The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/conf/newvers.sh

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    1 #!/bin/sh -
    2 #
    3 # Copyright (c) 1984, 1986, 1990, 1993
    4 #       The Regents of the University of California.  All rights reserved.
    5 #
    6 # Redistribution and use in source and binary forms, with or without
    7 # modification, are permitted provided that the following conditions
    8 # are met:
    9 # 1. Redistributions of source code must retain the above copyright
   10 #    notice, this list of conditions and the following disclaimer.
   11 # 2. Redistributions in binary form must reproduce the above copyright
   12 #    notice, this list of conditions and the following disclaimer in the
   13 #    documentation and/or other materials provided with the distribution.
   14 # 3. Neither the name of the University nor the names of its contributors
   15 #    may be used to endorse or promote products derived from this software
   16 #    without specific prior written permission.
   17 #
   18 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28 # SUCH DAMAGE.
   29 #
   30 #       @(#)newvers.sh  8.1 (Berkeley) 4/20/94
   31 # $FreeBSD: releng/11.1/sys/conf/newvers.sh 338978 2018-09-27 18:29:55Z gordon $
   32 
   33 # Command line options:
   34 #
   35 #     -r               Reproducible build.  Do not embed directory names, user
   36 #                      names, time stamps or other dynamic information into
   37 #                      the output file.  This is intended to allow two builds
   38 #                      done at different times and even by different people on
   39 #                      different hosts to produce identical output.
   40 #
   41 #     -R               Reproducible build if the tree represents an unmodified
   42 #                      checkout from a version control system.  Metadata is
   43 #                      included if the tree is modified.
   44 
   45 TYPE="FreeBSD"
   46 REVISION="11.1"
   47 BRANCH="RELEASE-p15"
   48 if [ -n "${BRANCH_OVERRIDE}" ]; then
   49         BRANCH=${BRANCH_OVERRIDE}
   50 fi
   51 RELEASE="${REVISION}-${BRANCH}"
   52 VERSION="${TYPE} ${RELEASE}"
   53 
   54 if [ -z "${SYSDIR}" ]; then
   55     SYSDIR=$(dirname $0)/..
   56 fi
   57 
   58 if [ -n "${PARAMFILE}" ]; then
   59         RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
   60                 ${PARAMFILE})
   61 else
   62         RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
   63                 ${SYSDIR}/sys/param.h)
   64 fi
   65 
   66 b=share/examples/etc/bsd-style-copyright
   67 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
   68         year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
   69 else
   70         year=$(date +%Y)
   71 fi
   72 # look for copyright template
   73 for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
   74 do
   75         if [ -r "$bsd_copyright" ]; then
   76                 COPYRIGHT=`sed \
   77                     -e "s/\[year\]/1992-$year/" \
   78                     -e 's/\[your name here\]\.* /The FreeBSD Project./' \
   79                     -e 's/\[your name\]\.*/The FreeBSD Project./' \
   80                     -e '/\[id for your version control system, if any\]/d' \
   81                     $bsd_copyright` 
   82                 break
   83         fi
   84 done
   85 
   86 # no copyright found, use a dummy
   87 if [ -z "$COPYRIGHT" ]; then
   88         COPYRIGHT="/*-
   89  * Copyright (c) 1992-$year The FreeBSD Project.
   90  * All rights reserved.
   91  *
   92  */"
   93 fi
   94 
   95 # add newline
   96 COPYRIGHT="$COPYRIGHT
   97 "
   98 
   99 # VARS_ONLY means no files should be generated, this is just being
  100 # included.
  101 if [ -n "$VARS_ONLY" ]; then
  102         return 0
  103 fi
  104 
  105 LC_ALL=C; export LC_ALL
  106 if [ ! -r version ]
  107 then
  108         echo 0 > version
  109 fi
  110 
  111 touch version
  112 v=`cat version`
  113 u=${USER:-root}
  114 d=`pwd`
  115 h=${HOSTNAME:-`hostname`}
  116 if [ -n "$SOURCE_DATE_EPOCH" ]; then
  117         if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
  118                 echo "Invalid SOURCE_DATE_EPOCH" >&2
  119                 exit 1
  120         fi
  121 else
  122         t=`date`
  123 fi
  124 i=`${MAKE:-make} -V KERN_IDENT`
  125 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
  126 
  127 for dir in /usr/bin /usr/local/bin; do
  128         if [ ! -z "${svnversion}" ] ; then
  129                 break
  130         fi
  131         if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
  132                 # Run svnversion from ${dir} on this script; if return code
  133                 # is not zero, the checkout might not be compatible with the
  134                 # svnversion being used.
  135                 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
  136                 if [ $? -eq 0 ]; then
  137                         svnversion=${dir}/svnversion
  138                         break
  139                 fi
  140         fi
  141 done
  142 
  143 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
  144         /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
  145         if [ $? -eq 0 ]; then
  146                 svnversion=/usr/bin/svnliteversion
  147         else
  148                 svnversion=
  149         fi
  150 fi
  151 
  152 for dir in /usr/bin /usr/local/bin; do
  153         if [ -x "${dir}/p4" ] && [ -z ${p4_cmd} ] ; then
  154                 p4_cmd=${dir}/p4
  155         fi
  156 done
  157 if [ -d "${SYSDIR}/../.git" ] ; then
  158         for dir in /usr/bin /usr/local/bin; do
  159                 if [ -x "${dir}/git" ] ; then
  160                         git_cmd="${dir}/git --git-dir=${SYSDIR}/../.git"
  161                         break
  162                 fi
  163         done
  164 fi
  165 
  166 if [ -d "${SYSDIR}/../.hg" ] ; then
  167         for dir in /usr/bin /usr/local/bin; do
  168                 if [ -x "${dir}/hg" ] ; then
  169                         hg_cmd="${dir}/hg -R ${SYSDIR}/.."
  170                         break
  171                 fi
  172         done
  173 fi
  174 
  175 if [ -n "$svnversion" ] ; then
  176         svn=`cd ${SYSDIR} && $svnversion 2>/dev/null`
  177         case "$svn" in
  178         [0-9]*[MSP]|*:*)
  179                 svn=" r${svn}"
  180                 modified=true
  181                 ;;
  182         [0-9]*)
  183                 svn=" r${svn}"
  184                 ;;
  185         *)
  186                 unset svn
  187                 ;;
  188         esac
  189 fi
  190 
  191 if [ -n "$git_cmd" ] ; then
  192         git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null`
  193         svn=`$git_cmd svn find-rev $git 2>/dev/null`
  194         if [ -n "$svn" ] ; then
  195                 svn=" r${svn}"
  196                 git="=${git}"
  197         else
  198                 svn=`$git_cmd log | fgrep 'git-svn-id:' | head -1 | \
  199                      sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
  200                 if [ -z "$svn" ] ; then
  201                         svn=`$git_cmd log --format='format:%N' | \
  202                              grep '^svn ' | head -1 | \
  203                              sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'`
  204                 fi
  205                 if [ -n "$svn" ] ; then
  206                         svn=" r${svn}"
  207                         git="+${git}"
  208                 else
  209                         git=" ${git}"
  210                 fi
  211         fi
  212         git_b=`$git_cmd rev-parse --abbrev-ref HEAD`
  213         if [ -n "$git_b" ] ; then
  214                 git="${git}(${git_b})"
  215         fi
  216         if $git_cmd --work-tree=${SYSDIR}/.. diff-index \
  217             --name-only HEAD | read dummy; then
  218                 git="${git}-dirty"
  219                 modified=true
  220         fi
  221 fi
  222 
  223 if [ -n "$p4_cmd" ] ; then
  224         p4version=`cd ${SYSDIR} && $p4_cmd changes -m1 "./...#have" 2>&1 | \
  225                 awk '{ print $2 }'`
  226         case "$p4version" in
  227         [0-9]*)
  228                 p4version=" ${p4version}"
  229                 p4opened=`cd ${SYSDIR} && $p4_cmd opened ./... 2>&1`
  230                 case "$p4opened" in
  231                 File*) ;;
  232                 //*)
  233                         p4version="${p4version}+edit"
  234                         modified=true
  235                         ;;
  236                 esac
  237                 ;;
  238         *)      unset p4version ;;
  239         esac
  240 fi
  241 
  242 if [ -n "$hg_cmd" ] ; then
  243         hg=`$hg_cmd id 2>/dev/null`
  244         svn=`$hg_cmd svn info 2>/dev/null | \
  245                 awk -F': ' '/Revision/ { print $2 }'`
  246         if [ -n "$svn" ] ; then
  247                 svn=" r${svn}"
  248         fi
  249         if [ -n "$hg" ] ; then
  250                 hg=" ${hg}"
  251         fi
  252 fi
  253 
  254 include_metadata=true
  255 while getopts rR opt; do
  256         case "$opt" in
  257         r)
  258                 include_metadata=
  259                 ;;
  260         R)
  261                 if [ -z "${modified}" ]; then
  262                         include_metadata=
  263                 fi
  264         esac
  265 done
  266 shift $((OPTIND - 1))
  267 
  268 if [ -z "${include_metadata}" ]; then
  269         VERINFO="${VERSION} ${svn}${git}${hg}${p4version}"
  270         VERSTR="${VERINFO}\\n"
  271 else
  272         VERINFO="${VERSION} #${v}${svn}${git}${hg}${p4version}: ${t}"
  273         VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
  274 fi
  275 
  276 cat << EOF > vers.c
  277 $COPYRIGHT
  278 #define SCCSSTR "@(#)${VERINFO}"
  279 #define VERSTR "${VERSTR}"
  280 #define RELSTR "${RELEASE}"
  281 
  282 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
  283 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
  284 char compiler_version[] = "${compiler_v}";
  285 char ostype[] = "${TYPE}";
  286 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
  287 int osreldate = ${RELDATE};
  288 char kern_ident[] = "${i}";
  289 EOF
  290 
  291 echo $((v + 1)) > version

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