3 # mergemaster mtree database generator
5 # This script is intended to be used as part of the release building
6 # process to generate the /var/db/mergemaster.mtree file relevant to
7 # the source tree used to create the release so that users can make
8 # use of mergemaster's -U option to update their files after csup'ing
11 # Copyright 2009 Douglas Barton
16 PATH=/bin:/usr/bin:/usr/sbin
19 VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
20 echo "${0##*/} version ${VERSION_NUMBER}"
21 echo "Usage: ${0##*/} [-m /path] [-t /path] [-A arch] [-F <make args>] [-D /path]"
23 echo " -m /path/directory Specify location of source to do the make in"
24 echo " -t /path/directory Specify temp root directory"
25 echo " -A architecture Alternative architecture name to pass to make"
26 echo " -F <arguments for make> Specify what to put on the make command line"
27 echo ' -D /path/directory Specify the destination directory to install files to'
31 # Set the default path for the temporary root environment
33 TEMPROOT='/var/tmp/temproot'
35 # Assign the location of the mtree database
37 MTREEDB=${MTREEDB:-/var/db}
38 MTREEFILE="${MTREEDB}/mergemaster.mtree"
40 # Check the command line options
42 while getopts "m:t:A:F:D:h" COMMAND_LINE_ARGUMENT ; do
43 case "${COMMAND_LINE_ARGUMENT}" in
51 ARCHSTRING='TARGET_ARCH='${OPTARG}
54 MM_MAKE_ARGS="${OPTARG}"
71 # Assign the source directory
73 SOURCEDIR=${SOURCEDIR:-/usr/src}
74 if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \
75 -f ${SOURCEDIR}/../Makefile.inc1 ]; then
76 echo " *** The source directory you specified (${SOURCEDIR})"
77 echo " will be reset to ${SOURCEDIR}/.."
80 SOURCEDIR=${SOURCEDIR}/..
83 # Setup make to use system files from SOURCEDIR
84 objp=${MAKEOBJDIRPREFIX}
85 [ -z "${objp}" ] && objp=/usr/obj
86 legacydir=${objp}${SOURCEDIR}/tmp/legacy
87 legacypath=${legacydir}/usr/sbin:${legacydir}/usr/bin:${legacydir}/bin
88 MM_MAKE_ARGS="${MM_MAKE_ARGS} PATH=${legacypath}:${PATH}"
89 MM_MAKE="make ${ARCHSTRING} ${MM_MAKE_ARGS} -m ${SOURCEDIR}/share/mk"
92 rm -rf "${TEMPROOT}" 2>/dev/null
93 chflags -R 0 "${TEMPROOT}" 2>/dev/null
94 rm -rf "${TEMPROOT}" || exit 1
97 [ -d "${TEMPROOT}" ] && delete_temproot
99 echo "*** Creating the temporary root environment in ${TEMPROOT}"
101 if mkdir -p "${TEMPROOT}"; then
102 echo " *** ${TEMPROOT} ready for use"
105 if [ ! -d "${TEMPROOT}" ]; then
107 echo " *** FATAL ERROR: Cannot create ${TEMPROOT}"
112 echo " *** Creating and populating directory structure in ${TEMPROOT}"
115 { cd ${SOURCEDIR} || { echo "*** Cannot cd to ${SOURCEDIR}" ; exit 1;}
119 ${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs
122 od=${TEMPROOT}/usr/obj
123 ${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs &&
124 MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc &&
125 MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc &&
126 MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution;} ||
128 echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to";
129 echo " the temproot environment";
133 # We really don't want to have to deal with files like login.conf.db, pwd.db,
134 # or spwd.db. Instead, we want to compare the text versions, and run *_mkdb.
135 # Prompt the user to do so below, as needed.
137 rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd
139 # We only need to compare things like freebsd.cf once
140 find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null
142 # Delete stuff we do not need to keep the mtree database small,
143 # and to make the actual comparison faster.
144 find ${TEMPROOT}/usr -type l -delete 2>/dev/null
145 find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null
146 find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null
148 # Build the mtree database in a temporary location.
149 MTREENEW=`mktemp -t mergemaster.mtree`
150 mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
152 if [ -s "${MTREENEW}" ]; then
153 echo "*** Saving mtree database for future upgrades"
154 test -e "${DESTDIR}${MTREEFILE}" && unlink ${DESTDIR}${MTREEFILE}
155 mv ${MTREENEW} ${DESTDIR}${MTREEFILE}