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 34# Command line options: 35# 36# -c Print the copyright / license statement as a C comment and exit 37# 38# -r Reproducible build. Do not embed directory names, user names, 39# time stamps or other dynamic information into the output file. 40# This is intended to allow two builds done at different times 41# and even by different people on different hosts to produce 42# identical output. 43# 44# -R Reproducible build if the tree represents an unmodified 45# checkout from a version control system. Metadata is included 46# if the tree is modified. 47# 48# -V var Print ${var}="${val-of-var}" and exit 49# 50# -v Print TYPE REVISION BRANCH RELEASE VERSION RELDATE variables 51# like the -V command 52# 53 54TYPE="FreeBSD" 55REVISION="15.0" 56BRANCH="CURRENT" 57if [ -n "${BRANCH_OVERRIDE}" ]; then 58 BRANCH=${BRANCH_OVERRIDE} 59fi 60 61if [ -z "${SYSDIR}" ]; then 62 SYSDIR=$(dirname $0)/.. 63fi 64 65# allow random overrides 66while : 67do 68 case "$1" in 69 *=*) eval "$1"; shift;; 70 *) break;; 71 esac 72done 73 74RELEASE="${RELEASE:-${REVISION}-${BRANCH}}" 75VERSION="${VERSION:-${TYPE} ${RELEASE}}" 76 77RELDATE=$(awk '/^#define[[:space:]]*__FreeBSD_version/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h}) 78 79if [ -r "${SYSDIR}/../COPYRIGHT" ]; then 80 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT) 81else 82 year=$(date +%Y) 83fi 84# look for copyright template 85b=share/examples/etc/bsd-style-copyright 86for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b 87do 88 if [ -r "$bsd_copyright" ]; then 89 COPYRIGHT=$(sed \ 90 -e "s/\[year\]/1992-$year/" \ 91 -e 's/\[your name here\]\.* /The FreeBSD Project./' \ 92 -e 's/\[your name\]\.*/The FreeBSD Project./' \ 93 -e '/\[id for your version control system, if any\]/d' \ 94 $bsd_copyright) 95 break 96 fi 97done 98 99# no copyright found, use a dummy 100if [ -z "$COPYRIGHT" ]; then 101 COPYRIGHT="/*- 102 * Copyright (c) 1992-$year The FreeBSD Project. 103 * 104 */" 105fi 106 107# add newline 108COPYRIGHT="$COPYRIGHT 109" 110 111# We expand include_metadata later since we may set it to the 112# future value of modified. 113include_metadata=yes 114modified=no 115while getopts crRvV: opt; do 116 case "$opt" in 117 c) 118 echo "$COPYRIGHT" 119 exit 0 120 ;; 121 r) 122 include_metadata=no 123 ;; 124 R) 125 include_metadata=if-modified 126 ;; 127 v) 128 # Only put variables that are single lines here. 129 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do 130 eval val=\$${v} 131 echo ${v}=\"${val}\" 132 done 133 exit 0 134 ;; 135 V) 136 v=$OPTARG 137 eval val=\$${v} 138 echo ${v}=\"${val}\" 139 VARS_ONLY_EXIT=1 140 ;; 141 esac 142done 143shift $((OPTIND - 1)) 144 145# VARS_ONLY means no files should be generated, this is just being 146# included. 147[ -n "$VARS_ONLY" ] && return 0 148 149# VARS_ONLY_EXIT means no files should be generated, only the value of 150# variables are being output. 151[ -n "$VARS_ONLY_EXIT" ] && exit 0 152 153# 154# findvcs dir 155# Looks up directory dir at world root and up the filesystem 156# 157findvcs() 158{ 159 local savedir 160 161 savedir=$(pwd) 162 cd ${SYSDIR}/.. 163 while [ $(pwd) != "/" ]; do 164 if [ -e "./$1" ]; then 165 VCSTOP=$(pwd) 166 VCSDIR=${VCSTOP}"/$1" 167 cd ${savedir} 168 return 0 169 fi 170 cd .. 171 done 172 cd ${savedir} 173 return 1 174} 175 176git_tree_modified() 177{ 178 ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet 179} 180 181LC_ALL=C; export LC_ALL 182if [ ! -r version ] 183then 184 echo 0 > version 185fi 186 187touch version 188v=$(cat version) 189u=${USER:-root} 190d=$(pwd) 191h=${HOSTNAME:-$(hostname)} 192if [ -n "$SOURCE_DATE_EPOCH" ]; then 193 if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then 194 echo "Invalid SOURCE_DATE_EPOCH" >&2 195 exit 1 196 fi 197else 198 t=$(date) 199fi 200i=$(${MAKE:-make} -V KERN_IDENT) 201compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 202 203for dir in /usr/bin /usr/local/bin; do 204 if [ ! -z "${svnversion}" ] ; then 205 break 206 fi 207 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 208 # Run svnversion from ${dir} on this script; if return code 209 # is not zero, the checkout might not be compatible with the 210 # svnversion being used. 211 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 212 if [ $? -eq 0 ]; then 213 svnversion=${dir}/svnversion 214 break 215 fi 216 fi 217done 218 219if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then 220 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1 221 if [ $? -eq 0 ]; then 222 svnversion=/usr/bin/svnliteversion 223 else 224 svnversion= 225 fi 226fi 227 228if findvcs .git; then 229 for dir in /usr/bin /usr/local/bin; do 230 if [ -x "${dir}/git" ] ; then 231 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 232 break 233 fi 234 done 235fi 236 237if findvcs .gituprevision; then 238 gituprevision="${VCSTOP}/.gituprevision" 239fi 240 241if findvcs .hg; then 242 for dir in /usr/bin /usr/local/bin; do 243 if [ -x "${dir}/hg" ] ; then 244 hg_cmd="${dir}/hg -R ${VCSDIR}" 245 break 246 fi 247 done 248fi 249 250if [ -n "$svnversion" ] ; then 251 svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null) 252 case "$svn" in 253 [0-9]*[MSP]|*:*) 254 svn=" r${svn}" 255 modified=yes 256 ;; 257 [0-9]*) 258 svn=" r${svn}" 259 ;; 260 *) 261 unset svn 262 ;; 263 esac 264fi 265 266if [ -n "$git_cmd" ] ; then 267 git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null) 268 if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then 269 git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null) 270 if [ -n "$git_cnt" ] ; then 271 git="n${git_cnt}-${git}" 272 fi 273 fi 274 git_b=$($git_cmd rev-parse --abbrev-ref HEAD) 275 if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then 276 git="${git_b}-${git}" 277 fi 278 if git_tree_modified; then 279 git="${git}-dirty" 280 modified=yes 281 fi 282 git=" ${git}" 283fi 284 285if [ -n "$gituprevision" ] ; then 286 gitup=" $(awk -F: '{print $2}' $gituprevision)" 287fi 288 289if [ -n "$hg_cmd" ] ; then 290 hg=$($hg_cmd id 2>/dev/null) 291 hgsvn=$($hg_cmd svn info 2>/dev/null | \ 292 awk -F': ' '/Revision/ { print $2 }') 293 if [ -n "$hgsvn" ] ; then 294 svn=" r${hgsvn}" 295 fi 296 if [ -n "$hg" ] ; then 297 hg=" ${hg}" 298 fi 299fi 300 301[ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes 302if [ ${include_metadata} != "yes" ]; then 303 VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}" 304 VERSTR="${VERINFO}\\n" 305else 306 VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}" 307 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 308fi 309 310vers_content_new=$(cat << EOF 311$COPYRIGHT 312#define SCCSSTR "@(#)${VERINFO}" 313#define VERSTR "${VERSTR}" 314#define RELSTR "${RELEASE}" 315 316char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 317char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 318char compiler_version[] = "${compiler_v}"; 319char ostype[] = "${TYPE}"; 320char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 321int osreldate = ${RELDATE}; 322char kern_ident[] = "${i}"; 323EOF 324) 325vers_content_old=$(cat vers.c 2>/dev/null || true) 326if [ "$vers_content_new" != "$vers_content_old" ]; then 327 printf "%s\n" "$vers_content_new" > vers.c 328fi 329 330echo $((v + 1)) > version 331