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 variables 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 99# We expand include_metadata later since we may set it to the 100# future value of modified. 101include_metadata=yes 102modified=no 103while getopts crRvV: opt; do 104 case "$opt" in 105 c) 106 echo "$COPYRIGHT" 107 exit 0 108 ;; 109 r) 110 include_metadata=no 111 ;; 112 R) 113 include_metadata=if-modified 114 ;; 115 v) 116 # Only put variables that are single lines here. 117 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do 118 eval val=\$${v} 119 echo ${v}=\"${val}\" 120 done 121 exit 0 122 ;; 123 V) 124 v=$OPTARG 125 eval val=\$${v} 126 echo ${v}=\"${val}\" 127 exit 0 128 ;; 129 esac 130done 131shift $((OPTIND - 1)) 132 133# VARS_ONLY means no files should be generated, this is just being 134# included. 135[ -n "$VARS_ONLY" ] && return 0 136 137# 138# findvcs dir 139# Looks up directory dir at world root and up the filesystem 140# 141findvcs() 142{ 143 local savedir 144 145 savedir=$(pwd) 146 cd ${SYSDIR}/.. 147 while [ $(pwd) != "/" ]; do 148 if [ -e "./$1" ]; then 149 VCSTOP=$(pwd) 150 VCSDIR=${VCSTOP}"/$1" 151 cd ${savedir} 152 return 0 153 fi 154 cd .. 155 done 156 cd ${savedir} 157 return 1 158} 159 160git_tree_modified() 161{ 162 # git diff-index lists both files that are known to have changes as 163 # well as those with metadata that does not match what is recorded in 164 # git's internal state. The latter case is indicated by an all-zero 165 # destination file hash. 166 167 local fifo 168 169 fifo=$(mktemp -u) 170 mkfifo -m 600 $fifo || exit 1 171 $git_cmd --work-tree=${VCSTOP} diff-index HEAD > $fifo & 172 while read smode dmode ssha dsha status file; do 173 if ! expr $dsha : '^00*$' >/dev/null; then 174 rm $fifo 175 return 0 176 fi 177 if ! $git_cmd --work-tree=${VCSTOP} diff --quiet -- "${file}"; then 178 rm $fifo 179 return 0 180 fi 181 done < $fifo 182 # No files with content differences. 183 rm $fifo 184 return 1 185} 186 187LC_ALL=C; export LC_ALL 188if [ ! -r version ] 189then 190 echo 0 > version 191fi 192 193touch version 194v=$(cat version) 195u=${USER:-root} 196d=$(pwd) 197h=${HOSTNAME:-$(hostname)} 198if [ -n "$SOURCE_DATE_EPOCH" ]; then 199 if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then 200 echo "Invalid SOURCE_DATE_EPOCH" >&2 201 exit 1 202 fi 203else 204 t=$(date) 205fi 206i=$(${MAKE:-make} -V KERN_IDENT) 207compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 208 209for dir in /usr/bin /usr/local/bin; do 210 if [ ! -z "${svnversion}" ] ; then 211 break 212 fi 213 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 214 # Run svnversion from ${dir} on this script; if return code 215 # is not zero, the checkout might not be compatible with the 216 # svnversion being used. 217 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 218 if [ $? -eq 0 ]; then 219 svnversion=${dir}/svnversion 220 break 221 fi 222 fi 223done 224 225if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then 226 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1 227 if [ $? -eq 0 ]; then 228 svnversion=/usr/bin/svnliteversion 229 else 230 svnversion= 231 fi 232fi 233 234if findvcs .git; then 235 for dir in /usr/bin /usr/local/bin; do 236 if [ -x "${dir}/git" ] ; then 237 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 238 break 239 fi 240 done 241fi 242 243if findvcs .hg; then 244 for dir in /usr/bin /usr/local/bin; do 245 if [ -x "${dir}/hg" ] ; then 246 hg_cmd="${dir}/hg -R ${VCSDIR}" 247 break 248 fi 249 done 250fi 251 252if [ -n "$svnversion" ] ; then 253 svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null) 254 case "$svn" in 255 [0-9]*[MSP]|*:*) 256 svn=" r${svn}" 257 modified=yes 258 ;; 259 [0-9]*) 260 svn=" r${svn}" 261 ;; 262 *) 263 unset svn 264 ;; 265 esac 266fi 267 268if [ -n "$git_cmd" ] ; then 269 git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null) 270 gitsvn=$($git_cmd svn find-rev $git 2>/dev/null) 271 if [ -n "$gitsvn" ] ; then 272 svn=" r${gitsvn}" 273 git="=${git}" 274 else 275# Log searches are limited to 10k commits to speed up failures. 276# We assume that if a tree is more than 10k commits out-of-sync 277# with FreeBSD, it has forked the the OS and the SVN rev no 278# longer matters. 279 gitsvn=$($git_cmd log -n 10000 | 280 grep '^ git-svn-id:' | head -1 | \ 281 sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p') 282 if [ -z "$gitsvn" ] ; then 283 gitsvn=$($git_cmd log -n 10000 --format='format:%N' | \ 284 grep '^svn ' | head -1 | \ 285 sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p') 286 fi 287 if [ -n "$gitsvn" ] ; then 288 svn=" r${gitsvn}" 289 git="+${git}" 290 else 291 git=" ${git}" 292 fi 293 fi 294 git_cnt=$($git_cmd rev-list --count HEAD 2>/dev/null) 295 if [ -n "$git_cnt" ] ; then 296 git="${git}-c${git_cnt}" 297 fi 298 git_b=$($git_cmd rev-parse --abbrev-ref HEAD) 299 if [ -n "$git_b" ] ; then 300 git="${git}(${git_b})" 301 fi 302 if git_tree_modified; then 303 git="${git}-dirty" 304 modified=yes 305 fi 306fi 307 308if [ -n "$hg_cmd" ] ; then 309 hg=$($hg_cmd id 2>/dev/null) 310 hgsvn=$($hg_cmd svn info 2>/dev/null | \ 311 awk -F': ' '/Revision/ { print $2 }') 312 if [ -n "$hgsvn" ] ; then 313 svn=" r${hgsvn}" 314 fi 315 if [ -n "$hg" ] ; then 316 hg=" ${hg}" 317 fi 318fi 319 320[ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes 321if [ ${include_metadata} != "yes" ]; then 322 VERINFO="${VERSION}${svn}${git}${hg} ${i}" 323 VERSTR="${VERINFO}\\n" 324else 325 VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}" 326 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 327fi 328 329vers_content_new=$(cat << EOF 330$COPYRIGHT 331#define SCCSSTR "@(#)${VERINFO}" 332#define VERSTR "${VERSTR}" 333#define RELSTR "${RELEASE}" 334 335char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 336char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 337char compiler_version[] = "${compiler_v}"; 338char ostype[] = "${TYPE}"; 339char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 340int osreldate = ${RELDATE}; 341char kern_ident[] = "${i}"; 342EOF 343) 344vers_content_old=$(cat vers.c 2>/dev/null || true) 345if [ "$vers_content_new" != "$vers_content_old" ]; then 346 echo "$vers_content_new" > vers.c 347fi 348 349echo $((v + 1)) > version 350