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# Command line options: 33# 34# -c Print the copyright / license statement as a C comment and exit 35# 36# -r Reproducible build. Do not embed directory names, user names, 37# time stamps or other dynamic information into the output file. 38# This is intended to allow two builds done at different times 39# and even by different people on different hosts to produce 40# identical output. 41# 42# -R Reproducible build if the tree represents an unmodified 43# checkout from a version control system. Metadata is included 44# if the tree is modified. 45# 46# -V var Print ${var}="${val-of-var}" and exit 47# 48# -v Print TYPE REVISION BRANCH RELEASE VERSION RELDATE variables 49# like the -V command 50# 51 52TYPE="FreeBSD" 53REVISION="15.0" 54BRANCH="CURRENT" 55if [ -n "${BRANCH_OVERRIDE}" ]; then 56 BRANCH=${BRANCH_OVERRIDE} 57fi 58unset RELEASE 59unset VERSION 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 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$COPYRIGHT 303/* 304 * The SCCS stuff is a marker that by convention identifies the kernel. While 305 * the convention originated with SCCS, the current use is more generic and is 306 * used by different organizations to identify the kernel, the crash dump, 307 * etc. The what(1) utility prints these markers. Better methods exist, so this 308 * method is deprecated and will be removed in a future version of FreeBSD. Orgs 309 * that use it are encouraged to migrate before then. 310 */ 311#define SCCSSTR "@(#)${VERINFO}" 312#define VERSTR "${VERSTR}" 313#define RELSTR "${RELEASE}" 314 315const char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 316const char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 317const char compiler_version[] = "${compiler_v}"; 318const char ostype[] = "${TYPE}"; 319const char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 320const int osreldate = ${RELDATE}; 321const char kern_ident[] = "${i}"; 322EOF 323) 324vers_content_old=$(cat vers.c 2>/dev/null || true) 325if [ "$vers_content_new" != "$vers_content_old" ]; then 326 printf "%s\n" "$vers_content_new" > vers.c 327fi 328 329echo $((v + 1)) > version 330