sys/conf/newvers.sh

   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 #     -r               Reproducible build.  Do not embed directory names, user
  38 #                      names, time stamps or other dynamic information into
  39 #                      the output file.  This is intended to allow two builds
  40 #                      done at different times and even by different people on
  41 #                      different hosts to produce identical output.
  42 #
  43 #     -R               Reproducible build if the tree represents an unmodified
  44 #                      checkout from a version control system.  Metadata is
  45 #                      included if the tree is modified.
  46
  47 TYPE="FreeBSD"
  48 REVISION="13.0"
  49 BRANCH="CURRENT"
  50 if [ -n "${BRANCH_OVERRIDE}" ]; then
  51         BRANCH=${BRANCH_OVERRIDE}
  52 fi
  53 RELEASE="${REVISION}-${BRANCH}"
  54 VERSION="${TYPE} ${RELEASE}"
  55
  56 #
  57 # findvcs dir
  58 #       Looks up directory dir at world root and up the filesystem
  59 #
  60 findvcs()
  61 {
  62         local savedir
  63
  64         savedir=$(pwd)
  65         cd ${SYSDIR}/..
  66         while [ $(pwd) != "/" ]; do
  67                 if [ -e "./$1" ]; then
  68                         VCSTOP=$(pwd)
  69                         VCSDIR=${VCSTOP}"/$1"
  70                         cd ${savedir}
  71                         return 0
  72                 fi
  73                 cd ..
  74         done
  75         cd ${savedir}
  76         return 1
  77 }
  78
  79 git_tree_modified()
  80 {
  81         # git diff-index lists both files that are known to have changes as
  82         # well as those with metadata that does not match what is recorded in
  83         # git's internal state.  The latter case is indicated by an all-zero
  84         # destination file hash.
  85
  86         local fifo
  87
  88         fifo=$(mktemp -u)
  89         mkfifo -m 600 $fifo || exit 1
  90         $git_cmd --work-tree=${VCSTOP} diff-index HEAD > $fifo &
  91         while read smode dmode ssha dsha status file; do
  92                 if ! expr $dsha : '^00*$' >/dev/null; then
  93                         rm $fifo
  94                         return 0
  95                 fi
  96                 if ! $git_cmd --work-tree=${VCSTOP} diff --quiet -- "${file}"; then
  97                         rm $fifo
  98                         return 0
  99                 fi
 100         done < $fifo
 101         # No files with content differences.
 102         rm $fifo
 103         return 1
 104 }
 105
 106
 107 if [ -z "${SYSDIR}" ]; then
 108     SYSDIR=$(dirname $0)/..
 109 fi
 110
 111 if [ -n "${PARAMFILE}" ]; then
 112         RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
 113                 ${PARAMFILE})
 114 else
 115         RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
 116                 ${SYSDIR}/sys/param.h)
 117 fi
 118
 119 b=share/examples/etc/bsd-style-copyright
 120 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
 121         year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
 122 else
 123         year=$(date +%Y)
 124 fi
 125 # look for copyright template
 126 for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
 127 do
 128         if [ -r "$bsd_copyright" ]; then
 129                 COPYRIGHT=`sed \
 130                     -e "s/\[year\]/1992-$year/" \
 131                     -e 's/\[your name here\]\.* /The FreeBSD Project./' \
 132                     -e 's/\[your name\]\.*/The FreeBSD Project./' \
 133                     -e '/\[id for your version control system, if any\]/d' \
 134                     $bsd_copyright`
 135                 break
 136         fi
 137 done
 138
 139 # no copyright found, use a dummy
 140 if [ -z "$COPYRIGHT" ]; then
 141         COPYRIGHT="/*-
 142  * Copyright (c) 1992-$year The FreeBSD Project.
 143  * All rights reserved.
 144  *
 145  */"
 146 fi
 147
 148 # add newline
 149 COPYRIGHT="$COPYRIGHT
 150 "
 151
 152 # VARS_ONLY means no files should be generated, this is just being
 153 # included.
 154 if [ -n "$VARS_ONLY" ]; then
 155         return 0
 156 fi
 157
 158 LC_ALL=C; export LC_ALL
 159 if [ ! -r version ]
 160 then
 161         echo 0 > version
 162 fi
 163
 164 touch version
 165 v=`cat version`
 166 u=${USER:-root}
 167 d=`pwd`
 168 h=${HOSTNAME:-`hostname`}
 169 if [ -n "$SOURCE_DATE_EPOCH" ]; then
 170         if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
 171                 echo "Invalid SOURCE_DATE_EPOCH" >&2
 172                 exit 1
 173         fi
 174 else
 175         t=`date`
 176 fi
 177 i=`${MAKE:-make} -V KERN_IDENT`
 178 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
 179
 180 for dir in /usr/bin /usr/local/bin; do
 181         if [ ! -z "${svnversion}" ] ; then
 182                 break
 183         fi
 184         if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
 185                 # Run svnversion from ${dir} on this script; if return code
 186                 # is not zero, the checkout might not be compatible with the
 187                 # svnversion being used.
 188                 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
 189                 if [ $? -eq 0 ]; then
 190                         svnversion=${dir}/svnversion
 191                         break
 192                 fi
 193         fi
 194 done
 195
 196 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
 197         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
 198         if [ $? -eq 0 ]; then
 199                 svnversion=/usr/bin/svnliteversion
 200         else
 201                 svnversion=
 202         fi
 203 fi
 204
 205 if findvcs .git; then
 206         for dir in /usr/bin /usr/local/bin; do
 207                 if [ -x "${dir}/git" ] ; then
 208                         git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
 209                         break
 210                 fi
 211         done
 212 fi
 213
 214 if findvcs .hg; then
 215         for dir in /usr/bin /usr/local/bin; do
 216                 if [ -x "${dir}/hg" ] ; then
 217                         hg_cmd="${dir}/hg -R ${VCSDIR}"
 218                         break
 219                 fi
 220         done
 221 fi
 222
 223 if [ -n "$svnversion" ] ; then
 224         svn=`cd ${SYSDIR} && $svnversion 2>/dev/null`
 225         case "$svn" in
 226         [0-9]*[MSP]|*:*)
 227                 svn=" r${svn}"
 228                 modified=true
 229                 ;;
 230         [0-9]*)
 231                 svn=" r${svn}"
 232                 ;;
 233         *)
 234                 unset svn
 235                 ;;
 236         esac
 237 fi
 238
 239 if [ -n "$git_cmd" ] ; then
 240         git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null`
 241         gitsvn=`$git_cmd svn find-rev $git 2>/dev/null`
 242         if [ -n "$gitsvn" ] ; then
 243                 svn=" r${gitsvn}"
 244                 git="=${git}"
 245         else
 246 #               Log searches are limited to 10k commits to speed up failures.
 247 #               We assume that if a tree is more than 10k commits out-of-sync
 248 #               with FreeBSD, it has forked the the OS and the SVN rev no
 249 #               longer matters.
 250                 gitsvn=`$git_cmd log -n 10000 |
 251                     grep '^    git-svn-id:' | head -1 | \
 252                     sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
 253                 if [ -z "$gitsvn" ] ; then
 254                         gitsvn=`$git_cmd log -n 10000 --format='format:%N' | \
 255                              grep '^svn ' | head -1 | \
 256                              sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'`
 257                 fi
 258                 if [ -n "$gitsvn" ] ; then
 259                         svn=" r${gitsvn}"
 260                         git="+${git}"
 261                 else
 262                         git=" ${git}"
 263                 fi
 264         fi
 265         git_b=`$git_cmd rev-parse --abbrev-ref HEAD`
 266         if [ -n "$git_b" ] ; then
 267                 git="${git}(${git_b})"
 268         fi
 269         if git_tree_modified; then
 270                 git="${git}-dirty"
 271                 modified=true
 272         fi
 273 fi
 274
 275 if [ -n "$hg_cmd" ] ; then
 276         hg=`$hg_cmd id 2>/dev/null`
 277         hgsvn=`$hg_cmd svn info 2>/dev/null | \
 278                 awk -F': ' '/Revision/ { print $2 }'`
 279         if [ -n "$hgsvn" ] ; then
 280                 svn=" r${hgsvn}"
 281         fi
 282         if [ -n "$hg" ] ; then
 283                 hg=" ${hg}"
 284         fi
 285 fi
 286
 287 include_metadata=true
 288 while getopts rR opt; do
 289         case "$opt" in
 290         r)
 291                 include_metadata=
 292                 ;;
 293         R)
 294                 if [ -z "${modified}" ]; then
 295                         include_metadata=
 296                 fi
 297         esac
 298 done
 299 shift $((OPTIND - 1))
 300
 301 if [ -z "${include_metadata}" ]; then
 302         VERINFO="${VERSION}${svn}${git}${hg} ${i}"
 303         VERSTR="${VERINFO}\\n"
 304 else
 305         VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}"
 306         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
 307 fi
 308
 309 vers_content_new=$(cat << EOF
 310 $COPYRIGHT
 311 #define SCCSSTR "@(#)${VERINFO}"
 312 #define VERSTR "${VERSTR}"
 313 #define RELSTR "${RELEASE}"
 314
 315 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
 316 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
 317 char compiler_version[] = "${compiler_v}";
 318 char ostype[] = "${TYPE}";
 319 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
 320 int osreldate = ${RELDATE};
 321 char kern_ident[] = "${i}";
 322 EOF
 323 )
 324 vers_content_old=$(cat vers.c 2>/dev/null || true)
 325 if [ "$vers_content_new" != "$vers_content_old" ]; then
 326         echo "$vers_content_new" > vers.c
 327 fi
 328
 329 echo $((v + 1)) > version