161 lines
4.4 KiB
Bash
Executable File
161 lines
4.4 KiB
Bash
Executable File
#!/bin/sh
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# mergemaster mtree database generator
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# This script is intended to be used as part of the release building
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# process to generate the /var/db/mergemaster.mtree file relevant to
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# the source tree used to create the release so that users can make
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# use of mergemaster's -U option to update their files after updating
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# to -stable.
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# Copyright 2009 Douglas Barton
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# dougb@FreeBSD.org
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# $FreeBSD$
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PATH=/bin:/usr/bin:/usr/sbin
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display_usage () {
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VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
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echo "${0##*/} version ${VERSION_NUMBER}"
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echo "Usage: ${0##*/} [-m /path] [-t /path] [-A arch] [-F <make args>] [-D /path]"
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echo "Options:"
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echo " -m /path/directory Specify location of source to do the make in"
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echo " -t /path/directory Specify temp root directory"
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echo " -A architecture Alternative architecture name to pass to make"
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echo " -F <arguments for make> Specify what to put on the make command line"
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echo ' -D /path/directory Specify the destination directory to install files to'
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echo ''
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}
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# Set the default path for the temporary root environment
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#
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TEMPROOT='/var/tmp/temproot'
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# Assign the location of the mtree database
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#
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MTREEDB=${MTREEDB:-/var/db}
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MTREEFILE="${MTREEDB}/mergemaster.mtree"
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# Check the command line options
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#
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while getopts "m:t:A:F:D:h" COMMAND_LINE_ARGUMENT ; do
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case "${COMMAND_LINE_ARGUMENT}" in
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m)
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SOURCEDIR=${OPTARG}
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;;
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t)
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TEMPROOT=${OPTARG}
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;;
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A)
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ARCHSTRING='TARGET_ARCH='${OPTARG}
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;;
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F)
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MM_MAKE_ARGS="${OPTARG}"
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;;
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D)
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DESTDIR=${OPTARG}
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;;
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h)
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display_usage
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exit 0
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;;
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*)
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echo ''
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display_usage
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exit 1
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;;
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esac
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done
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# Assign the source directory
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#
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SOURCEDIR=${SOURCEDIR:-/usr/src}
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if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \
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-f ${SOURCEDIR}/../Makefile.inc1 ]; then
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echo " *** The source directory you specified (${SOURCEDIR})"
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echo " will be reset to ${SOURCEDIR}/.."
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echo ''
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sleep 3
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SOURCEDIR=${SOURCEDIR}/..
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fi
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# Setup make to use system files from SOURCEDIR
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objp=${MAKEOBJDIRPREFIX}
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[ -z "${objp}" ] && objp=/usr/obj
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legacydir=${objp}${SOURCEDIR}/tmp/legacy
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legacypath=${legacydir}/usr/sbin:${legacydir}/usr/bin:${legacydir}/bin
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MM_MAKE_ARGS="${MM_MAKE_ARGS} PATH=${legacypath}:${PATH}"
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MM_MAKE="make ${ARCHSTRING} ${MM_MAKE_ARGS} -m ${SOURCEDIR}/share/mk"
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delete_temproot () {
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rm -rf "${TEMPROOT}" 2>/dev/null
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chflags -R 0 "${TEMPROOT}" 2>/dev/null
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rm -rf "${TEMPROOT}" || exit 1
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}
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[ -d "${TEMPROOT}" ] && delete_temproot
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echo "*** Creating the temporary root environment in ${TEMPROOT}"
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if mkdir -p "${TEMPROOT}"; then
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echo " *** ${TEMPROOT} ready for use"
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fi
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if [ ! -d "${TEMPROOT}" ]; then
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echo ''
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echo " *** FATAL ERROR: Cannot create ${TEMPROOT}"
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echo ''
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exit 1
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fi
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echo " *** Creating and populating directory structure in ${TEMPROOT}"
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echo ''
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{ cd ${SOURCEDIR} || { echo "*** Cannot cd to ${SOURCEDIR}" ; exit 1;}
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case "${DESTDIR}" in
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'') ;;
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*)
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${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs
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;;
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esac
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od=${TEMPROOT}/usr/obj
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${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs &&
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MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc &&
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MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc &&
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MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution;} ||
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{ echo '';
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echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to";
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echo " the temproot environment";
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echo '';
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exit 1;}
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# We really don't want to have to deal with files like login.conf.db, pwd.db,
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# or spwd.db. Instead, we want to compare the text versions, and run *_mkdb.
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# Prompt the user to do so below, as needed.
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#
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rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd
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# We only need to compare things like freebsd.cf once
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find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null
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# Delete stuff we do not need to keep the mtree database small,
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# and to make the actual comparison faster.
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find ${TEMPROOT}/usr -type l -delete 2>/dev/null
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find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null
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find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null
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# Build the mtree database in a temporary location.
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MTREENEW=`mktemp -t mergemaster.mtree`
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mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
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if [ -s "${MTREENEW}" ]; then
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echo "*** Saving mtree database for future upgrades"
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test -e "${DESTDIR}${MTREEFILE}" && unlink ${DESTDIR}${MTREEFILE}
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mv ${MTREENEW} ${DESTDIR}${MTREEFILE}
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fi
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delete_temproot
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exit 0
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