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="13.3"
  56 BRANCH="RELEASE"
  57 if [ -n "${BRANCH_OVERRIDE}" ]; then
  58         BRANCH=${BRANCH_OVERRIDE}
  59 fi
  60 RELEASE="${REVISION}-${BRANCH}"
  61 VERSION="${TYPE} ${RELEASE}"
  62
  63 if [ -z "${SYSDIR}" ]; then
  64     SYSDIR=$(dirname $0)/..
  65 fi
  66
  67 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h})
  68
  69 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
  70         year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
  71 else
  72         year=$(date +%Y)
  73 fi
  74 # look for copyright template
  75 b=share/examples/etc/bsd-style-copyright
  76 for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
  77 do
  78         if [ -r "$bsd_copyright" ]; then
  79                 COPYRIGHT=$(sed \
  80                     -e "s/\[year\]/1992-$year/" \
  81                     -e 's/\[your name here\]\.* /The FreeBSD Project./' \
  82                     -e 's/\[your name\]\.*/The FreeBSD Project./' \
  83                     -e '/\[id for your version control system, if any\]/d' \
  84                     $bsd_copyright)
  85                 break
  86         fi
  87 done
  88
  89 # no copyright found, use a dummy
  90 if [ -z "$COPYRIGHT" ]; then
  91         COPYRIGHT="/*-
  92  * Copyright (c) 1992-$year The FreeBSD Project.
  93  *
  94  */"
  95 fi
  96
  97 # add newline
  98 COPYRIGHT="$COPYRIGHT
  99 "
 100
 101 # We expand include_metadata later since we may set it to the
 102 # future value of modified.
 103 include_metadata=yes
 104 modified=no
 105 while getopts crRvV: opt; do
 106         case "$opt" in
 107         c)
 108                 echo "$COPYRIGHT"
 109                 exit 0
 110                 ;;
 111         r)
 112                 include_metadata=no
 113                 ;;
 114         R)
 115                 include_metadata=if-modified
 116                 ;;
 117         v)
 118                 # Only put variables that are single lines here.
 119                 for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do
 120                         eval val=\$${v}
 121                         echo ${v}=\"${val}\"
 122                 done
 123                 exit 0
 124                 ;;
 125         V)
 126                 v=$OPTARG
 127                 eval val=\$${v}
 128                 echo ${v}=\"${val}\"
 129                 VARS_ONLY_EXIT=1
 130                 ;;
 131         esac
 132 done
 133 shift $((OPTIND - 1))
 134
 135 # VARS_ONLY means no files should be generated, this is just being
 136 # included.
 137 [ -n "$VARS_ONLY" ] && return 0
 138
 139 # VARS_ONLY_EXIT means no files should be generated, only the value of
 140 # variables are being output.
 141 [ -n "$VARS_ONLY_EXIT" ] && exit 0
 142
 143 #
 144 # findvcs dir
 145 #       Looks up directory dir at world root and up the filesystem
 146 #
 147 findvcs()
 148 {
 149         local savedir
 150
 151         savedir=$(pwd)
 152         cd ${SYSDIR}/..
 153         while [ $(pwd) != "/" ]; do
 154                 if [ -e "./$1" ]; then
 155                         VCSTOP=$(pwd)
 156                         VCSDIR=${VCSTOP}"/$1"
 157                         cd ${savedir}
 158                         return 0
 159                 fi
 160                 cd ..
 161         done
 162         cd ${savedir}
 163         return 1
 164 }
 165
 166 git_tree_modified()
 167 {
 168         ! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet
 169 }
 170
 171 LC_ALL=C; export LC_ALL
 172 if [ ! -r version ]
 173 then
 174         echo 0 > version
 175 fi
 176
 177 touch version
 178 v=$(cat version)
 179 u=${USER:-root}
 180 d=$(pwd)
 181 h=${HOSTNAME:-$(hostname)}
 182 if [ -n "$SOURCE_DATE_EPOCH" ]; then
 183         if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then
 184                 echo "Invalid SOURCE_DATE_EPOCH" >&2
 185                 exit 1
 186         fi
 187 else
 188         t=$(date)
 189 fi
 190 i=$(${MAKE:-make} -V KERN_IDENT)
 191 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
 192
 193 for dir in /usr/bin /usr/local/bin; do
 194         if [ ! -z "${svnversion}" ] ; then
 195                 break
 196         fi
 197         if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
 198                 # Run svnversion from ${dir} on this script; if return code
 199                 # is not zero, the checkout might not be compatible with the
 200                 # svnversion being used.
 201                 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
 202                 if [ $? -eq 0 ]; then
 203                         svnversion=${dir}/svnversion
 204                         break
 205                 fi
 206         fi
 207 done
 208
 209 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
 210         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
 211         if [ $? -eq 0 ]; then
 212                 svnversion=/usr/bin/svnliteversion
 213         else
 214                 svnversion=
 215         fi
 216 fi
 217
 218 if findvcs .git; then
 219         for dir in /usr/bin /usr/local/bin; do
 220                 if [ -x "${dir}/git" ] ; then
 221                         git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
 222                         break
 223                 fi
 224         done
 225 fi
 226
 227 if findvcs .gituprevision; then
 228         gituprevision="${VCSTOP}/.gituprevision"
 229 fi
 230
 231 if findvcs .hg; then
 232         for dir in /usr/bin /usr/local/bin; do
 233                 if [ -x "${dir}/hg" ] ; then
 234                         hg_cmd="${dir}/hg -R ${VCSDIR}"
 235                         break
 236                 fi
 237         done
 238 fi
 239
 240 if [ -n "$svnversion" ] ; then
 241         svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null)
 242         case "$svn" in
 243         [0-9]*[MSP]|*:*)
 244                 svn=" r${svn}"
 245                 modified=yes
 246                 ;;
 247         [0-9]*)
 248                 svn=" r${svn}"
 249                 ;;
 250         *)
 251                 unset svn
 252                 ;;
 253         esac
 254 fi
 255
 256 if [ -n "$git_cmd" ] ; then
 257         git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null)
 258         if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then
 259                 git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null)
 260                 if [ -n "$git_cnt" ] ; then
 261                         git="n${git_cnt}-${git}"
 262                 fi
 263         fi
 264         git_b=$($git_cmd rev-parse --abbrev-ref HEAD)
 265         if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then
 266                 git="${git_b}-${git}"
 267         fi
 268         if git_tree_modified; then
 269                 git="${git}-dirty"
 270                 modified=yes
 271         fi
 272         git=" ${git}"
 273 fi
 274
 275 if [ -n "$gituprevision" ] ; then
 276         gitup=" $(awk -F: '{print $2}' $gituprevision)"
 277 fi
 278
 279 if [ -n "$hg_cmd" ] ; then
 280         hg=$($hg_cmd id 2>/dev/null)
 281         hgsvn=$($hg_cmd svn info 2>/dev/null | \
 282                 awk -F': ' '/Revision/ { print $2 }')
 283         if [ -n "$hgsvn" ] ; then
 284                 svn=" r${hgsvn}"
 285         fi
 286         if [ -n "$hg" ] ; then
 287                 hg=" ${hg}"
 288         fi
 289 fi
 290
 291 [ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes
 292 if [ ${include_metadata} != "yes" ]; then
 293         VERINFO="${VERSION}${svn}${git}${gitup}${hg} ${i}"
 294         VERSTR="${VERINFO}\\n"
 295 else
 296         VERINFO="${VERSION} #${v}${svn}${git}${gitup}${hg}: ${t}"
 297         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
 298 fi
 299
 300 vers_content_new=$(cat << EOF
 301 $COPYRIGHT
 302 #define SCCSSTR "@(#)${VERINFO}"
 303 #define VERSTR "${VERSTR}"
 304 #define RELSTR "${RELEASE}"
 305
 306 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
 307 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
 308 char compiler_version[] = "${compiler_v}";
 309 char ostype[] = "${TYPE}";
 310 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
 311 int osreldate = ${RELDATE};
 312 char kern_ident[] = "${i}";
 313 EOF
 314 )
 315 vers_content_old=$(cat vers.c 2>/dev/null || true)
 316 if [ "$vers_content_new" != "$vers_content_old" ]; then
 317         printf "%s\n" "$vers_content_new" > vers.c
 318 fi
 319
 320 echo $((v + 1)) > version