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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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338 lines
8.5 KiB
Bash
338 lines
8.5 KiB
Bash
#!/bin/sh -
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Copyright (c) 1984, 1986, 1990, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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# Command line options:
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#
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# -c Print the copyright / license statement as a C comment and exit
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#
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# -r Reproducible build. Do not embed directory names, user names,
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# time stamps or other dynamic information into the output file.
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# This is intended to allow two builds done at different times
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# and even by different people on different hosts to produce
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# identical output.
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#
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# -R Reproducible build if the tree represents an unmodified
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# checkout from a version control system. Metadata is included
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# if the tree is modified.
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#
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# -V var Print ${var}="${val-of-var}" and exit
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#
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# -v Print TYPE REVISION BRANCH RELEASE VERSION RELDATE variables
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# like the -V command
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#
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TYPE="FreeBSD"
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REVISION="15.0"
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BRANCH="CURRENT"
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if [ -n "${BRANCH_OVERRIDE}" ]; then
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BRANCH=${BRANCH_OVERRIDE}
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fi
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BRANCH="${BRANCH}-HBSD"
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unset RELEASE
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unset VERSION
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if [ -z "${SYSDIR}" ]; then
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SYSDIR=$(dirname $0)/..
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fi
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# allow random overrides
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while :
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do
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case "$1" in
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*=*) eval "$1"; shift;;
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*) break;;
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esac
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done
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RELEASE="${RELEASE:-${REVISION}-${BRANCH}}"
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VERSION="${VERSION:-${TYPE} ${RELEASE}}"
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RELDATE=$(awk '/^#define[[:space:]]*__FreeBSD_version/ {print $3}' ${PARAMFILE:-${SYSDIR}/sys/param.h})
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if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
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year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
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else
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year=$(date +%Y)
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fi
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# look for copyright template
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b=share/examples/etc/bsd-style-copyright
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for bsd_copyright in $b ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
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do
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if [ -r "$bsd_copyright" ]; then
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COPYRIGHT=$(sed \
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-e "s/\[year\]/1992-$year/" \
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-e 's/\[your name here\]\.* /The FreeBSD Project./' \
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-e 's/\[your name\]\.*/The FreeBSD Project./' \
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-e '/\[id for your version control system, if any\]/d' \
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$bsd_copyright)
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break
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fi
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done
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# no copyright found, use a dummy
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if [ -z "$COPYRIGHT" ]; then
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COPYRIGHT="/*-
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* Copyright (c) 1992-$year The FreeBSD Project.
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*
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*/"
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fi
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# add newline
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COPYRIGHT="$COPYRIGHT
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"
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# We expand include_metadata later since we may set it to the
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# future value of modified.
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include_metadata=yes
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modified=no
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while getopts crRvV: opt; do
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case "$opt" in
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c)
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echo "$COPYRIGHT"
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exit 0
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;;
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r)
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include_metadata=no
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;;
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R)
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include_metadata=if-modified
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;;
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v)
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# Only put variables that are single lines here.
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for v in TYPE REVISION BRANCH RELEASE VERSION RELDATE; do
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eval val=\$${v}
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echo ${v}=\"${val}\"
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done
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exit 0
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;;
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V)
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v=$OPTARG
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eval val=\$${v}
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echo ${v}=\"${val}\"
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VARS_ONLY_EXIT=1
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;;
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esac
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done
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shift $((OPTIND - 1))
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# VARS_ONLY means no files should be generated, this is just being
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# included.
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[ -n "$VARS_ONLY" ] && return 0
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# VARS_ONLY_EXIT means no files should be generated, only the value of
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# variables are being output.
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[ -n "$VARS_ONLY_EXIT" ] && exit 0
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#
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# findvcs dir
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# Looks up directory dir at world root and up the filesystem
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#
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findvcs()
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{
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local savedir
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savedir=$(pwd)
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cd ${SYSDIR}/..
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while [ $(pwd) != "/" ]; do
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if [ -e "./$1" ]; then
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VCSTOP=$(pwd)
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VCSDIR=${VCSTOP}"/$1"
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cd ${savedir}
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return 0
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fi
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cd ..
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done
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cd ${savedir}
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return 1
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}
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git_tree_modified()
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{
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! $git_cmd "--work-tree=${VCSTOP}" -c core.checkStat=minimal -c core.fileMode=off diff --quiet
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}
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LC_ALL=C; export LC_ALL
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if [ ! -r version ]
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then
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echo 0 > version
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fi
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touch version
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v=$(cat version)
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u=${USER:-root}
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d=$(pwd)
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h=${HOSTNAME:-$(hostname)}
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if [ -n "$SOURCE_DATE_EPOCH" ]; then
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if ! t=$(date -r $SOURCE_DATE_EPOCH 2>/dev/null); then
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echo "Invalid SOURCE_DATE_EPOCH" >&2
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exit 1
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fi
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else
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t=$(date)
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fi
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i=$(${MAKE:-make} -V KERN_IDENT)
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compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
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for dir in /usr/bin /usr/local/bin; do
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if [ ! -z "${svnversion}" ] ; then
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break
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fi
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if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
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# Run svnversion from ${dir} on this script; if return code
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# is not zero, the checkout might not be compatible with the
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# svnversion being used.
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${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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svnversion=${dir}/svnversion
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break
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fi
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fi
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done
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if findvcs .git; then
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for dir in /usr/bin /usr/local/bin; do
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if [ -x "${dir}/git" ] ; then
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git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
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break
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fi
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done
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fi
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if findvcs .gituprevision; then
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gituprevision="${VCSTOP}/.gituprevision"
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fi
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if findvcs .hg; then
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for dir in /usr/bin /usr/local/bin; do
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if [ -x "${dir}/hg" ] ; then
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hg_cmd="${dir}/hg -R ${VCSDIR}"
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break
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fi
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done
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fi
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if [ -n "$svnversion" ] ; then
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svn=$(cd ${SYSDIR} && $svnversion 2>/dev/null)
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case "$svn" in
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[0-9]*[MSP]|*:*)
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svn=" r${svn}"
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modified=yes
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;;
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[0-9]*)
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svn=" r${svn}"
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;;
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*)
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unset svn
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;;
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esac
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fi
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if [ -n "$git_cmd" ] ; then
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git=$($git_cmd rev-parse --verify --short HEAD 2>/dev/null)
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if [ "$($git_cmd rev-parse --is-shallow-repository)" = false ] ; then
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git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null)
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if [ -n "$git_cnt" ] ; then
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git="n${git_cnt}-${git}"
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fi
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fi
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git_b=$($git_cmd rev-parse --abbrev-ref HEAD)
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if [ -n "$git_b" -a "$git_b" != "HEAD" ] ; then
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git="${git_b}-${git}"
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fi
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if git_tree_modified; then
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git="${git}-dirty"
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modified=yes
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fi
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git=" ${git}"
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fi
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if [ -n "$gituprevision" ] ; then
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gitup=" $(awk -F: '{print $2}' $gituprevision)"
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fi
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if [ -n "$hg_cmd" ] ; then
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hg=$($hg_cmd id 2>/dev/null)
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hgsvn=$($hg_cmd svn info 2>/dev/null | \
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awk -F': ' '/Revision/ { print $2 }')
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if [ -n "$hgsvn" ] ; then
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svn=" r${hgsvn}"
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fi
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if [ -n "$hg" ] ; then
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hg=" ${hg}"
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fi
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fi
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if [ -n "${HBSD_EXTRA}" ] ; then
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hbsdv=" [${HBSD_EXTRA}]"
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else
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hbsdv=" "
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fi
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[ ${include_metadata} = "if-modified" -a ${modified} = "yes" ] && include_metadata=yes
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if [ ${include_metadata} != "yes" ]; then
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VERINFO="${VERSION}${hbsdv}${svn}${git}${gitup}${hg} ${i}"
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VERSTR="${VERINFO}\\n"
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else
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VERINFO="${VERSION} #${v}${hbsdv}${svn}${git}${gitup}${hg}: ${t}"
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VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n"
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fi
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vers_content_new=$(cat << EOF
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$COPYRIGHT
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/*
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* The SCCS stuff is a marker that by convention identifies the kernel. While
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* the convention originated with SCCS, the current use is more generic and is
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* used by different organizations to identify the kernel, the crash dump,
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* etc. The what(1) utility prints these markers. Better methods exist, so this
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* method is deprecated and will be removed in a future version of FreeBSD. Orgs
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* that use it are encouraged to migrate before then.
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*/
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#define SCCSSTR "@(#)${VERINFO}"
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#define VERSTR "${VERSTR}"
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#define RELSTR "${RELEASE}"
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const char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
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const char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
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const char compiler_version[] = "${compiler_v}";
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const char ostype[] = "${TYPE}";
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const char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
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const int osreldate = ${RELDATE};
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const char kern_ident[] = "${i}";
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EOF
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)
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vers_content_old=$(cat vers.c 2>/dev/null || true)
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if [ "$vers_content_new" != "$vers_content_old" ]; then
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printf "%s\n" "$vers_content_new" > vers.c
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fi
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echo $((v + 1)) > version
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