(pwd) 69 VCSDIR=${VCSTOP}"/$1" 70 cd ${savedir} 71 return 0 72 fi 73 cd .. 74 done 75 cd ${savedir} 76 return 1 77} 78 79git_tree_modified() 80{ 81 # git diff-index lists both files that are known to have changes as 82 # well as those with metadata that does not match what is recorded in 83 # git's internal state. The latter case is indicated by an all-zero 84 # destination file hash. 85 86 local fifo 87 88 fifo=$(mktemp -u) 89 mkfifo -m 600 $fifo || exit 1 90 $git_cmd --work-tree=${VCSTOP} diff-index HEAD > $fifo & 91 while read smode dmode ssha dsha status file; do 92 if ! expr $dsha : '^00*$' >/dev/null; then 93 rm $fifo 94 return 0 95 fi 96 if ! $git_cmd --work-tree=${VCSTOP} diff --quiet -- "${file}"; then 97 rm $fifo 98 return 0 99 fi 100 done < $fifo 101 # No files with content differences. 102 rm $fifo 103 return 1 104} 105 106 107if [ -z "${SYSDIR}" ]; then 108 SYSDIR=$(dirname $0)/.. 109fi 110 111if [ -n "${PARAMFILE}" ]; then 112 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \ 113 ${PARAMFILE}) 114else 115 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \ 116 ${SYSDIR}/sys/param.h) 117fi 118 119b=share/examples/etc/bsd-style-copyright 120if [ -r "${SYSDIR}/../COPYRIGHT" ]; then 121 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT) 122else 123 year=$(date +%Y) 124fi 125# look for copyright template 126for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b 127do 128 if [ -r "$bsd_copyright" ]; then 129 COPYRIGHT=`sed \ 130 -e "s/\[year\]/1992-$year/" \ 131 -e 's/\[your name here\]\.* /The FreeBSD Project./' \ 132 -e 's/\[your name\]\.*/The FreeBSD Project./' \ 133 -e '/\[id for your version control system, if any\]/d' \ 134 $bsd_copyright` 135 break 136 fi 137done 138 139# no copyright found, use a dummy 140if [ -z "$COPYRIGHT" ]; then 141 COPYRIGHT="/*- 142 * Copyright (c) 1992-$year The FreeBSD Project. 143 * All rights reserved. 144 * 145 */" 146fi 147 148# add newline 149COPYRIGHT="$COPYRIGHT 150" 151 152# VARS_ONLY means no files should be generated, this is just being 153# included. 154if [ -n "$VARS_ONLY" ]; then 155 return 0 156fi 157 158LC_ALL=C; export LC_ALL 159if [ ! -r version ] 160then 161 echo 0 > version 162fi 163 164touch version 165v=`cat version` 166u=${USER:-root} 167d=`pwd` 168h=${HOSTNAME:-`hostname`} 169if [ -n "$SOURCE_DATE_EPOCH" ]; then 170 if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then 171 echo "Invalid SOURCE_DATE_EPOCH" >&2 172 exit 1 173 fi 174else 175 t=`date` 176fi 177i=`${MAKE:-make} -V KERN_IDENT` 178compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 179 180for dir in /usr/bin /usr/local/bin; do 181 if [ ! -z "${svnversion}" ] ; then 182 break 183 fi 184 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 185 # Run svnversion from ${dir} on this script; if return code 186 # is not zero, the checkout might not be compatible with the 187 # svnversion being used. 188 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 189 if [ $? -eq 0 ]; then 190 svnversion=${dir}/svnversion 191 break 192 fi 193 fi 194done 195 196if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then 197 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1 198 if [ $? -eq 0 ]; then 199 svnversion=/usr/bin/svnliteversion 200 else 201 svnversion= 202 fi 203fi 204 205if findvcs .git; then 206 for dir in /usr/bin /usr/local/bin; do 207 if [ -x "${dir}/git" ] ; then 208 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 209 break 210 fi 211 done 212fi 213 214if findvcs .hg; then 215 for dir in /usr/bin /usr/local/bin; do 216 if [ -x "${dir}/hg" ] ; then 217 hg_cmd="${dir}/hg -R ${VCSDIR}" 218 break 219 fi 220 done 221fi 222 223if [ -n "$svnversion" ] ; then 224 svn=`cd ${SYSDIR} && $svnversion 2>/dev/null` 225 case "$svn" in 226 [0-9]*[MSP]|*:*) 227 svn=" r${svn}" 228 modified=true 229 ;; 230 [0-9]*) 231 svn=" r${svn}" 232 ;; 233 *) 234 unset svn 235 ;; 236 esac 237fi 238 239if [ -n "$git_cmd" ] ; then 240 git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null` 241 gitsvn=`$git_cmd svn find-rev $git 2>/dev/null` 242 if [ -n "$gitsvn" ] ; then 243 svn=" r${gitsvn}" 244 git="=${git}" 245 else 246# Log searches are limited to 10k commits to speed up failures. 247# We assume that if a tree is more than 10k commits out-of-sync 248# with FreeBSD, it has forked the the OS and the SVN rev no 249# longer matters. 250 gitsvn=`$git_cmd log -n 10000 | 251 grep '^ git-svn-id:' | head -1 | \ 252 sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'` 253 if [ -z "$gitsvn" ] ; then 254 gitsvn=`$git_cmd log -n 10000 --format='format:%N' | \ 255 grep '^svn ' | head -1 | \ 256 sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'` 257 fi 258 if [ -n "$gitsvn" ] ; then 259 svn=" r${gitsvn}" 260 git="+${git}" 261 else 262 git=" ${git}" 263 fi 264 fi 265 git_b=`$git_cmd rev-parse --abbrev-ref HEAD` 266 if [ -n "$git_b" ] ; then 267 git="${git}(${git_b})" 268 fi 269 if git_tree_modified; then 270 git="${git}-dirty" 271 modified=true 272 fi 273fi 274 275if [ -n "$hg_cmd" ] ; then 276 hg=`$hg_cmd id 2>/dev/null` 277 hgsvn=`$hg_cmd svn info 2>/dev/null | \ 278 awk -F': ' '/Revision/ { print $2 }'` 279 if [ -n "$hgsvn" ] ; then 280 svn=" r${hgsvn}" 281 fi 282 if [ -n "$hg" ] ; then 283 hg=" ${hg}" 284 fi 285fi 286 287include_metadata=true 288while getopts rR opt; do 289 case "$opt" in 290 r) 291 include_metadata= 292 ;; 293 R) 294 if [ -z "${modified}" ]; then 295 include_metadata= 296 fi 297 esac 298done 299shift $((OPTIND - 1)) 300 301if [ -z "${include_metadata}" ]; then 302 VERINFO="${VERSION}${svn}${git}${hg} ${i}" 303 VERSTR="${VERINFO}\\n" 304else 305 VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}" 306 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 307fi 308 309vers_content_new=$(cat << EOF 310$COPYRIGHT 311#define SCCSSTR "@(#)${VERINFO}" 312#define VERSTR "${VERSTR}" 313#define RELSTR "${RELEASE}" 314 315char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 316char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 317char compiler_version[] = "${compiler_v}"; 318char ostype[] = "${TYPE}"; 319char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 320int osreldate = ${RELDATE}; 321char kern_ident[] = "${i}"; 322EOF 323) 324vers_content_old=$(cat vers.c 2>/dev/null || true) 325if [ "$vers_content_new" != "$vers_content_old" ]; then 326 echo "$vers_content_new" > vers.c 327fi 328 329echo $((v + 1)) > version 330