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 #       -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
  55 TYPE="FreeBSD"
  56 REVISION="13.0"
  57 BRANCH="CURRENT"
  58 if [ -n "${BRANCH_OVERRIDE}" ]; then
  59         BRANCH=${BRANCH_OVERRIDE}
  60 fi
  61 RELEASE="${REVISION}-${BRANCH}"
  62 VERSION="${TYPE} ${RELEASE}"
  63
  64 if [ -z "${SYSDIR}" ]; then
  65     SYSDIR=$(dirname $0)/..
  66 fi
  67
  68 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h})
  69
  70 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
  71         year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
  72 else
  73         year=$(date +%Y)
  74 fi
  75 # look for copyright template
  76 b=share/examples/etc/bsd-style-copyright
  77 for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
  78 do
  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                     $bsd_copyright)
  86                 break
  87         fi
  88 done
  89
  90 # no copyright found, use a dummy
  91 if [ -z "$COPYRIGHT" ]; then
  92         COPYRIGHT="/*-
  93  * Copyright (c) 1992-$year The FreeBSD Project.
  94  *
  95  */"
  96 fi
  97
  98 # add newline
  99 COPYRIGHT="$COPYRIGHT
 100 "
 101
 102 # We expand include_metadata later since we may set it to the
 103 # future value of modified.
 104 include_metadata=yes
 105 modified=no
 106 while 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                 exit 0
 131                 ;;
 132         esac
 133 done
 134 shift $((OPTIND - 1))
 135
 136 # VARS_ONLY means no files should be generated, this is just being
 137 # included.
 138 [ -n "$VARS_ONLY" ] && return 0
 139
 140 #
 141 # findvcs dir
 142 #       Looks up directory dir at world root and up the filesystem
 143 #
 144 findvcs()
 145 {
 146         local savedir
 147
 148         savedir=$(pwd)
 149         cd ${SYSDIR}/..
 150         while [ $(pwd) != "/" ]; do
 151                 if [ -e "./$1" ]; then
 152                         VCSTOP=$(pwd)
 153                         VCSDIR=${VCSTOP}"/$1"
 154                         cd ${savedir}
 155                         return 0
 156                 fi
 157                 cd ..
 158         done
 159         cd ${savedir}
 160         return 1
 161 }
 162
 163 git_tree_modified()
 164 {
 165         $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet
 166 }
 167
 168 LC_ALL=C; export LC_ALL
 169 if [ ! -r version ]
 170 then
 171         echo 0 > version
 172 fi
 173
 174 touch version
 175 v=$(cat version)
 176 u=${USER:-root}
 177 d=$(pwd)
 178 h=${HOSTNAME:-$(hostname)}
 179 if [ -n "$SOURCE_DATE_EPOCH" ]; then
 180         if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then
 181                 echo "Invalid SOURCE_DATE_EPOCH" >&2
 182                 exit 1
 183         fi
 184 else
 185         t=$(date)
 186 fi
 187 i=$(${MAKE:-make} -V KERN_IDENT)
 188 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
 189
 190 for dir in /usr/bin /usr/local/bin; do
 191         if [ ! -z "${svnversion}" ] ; then
 192                 break
 193         fi
 194         if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
 195                 # Run svnversion from ${dir} on this script; if return code
 196                 # is not zero, the checkout might not be compatible with the
 197                 # svnversion being used.
 198                 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
 199                 if [ $? -eq 0 ]; then
 200                         svnversion=${dir}/svnversion
 201                         break
 202                 fi
 203         fi
 204 done
 205
 206 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
 207         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
 208         if [ $? -eq 0 ]; then
 209                 svnversion=/usr/bin/svnliteversion
 210         else
 211                 svnversion=
 212         fi
 213 fi
 214
 215 if findvcs .git; then
 216         for dir in /usr/bin /usr/local/bin; do
 217                 if [ -x "${dir}/git" ] ; then
 218                         git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
 219                         break
 220                 fi
 221         done
 222 fi
 223
 224 if findvcs .hg; then
 225         for dir in /usr/bin /usr/local/bin; do
 226                 if [ -x "${dir}/hg" ] ; then
 227                         hg_cmd="${dir}/hg -R ${VCSDIR}"
 228                         break
 229                 fi
 230         done
 231 fi
 232
 233 if [ -n "$svnversion" ] ; then
 234         svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null)
 235         case "$svn" in
 236         [0-9]*[MSP]|*:*)
 237                 svn=" r${svn}"
 238                 modified=yes
 239                 ;;
 240         [0-9]*)
 241                 svn=" r${svn}"
 242                 ;;
 243         *)
 244                 unset svn
 245                 ;;
 246         esac
 247 fi
 248
 249 if [ -n "$git_cmd" ] ; then
 250         git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null)
 251         gitsvn=$($git_cmd svn find-rev $git 2>/dev/null)
 252         if [ -n "$gitsvn" ] ; then
 253                 svn=" r${gitsvn}"
 254                 git="=${git}"
 255         else
 256 #               Log searches are limited to 10k commits to speed up failures.
 257 #               We assume that if a tree is more than 10k commits out-of-sync
 258 #               with FreeBSD, it has forked the the OS and the SVN rev no
 259 #               longer matters.
 260                 gitsvn=$($git_cmd log -n 10000 |
 261                     grep '^    git-svn-id:' | head -1 | \
 262                     sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p')
 263                 if [ -z "$gitsvn" ] ; then
 264                         gitsvn=$($git_cmd log -n 10000 --format='format:%N' | \
 265                              grep '^svn ' | head -1 | \
 266                              sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p')
 267                 fi
 268                 if [ -n "$gitsvn" ] ; then
 269                         svn=" r${gitsvn}"
 270                         git="+${git}"
 271                 else
 272                         git=" ${git}"
 273                 fi
 274         fi
 275         git_cnt=$($git_cmd rev-list --count HEAD 2>/dev/null)
 276         if [ -n "$git_cnt" ] ; then
 277                 git="${git}-c${git_cnt}"
 278         fi
 279         git_b=$($git_cmd rev-parse --abbrev-ref HEAD)
 280         if [ -n "$git_b" ] ; then
 281                 git="${git}(${git_b})"
 282         fi
 283         if git_tree_modified; then
 284                 git="${git}-dirty"
 285                 modified=yes
 286         fi
 287 fi
 288
 289 if [ -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
 299 fi
 300
 301 [ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes
 302 if [ ${include_metadata} != "yes" ]; then
 303         VERINFO="${VERSION}${svn}${git}${hg} ${i}"
 304         VERSTR="${VERINFO}\\n"
 305 else
 306         VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}"
 307         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
 308 fi
 309
 310 vers_content_new=$(cat << EOF
 311 $COPYRIGHT
 312 #define SCCSSTR "@(#)${VERINFO}"
 313 #define VERSTR "${VERSTR}"
 314 #define RELSTR "${RELEASE}"
 315
 316 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
 317 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
 318 char compiler_version[] = "${compiler_v}";
 319 char ostype[] = "${TYPE}";
 320 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
 321 int osreldate = ${RELDATE};
 322 char kern_ident[] = "${i}";
 323 EOF
 324 )
 325 vers_content_old=$(cat vers.c 2>/dev/null || true)
 326 if [ "$vers_content_new" != "$vers_content_old" ]; then
 327         printf "%s" "$vers_content_new" > vers.c
 328 fi
 329
 330 echo $((v + 1)) > version