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
  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
  54 TYPE="FreeBSD"
  55 REVISION="15.0"
  56 BRANCH="CURRENT"
  57 if [ -n "${BRANCH_OVERRIDE}" ]; then
  58         BRANCH=${BRANCH_OVERRIDE}
  59 fi
  60 unset RELEASE
  61 unset VERSION
  62
  63 if [ -z "${SYSDIR}" ]; then
  64         SYSDIR=$(dirname $0)/..
  65 fi
  66
  67 # allow random overrides
  68 while :
  69 do
  70         case "$1" in
  71         *=*) eval "$1"; shift;;
  72         *) break;;
  73         esac
  74 done
  75
  76 RELEASE="${RELEASE:-${REVISION}-${BRANCH}}"
  77 VERSION="${VERSION:-${TYPE} ${RELEASE}}"
  78
  79 RELDATE=$(awk '/^#define[[:space:]]*__FreeBSD_version/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h})
  80
  81 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
  82         year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
  83 else
  84         year=$(date +%Y)
  85 fi
  86 # look for copyright template
  87 b=share/examples/etc/bsd-style-copyright
  88 for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
  89 do
  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                     $bsd_copyright)
  97                 break
  98         fi
  99 done
 100
 101 # no copyright found, use a dummy
 102 if [ -z "$COPYRIGHT" ]; then
 103         COPYRIGHT="/*-
 104  * Copyright (c) 1992-$year The FreeBSD Project.
 105  *
 106  */"
 107 fi
 108
 109 # add newline
 110 COPYRIGHT="$COPYRIGHT
 111 "
 112
 113 # We expand include_metadata later since we may set it to the
 114 # future value of modified.
 115 include_metadata=yes
 116 modified=no
 117 while 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
 144 done
 145 shift $((OPTIND - 1))
 146
 147 # VARS_ONLY means no files should be generated, this is just being
 148 # included.
 149 [ -n "$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 "$VARS_ONLY_EXIT" ] && exit 0
 154
 155 #
 156 # findvcs dir
 157 #       Looks up directory dir at world root and up the filesystem
 158 #
 159 findvcs()
 160 {
 161         local savedir
 162
 163         savedir=$(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
 178 git_tree_modified()
 179 {
 180         ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet
 181 }
 182
 183 LC_ALL=C; export LC_ALL
 184 if [ ! -r version ]
 185 then
 186         echo 0 > version
 187 fi
 188
 189 touch version
 190 v=$(cat version)
 191 u=${USER:-root}
 192 d=$(pwd)
 193 h=${HOSTNAME:-$(hostname)}
 194 if [ -n "$SOURCE_DATE_EPOCH" ]; then
 195         if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then
 196                 echo "Invalid SOURCE_DATE_EPOCH" >&2
 197                 exit 1
 198         fi
 199 else
 200         t=$(date)
 201 fi
 202 i=$(${MAKE:-make} -V KERN_IDENT)
 203 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
 204
 205 for dir in /usr/bin /usr/local/bin; do
 206         if [ ! -z "${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
 219 done
 220
 221 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
 222         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
 223         if [ $? -eq 0 ]; then
 224                 svnversion=/usr/bin/svnliteversion
 225         else
 226                 svnversion=
 227         fi
 228 fi
 229
 230 if findvcs .git; then
 231         for dir in /usr/bin /usr/local/bin; do
 232                 if [ -x "${dir}/git" ] ; then
 233                         git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
 234                         break
 235                 fi
 236         done
 237 fi
 238
 239 if findvcs .gituprevision; then
 240         gituprevision="${VCSTOP}/.gituprevision"
 241 fi
 242
 243 if findvcs .hg; then
 244         for dir in /usr/bin /usr/local/bin; do
 245                 if [ -x "${dir}/hg" ] ; then
 246                         hg_cmd="${dir}/hg -R ${VCSDIR}"
 247                         break
 248                 fi
 249         done
 250 fi
 251
 252 if [ -n "$svnversion" ] ; then
 253         svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null)
 254         case "$svn" in
 255         [0-9]*[MSP]|*:*)
 256                 svn=" r${svn}"
 257                 modified=yes
 258                 ;;
 259         [0-9]*)
 260                 svn=" r${svn}"
 261                 ;;
 262         *)
 263                 unset svn
 264                 ;;
 265         esac
 266 fi
 267
 268 if [ -n "$git_cmd" ] ; then
 269         git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null)
 270         if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then
 271                 git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null)
 272                 if [ -n "$git_cnt" ] ; then
 273                         git="n${git_cnt}-${git}"
 274                 fi
 275         fi
 276         git_b=$($git_cmd rev-parse --abbrev-ref HEAD)
 277         if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then
 278                 git="${git_b}-${git}"
 279         fi
 280         if git_tree_modified; then
 281                 git="${git}-dirty"
 282                 modified=yes
 283         fi
 284         git=" ${git}"
 285 fi
 286
 287 if [ -n "$gituprevision" ] ; then
 288         gitup=" $(awk -F: '{print $2}' $gituprevision)"
 289 fi
 290
 291 if [ -n "$hg_cmd" ] ; then
 292         hg=$($hg_cmd id 2>/dev/null)
 293         hgsvn=$($hg_cmd svn info 2>/dev/null | \
 294                 awk -F': ' '/Revision/ { print $2 }')
 295         if [ -n "$hgsvn" ] ; then
 296                 svn=" r${hgsvn}"
 297         fi
 298         if [ -n "$hg" ] ; then
 299                 hg=" ${hg}"
 300         fi
 301 fi
 302
 303 [ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes
 304 if [ ${include_metadata} != "yes" ]; then
 305         VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}"
 306         VERSTR="${VERINFO}\\n"
 307 else
 308         VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}"
 309         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
 310 fi
 311
 312 vers_content_new=$(cat << EOF
 313 $COPYRIGHT
 314 #define VERSTR "${VERSTR}"
 315 #define RELSTR "${RELEASE}"
 316
 317 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
 318 char compiler_version[] = "${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" != "$vers_content_old" ]; then
 327         printf "%s\n" "$vers_content_new" > vers.c
 328 fi
 329
 330 echo $((v + 1)) > version