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freebsd/usr.sbin/mergemaster/mergemaster.sh
Doug Barton 878c6432be If using DISTDIR we need to be sure to create a ${DESTDIR}/var/db/zoneinfo 
PR:		bin/162891
Submitted by:	Helge Oldach <src-mergemaster-nov11@oldach.net>
2011-11-29 08:22:12 +00:00

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#!/bin/sh
# mergemaster
# Compare files created by /usr/src/etc/Makefile (or the directory
# the user specifies) with the currently installed copies.
# Copyright 1998-2011 Douglas Barton
# dougb@FreeBSD.org
# $FreeBSD$
PATH=/bin:/usr/bin:/usr/sbin
display_usage () {
VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
echo "mergemaster version ${VERSION_NUMBER}"
echo 'Usage: mergemaster [-scrvhpCP] [-a|[-iFU]] [--run-updates=always|never]'
echo ' [-m /path] [-t /path] [-d] [-u N] [-w N] [-A arch] [-D /path]'
echo "Options:"
echo " -s Strict comparison (diff every pair of files)"
echo " -c Use context diff instead of unified diff"
echo " -r Re-run on a previously cleaned directory (skip temproot creation)"
echo " -v Be more verbose about the process, include additional checks"
echo " -a Leave all files that differ to merge by hand"
echo " -h Display more complete help"
echo ' -i Automatically install files that do not exist in destination directory'
echo ' -p Pre-buildworld mode, only compares crucial files'
echo ' -F Install files that differ only by revision control Id ($FreeBSD)'
echo ' -C Compare local rc.conf variables to the defaults'
echo ' -P Preserve files that are overwritten'
echo " -U Attempt to auto upgrade files that have not been user modified"
echo ' ***DANGEROUS***'
echo ' --run-updates= Specify always or never to run newalises, pwd_mkdb, etc.'
echo ''
echo " -m /path/directory Specify location of source to do the make in"
echo " -t /path/directory Specify temp root directory"
echo " -d Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)"
echo " -u N Specify a numeric umask"
echo " -w N Specify a screen width in columns to sdiff"
echo " -A architecture Alternative architecture name to pass to make"
echo ' -D /path/directory Specify the destination directory to install files to'
echo ''
}
display_help () {
echo "* To specify a directory other than /var/tmp/temproot for the"
echo " temporary root environment, use -t /path/to/temp/root"
echo "* The -w option takes a number as an argument for the column width"
echo " of the screen. The default is 80."
echo '* The -a option causes mergemaster to run without prompting.'
}
# Loop allowing the user to use sdiff to merge files and display the merged
# file.
merge_loop () {
case "${VERBOSE}" in
'') ;;
*)
echo " *** Type h at the sdiff prompt (%) to get usage help"
;;
esac
echo ''
MERGE_AGAIN=yes
while [ "${MERGE_AGAIN}" = "yes" ]; do
# Prime file.merged so we don't blat the owner/group id's
cp -p "${COMPFILE}" "${COMPFILE}.merged"
sdiff -o "${COMPFILE}.merged" --text --suppress-common-lines \
--width=${SCREEN_WIDTH:-80} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
INSTALL_MERGED=V
while [ "${INSTALL_MERGED}" = "v" -o "${INSTALL_MERGED}" = "V" ]; do
echo ''
echo " Use 'i' to install merged file"
echo " Use 'r' to re-do the merge"
echo " Use 'v' to view the merged file"
echo " Default is to leave the temporary file to deal with by hand"
echo ''
echo -n " *** How should I deal with the merged file? [Leave it for later] "
read INSTALL_MERGED
case "${INSTALL_MERGED}" in
[iI])
mv "${COMPFILE}.merged" "${COMPFILE}"
echo ''
if mm_install "${COMPFILE}"; then
echo " *** Merged version of ${COMPFILE} installed successfully"
else
echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand later"
fi
unset MERGE_AGAIN
;;
[rR])
rm "${COMPFILE}.merged"
;;
[vV])
${PAGER} "${COMPFILE}.merged"
;;
'')
echo " *** ${COMPFILE} will remain for your consideration"
unset MERGE_AGAIN
;;
*)
echo "invalid choice: ${INSTALL_MERGED}"
INSTALL_MERGED=V
;;
esac
done
done
}
# Loop showing user differences between files, allow merge, skip or install
# options
diff_loop () {
HANDLE_COMPFILE=v
while [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" -o \
"${HANDLE_COMPFILE}" = "NOT V" ]; do
if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then
if [ -n "${AUTO_UPGRADE}" -a -n "${CHANGED}" ]; then
case "${CHANGED}" in
*:${DESTDIR}${COMPFILE#.}:*) ;; # File has been modified
*)
echo ''
echo " *** ${COMPFILE} has not been user modified."
echo ''
if mm_install "${COMPFILE}"; then
echo " *** ${COMPFILE} upgraded successfully"
echo ''
# Make the list print one file per line
AUTO_UPGRADED_FILES="${AUTO_UPGRADED_FILES} ${DESTDIR}${COMPFILE#.}
"
else
echo " *** Problem upgrading ${COMPFILE}, it will remain to merge by hand"
fi
return
;;
esac
fi
if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then
echo ''
echo ' ====================================================================== '
echo ''
(
echo " *** Displaying differences between ${COMPFILE} and installed version:"
echo ''
diff ${DIFF_FLAG} ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
) | ${PAGER}
echo ''
fi
else
echo ''
echo " *** There is no installed version of ${COMPFILE}"
echo ''
case "${AUTO_INSTALL}" in
[Yy][Ee][Ss])
echo ''
if mm_install "${COMPFILE}"; then
echo " *** ${COMPFILE} installed successfully"
echo ''
# Make the list print one file per line
AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES} ${DESTDIR}${COMPFILE#.}
"
else
echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand"
fi
return
;;
*)
NO_INSTALLED=yes
;;
esac
fi
echo " Use 'd' to delete the temporary ${COMPFILE}"
echo " Use 'i' to install the temporary ${COMPFILE}"
case "${NO_INSTALLED}" in
'')
echo " Use 'm' to merge the temporary and installed versions"
echo " Use 'v' to view the diff results again"
;;
esac
echo ''
echo " Default is to leave the temporary file to deal with by hand"
echo ''
echo -n "How should I deal with this? [Leave it for later] "
read HANDLE_COMPFILE
case "${HANDLE_COMPFILE}" in
[dD])
rm "${COMPFILE}"
echo ''
echo " *** Deleting ${COMPFILE}"
;;
[iI])
echo ''
if mm_install "${COMPFILE}"; then
echo " *** ${COMPFILE} installed successfully"
else
echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand"
fi
;;
[mM])
case "${NO_INSTALLED}" in
'')
# interact with user to merge files
merge_loop
;;
*)
echo ''
echo " *** There is no installed version of ${COMPFILE}"
echo ''
HANDLE_COMPFILE="NOT V"
;;
esac # End of "No installed version of file but user selected merge" test
;;
[vV])
continue
;;
'')
echo ''
echo " *** ${COMPFILE} will remain for your consideration"
;;
*)
# invalid choice, show menu again.
echo "invalid choice: ${HANDLE_COMPFILE}"
echo ''
HANDLE_COMPFILE="NOT V"
continue
;;
esac # End of "How to handle files that are different"
done
unset NO_INSTALLED
echo ''
case "${VERBOSE}" in
'') ;;
*)
sleep 3
;;
esac
}
press_to_continue () {
local DISCARD
echo -n ' *** Press the [Enter] or [Return] key to continue '
read DISCARD
}
# Set the default path for the temporary root environment
#
TEMPROOT='/var/tmp/temproot'
# Read /etc/mergemaster.rc first so the one in $HOME can override
#
if [ -r /etc/mergemaster.rc ]; then
. /etc/mergemaster.rc
fi
# Read .mergemasterrc before command line so CLI can override
#
if [ -r "$HOME/.mergemasterrc" ]; then
. "$HOME/.mergemasterrc"
fi
for var in "$@" ; do
case "$var" in
--run-updates*)
RUN_UPDATES=`echo ${var#--run-updates=} | tr [:upper:] [:lower:]`
;;
*)
newopts="$newopts $var"
;;
esac
done
set -- $newopts
unset var newopts
# Check the command line options
#
while getopts ":ascrvhipCPm:t:du:w:D:A:FU" COMMAND_LINE_ARGUMENT ; do
case "${COMMAND_LINE_ARGUMENT}" in
A)
ARCHSTRING='TARGET_ARCH='${OPTARG}
;;
F)
FREEBSD_ID=yes
;;
U)
AUTO_UPGRADE=yes
;;
s)
STRICT=yes
unset DIFF_OPTIONS
;;
c)
DIFF_FLAG='-c'
;;
r)
RERUN=yes
;;
v)
case "${AUTO_RUN}" in
'') VERBOSE=yes ;;
esac
;;
a)
AUTO_RUN=yes
unset VERBOSE
;;
h)
display_usage
display_help
exit 0
;;
i)
AUTO_INSTALL=yes
;;
C)
COMP_CONFS=yes
;;
P)
PRESERVE_FILES=yes
;;
p)
PRE_WORLD=yes
unset COMP_CONFS
unset AUTO_RUN
;;
m)
SOURCEDIR=${OPTARG}
;;
t)
TEMPROOT=${OPTARG}
;;
d)
TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M`
;;
u)
NEW_UMASK=${OPTARG}
;;
w)
SCREEN_WIDTH=${OPTARG}
;;
D)
DESTDIR=${OPTARG}
;;
*)
display_usage
exit 1
;;
esac
done
if [ -n "$AUTO_RUN" ]; then
if [ -n "$FREEBSD_ID" -o -n "$AUTO_UPGRADE" -o -n "$AUTO_INSTALL" ]; then
echo ''
echo "*** You have included the -a option along with one or more options"
echo ' that indicate that you wish mergemaster to actually make updates'
echo ' (-F, -U, or -i), however these options are not compatible.'
echo ' Please read mergemaster(8) for more information.'
echo ''
exit 1
fi
fi
# Assign the location of the mtree database
#
MTREEDB=${MTREEDB:-${DESTDIR}/var/db}
MTREEFILE="${MTREEDB}/mergemaster.mtree"
# Don't force the user to set this in the mergemaster rc file
if [ -n "${PRESERVE_FILES}" -a -z "${PRESERVE_FILES_DIR}" ]; then
PRESERVE_FILES_DIR=/var/tmp/mergemaster/preserved-files-`date +%y%m%d-%H%M%S`
mkdir -p ${PRESERVE_FILES_DIR}
fi
# Check for the mtree database in DESTDIR
case "${AUTO_UPGRADE}" in
'') ;; # If the option is not set no need to run the test or warn the user
*)
if [ ! -s "${MTREEFILE}" ]; then
echo ''
echo "*** Unable to find mtree database (${MTREEFILE})."
echo " Skipping auto-upgrade on this run."
echo " It will be created for the next run when this one is complete."
echo ''
case "${AUTO_RUN}" in
'')
press_to_continue
;;
esac
unset AUTO_UPGRADE
fi
;;
esac
if [ -e "${DESTDIR}/etc/fstab" ]; then
if grep -q nodev ${DESTDIR}/etc/fstab; then
echo ''
echo "*** You have the deprecated 'nodev' option in ${DESTDIR}/etc/fstab."
echo " This can prevent the filesystem from being mounted on reboot."
echo " Please update your fstab before continuing."
echo " See fstab(5) for more information."
echo ''
exit 1
fi
fi
echo ''
# If the user has a pager defined, make sure we can run it
#
case "${DONT_CHECK_PAGER}" in
'')
check_pager () {
while ! type "${PAGER%% *}" >/dev/null; do
echo " *** Your PAGER environment variable specifies '${PAGER}', but"
echo " due to the limited PATH that I use for security reasons,"
echo " I cannot execute it. So, what would you like to do?"
echo ''
echo " Use 'e' to exit mergemaster and fix your PAGER variable"
if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then
echo " Use 'l' to set PAGER to 'less' for this run"
fi
echo " Use 'm' to use plain old 'more' as your PAGER for this run"
echo ''
echo " Default is to use plain old 'more' "
echo ''
echo -n "What should I do? [Use 'more'] "
read FIXPAGER
case "${FIXPAGER}" in
[eE])
exit 0
;;
[lL])
if [ -x /usr/bin/less ]; then
PAGER=/usr/bin/less
elif [ -x /usr/local/bin/less ]; then
PAGER=/usr/local/bin/less
else
echo ''
echo " *** Fatal Error:"
echo " You asked to use 'less' as your pager, but I can't"
echo " find it in /usr/bin or /usr/local/bin"
exit 1
fi
;;
[mM]|'')
PAGER=more
;;
*)
echo ''
echo "invalid choice: ${FIXPAGER}"
esac
echo ''
done
}
if [ -n "${PAGER}" ]; then
check_pager
fi
;;
esac
# If user has a pager defined, or got assigned one above, use it.
# If not, use more.
#
PAGER=${PAGER:-more}
if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then
echo " *** You have ${PAGER} defined as your pager so we will use that"
echo ''
sleep 3
fi
# Assign the diff flag once so we will not have to keep testing it
#
DIFF_FLAG=${DIFF_FLAG:--u}
# Assign the source directory
#
SOURCEDIR=${SOURCEDIR:-/usr/src}
if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \
-f ${SOURCEDIR}/../Makefile.inc1 ]; then
echo " *** The source directory you specified (${SOURCEDIR})"
echo " will be reset to ${SOURCEDIR}/.."
echo ''
sleep 3
SOURCEDIR=${SOURCEDIR}/..
fi
# Setup make to use system files from SOURCEDIR
MM_MAKE="make ${ARCHSTRING} -m ${SOURCEDIR}/share/mk"
# Check DESTDIR against the mergemaster mtree database to see what
# files the user changed from the reference files.
#
if [ -n "${AUTO_UPGRADE}" -a -s "${MTREEFILE}" ]; then
CHANGED=:
for file in `mtree -eqL -f ${MTREEFILE} -p ${DESTDIR}/ \
2>/dev/null | awk '($2 == "changed") {print $1}'`; do
if [ -f "${DESTDIR}/$file" ]; then
CHANGED="${CHANGED}${DESTDIR}/${file}:"
fi
done
[ "$CHANGED" = ':' ] && unset CHANGED
fi
# Check the width of the user's terminal
#
if [ -t 0 ]; then
w=`tput columns`
case "${w}" in
0|'') ;; # No-op, since the input is not valid
*)
case "${SCREEN_WIDTH}" in
'') SCREEN_WIDTH="${w}" ;;
"${w}") ;; # No-op, since they are the same
*)
echo -n "*** You entered ${SCREEN_WIDTH} as your screen width, but stty "
echo "thinks it is ${w}."
echo ''
echo -n "What would you like to use? [${w}] "
read SCREEN_WIDTH
case "${SCREEN_WIDTH}" in
'') SCREEN_WIDTH="${w}" ;;
esac
;;
esac
esac
fi
# Define what CVS $Id tag to look for to aid portability.
#
CVS_ID_TAG=FreeBSD
delete_temproot () {
rm -rf "${TEMPROOT}" 2>/dev/null
chflags -R 0 "${TEMPROOT}" 2>/dev/null
rm -rf "${TEMPROOT}" || { echo "*** Unable to delete ${TEMPROOT}"; exit 1; }
}
case "${RERUN}" in
'')
# Set up the loop to test for the existence of the
# temp root directory.
#
TEST_TEMP_ROOT=yes
while [ "${TEST_TEMP_ROOT}" = "yes" ]; do
if [ -d "${TEMPROOT}" ]; then
echo "*** The directory specified for the temporary root environment,"
echo " ${TEMPROOT}, exists. This can be a security risk if untrusted"
echo " users have access to the system."
echo ''
case "${AUTO_RUN}" in
'')
echo " Use 'd' to delete the old ${TEMPROOT} and continue"
echo " Use 't' to select a new temporary root directory"
echo " Use 'e' to exit mergemaster"
echo ''
echo " Default is to use ${TEMPROOT} as is"
echo ''
echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] "
read DELORNOT
case "${DELORNOT}" in
[dD])
echo ''
echo " *** Deleting the old ${TEMPROOT}"
echo ''
delete_temproot
unset TEST_TEMP_ROOT
;;
[tT])
echo " *** Enter new directory name for temporary root environment"
read TEMPROOT
;;
[eE])
exit 0
;;
'')
echo ''
echo " *** Leaving ${TEMPROOT} intact"
echo ''
unset TEST_TEMP_ROOT
;;
*)
echo ''
echo "invalid choice: ${DELORNOT}"
echo ''
;;
esac
;;
*)
# If this is an auto-run, try a hopefully safe alternative then
# re-test anyway.
TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S`
;;
esac
else
unset TEST_TEMP_ROOT
fi
done
echo "*** Creating the temporary root environment in ${TEMPROOT}"
if mkdir -p "${TEMPROOT}"; then
echo " *** ${TEMPROOT} ready for use"
fi
if [ ! -d "${TEMPROOT}" ]; then
echo ''
echo " *** FATAL ERROR: Cannot create ${TEMPROOT}"
echo ''
exit 1
fi
echo " *** Creating and populating directory structure in ${TEMPROOT}"
echo ''
case "${VERBOSE}" in
'') ;;
*)
press_to_continue
;;
esac
case "${PRE_WORLD}" in
'')
{ cd ${SOURCEDIR} &&
case "${DESTDIR}" in
'') ;;
*)
${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs >/dev/null
;;
esac
od=${TEMPROOT}/usr/obj
${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs >/dev/null &&
MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc >/dev/null &&
MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc >/dev/null &&
MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution >/dev/null;} ||
{ echo '';
echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to";
echo " the temproot environment";
echo '';
exit 1;}
;;
*)
# Only set up files that are crucial to {build|install}world
{ mkdir -p ${TEMPROOT}/etc &&
cp -p ${SOURCEDIR}/etc/master.passwd ${TEMPROOT}/etc &&
install -p -o root -g wheel -m 0644 ${SOURCEDIR}/etc/group ${TEMPROOT}/etc;} ||
{ echo '';
echo ' *** FATAL ERROR: Cannot copy files to the temproot environment';
echo '';
exit 1;}
;;
esac
# Doing the inventory and removing files that we don't want to compare only
# makes sense if we are not doing a rerun, since we have no way of knowing
# what happened to the files during previous incarnations.
case "${VERBOSE}" in
'') ;;
*)
echo ''
echo ' *** The following files exist only in the installed version of'
echo " ${DESTDIR}/etc. In the vast majority of cases these files"
echo ' are necessary parts of the system and should not be deleted.'
echo ' However because these files are not updated by this process you'
echo ' might want to verify their status before rebooting your system.'
echo ''
press_to_continue
diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in ${DESTDIR}/etc" | ${PAGER}
echo ''
press_to_continue
;;
esac
case "${IGNORE_MOTD}" in
'') ;;
*)
echo ''
echo "*** You have the IGNORE_MOTD option set in your mergemaster rc file."
echo " This option is deprecated in favor of the IGNORE_FILES option."
echo " Please update your rc file accordingly."
echo ''
exit 1
;;
esac
# Avoid comparing the following user specified files
for file in ${IGNORE_FILES}; do
test -e ${TEMPROOT}/${file} && unlink ${TEMPROOT}/${file}
done
# We really don't want to have to deal with files like login.conf.db, pwd.db,
# or spwd.db. Instead, we want to compare the text versions, and run *_mkdb.
# Prompt the user to do so below, as needed.
#
rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd
# We only need to compare things like freebsd.cf once
find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null
# Delete stuff we do not need to keep the mtree database small,
# and to make the actual comparison faster.
find ${TEMPROOT}/usr -type l -delete 2>/dev/null
find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null
find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null
# Build the mtree database in a temporary location.
case "${PRE_WORLD}" in
'') MTREENEW=`mktemp -t mergemaster.mtree`
mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
;;
*) # We don't want to mess with the mtree database on a pre-world run or
# when re-scanning a previously-built tree.
;;
esac
;; # End of the "RERUN" test
esac
# Get ready to start comparing files
# Check umask if not specified on the command line,
# and we are not doing an autorun
#
if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then
USER_UMASK=`umask`
case "${USER_UMASK}" in
0022|022) ;;
*)
echo ''
echo " *** Your umask is currently set to ${USER_UMASK}. By default, this script"
echo " installs all files with the same user, group and modes that"
echo " they are created with by ${SOURCEDIR}/etc/Makefile, compared to"
echo " a umask of 022. This umask allows world read permission when"
echo " the file's default permissions have it."
echo ''
echo " No world permissions can sometimes cause problems. A umask of"
echo " 022 will restore the default behavior, but is not mandatory."
echo " /etc/master.passwd is a special case. Its file permissions"
echo " will be 600 (rw-------) if installed."
echo ''
echo -n "What umask should I use? [${USER_UMASK}] "
read NEW_UMASK
NEW_UMASK="${NEW_UMASK:-$USER_UMASK}"
;;
esac
echo ''
fi
CONFIRMED_UMASK=${NEW_UMASK:-0022}
#
# Warn users who still have old rc files
#
for file in atm devfs diskless1 diskless2 network network6 pccard \
serial syscons sysctl alpha amd64 i386 ia64 sparc64; do
if [ -f "${DESTDIR}/etc/rc.${file}" ]; then
OLD_RC_PRESENT=1
break
fi
done
case "${OLD_RC_PRESENT}" in
1)
echo ''
echo " *** There are elements of the old rc system in ${DESTDIR}/etc/."
echo ''
echo ' While these scripts will not hurt anything, they are not'
echo ' functional on an up to date system, and can be removed.'
echo ''
case "${AUTO_RUN}" in
'')
echo -n 'Move these files to /var/tmp/mergemaster/old_rc? [yes] '
read MOVE_OLD_RC
case "${MOVE_OLD_RC}" in
[nN]*) ;;
*)
mkdir -p /var/tmp/mergemaster/old_rc
for file in atm devfs diskless1 diskless2 network network6 pccard \
serial syscons sysctl alpha amd64 i386 ia64 sparc64; do
if [ -f "${DESTDIR}/etc/rc.${file}" ]; then
mv ${DESTDIR}/etc/rc.${file} /var/tmp/mergemaster/old_rc/
fi
done
echo ' The files have been moved'
press_to_continue
;;
esac
;;
*) ;;
esac
esac
# Use the umask/mode information to install the files
# Create directories as needed
#
install_error () {
echo "*** FATAL ERROR: Unable to install ${1} to ${2}"
echo ''
exit 1
}
do_install_and_rm () {
case "${PRESERVE_FILES}" in
[Yy][Ee][Ss])
if [ -f "${3}/${2##*/}" ]; then
mkdir -p ${PRESERVE_FILES_DIR}/${2%/*}
cp ${3}/${2##*/} ${PRESERVE_FILES_DIR}/${2%/*}
fi
;;
esac
if [ ! -d "${3}/${2##*/}" ]; then
if install -m ${1} ${2} ${3}; then
unlink ${2}
else
install_error ${2} ${3}
fi
else
install_error ${2} ${3}
fi
}
# 4095 = "obase=10;ibase=8;07777" | bc
find_mode () {
local OCTAL
OCTAL=$(( ~$(echo "obase=10; ibase=8; ${CONFIRMED_UMASK}" | bc) & 4095 &
$(echo "obase=10; ibase=8; $(stat -f "%OMp%OLp" ${1})" | bc) ))
printf "%04o\n" ${OCTAL}
}
mm_install () {
local INSTALL_DIR
INSTALL_DIR=${1#.}
INSTALL_DIR=${INSTALL_DIR%/*}
case "${INSTALL_DIR}" in
'')
INSTALL_DIR=/
;;
esac
if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then
DIR_MODE=`find_mode "${TEMPROOT}/${INSTALL_DIR}"`
install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}" ||
install_error $1 ${DESTDIR}${INSTALL_DIR}
fi
FILE_MODE=`find_mode "${1}"`
if [ ! -x "${1}" ]; then
case "${1#.}" in
/etc/mail/aliases)
NEED_NEWALIASES=yes
;;
/etc/login.conf)
NEED_CAP_MKDB=yes
;;
/etc/services)
NEED_SERVICES_MKDB=yes
;;
/etc/master.passwd)
do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}"
NEED_PWD_MKDB=yes
DONT_INSTALL=yes
;;
/.cshrc | /.profile)
local st_nlink
# install will unlink the file before it installs the new one,
# so we have to restore/create the link afterwards.
#
st_nlink=0 # In case the file does not yet exist
eval $(stat -s ${DESTDIR}${COMPFILE#.} 2>/dev/null)
do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
if [ -n "${AUTO_INSTALL}" -a $st_nlink -gt 1 ]; then
HANDLE_LINK=l
else
case "${LINK_EXPLAINED}" in
'')
echo " *** Historically BSD derived systems have had a"
echo " hard link from /.cshrc and /.profile to"
echo " their namesakes in /root. Please indicate"
echo " your preference below for bringing your"
echo " installed files up to date."
echo ''
LINK_EXPLAINED=yes
;;
esac
echo " Use 'd' to delete the temporary ${COMPFILE}"
echo " Use 'l' to delete the existing ${DESTDIR}/root/${COMPFILE##*/} and create the link"
echo ''
echo " Default is to leave the temporary file to deal with by hand"
echo ''
echo -n " How should I handle ${COMPFILE}? [Leave it to install later] "
read HANDLE_LINK
fi
case "${HANDLE_LINK}" in
[dD]*)
rm "${COMPFILE}"
echo ''
echo " *** Deleting ${COMPFILE}"
;;
[lL]*)
echo ''
unlink ${DESTDIR}/root/${COMPFILE##*/}
if ln ${DESTDIR}${COMPFILE#.} ${DESTDIR}/root/${COMPFILE##*/}; then
echo " *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully"
else
echo " *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}"
echo " *** ${COMPFILE} will remain for your consideration"
fi
;;
*)
echo " *** ${COMPFILE} will remain for your consideration"
;;
esac
return
;;
esac
case "${DONT_INSTALL}" in
'')
do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
;;
*)
unset DONT_INSTALL
;;
esac
else # File matched -x
do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
fi
return $?
}
if [ ! -d "${TEMPROOT}" ]; then
echo "*** FATAL ERROR: The temproot directory (${TEMPROOT})"
echo ' has disappeared!'
echo ''
exit 1
fi
echo ''
echo "*** Beginning comparison"
echo ''
# Pre-world does not populate /etc/rc.d.
# It is very possible that a previous run would have deleted files in
# ${TEMPROOT}/etc/rc.d, thus creating a lot of false positives.
if [ -z "${PRE_WORLD}" -a -z "${RERUN}" ]; then
echo " *** Checking ${DESTDIR}/etc/rc.d for stale files"
echo ''
cd "${DESTDIR}/etc/rc.d" &&
for file in *; do
if [ ! -e "${TEMPROOT}/etc/rc.d/${file}" ]; then
STALE_RC_FILES="${STALE_RC_FILES} ${file}"
fi
done
case "${STALE_RC_FILES}" in
''|' *')
echo ' *** No stale files found'
;;
*)
echo " *** The following files exist in ${DESTDIR}/etc/rc.d but not in"
echo " ${TEMPROOT}/etc/rc.d/:"
echo ''
echo "${STALE_RC_FILES}"
echo ''
echo ' The presence of stale files in this directory can cause the'
echo ' dreaded unpredictable results, and therefore it is highly'
echo ' recommended that you delete them.'
case "${AUTO_RUN}" in
'')
echo ''
echo -n ' *** Delete them now? [n] '
read DELETE_STALE_RC_FILES
case "${DELETE_STALE_RC_FILES}" in
[yY])
echo ' *** Deleting ... '
rm ${STALE_RC_FILES}
echo ' done.'
;;
*)
echo ' *** Files will not be deleted'
;;
esac
sleep 2
;;
*)
if [ -n "${DELETE_STALE_RC_FILES}" ]; then
echo ' *** Deleting ... '
rm ${STALE_RC_FILES}
echo ' done.'
fi
esac
;;
esac
echo ''
fi
cd "${TEMPROOT}"
if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then
. "${MM_PRE_COMPARE_SCRIPT}"
fi
# Things that were files/directories/links in one version can sometimes
# change to something else in a newer version. So we need to explicitly
# test for this, and warn the user if what we find does not match.
#
for COMPFILE in `find . | sort` ; do
if [ -e "${DESTDIR}${COMPFILE#.}" ]; then
INSTALLED_TYPE=`stat -f '%HT' ${DESTDIR}${COMPFILE#.}`
else
continue
fi
TEMPROOT_TYPE=`stat -f '%HT' $COMPFILE`
if [ ! "$TEMPROOT_TYPE" = "$INSTALLED_TYPE" ]; then
[ "$COMPFILE" = '.' ] && continue
TEMPROOT_TYPE=`echo $TEMPROOT_TYPE | tr [:upper:] [:lower:]`
INSTALLED_TYPE=`echo $INSTALLED_TYPE | tr [:upper:] [:lower:]`
echo "*** The installed file ${DESTDIR}${COMPFILE#.} has the type \"$INSTALLED_TYPE\""
echo " but the new version has the type \"$TEMPROOT_TYPE\""
echo ''
echo " How would you like to handle this?"
echo ''
echo " Use 'r' to remove ${DESTDIR}${COMPFILE#.}"
case "$TEMPROOT_TYPE" in
'symbolic link')
TARGET=`readlink $COMPFILE`
echo " and create a link to $TARGET in its place" ;;
*) echo " You will be able to install it as a \"$TEMPROOT_TYPE\"" ;;
esac
echo ''
echo " Use 'i' to ignore this"
echo ''
echo -n " How to proceed? [i] "
read ANSWER
case "$ANSWER" in
[rR]) case "${PRESERVE_FILES}" in
[Yy][Ee][Ss])
mv ${DESTDIR}${COMPFILE#.} ${PRESERVE_FILES_DIR}/ || exit 1 ;;
*) rm -rf ${DESTDIR}${COMPFILE#.} ;;
esac
case "$TEMPROOT_TYPE" in
'symbolic link') ln -sf $TARGET ${DESTDIR}${COMPFILE#.} ;;
esac ;;
*) echo ''
echo "*** See the man page about adding ${COMPFILE#.} to the list of IGNORE_FILES"
press_to_continue ;;
esac
echo ''
fi
done
for COMPFILE in `find . -type f | sort`; do
# First, check to see if the file exists in DESTDIR. If not, the
# diff_loop function knows how to handle it.
#
if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then
case "${AUTO_RUN}" in
'')
diff_loop
;;
*)
case "${AUTO_INSTALL}" in
'')
# If this is an auto run, make it official
echo " *** ${COMPFILE} will remain for your consideration"
;;
*)
diff_loop
;;
esac
;;
esac # Auto run test
continue
fi
case "${STRICT}" in
'' | [Nn][Oo])
# Compare CVS $Id's first so if the file hasn't been modified
# local changes will be ignored.
# If the files have the same $Id, delete the one in temproot so the
# user will have less to wade through if files are left to merge by hand.
#
CVSID1=`grep "[$]${CVS_ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null`
CVSID2=`grep "[$]${CVS_ID_TAG}:" ${COMPFILE} 2>/dev/null` || CVSID2=none
case "${CVSID2}" in
"${CVSID1}")
echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting"
rm "${COMPFILE}"
;;
esac
;;
esac
# If the file is still here either because the $Ids are different, the
# file doesn't have an $Id, or we're using STRICT mode; look at the diff.
#
if [ -f "${COMPFILE}" ]; then
# Do an absolute diff first to see if the files are actually different.
# If they're not different, delete the one in temproot.
#
if diff -q ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \
/dev/null 2>&1; then
echo " *** Temp ${COMPFILE} and installed are the same, deleting"
rm "${COMPFILE}"
else
# Ok, the files are different, so show the user where they differ.
# Use user's choice of diff methods; and user's pager if they have one.
# Use more if not.
# Use unified diffs by default. Context diffs give me a headache. :)
#
# If the user chose the -F option, test for that before proceeding
#
if [ -n "$FREEBSD_ID" ]; then
if diff -q -I'[$]FreeBSD.*[$]' "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \
/dev/null 2>&1; then
if mm_install "${COMPFILE}"; then
echo "*** Updated revision control Id for ${DESTDIR}${COMPFILE#.}"
else
echo "*** Problem installing ${COMPFILE}, it will remain to merge by hand later"
fi
continue
fi
fi
case "${AUTO_RUN}" in
'')
# prompt user to install/delete/merge changes
diff_loop
;;
*)
# If this is an auto run, make it official
echo " *** ${COMPFILE} will remain for your consideration"
;;
esac # Auto run test
fi # Yes, the files are different
fi # Yes, the file still remains to be checked
done # This is for the for way up there at the beginning of the comparison
echo ''
echo "*** Comparison complete"
if [ -s "${MTREENEW}" ]; then
echo "*** Saving mtree database for future upgrades"
test -e "${MTREEFILE}" && unlink ${MTREEFILE}
mv ${MTREENEW} ${MTREEFILE}
fi
echo ''
TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null`
if [ -n "${TEST_FOR_FILES}" ]; then
echo "*** Files that remain for you to merge by hand:"
find "${TEMPROOT}" -type f -size +0 | sort
echo ''
case "${AUTO_RUN}" in
'')
echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] "
read DEL_TEMPROOT
case "${DEL_TEMPROOT}" in
[yY]*)
delete_temproot
;;
*)
echo " *** ${TEMPROOT} will remain"
;;
esac
;;
*) ;;
esac
else
echo "*** ${TEMPROOT} is empty, deleting"
delete_temproot
fi
case "${AUTO_INSTALLED_FILES}" in
'') ;;
*)
case "${AUTO_RUN}" in
'')
(
echo ''
echo '*** You chose the automatic install option for files that did not'
echo ' exist on your system. The following were installed for you:'
echo "${AUTO_INSTALLED_FILES}"
) | ${PAGER}
;;
*)
echo ''
echo '*** You chose the automatic install option for files that did not'
echo ' exist on your system. The following were installed for you:'
echo "${AUTO_INSTALLED_FILES}"
;;
esac
;;
esac
case "${AUTO_UPGRADED_FILES}" in
'') ;;
*)
case "${AUTO_RUN}" in
'')
(
echo ''
echo '*** You chose the automatic upgrade option for files that you did'
echo ' not alter on your system. The following were upgraded for you:'
echo "${AUTO_UPGRADED_FILES}"
) | ${PAGER}
;;
*)
echo ''
echo '*** You chose the automatic upgrade option for files that you did'
echo ' not alter on your system. The following were upgraded for you:'
echo "${AUTO_UPGRADED_FILES}"
;;
esac
;;
esac
run_it_now () {
[ -n "$AUTO_RUN" ] && return
local answer
echo ''
while : ; do
if [ "$RUN_UPDATES" = always ]; then
answer=y
elif [ "$RUN_UPDATES" = never ]; then
answer=n
else
echo -n ' Would you like to run it now? y or n [n] '
read answer
fi
case "$answer" in
y)
echo " Running ${1}"
echo ''
eval "${1}"
return
;;
''|n)
if [ ! "$RUN_UPDATES" = never ]; then
echo ''
echo " *** Cancelled"
echo ''
fi
echo " Make sure to run ${1} yourself"
return
;;
*)
echo ''
echo " *** Sorry, I do not understand your answer (${answer})"
echo ''
esac
done
}
case "${NEED_NEWALIASES}" in
'') ;;
*)
echo ''
if [ -n "${DESTDIR}" ]; then
echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but"
echo " the newaliases command is limited to the directories configured"
echo " in sendmail.cf. Make sure to create your aliases database by"
echo " hand when your sendmail configuration is done."
else
echo "*** You installed a new aliases file, so make sure that you run"
echo " '/usr/bin/newaliases' to rebuild your aliases database"
run_it_now '/usr/bin/newaliases'
fi
;;
esac
case "${NEED_CAP_MKDB}" in
'') ;;
*)
echo ''
echo "*** You installed a login.conf file, so make sure that you run"
echo " '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'"
echo " to rebuild your login.conf database"
run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf"
;;
esac
case "${NEED_SERVICES_MKDB}" in
'') ;;
*)
echo ''
echo "*** You installed a services file, so make sure that you run"
echo " '/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services'"
echo " to rebuild your services database"
run_it_now "/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services"
;;
esac
case "${NEED_PWD_MKDB}" in
'') ;;
*)
echo ''
echo "*** You installed a new master.passwd file, so make sure that you run"
if [ -n "${DESTDIR}" ]; then
echo " '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'"
echo " to rebuild your password files"
run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd"
else
echo " '/usr/sbin/pwd_mkdb -p /etc/master.passwd'"
echo " to rebuild your password files"
run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd'
fi
;;
esac
if [ -e "${DESTDIR}/etc/localtime" ]; then # Ignore if TZ == UTC
echo ''
[ -n "${DESTDIR}" ] && tzs_args="-C ${DESTDIR}"
if [ -f "${DESTDIR}/var/db/zoneinfo" ]; then
echo "*** Reinstalling `cat ${DESTDIR}/var/db/zoneinfo` as ${DESTDIR}/etc/localtime"
tzsetup $tzs_args -r
else
echo "*** There is no ${DESTDIR}/var/db/zoneinfo file to update ${DESTDIR}/etc/localtime."
echo ' You should run tzsetup'
run_it_now "tzsetup $tzs_args"
fi
fi
echo ''
if [ -r "${MM_EXIT_SCRIPT}" ]; then
. "${MM_EXIT_SCRIPT}"
fi
case "${COMP_CONFS}" in
'') ;;
*)
. ${DESTDIR}/etc/defaults/rc.conf
(echo ''
echo "*** Comparing conf files: ${rc_conf_files}"
for CONF_FILE in ${rc_conf_files}; do
if [ -r "${DESTDIR}${CONF_FILE}" ]; then
echo ''
echo "*** From ${DESTDIR}${CONF_FILE}"
echo "*** From ${DESTDIR}/etc/defaults/rc.conf"
for RC_CONF_VAR in `grep -i ^[a-z] ${DESTDIR}${CONF_FILE} |
cut -d '=' -f 1`; do
echo ''
grep -w ^${RC_CONF_VAR} ${DESTDIR}${CONF_FILE}
grep -w ^${RC_CONF_VAR} ${DESTDIR}/etc/defaults/rc.conf ||
echo ' * No default variable with this name'
done
fi
done) | ${PAGER}
echo ''
;;
esac
case "${PRE_WORLD}" in
'') ;;
*)
MAKE_CONF="${SOURCEDIR}/share/examples/etc/make.conf"
(echo ''
echo '*** Comparing make variables'
echo ''
echo "*** From ${DESTDIR}/etc/make.conf"
echo "*** From ${MAKE_CONF}"
for MAKE_VAR in `grep -i ^[a-z] ${DESTDIR}/etc/make.conf | cut -d '=' -f 1`; do
echo ''
grep -w ^${MAKE_VAR} ${DESTDIR}/etc/make.conf
grep -w ^#${MAKE_VAR} ${MAKE_CONF} ||
echo ' * No example variable with this name'
done) | ${PAGER}
;;
esac
if [ -n "${PRESERVE_FILES}" ]; then
find -d $PRESERVE_FILES_DIR -type d -empty -delete 2>/dev/null
rmdir $PRESERVE_FILES_DIR 2>/dev/null
fi
exit 0
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