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="13.2"
  57 BRANCH="RC6"
  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                 VARS_ONLY_EXIT=1
 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 # VARS_ONLY_EXIT means no files should be generated, only the value of
 141 # variables are being output.
 142 [ -n "$VARS_ONLY_EXIT" ] && exit 0
 143
 144 #
 145 # findvcs dir
 146 #       Looks up directory dir at world root and up the filesystem
 147 #
 148 findvcs()
 149 {
 150         local savedir
 151
 152         savedir=$(pwd)
 153         cd ${SYSDIR}/..
 154         while [ $(pwd) != "/" ]; do
 155                 if [ -e "./$1" ]; then
 156                         VCSTOP=$(pwd)
 157                         VCSDIR=${VCSTOP}"/$1"
 158                         cd ${savedir}
 159                         return 0
 160                 fi
 161                 cd ..
 162         done
 163         cd ${savedir}
 164         return 1
 165 }
 166
 167 git_tree_modified()
 168 {
 169         ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet
 170 }
 171
 172 LC_ALL=C; export LC_ALL
 173 if [ ! -r version ]
 174 then
 175         echo 0 > version
 176 fi
 177
 178 touch version
 179 v=$(cat version)
 180 u=${USER:-root}
 181 d=$(pwd)
 182 h=${HOSTNAME:-$(hostname)}
 183 if [ -n "$SOURCE_DATE_EPOCH" ]; then
 184         if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then
 185                 echo "Invalid SOURCE_DATE_EPOCH" >&2
 186                 exit 1
 187         fi
 188 else
 189         t=$(date)
 190 fi
 191 i=$(${MAKE:-make} -V KERN_IDENT)
 192 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
 193
 194 for dir in /usr/bin /usr/local/bin; do
 195         if [ ! -z "${svnversion}" ] ; then
 196                 break
 197         fi
 198         if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
 199                 # Run svnversion from ${dir} on this script; if return code
 200                 # is not zero, the checkout might not be compatible with the
 201                 # svnversion being used.
 202                 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
 203                 if [ $? -eq 0 ]; then
 204                         svnversion=${dir}/svnversion
 205                         break
 206                 fi
 207         fi
 208 done
 209
 210 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
 211         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
 212         if [ $? -eq 0 ]; then
 213                 svnversion=/usr/bin/svnliteversion
 214         else
 215                 svnversion=
 216         fi
 217 fi
 218
 219 if findvcs .git; then
 220         for dir in /usr/bin /usr/local/bin; do
 221                 if [ -x "${dir}/git" ] ; then
 222                         git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
 223                         break
 224                 fi
 225         done
 226 fi
 227
 228 if findvcs .gituprevision; then
 229         gituprevision="${VCSTOP}/.gituprevision"
 230 fi
 231
 232 if findvcs .hg; then
 233         for dir in /usr/bin /usr/local/bin; do
 234                 if [ -x "${dir}/hg" ] ; then
 235                         hg_cmd="${dir}/hg -R ${VCSDIR}"
 236                         break
 237                 fi
 238         done
 239 fi
 240
 241 if [ -n "$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
 255 fi
 256
 257 if [ -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=" ${git}"
 274 fi
 275
 276 if [ -n "$gituprevision" ] ; then
 277         gitup=" $(awk -F: '{print $2}' $gituprevision)"
 278 fi
 279
 280 if [ -n "$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
 290 fi
 291
 292 [ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes
 293 if [ ${include_metadata} != "yes" ]; then
 294         VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}"
 295         VERSTR="${VERINFO}\\n"
 296 else
 297         VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}"
 298         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
 299 fi
 300
 301 vers_content_new=$(cat << EOF
 302 $COPYRIGHT
 303 #define SCCSSTR "@(#)${VERINFO}"
 304 #define VERSTR "${VERSTR}"
 305 #define RELSTR "${RELEASE}"
 306
 307 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
 308 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
 309 char compiler_version[] = "${compiler_v}";
 310 char ostype[] = "${TYPE}";
 311 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
 312 int osreldate = ${RELDATE};
 313 char kern_ident[] = "${i}";
 314 EOF
 315 )
 316 vers_content_old=$(cat vers.c 2>/dev/null || true)
 317 if [ "$vers_content_new" != "$vers_content_old" ]; then
 318         printf "%s\n" "$vers_content_new" > vers.c
 319 fi
 320
 321 echo $((v + 1)) > version