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

     #!/bin/sh -
     #
     # Copyright (c) 1984, 1986, 1990, 1993
     #       The Regents of the University of California.  All rights reserved.
     #
     # Redistribution and use in source and binary forms, with or without
     # modification, are permitted provided that the following conditions
     # are met:
     # 1. Redistributions of source code must retain the above copyright
    #    notice, this list of conditions and the following disclaimer.
    # 2. Redistributions in binary form must reproduce the above copyright
    #    notice, this list of conditions and the following disclaimer in the
    #    documentation and/or other materials provided with the distribution.
    # 4. Neither the name of the University nor the names of its contributors
    #    may be used to endorse or promote products derived from this software
    #    without specific prior written permission.
    #
    # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    # SUCH DAMAGE.
    #
    #       @(#)newvers.sh  8.1 (Berkeley) 4/20/94
    # $FreeBSD$
    
    TYPE="FreeBSD"
    REVISION="6.4"
    BRANCH="STABLE"
    if [ "X${BRANCH_OVERRIDE}" != "X" ]; then
            BRANCH=${BRANCH_OVERRIDE}
    fi
    RELEASE="${REVISION}-${BRANCH}"
    VERSION="${TYPE} ${RELEASE}"
    
    if [ "X${PARAMFILE}" != "X" ]; then
            RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
                    ${PARAMFILE})
    else
            RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
                    $(dirname $0)/../sys/param.h)
    fi
    
    
    b=share/examples/etc/bsd-style-copyright
    year=`date '+%Y'`
    # look for copyright template
    for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
    do
            if [ -r "$bsd_copyright" ]; then
                    COPYRIGHT=`sed \
                        -e "s/\[year\]/1992-$year/" \
                        -e 's/\[your name here\]\.* /The FreeBSD Project./' \
                        -e 's/\[your name\]\.*/The FreeBSD Project./' \
                        -e '/\[id for your version control system, if any\]/d' \
                        $bsd_copyright` 
                    break
            fi
    done
    
    # no copyright found, use a dummy
    if [ X"$COPYRIGHT" = X ]; then
            COPYRIGHT="/*-
     * Copyright (c) 1992-$year The FreeBSD Project.
     * All rights reserved.
     *
     */"
    fi
    
    # add newline
    COPYRIGHT="$COPYRIGHT
    "
    
    LC_ALL=C; export LC_ALL
    if [ ! -r version ]
    then
            echo 0 > version
    fi
    
    touch version
    v=`cat version` u=${USER:-root} d=`pwd` h=${HOSTNAME:-`hostname`} t=`date`
    i=`${MAKE:-make} -V KERN_IDENT`
    
    case "$d" in
    */sys/*)
            SRCDIR=${d##*obj}
            if [ -n "$MACHINE" ]; then
                    if [ -n "$MACHINE" ]; then
                            SRCDIR=${SRCDIR##/$MACHINE}
                    fi
            fi
            SRCDIR=${SRCDIR%%/sys/*}
    
           for dir in /bin /usr/bin /usr/local/bin; do
                   if [ -d "${SRCDIR}/sys/.svn" -a -x "${dir}/svnversion" ] ; then
                           svnversion=${dir}/svnversion
                           break
                   fi
                   if [ -d "${SRCDIR}/.git" -a -x "${dir}/git" ] ; then
                           git_cmd="${dir}/git --git-dir=${SRCDIR}/.git"
                           break
                   fi
           done
   
           if [ -n "$svnversion" ] ; then
                   svn=" r`cd ${SRCDIR}/sys && $svnversion`"
           fi
           if [ -n "$git_cmd" ] ; then
                   git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null`
                   svn=`$git_cmd svn find-rev $git 2>/dev/null`
                   if [ -n "$svn" ] ; then
                           svn=" r${svn}"
                           git="=${git}"
                   else
                           svn=`$git_cmd log | fgrep 'git-svn-id:' | head -1 | \
                                sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
                           if [ -n $svn ] ; then
                                   svn=" r${svn}"
                                   git="+${git}"
                           else
                                   git=" ${git}"
                           fi
                   fi
                   if $git_cmd --work-tree=${SRCDIR} diff-index \
                       --name-only HEAD | read dummy; then
                           git="${git}-dirty"
                   fi
           fi
           ;;
   esac
   
   cat << EOF > vers.c
   $COPYRIGHT
   #define SCCSSTR "@(#)${VERSION} #${v}${svn}${git}: ${t}"
   #define VERSTR "${VERSION} #${v}${svn}${git}: ${t}\\n    ${u}@${h}:${d}\\n"
   #define RELSTR "${RELEASE}"
   
   char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
   char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
   char ostype[] = "${TYPE}";
   char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
   int osreldate = ${RELDATE};
   char kern_ident[] = "${i}";
   EOF
   
   echo `expr ${v} + 1` > version

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