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="14.0" 57BRANCH="CURRENT" 58if [ -n "${BRANCH_OVERRIDE}" ]; then 59 BRANCH=${BRANCH_OVERRIDE} 60fi 61RELEASE="${REVISION}-${BRANCH}" 62VERSION="${TYPE} ${RELEASE}" 63 64if [ -z "${SYSDIR}" ]; then 65 SYSDIR=$(dirname $0)/.. 66fi 67 68RELDATE=$(awk '/^\#define[[:space:]]*__FreeBSD_version/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h}) 69 70if [ -r "${SYSDIR}/../COPYRIGHT" ]; then 71 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT) 72else 73 year=$(date +%Y) 74fi 75# look for copyright template 76b=share/examples/etc/bsd-style-copyright 77for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b 78do 79 if [ -r "$bsd_copyright" ]; then 80 COPYRIGHT=$(sed \ 81 -e "s/\[year\]/1992-$year/" \ 82 -e 's/\[your name here\]\.* /The FreeBSD Project./' \ 83 -e 's/\[your name\]\.*/The FreeBSD Project./' \ 84 -e '/\[id for your version control system, if any\]/d' \ 85 $bsd_copyright) 86 break 87 fi 88done 89 90# no copyright found, use a dummy 91if [ -z "$COPYRIGHT" ]; then 92 COPYRIGHT="/*- 93 * Copyright (c) 1992-$year The FreeBSD Project. 94 * 95 */" 96fi 97 98# add newline 99COPYRIGHT="$COPYRIGHT 100" 101 102# We expand include_metadata later since we may set it to the 103# future value of modified. 104include_metadata=yes 105modified=no 106while getopts crRvV: opt; do 107 case "$opt" in 108 c) 109 echo "$COPYRIGHT" 110 exit 0 111 ;; 112 r) 113 include_metadata=no 114 ;; 115 R) 116 include_metadata=if-modified 117 ;; 118 v) 119 # Only put variables that are single lines here. 120 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do 121 eval val=\$${v} 122 echo ${v}=\"${val}\" 123 done 124 exit 0 125 ;; 126 V) 127 v=$OPTARG 128 eval val=\$${v} 129 echo ${v}=\"${val}\" 130 VARS_ONLY_EXIT=1 131 ;; 132 esac 133done 134shift $((OPTIND - 1)) 135 136# VARS_ONLY means no files should be generated, this is just being 137# included. 138[ -n "$VARS_ONLY" ] && return 0 139 140# VARS_ONLY_EXIT means no files should be generated, only the value of 141# variables are being output. 142[ -n "$VARS_ONLY_EXIT" ] && exit 0 143 144# 145# findvcs dir 146# Looks up directory dir at world root and up the filesystem 147# 148findvcs() 149{ 150 local savedir 151 152 savedir=$(pwd) 153 cd ${SYSDIR}/.. 154 while [ $(pwd) != "/" ]; do 155 if [ -e "./$1" ]; then 156 VCSTOP=$(pwd) 157 VCSDIR=${VCSTOP}"/$1" 158 cd ${savedir} 159 return 0 160 fi 161 cd .. 162 done 163 cd ${savedir} 164 return 1 165} 166 167git_tree_modified() 168{ 169 ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet 170} 171 172LC_ALL=C; export LC_ALL 173if [ ! -r version ] 174then 175 echo 0 > version 176fi 177 178touch version 179v=$(cat version) 180u=${USER:-root} 181d=$(pwd) 182h=${HOSTNAME:-$(hostname)} 183if [ -n "$SOURCE_DATE_EPOCH" ]; then 184 if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then 185 echo "Invalid SOURCE_DATE_EPOCH" >&2 186 exit 1 187 fi 188else 189 t=$(date) 190fi 191i=$(${MAKE:-make} -V KERN_IDENT) 192compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 193 194for dir in /usr/bin /usr/local/bin; do 195 if [ ! -z "${svnversion}" ] ; then 196 break 197 fi 198 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 199 # Run svnversion from ${dir} on this script; if return code 200 # is not zero, the checkout might not be compatible with the 201 # svnversion being used. 202 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 203 if [ $? -eq 0 ]; then 204 svnversion=${dir}/svnversion 205 break 206 fi 207 fi 208done 209 210if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then 211 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1 212 if [ $? -eq 0 ]; then 213 svnversion=/usr/bin/svnliteversion 214 else 215 svnversion= 216 fi 217fi 218 219if findvcs .git; then 220 for dir in /usr/bin /usr/local/bin; do 221 if [ -x "${dir}/git" ] ; then 222 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 223 break 224 fi 225 done 226fi 227 228if findvcs .gituprevision; then 229 gituprevision="${VCSTOP}/.gituprevision" 230fi 231 232if findvcs .hg; then 233 for dir in /usr/bin /usr/local/bin; do 234 if [ -x "${dir}/hg" ] ; then 235 hg_cmd="${dir}/hg -R ${VCSDIR}" 236 break 237 fi 238 done 239fi 240 241if [ -n "$svnversion" ] ; then 242 svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null) 243 case "$svn" in 244 [0-9]*[MSP]|*:*) 245 svn=" r${svn}" 246 modified=yes 247 ;; 248 [0-9]*) 249 svn=" r${svn}" 250 ;; 251 *) 252 unset svn 253 ;; 254 esac 255fi 256 257if [ -n "$git_cmd" ] ; then 258 git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null) 259 if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then 260 git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null) 261 if [ -n "$git_cnt" ] ; then 262 git="n${git_cnt}-${git}" 263 fi 264 fi 265 git_b=$($git_cmd rev-parse --abbrev-ref HEAD) 266 if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then 267 git="${git_b}-${git}" 268 fi 269 if git_tree_modified; then 270 git="${git}-dirty" 271 modified=yes 272 fi 273 git=" ${git}" 274fi 275 276if [ -n "$gituprevision" ] ; then 277 gitup=" $(awk -F: '{print $2}' $gituprevision)" 278fi 279 280if [ -n "$hg_cmd" ] ; then 281 hg=$($hg_cmd id 2>/dev/null) 282 hgsvn=$($hg_cmd svn info 2>/dev/null | \ 283 awk -F': ' '/Revision/ { print $2 }') 284 if [ -n "$hgsvn" ] ; then 285 svn=" r${hgsvn}" 286 fi 287 if [ -n "$hg" ] ; then 288 hg=" ${hg}" 289 fi 290fi 291 292[ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes 293if [ ${include_metadata} != "yes" ]; then 294 VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}" 295 VERSTR="${VERINFO}\\n" 296else 297 VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}" 298 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 299fi 300 301vers_content_new=$(cat << EOF 302$COPYRIGHT 303#define SCCSSTR "@(#)${VERINFO}" 304#define VERSTR "${VERSTR}" 305#define RELSTR "${RELEASE}" 306 307char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 308char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 309char compiler_version[] = "${compiler_v}"; 310char ostype[] = "${TYPE}"; 311char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 312int osreldate = ${RELDATE}; 313char kern_ident[] = "${i}"; 314EOF 315) 316vers_content_old=$(cat vers.c 2>/dev/null || true) 317if [ "$vers_content_new" != "$vers_content_old" ]; then 318 printf "%s\n" "$vers_content_new" > vers.c 319fi 320 321echo $((v + 1)) > version 322