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# -c Print the copyright / license statement as a C comment and exit 38# 39# -r Reproducible build. Do not embed directory names, user names, 40# time stamps or other dynamic information into the output file. 41# This is intended to allow two builds done at different times 42# and even by different people on different hosts to produce 43# identical output. 44# 45# -R Reproducible build if the tree represents an unmodified 46# checkout from a version control system. Metadata is included 47# if the tree is modified. 48# 49# -V var Print ${var}="${val-of-var}" and exit 50# 51# -v Print TYPE REVISION BRANCH RELEASE VERSION RELDATE variabkes 52# like the -V command 53# 54 55TYPE="FreeBSD" 56REVISION="13.0" 57BRANCH=${BRANCH_OVERRIDE:-CURRENT} 58RELEASE="${REVISION}-${BRANCH}" 59VERSION="${TYPE} ${RELEASE}" 60 61if [ -z "${SYSDIR}" ]; then 62 SYSDIR=$(dirname $0)/.. 63fi 64 65RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h}) 66 67if [ -r "${SYSDIR}/../COPYRIGHT" ]; then 68 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT) 69else 70 year=$(date +%Y) 71fi 72# look for copyright template 73b=share/examples/etc/bsd-style-copyright 74for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b 75do 76 if [ -r "$bsd_copyright" ]; then 77 COPYRIGHT=$(sed \ 78 -e "s/\[year\]/1992-$year/" \ 79 -e 's/\[your name here\]\.* /The FreeBSD Project./' \ 80 -e 's/\[your name\]\.*/The FreeBSD Project./' \ 81 -e '/\[id for your version control system, if any\]/d' \ 82 $bsd_copyright) 83 break 84 fi 85done 86 87# no copyright found, use a dummy 88if [ -z "$COPYRIGHT" ]; then 89 COPYRIGHT="/*- 90 * Copyright (c) 1992-$year The FreeBSD Project. 91 * 92 */" 93fi 94 95# add newline 96COPYRIGHT="$COPYRIGHT 97" 98 99include_metadata=true 100while getopts crRvV: opt; do 101 case "$opt" in 102 c) 103 echo "$COPYRIGHT" 104 exit 0 105 ;; 106 r) 107 include_metadata= 108 ;; 109 R) 110 if [ -z "${modified}" ]; then 111 include_metadata= 112 fi 113 ;; 114 v) 115 # Only put variables that are single lines here. 116 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do 117 eval val=\$${v} 118 echo ${v}=\"${val}\" 119 done 120 exit 0 121 ;; 122 V) 123 v=$OPTARG 124 eval val=\$${v} 125 echo ${v}=\"${val}\" 126 exit 0 127 ;; 128 esac 129done 130shift $((OPTIND - 1)) 131 132# VARS_ONLY means no files should be generated, this is just being 133# included. 134[ -n "$VARS_ONLY" ] && return 0 135 136# 137# findvcs dir 138# Looks up directory dir at world root and up the filesystem 139# 140findvcs() 141{ 142 local savedir 143 144 savedir=$(pwd) 145 cd ${SYSDIR}/.. 146 while [ $(pwd) != "/" ]; do 147 if [ -e "./$1" ]; then 148 VCSTOP=$(pwd) 149 VCSDIR=${VCSTOP}"/$1" 150 cd ${savedir} 151 return 0 152 fi 153 cd .. 154 done 155 cd ${savedir} 156 return 1 157} 158 159git_tree_modified() 160{ 161 # git diff-index lists both files that are known to have changes as 162 # well as those with metadata that does not match what is recorded in 163 # git's internal state. The latter case is indicated by an all-zero 164 # destination file hash. 165 166 local fifo 167 168 fifo=$(mktemp -u) 169 mkfifo -m 600 $fifo || exit 1 170 $git_cmd --work-tree=${VCSTOP} diff-index HEAD > $fifo & 171 while read smode dmode ssha dsha status file; do 172 if ! expr $dsha : '^00*$' >/dev/null; then 173 rm $fifo 174 return 0 175 fi 176 if ! $git_cmd --work-tree=${VCSTOP} diff --quiet -- "${file}"; then 177 rm $fifo 178 return 0 179 fi 180 done < $fifo 181 # No files with content differences. 182 rm $fifo 183 return 1 184} 185 186LC_ALL=C; export LC_ALL 187if [ ! -r version ] 188then 189 echo 0 > version 190fi 191 192touch version 193v=$(cat version) 194u=${USER:-root} 195d=$(pwd) 196h=${HOSTNAME:-$(hostname)} 197if [ -n "$SOURCE_DATE_EPOCH" ]; then 198 if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then 199 echo "Invalid SOURCE_DATE_EPOCH" >&2 200 exit 1 201 fi 202else 203 t=$(date) 204fi 205i=$(${MAKE:-make} -V KERN_IDENT) 206compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 207 208for dir in /usr/bin /usr/local/bin; do 209 if [ ! -z "${svnversion}" ] ; then 210 break 211 fi 212 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 213 # Run svnversion from ${dir} on this script; if return code 214 # is not zero, the checkout might not be compatible with the 215 # svnversion being used. 216 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 217 if [ $? -eq 0 ]; then 218 svnversion=${dir}/svnversion 219 break 220 fi 221 fi 222done 223 224if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then 225 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1 226 if [ $? -eq 0 ]; then 227 svnversion=/usr/bin/svnliteversion 228 else 229 svnversion= 230 fi 231fi 232 233if findvcs .git; then 234 for dir in /usr/bin /usr/local/bin; do 235 if [ -x "${dir}/git" ] ; then 236 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 237 break 238 fi 239 done 240fi 241 242if findvcs .hg; then 243 for dir in /usr/bin /usr/local/bin; do 244 if [ -x "${dir}/hg" ] ; then 245 hg_cmd="${dir}/hg -R ${VCSDIR}" 246 break 247 fi 248 done 249fi 250 251if [ -n "$svnversion" ] ; then 252 svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null) 253 case "$svn" in 254 [0-9]*[MSP]|*:*) 255 svn=" r${svn}" 256 modified=true 257 ;; 258 [0-9]*) 259 svn=" r${svn}" 260 ;; 261 *) 262 unset svn 263 ;; 264 esac 265fi 266 267if [ -n "$git_cmd" ] ; then 268 git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null) 269 gitsvn=$($git_cmd svn find-rev $git 2>/dev/null) 270 if [ -n "$gitsvn" ] ; then 271 svn=" r${gitsvn}" 272 git="=${git}" 273 else 274# Log searches are limited to 10k commits to speed up failures. 275# We assume that if a tree is more than 10k commits out-of-sync 276# with FreeBSD, it has forked the the OS and the SVN rev no 277# longer matters. 278 gitsvn=$($git_cmd log -n 10000 | 279 grep '^ git-svn-id:' | head -1 | \ 280 sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p') 281 if [ -z "$gitsvn" ] ; then 282 gitsvn=$($git_cmd log -n 10000 --format='format:%N' | \ 283 grep '^svn ' | head -1 | \ 284 sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p') 285 fi 286 if [ -n "$gitsvn" ] ; then 287 svn=" r${gitsvn}" 288 git="+${git}" 289 else 290 git=" ${git}" 291 fi 292 fi 293 git_b=$($git_cmd rev-parse --abbrev-ref HEAD) 294 if [ -n "$git_b" ] ; then 295 git="${git}(${git_b})" 296 fi 297 if git_tree_modified; then 298 git="${git}-dirty" 299 modified=true 300 fi 301fi 302 303if [ -n "$hg_cmd" ] ; then 304 hg=$($hg_cmd id 2>/dev/null) 305 hgsvn=$($hg_cmd svn info 2>/dev/null | \ 306 awk -F': ' '/Revision/ { print $2 }') 307 if [ -n "$hgsvn" ] ; then 308 svn=" r${hgsvn}" 309 fi 310 if [ -n "$hg" ] ; then 311 hg=" ${hg}" 312 fi 313fi 314 315if [ -z "${include_metadata}" ]; then 316 VERINFO="${VERSION}${svn}${git}${hg} ${i}" 317 VERSTR="${VERINFO}\\n" 318else 319 VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}" 320 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 321fi 322 323vers_content_new=$(cat << EOF 324$COPYRIGHT 325#define SCCSSTR "@(#)${VERINFO}" 326#define VERSTR "${VERSTR}" 327#define RELSTR "${RELEASE}" 328 329char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 330char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 331char compiler_version[] = "${compiler_v}"; 332char ostype[] = "${TYPE}"; 333char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 334int osreldate = ${RELDATE}; 335char kern_ident[] = "${i}"; 336EOF 337) 338vers_content_old=$(cat vers.c 2>/dev/null || true) 339if [ "$vers_content_new" != "$vers_content_old" ]; then 340 echo "$vers_content_new" > vers.c 341fi 342 343echo $((v + 1)) > version 344