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 60unset RELEASE 61unset VERSION 62 63if [ -z "${SYSDIR}" ]; then 64 SYSDIR=$(dirname $0)/.. 65fi 66 67# allow random overrides 68while : 69do 70 case "$1" in 71 *=*) eval "$1"; shift;; 72 *) break;; 73 esac 74done 75 76RELEASE="${RELEASE:-${REVISION}-${BRANCH}}" 77VERSION="${VERSION:-${TYPE} ${RELEASE}}" 78 79RELDATE=$(awk '/^#define[[:space:]]*__FreeBSD_version/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h}) 80 81if [ -r "${SYSDIR}/../COPYRIGHT" ]; then 82 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT) 83else 84 year=$(date +%Y) 85fi 86# look for copyright template 87b=share/examples/etc/bsd-style-copyright 88for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b 89do 90 if [ -r "$bsd_copyright" ]; then 91 COPYRIGHT=$(sed \ 92 -e "s/\[year\]/1992-$year/" \ 93 -e 's/\[your name here\]\.* /The FreeBSD Project./' \ 94 -e 's/\[your name\]\.*/The FreeBSD Project./' \ 95 -e '/\[id for your version control system, if any\]/d' \ 96 $bsd_copyright) 97 break 98 fi 99done 100 101# no copyright found, use a dummy 102if [ -z "$COPYRIGHT" ]; then 103 COPYRIGHT="/*- 104 * Copyright (c) 1992-$year The FreeBSD Project. 105 * 106 */" 107fi 108 109# add newline 110COPYRIGHT="$COPYRIGHT 111" 112 113# We expand include_metadata later since we may set it to the 114# future value of modified. 115include_metadata=yes 116modified=no 117while getopts crRvV: opt; do 118 case "$opt" in 119 c) 120 echo "$COPYRIGHT" 121 exit 0 122 ;; 123 r) 124 include_metadata=no 125 ;; 126 R) 127 include_metadata=if-modified 128 ;; 129 v) 130 # Only put variables that are single lines here. 131 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do 132 eval val=\$${v} 133 echo ${v}=\"${val}\" 134 done 135 exit 0 136 ;; 137 V) 138 v=$OPTARG 139 eval val=\$${v} 140 echo ${v}=\"${val}\" 141 VARS_ONLY_EXIT=1 142 ;; 143 esac 144done 145shift $((OPTIND - 1)) 146 147# VARS_ONLY means no files should be generated, this is just being 148# included. 149[ -n "$VARS_ONLY" ] && return 0 150 151# VARS_ONLY_EXIT means no files should be generated, only the value of 152# variables are being output. 153[ -n "$VARS_ONLY_EXIT" ] && exit 0 154 155# 156# findvcs dir 157# Looks up directory dir at world root and up the filesystem 158# 159findvcs() 160{ 161 local savedir 162 163 savedir=$(pwd) 164 cd ${SYSDIR}/.. 165 while [ $(pwd) != "/" ]; do 166 if [ -e "./$1" ]; then 167 VCSTOP=$(pwd) 168 VCSDIR=${VCSTOP}"/$1" 169 cd ${savedir} 170 return 0 171 fi 172 cd .. 173 done 174 cd ${savedir} 175 return 1 176} 177 178git_tree_modified() 179{ 180 ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet 181} 182 183LC_ALL=C; export LC_ALL 184if [ ! -r version ] 185then 186 echo 0 > version 187fi 188 189touch version 190v=$(cat version) 191u=${USER:-root} 192d=$(pwd) 193h=${HOSTNAME:-$(hostname)} 194if [ -n "$SOURCE_DATE_EPOCH" ]; then 195 if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then 196 echo "Invalid SOURCE_DATE_EPOCH" >&2 197 exit 1 198 fi 199else 200 t=$(date) 201fi 202i=$(${MAKE:-make} -V KERN_IDENT) 203compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version') 204 205for dir in /usr/bin /usr/local/bin; do 206 if [ ! -z "${svnversion}" ] ; then 207 break 208 fi 209 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then 210 # Run svnversion from ${dir} on this script; if return code 211 # is not zero, the checkout might not be compatible with the 212 # svnversion being used. 213 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1 214 if [ $? -eq 0 ]; then 215 svnversion=${dir}/svnversion 216 break 217 fi 218 fi 219done 220 221if findvcs .git; then 222 for dir in /usr/bin /usr/local/bin; do 223 if [ -x "${dir}/git" ] ; then 224 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}" 225 break 226 fi 227 done 228fi 229 230if findvcs .gituprevision; then 231 gituprevision="${VCSTOP}/.gituprevision" 232fi 233 234if findvcs .hg; then 235 for dir in /usr/bin /usr/local/bin; do 236 if [ -x "${dir}/hg" ] ; then 237 hg_cmd="${dir}/hg -R ${VCSDIR}" 238 break 239 fi 240 done 241fi 242 243if [ -n "$svnversion" ] ; then 244 svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null) 245 case "$svn" in 246 [0-9]*[MSP]|*:*) 247 svn=" r${svn}" 248 modified=yes 249 ;; 250 [0-9]*) 251 svn=" r${svn}" 252 ;; 253 *) 254 unset svn 255 ;; 256 esac 257fi 258 259if [ -n "$git_cmd" ] ; then 260 git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null) 261 if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then 262 git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null) 263 if [ -n "$git_cnt" ] ; then 264 git="n${git_cnt}-${git}" 265 fi 266 fi 267 git_b=$($git_cmd rev-parse --abbrev-ref HEAD) 268 if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then 269 git="${git_b}-${git}" 270 fi 271 if git_tree_modified; then 272 git="${git}-dirty" 273 modified=yes 274 fi 275 git=" ${git}" 276fi 277 278if [ -n "$gituprevision" ] ; then 279 gitup=" $(awk -F: '{print $2}' $gituprevision)" 280fi 281 282if [ -n "$hg_cmd" ] ; then 283 hg=$($hg_cmd id 2>/dev/null) 284 hgsvn=$($hg_cmd svn info 2>/dev/null | \ 285 awk -F': ' '/Revision/ { print $2 }') 286 if [ -n "$hgsvn" ] ; then 287 svn=" r${hgsvn}" 288 fi 289 if [ -n "$hg" ] ; then 290 hg=" ${hg}" 291 fi 292fi 293 294[ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes 295if [ ${include_metadata} != "yes" ]; then 296 VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}" 297 VERSTR="${VERINFO}\\n" 298else 299 VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}" 300 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n" 301fi 302 303vers_content_new=$(cat << EOF 304$COPYRIGHT 305/* 306 * The SCCS stuff is a marker that by convention identifies the kernel. While 307 * the convention originated with SCCS, the current use is more generic and is 308 * used by different organizations to identify the kernel, the crash dump, 309 * etc. The what(1) utility prints these markers. Better methods exist, so this 310 * method is deprecated and will be removed in a future version of FreeBSD. Orgs 311 * that use it are encouraged to migrate before then. 312 */ 313#define SCCSSTR "@(#)${VERINFO}" 314#define VERSTR "${VERSTR}" 315#define RELSTR "${RELEASE}" 316 317char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR; 318char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR; 319char compiler_version[] = "${compiler_v}"; 320char ostype[] = "${TYPE}"; 321char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR; 322int osreldate = ${RELDATE}; 323char kern_ident[] = "${i}"; 324EOF 325) 326vers_content_old=$(cat vers.c 2>/dev/null || true) 327if [ "$vers_content_new" != "$vers_content_old" ]; then 328 printf "%s\n" "$vers_content_new" > vers.c 329fi 330 331echo $((v + 1)) > version 332