1#!/bin/sh
2
3# mergemaster
4
5# Compare files created by /usr/src/etc/Makefile (or the directory
6# the user specifies) with the currently installed copies.
7
8# Copyright (c) 1998-2012 Douglas Barton, All rights reserved
9# Please see detailed copyright below
10
11# $FreeBSD$
12
13PATH=/bin:/usr/bin:/usr/sbin
14
15display_usage () {
16  VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
17  echo "mergemaster version ${VERSION_NUMBER}"
18  echo 'Usage: mergemaster [-scrvhpCP] [-a|[-iFU]] [--run-updates=always|never]'
19  echo '    [-m /path] [-t /path] [-d] [-u N] [-w N] [-A arch] [-D /path]'
20  echo "Options:"
21  echo "  -s  Strict comparison (diff every pair of files)"
22  echo "  -c  Use context diff instead of unified diff"
23  echo "  -r  Re-run on a previously cleaned directory (skip temproot creation)"
24  echo "  -v  Be more verbose about the process, include additional checks"
25  echo "  -a  Leave all files that differ to merge by hand"
26  echo "  -h  Display more complete help"
27  echo '  -i  Automatically install files that do not exist in destination directory'
28  echo '  -p  Pre-buildworld mode, only compares crucial files'
29  echo '  -F  Install files that differ only by revision control Id ($FreeBSD)'
30  echo '  -C  Compare local rc.conf variables to the defaults'
31  echo '  -P  Preserve files that are overwritten'
32  echo "  -U  Attempt to auto upgrade files that have not been user modified"
33  echo '      ***DANGEROUS***'
34  echo '  --run-updates=  Specify always or never to run newalises, pwd_mkdb, etc.'
35  echo ''
36  echo "  -m /path/directory  Specify location of source to do the make in"
37  echo "  -t /path/directory  Specify temp root directory"
38  echo "  -d  Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)"
39  echo "  -u N  Specify a numeric umask"
40  echo "  -w N  Specify a screen width in columns to sdiff"
41  echo "  -A architecture  Alternative architecture name to pass to make"
42  echo '  -D /path/directory  Specify the destination directory to install files to'
43  echo ''
44}
45
46display_help () {
47  echo "* To specify a directory other than /var/tmp/temproot for the"
48  echo "  temporary root environment, use -t /path/to/temp/root"
49  echo "* The -w option takes a number as an argument for the column width"
50  echo "  of the screen.  The default is 80."
51  echo '* The -a option causes mergemaster to run without prompting.'
52}
53
54# Loop allowing the user to use sdiff to merge files and display the merged
55# file.
56merge_loop () {
57  case "${VERBOSE}" in
58  '') ;;
59  *)
60      echo "   *** Type h at the sdiff prompt (%) to get usage help"
61      ;;
62  esac
63  echo ''
64  MERGE_AGAIN=yes
65  while [ "${MERGE_AGAIN}" = "yes" ]; do
66    # Prime file.merged so we don't blat the owner/group id's
67    cp -p "${COMPFILE}" "${COMPFILE}.merged"
68    sdiff -o "${COMPFILE}.merged" --text --suppress-common-lines \
69      --width=${SCREEN_WIDTH:-80} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
70    INSTALL_MERGED=V
71    while [ "${INSTALL_MERGED}" = "v" -o "${INSTALL_MERGED}" = "V" ]; do
72      echo ''
73      echo "  Use 'i' to install merged file"
74      echo "  Use 'r' to re-do the merge"
75      echo "  Use 'v' to view the merged file"
76      echo "  Default is to leave the temporary file to deal with by hand"
77      echo ''
78      echo -n "    *** How should I deal with the merged file? [Leave it for later] "
79      read INSTALL_MERGED
80
81      case "${INSTALL_MERGED}" in
82      [iI])
83        mv "${COMPFILE}.merged" "${COMPFILE}"
84        echo ''
85        if mm_install "${COMPFILE}"; then
86          echo "     *** Merged version of ${COMPFILE} installed successfully"
87        else
88          echo "     *** Problem installing ${COMPFILE}, it will remain to merge by hand later"
89        fi
90        unset MERGE_AGAIN
91        ;;
92      [rR])
93        rm "${COMPFILE}.merged"
94        ;;
95      [vV])
96        ${PAGER} "${COMPFILE}.merged"
97        ;;
98      '')
99        echo "   *** ${COMPFILE} will remain for your consideration"
100        unset MERGE_AGAIN
101        ;;
102      *)
103        echo "invalid choice: ${INSTALL_MERGED}"
104        INSTALL_MERGED=V
105        ;;
106      esac
107    done
108  done
109}
110
111# Loop showing user differences between files, allow merge, skip or install
112# options
113diff_loop () {
114
115  HANDLE_COMPFILE=v
116
117  while [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" -o \
118    "${HANDLE_COMPFILE}" = "NOT V" ]; do
119    if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then
120      if [ -n "${AUTO_UPGRADE}" -a -n "${CHANGED}" ]; then
121        case "${CHANGED}" in
122        *:${DESTDIR}${COMPFILE#.}:*) ;;		# File has been modified
123        *)
124          echo ''
125          echo "  *** ${COMPFILE} has not been user modified."
126          echo ''
127
128          if mm_install "${COMPFILE}"; then
129            echo "   *** ${COMPFILE} upgraded successfully"
130            echo ''
131            # Make the list print one file per line
132            AUTO_UPGRADED_FILES="${AUTO_UPGRADED_FILES}      ${DESTDIR}${COMPFILE#.}
133"
134          else
135            echo "   *** Problem upgrading ${COMPFILE}, it will remain to merge by hand"
136          fi
137          return
138          ;;
139        esac
140      fi
141      if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then
142	echo ''
143	echo '   ======================================================================   '
144	echo ''
145        (
146          echo "  *** Displaying differences between installed version and ${COMPFILE}:"
147          echo ''
148          diff ${DIFF_FLAG} ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
149        ) | ${PAGER}
150        echo ''
151      fi
152    else
153      echo ''
154      echo "  *** There is no installed version of ${COMPFILE}"
155      echo ''
156      case "${AUTO_INSTALL}" in
157      [Yy][Ee][Ss])
158        echo ''
159        if mm_install "${COMPFILE}"; then
160          echo "   *** ${COMPFILE} installed successfully"
161          echo ''
162          # Make the list print one file per line
163          AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES}      ${DESTDIR}${COMPFILE#.}
164"
165        else
166          echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
167        fi
168        return
169        ;;
170      *)
171        NO_INSTALLED=yes
172        ;;
173      esac
174    fi
175
176    echo "  Use 'd' to delete the temporary ${COMPFILE}"
177    echo "  Use 'i' to install the temporary ${COMPFILE}"
178    case "${NO_INSTALLED}" in
179    '')
180      echo "  Use 'm' to merge the temporary and installed versions"
181      echo "  Use 'v' to view the diff results again"
182      ;;
183    esac
184    echo ''
185    echo "  Default is to leave the temporary file to deal with by hand"
186    echo ''
187    echo -n "How should I deal with this? [Leave it for later] "
188    read HANDLE_COMPFILE
189
190    case "${HANDLE_COMPFILE}" in
191    [dD])
192      rm "${COMPFILE}"
193      echo ''
194      echo "   *** Deleting ${COMPFILE}"
195      ;;
196    [iI])
197      echo ''
198      if mm_install "${COMPFILE}"; then
199        echo "   *** ${COMPFILE} installed successfully"
200      else
201        echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
202      fi
203      ;;
204    [mM])
205      case "${NO_INSTALLED}" in
206      '')
207        # interact with user to merge files
208        merge_loop
209        ;;
210      *)
211        echo ''
212        echo "   *** There is no installed version of ${COMPFILE}"
213        echo ''
214        HANDLE_COMPFILE="NOT V"
215        ;;
216      esac # End of "No installed version of file but user selected merge" test
217      ;;
218    [vV])
219      continue
220      ;;
221    '')
222      echo ''
223      echo "   *** ${COMPFILE} will remain for your consideration"
224      ;;
225    *)
226      # invalid choice, show menu again.
227      echo "invalid choice: ${HANDLE_COMPFILE}"
228      echo ''
229      HANDLE_COMPFILE="NOT V"
230      continue
231      ;;
232    esac  # End of "How to handle files that are different"
233  done
234  unset NO_INSTALLED
235  echo ''
236  case "${VERBOSE}" in
237  '') ;;
238  *)
239    sleep 3
240    ;;
241  esac
242}
243
244press_to_continue () {
245  local DISCARD
246  echo -n ' *** Press the [Enter] or [Return] key to continue '
247  read DISCARD
248}
249
250# Set the default path for the temporary root environment
251#
252TEMPROOT='/var/tmp/temproot'
253
254# Read /etc/mergemaster.rc first so the one in $HOME can override
255#
256if [ -r /etc/mergemaster.rc ]; then
257  . /etc/mergemaster.rc
258fi
259
260# Read .mergemasterrc before command line so CLI can override
261#
262if [ -r "$HOME/.mergemasterrc" ]; then
263  . "$HOME/.mergemasterrc"
264fi
265
266for var in "$@" ; do
267  case "$var" in
268  --run-updates*)
269    RUN_UPDATES=`echo ${var#--run-updates=} | tr [:upper:] [:lower:]`
270    ;;
271  *)
272    newopts="$newopts $var"
273    ;;
274  esac
275done
276
277set -- $newopts
278unset var newopts
279
280# Check the command line options
281#
282while getopts ":ascrvhipCPm:t:du:w:D:A:FU" COMMAND_LINE_ARGUMENT ; do
283  case "${COMMAND_LINE_ARGUMENT}" in
284  A)
285    ARCHSTRING='TARGET_ARCH='${OPTARG}
286    ;;
287  F)
288    FREEBSD_ID=yes
289    ;;
290  U)
291    AUTO_UPGRADE=yes
292    ;;
293  s)
294    STRICT=yes
295    unset DIFF_OPTIONS
296    ;;
297  c)
298    DIFF_FLAG='-c'
299    ;;
300  r)
301    RERUN=yes
302    ;;
303  v)
304    case "${AUTO_RUN}" in
305    '') VERBOSE=yes ;;
306    esac
307    ;;
308  a)
309    AUTO_RUN=yes
310    unset VERBOSE
311    ;;
312  h)
313    display_usage
314    display_help
315    exit 0
316    ;;
317  i)
318    AUTO_INSTALL=yes
319    ;;
320  C)
321    COMP_CONFS=yes
322    ;;
323  P)
324    PRESERVE_FILES=yes
325    ;;
326  p)
327    PRE_WORLD=yes
328    unset COMP_CONFS
329    unset AUTO_RUN
330    ;;
331  m)
332    SOURCEDIR=${OPTARG}
333    ;;
334  t)
335    TEMPROOT=${OPTARG}
336    ;;
337  d)
338    TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M`
339    ;;
340  u)
341    NEW_UMASK=${OPTARG}
342    ;;
343  w)
344    SCREEN_WIDTH=${OPTARG}
345    ;;
346  D)
347    DESTDIR=${OPTARG}
348    ;;
349  *)
350    display_usage
351    exit 1
352    ;;
353  esac
354done
355
356if [ -n "$AUTO_RUN" ]; then
357  if [ -n "$FREEBSD_ID" -o -n "$AUTO_UPGRADE" -o -n "$AUTO_INSTALL" ]; then
358    echo ''
359    echo "*** You have included the -a option along with one or more options"
360    echo '    that indicate that you wish mergemaster to actually make updates'
361    echo '    (-F, -U, or -i), however these options are not compatible.'
362    echo '    Please read mergemaster(8) for more information.'
363    echo ''
364    exit 1
365  fi
366fi
367
368# Assign the location of the mtree database
369#
370MTREEDB=${MTREEDB:-${DESTDIR}/var/db}
371MTREEFILE="${MTREEDB}/mergemaster.mtree"
372
373# Don't force the user to set this in the mergemaster rc file
374if [ -n "${PRESERVE_FILES}" -a -z "${PRESERVE_FILES_DIR}" ]; then
375  PRESERVE_FILES_DIR=/var/tmp/mergemaster/preserved-files-`date +%y%m%d-%H%M%S`
376  mkdir -p ${PRESERVE_FILES_DIR}
377fi
378
379# Check for the mtree database in DESTDIR
380case "${AUTO_UPGRADE}" in
381'') ;;	# If the option is not set no need to run the test or warn the user
382*)
383  if [ ! -s "${MTREEFILE}" ]; then
384    echo ''
385    echo "*** Unable to find mtree database (${MTREEFILE})."
386    echo "    Skipping auto-upgrade on this run."
387    echo "    It will be created for the next run when this one is complete."
388    echo ''
389    case "${AUTO_RUN}" in
390    '')
391      press_to_continue
392      ;;
393    esac
394    unset AUTO_UPGRADE
395  fi
396  ;;
397esac
398
399if [ -e "${DESTDIR}/etc/fstab" ]; then
400  if grep -q nodev ${DESTDIR}/etc/fstab; then
401    echo ''
402    echo "*** You have the deprecated 'nodev' option in ${DESTDIR}/etc/fstab."
403    echo "    This can prevent the filesystem from being mounted on reboot."
404    echo "    Please update your fstab before continuing."
405    echo "    See fstab(5) for more information."
406    echo ''
407    exit 1
408  fi
409fi
410
411echo ''
412
413# If the user has a pager defined, make sure we can run it
414#
415case "${DONT_CHECK_PAGER}" in
416'')
417check_pager () {
418  while ! type "${PAGER%% *}" >/dev/null; do
419    echo " *** Your PAGER environment variable specifies '${PAGER}', but"
420    echo "     due to the limited PATH that I use for security reasons,"
421    echo "     I cannot execute it.  So, what would you like to do?"
422    echo ''
423    echo "  Use 'e' to exit mergemaster and fix your PAGER variable"
424    echo "  Use 'l' to set PAGER to 'less' for this run"
425    echo "  Use 'm' to use plain old 'more' as your PAGER for this run"
426    echo ''
427    echo "  or you may type an absolute path to PAGER for this run"
428    echo ''
429    echo "  Default is to use 'less' "
430    echo ''
431    echo -n "What should I do? [Use 'less'] "
432    read FIXPAGER
433
434    case "${FIXPAGER}" in
435    [eE])
436       exit 0
437       ;;
438    [lL]|'')
439       PAGER=less
440       ;;
441    [mM])
442       PAGER=more
443       ;;
444    /*)
445       PAGER="$FIXPAGER"
446       ;;
447    *)
448       echo ''
449       echo "invalid choice: ${FIXPAGER}"
450    esac
451    echo ''
452  done
453}
454  if [ -n "${PAGER}" ]; then
455    check_pager
456  fi
457  ;;
458esac
459
460# If user has a pager defined, or got assigned one above, use it.
461# If not, use less.
462#
463PAGER=${PAGER:-less}
464
465if [ -n "${VERBOSE}" -a ! "${PAGER}" = "less" ]; then
466  echo " *** You have ${PAGER} defined as your pager so we will use that"
467  echo ''
468  sleep 3
469fi
470
471# Assign the diff flag once so we will not have to keep testing it
472#
473DIFF_FLAG=${DIFF_FLAG:--u}
474
475# Assign the source directory
476#
477SOURCEDIR=${SOURCEDIR:-/usr/src}
478if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \
479   -f ${SOURCEDIR}/../Makefile.inc1 ]; then
480  echo " *** The source directory you specified (${SOURCEDIR})"
481  echo "     will be reset to ${SOURCEDIR}/.."
482  echo ''
483  sleep 3
484  SOURCEDIR=${SOURCEDIR}/..
485fi
486if [ ! -f ${SOURCEDIR}/Makefile.inc1 ]; then
487    echo     "*** ${SOURCEDIR} was not found."
488    if [ -f ./Makefile.inc1 ]; then
489	echo "    Found Makefile.inc1 in the current directory."
490	echo -n "    Would you like to set SOURCEDIR to $(pwd)? [no and exit] "
491	read SRCDOT
492	case "${SRCDOT}" in
493	    [yY]*)
494		echo "    *** Setting SOURCEDIR to $(pwd)"
495		SOURCEDIR=$(pwd)
496		;;
497	    *)
498		echo "    **** No suitable ${SOURCEDIR} found, exiting"
499		exit 1
500		;;
501	esac
502    else
503	echo "    **** No suitable ${SOURCEDIR} found, exiting"
504	exit 1
505    fi
506fi
507SOURCEDIR=$(realpath "$SOURCEDIR")
508
509# Setup make to use system files from SOURCEDIR
510MM_MAKE="make ${ARCHSTRING} -m ${SOURCEDIR}/share/mk -DNO_FILEMON"
511MM_MAKE="${MM_MAKE} -j$(/sbin/sysctl -n hw.ncpu)"
512
513# Check DESTDIR against the mergemaster mtree database to see what
514# files the user changed from the reference files.
515#
516if [ -n "${AUTO_UPGRADE}" -a -s "${MTREEFILE}" ]; then
517	# Force FreeBSD 9 compatible output when available.
518	if mtree -F freebsd9 -c -p /var/empty/ > /dev/null 2>&1; then
519		MTREE_FLAVOR="-F freebsd9"
520	else
521		MTREE_FLAVOR=
522	fi
523	CHANGED=:
524	for file in `mtree -eqL ${MTREE_FLAVOR} -f ${MTREEFILE} -p ${DESTDIR}/ \
525		2>/dev/null | awk '($2 == "changed") {print $1}'`; do
526		if [ -f "${DESTDIR}/$file" ]; then
527			CHANGED="${CHANGED}${DESTDIR}/${file}:"
528		fi
529	done
530	[ "$CHANGED" = ':' ] && unset CHANGED
531fi
532
533# Check the width of the user's terminal
534#
535if [ -t 0 ]; then
536  w=`tput columns`
537  case "${w}" in
538  0|'') ;; # No-op, since the input is not valid
539  *)
540    case "${SCREEN_WIDTH}" in
541    '') SCREEN_WIDTH="${w}" ;;
542    "${w}") ;; # No-op, since they are the same
543    *)
544      echo -n "*** You entered ${SCREEN_WIDTH} as your screen width, but stty "
545      echo "thinks it is ${w}."
546      echo ''
547      echo -n "What would you like to use? [${w}] "
548      read SCREEN_WIDTH
549      case "${SCREEN_WIDTH}" in
550      '') SCREEN_WIDTH="${w}" ;;
551      esac
552      ;;
553    esac
554  esac
555fi
556
557# Define what $Id tag to look for to aid portability.
558#
559ID_TAG=FreeBSD
560
561delete_temproot () {
562  rm -rf "${TEMPROOT}" 2>/dev/null
563  chflags -R 0 "${TEMPROOT}" 2>/dev/null
564  rm -rf "${TEMPROOT}" || { echo "*** Unable to delete ${TEMPROOT}";  exit 1; }
565}
566
567case "${RERUN}" in
568'')
569  # Set up the loop to test for the existence of the
570  # temp root directory.
571  #
572  TEST_TEMP_ROOT=yes
573  while [ "${TEST_TEMP_ROOT}" = "yes" ]; do
574    if [ -d "${TEMPROOT}" ]; then
575      echo "*** The directory specified for the temporary root environment,"
576      echo "    ${TEMPROOT}, exists.  This can be a security risk if untrusted"
577      echo "    users have access to the system."
578      echo ''
579      case "${AUTO_RUN}" in
580      '')
581        echo "  Use 'd' to delete the old ${TEMPROOT} and continue"
582        echo "  Use 't' to select a new temporary root directory"
583        echo "  Use 'e' to exit mergemaster"
584        echo ''
585        echo "  Default is to use ${TEMPROOT} as is"
586        echo ''
587        echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] "
588        read DELORNOT
589
590        case "${DELORNOT}" in
591        [dD])
592          echo ''
593          echo "   *** Deleting the old ${TEMPROOT}"
594          echo ''
595          delete_temproot
596          unset TEST_TEMP_ROOT
597          ;;
598        [tT])
599          echo "   *** Enter new directory name for temporary root environment"
600          read TEMPROOT
601          ;;
602        [eE])
603          exit 0
604          ;;
605        '')
606          echo ''
607          echo "   *** Leaving ${TEMPROOT} intact"
608          echo ''
609          unset TEST_TEMP_ROOT
610          ;;
611        *)
612          echo ''
613          echo "invalid choice: ${DELORNOT}"
614          echo ''
615          ;;
616        esac
617        ;;
618      *)
619        # If this is an auto-run, try a hopefully safe alternative then
620        # re-test anyway.
621        TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S`
622        ;;
623      esac
624    else
625      unset TEST_TEMP_ROOT
626    fi
627  done
628
629  echo "*** Creating the temporary root environment in ${TEMPROOT}"
630
631  if mkdir -p "${TEMPROOT}"; then
632    echo " *** ${TEMPROOT} ready for use"
633  fi
634
635  if [ ! -d "${TEMPROOT}" ]; then
636    echo ''
637    echo "  *** FATAL ERROR: Cannot create ${TEMPROOT}"
638    echo ''
639    exit 1
640  fi
641
642  echo " *** Creating and populating directory structure in ${TEMPROOT}"
643  echo ''
644
645  case "${VERBOSE}" in
646  '') ;;
647  *)
648    press_to_continue
649    ;;
650  esac
651
652  case "${PRE_WORLD}" in
653  '')
654    { cd ${SOURCEDIR} &&
655      case "${DESTDIR}" in
656      '') ;;
657      *)
658        ${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs >/dev/null
659        ;;
660      esac
661      ${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs >/dev/null &&
662      ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc >/dev/null &&
663      ${MM_MAKE} everything SUBDIR_OVERRIDE=etc >/dev/null &&
664      ${MM_MAKE} DESTDIR=${TEMPROOT} distribution >/dev/null;} ||
665    { echo '';
666     echo "  *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to";
667      echo "      the temproot environment";
668      echo '';
669      exit 1;}
670    ;;
671  *)
672    # Only set up files that are crucial to {build|install}world
673    { mkdir -p ${TEMPROOT}/etc &&
674      cp -p ${SOURCEDIR}/etc/master.passwd ${TEMPROOT}/etc &&
675      install -p -o root -g wheel -m 0644 ${SOURCEDIR}/etc/group ${TEMPROOT}/etc;} ||
676    { echo '';
677      echo '  *** FATAL ERROR: Cannot copy files to the temproot environment';
678      echo '';
679      exit 1;}
680    ;;
681  esac
682
683  # Doing the inventory and removing files that we don't want to compare only
684  # makes sense if we are not doing a rerun, since we have no way of knowing
685  # what happened to the files during previous incarnations.
686  case "${VERBOSE}" in
687  '') ;;
688  *)
689    echo ''
690    echo ' *** The following files exist only in the installed version of'
691    echo "     ${DESTDIR}/etc.  In the vast majority of cases these files"
692    echo '     are necessary parts of the system and should not be deleted.'
693    echo '     However because these files are not updated by this process you'
694    echo '     might want to verify their status before rebooting your system.'
695    echo ''
696    press_to_continue
697    diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in ${DESTDIR}/etc" | ${PAGER}
698    echo ''
699    press_to_continue
700    ;;
701  esac
702
703  case "${IGNORE_MOTD}" in
704  '') ;;
705  *)
706     echo ''
707     echo "*** You have the IGNORE_MOTD option set in your mergemaster rc file."
708     echo "    This option is deprecated in favor of the IGNORE_FILES option."
709     echo "    Please update your rc file accordingly."
710     echo ''
711     exit 1
712     ;;
713  esac
714
715  # Avoid comparing the following user specified files
716  for file in ${IGNORE_FILES}; do
717    test -e ${TEMPROOT}/${file} && unlink ${TEMPROOT}/${file}
718  done
719
720  # We really don't want to have to deal with files like login.conf.db, pwd.db,
721  # or spwd.db.  Instead, we want to compare the text versions, and run *_mkdb.
722  # Prompt the user to do so below, as needed.
723  #
724  rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd \
725      ${TEMPROOT}/var/db/services.db
726
727  # We only need to compare things like freebsd.cf once
728  find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null
729
730  # Delete stuff we do not need to keep the mtree database small,
731  # and to make the actual comparison faster.
732  find ${TEMPROOT}/usr -type l -delete 2>/dev/null
733  find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null
734  find -d ${TEMPROOT} -type d -empty -mindepth 1 -delete 2>/dev/null
735
736  # Build the mtree database in a temporary location.
737  case "${PRE_WORLD}" in
738  '') MTREENEW=`mktemp -t mergemaster.mtree`
739      mtree -nci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
740      ;;
741  *) # We don't want to mess with the mtree database on a pre-world run or
742     # when re-scanning a previously-built tree.
743     ;;
744  esac
745  ;; # End of the "RERUN" test
746esac
747
748# Get ready to start comparing files
749
750# Check umask if not specified on the command line,
751# and we are not doing an autorun
752#
753if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then
754  USER_UMASK=`umask`
755  case "${USER_UMASK}" in
756  0022|022) ;;
757  *)
758    echo ''
759    echo " *** Your umask is currently set to ${USER_UMASK}.  By default, this script"
760    echo "     installs all files with the same user, group and modes that"
761    echo "     they are created with by ${SOURCEDIR}/etc/Makefile, compared to"
762    echo "     a umask of 022.  This umask allows world read permission when"
763    echo "     the file's default permissions have it."
764    echo ''
765    echo "     No world permissions can sometimes cause problems.  A umask of"
766    echo "     022 will restore the default behavior, but is not mandatory."
767    echo "     /etc/master.passwd is a special case.  Its file permissions"
768    echo "     will be 600 (rw-------) if installed."
769    echo ''
770    echo -n "What umask should I use? [${USER_UMASK}] "
771    read NEW_UMASK
772
773    NEW_UMASK="${NEW_UMASK:-$USER_UMASK}"
774    ;;
775  esac
776  echo ''
777fi
778
779CONFIRMED_UMASK=${NEW_UMASK:-0022}
780
781#
782# Warn users who still have old rc files
783#
784for file in atm devfs diskless1 diskless2 network network6 pccard \
785  serial syscons sysctl alpha amd64 i386 sparc64; do
786  if [ -f "${DESTDIR}/etc/rc.${file}" ]; then
787    OLD_RC_PRESENT=1
788    break
789  fi
790done
791
792case "${OLD_RC_PRESENT}" in
7931)
794  echo ''
795  echo " *** There are elements of the old rc system in ${DESTDIR}/etc/."
796  echo ''
797  echo '     While these scripts will not hurt anything, they are not'
798  echo '     functional on an up to date system, and can be removed.'
799  echo ''
800
801  case "${AUTO_RUN}" in
802  '')
803    echo -n 'Move these files to /var/tmp/mergemaster/old_rc? [yes] '
804    read MOVE_OLD_RC
805
806    case "${MOVE_OLD_RC}" in
807    [nN]*) ;;
808    *)
809      mkdir -p /var/tmp/mergemaster/old_rc
810        for file in atm devfs diskless1 diskless2 network network6 pccard \
811          serial syscons sysctl alpha amd64 i386 sparc64; do
812          if [ -f "${DESTDIR}/etc/rc.${file}" ]; then
813            mv ${DESTDIR}/etc/rc.${file} /var/tmp/mergemaster/old_rc/
814          fi
815        done
816      echo '  The files have been moved'
817      press_to_continue
818      ;;
819    esac
820    ;;
821  *) ;;
822  esac
823esac
824
825# Use the umask/mode information to install the files
826# Create directories as needed
827#
828install_error () {
829  echo "*** FATAL ERROR: Unable to install ${1} to ${2}"
830  echo ''
831  exit 1
832}
833
834do_install_and_rm () {
835  case "${PRESERVE_FILES}" in
836  [Yy][Ee][Ss])
837    if [ -f "${3}/${2##*/}" ]; then
838      mkdir -p ${PRESERVE_FILES_DIR}/${2%/*}
839      cp ${3}/${2##*/} ${PRESERVE_FILES_DIR}/${2%/*}
840    fi
841    ;;
842  esac
843
844  if [ ! -d "${3}/${2##*/}" ]; then
845    if install -m ${1} ${2} ${3}; then
846      unlink ${2}
847    else
848      install_error ${2} ${3}
849    fi
850  else
851    install_error ${2} ${3}
852  fi
853}
854
855# 4095 = "obase=10;ibase=8;07777" | bc
856find_mode () {
857  local OCTAL
858  OCTAL=$(( ~$(echo "obase=10; ibase=8; ${CONFIRMED_UMASK}" | bc) & 4095 &
859    $(echo "obase=10; ibase=8; $(stat -f "%OMp%OLp" ${1})" | bc) ))
860  printf "%04o\n" ${OCTAL}
861}
862
863mm_install () {
864  local INSTALL_DIR
865  INSTALL_DIR=${1#.}
866  INSTALL_DIR=${INSTALL_DIR%/*}
867
868  case "${INSTALL_DIR}" in
869  '')
870    INSTALL_DIR=/
871    ;;
872  esac
873
874  if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then
875    DIR_MODE=`find_mode "${TEMPROOT}/${INSTALL_DIR}"`
876    install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}" ||
877      install_error $1 ${DESTDIR}${INSTALL_DIR}
878  fi
879
880  FILE_MODE=`find_mode "${1}"`
881
882  if [ ! -x "${1}" ]; then
883    case "${1#.}" in
884    /etc/mail/aliases)
885      NEED_NEWALIASES=yes
886      ;;
887    /usr/share/certs/trusted/* | /usr/share/certs/blacklisted/*)
888      NEED_CERTCTL=yes
889      ;;
890    /etc/login.conf)
891      NEED_CAP_MKDB=yes
892      ;;
893    /etc/services)
894      NEED_SERVICES_MKDB=yes
895      ;;
896    /etc/master.passwd)
897      do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}"
898      NEED_PWD_MKDB=yes
899      DONT_INSTALL=yes
900      ;;
901    /.cshrc | /.profile)
902      local st_nlink
903
904      # install will unlink the file before it installs the new one,
905      # so we have to restore/create the link afterwards.
906      #
907      st_nlink=0		# In case the file does not yet exist
908      eval $(stat -s ${DESTDIR}${COMPFILE#.} 2>/dev/null)
909
910      do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
911
912      if [ -n "${AUTO_INSTALL}" -a $st_nlink -gt 1 ]; then
913        HANDLE_LINK=l
914      else
915        case "${LINK_EXPLAINED}" in
916        '')
917          echo "   *** Historically BSD derived systems have had a"
918          echo "       hard link from /.cshrc and /.profile to"
919          echo "       their namesakes in /root.  Please indicate"
920          echo "       your preference below for bringing your"
921          echo "       installed files up to date."
922          echo ''
923          LINK_EXPLAINED=yes
924          ;;
925        esac
926
927        echo "   Use 'd' to delete the temporary ${COMPFILE}"
928        echo "   Use 'l' to delete the existing ${DESTDIR}/root/${COMPFILE##*/} and create the link"
929        echo ''
930        echo "   Default is to leave the temporary file to deal with by hand"
931        echo ''
932        echo -n "  How should I handle ${COMPFILE}? [Leave it to install later] "
933        read HANDLE_LINK
934      fi
935
936      case "${HANDLE_LINK}" in
937      [dD]*)
938        rm "${COMPFILE}"
939        echo ''
940        echo "   *** Deleting ${COMPFILE}"
941        ;;
942      [lL]*)
943        echo ''
944        unlink ${DESTDIR}/root/${COMPFILE##*/}
945        if ln ${DESTDIR}${COMPFILE#.} ${DESTDIR}/root/${COMPFILE##*/}; then
946          echo "   *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully"
947        else
948          echo "   *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}"
949          echo "   *** ${COMPFILE} will remain for your consideration"
950        fi
951        ;;
952      *)
953        echo "   *** ${COMPFILE} will remain for your consideration"
954        ;;
955      esac
956      return
957      ;;
958    esac
959
960    case "${DONT_INSTALL}" in
961    '')
962      do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
963      ;;
964    *)
965      unset DONT_INSTALL
966      ;;
967    esac
968  else	# File matched -x
969    do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
970  fi
971  return $?
972}
973
974if [ ! -d "${TEMPROOT}" ]; then
975	echo "*** FATAL ERROR: The temproot directory (${TEMPROOT})"
976	echo '                 has disappeared!'
977	echo ''
978	exit 1
979fi
980
981echo ''
982echo "*** Beginning comparison"
983echo ''
984
985# Pre-world does not populate /etc/rc.d.
986# It is very possible that a previous run would have deleted files in
987# ${TEMPROOT}/etc/rc.d, thus creating a lot of false positives.
988if [ -z "${PRE_WORLD}" -a -z "${RERUN}" ]; then
989  echo "   *** Checking ${DESTDIR}/etc/rc.d for stale files"
990  echo ''
991  cd "${DESTDIR}/etc/rc.d" &&
992  for file in *; do
993    if [ ! -e "${TEMPROOT}/etc/rc.d/${file}" ]; then
994      STALE_RC_FILES="${STALE_RC_FILES} ${file}"
995    fi
996  done
997  case "${STALE_RC_FILES}" in
998  ''|' *')
999    echo '   *** No stale files found'
1000    ;;
1001  *)
1002    echo "   *** The following files exist in ${DESTDIR}/etc/rc.d but not in"
1003    echo "       ${TEMPROOT}/etc/rc.d/:"
1004    echo ''
1005    echo "${STALE_RC_FILES}"
1006    echo ''
1007    echo '       The presence of stale files in this directory can cause the'
1008    echo '       dreaded unpredictable results, and therefore it is highly'
1009    echo '       recommended that you delete them.'
1010    case "${AUTO_RUN}" in
1011    '')
1012      echo ''
1013      echo -n '   *** Delete them now? [n] '
1014      read DELETE_STALE_RC_FILES
1015      case "${DELETE_STALE_RC_FILES}" in
1016      [yY])
1017        echo '      *** Deleting ... '
1018        rm ${STALE_RC_FILES}
1019        echo '                       done.'
1020        ;;
1021      *)
1022        echo '      *** Files will not be deleted'
1023        ;;
1024      esac
1025      sleep 2
1026      ;;
1027    *)
1028      if [ -n "${DELETE_STALE_RC_FILES}" ]; then
1029        echo '      *** Deleting ... '
1030        rm ${STALE_RC_FILES}
1031        echo '                       done.'
1032      fi
1033    esac
1034    ;;
1035  esac
1036  echo ''
1037fi
1038
1039cd "${TEMPROOT}"
1040
1041if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then
1042  . "${MM_PRE_COMPARE_SCRIPT}"
1043fi
1044
1045# Things that were files/directories/links in one version can sometimes
1046# change to something else in a newer version.  So we need to explicitly
1047# test for this, and warn the user if what we find does not match.
1048#
1049for COMPFILE in `find . | sort` ; do
1050  if [ -e "${DESTDIR}${COMPFILE#.}" ]; then
1051    INSTALLED_TYPE=`stat -f '%HT' ${DESTDIR}${COMPFILE#.}`
1052  else
1053    continue
1054  fi
1055  TEMPROOT_TYPE=`stat -f '%HT' $COMPFILE`
1056
1057  if [ ! "$TEMPROOT_TYPE" = "$INSTALLED_TYPE" ]; then
1058    [ "$COMPFILE" = '.' ] && continue
1059    TEMPROOT_TYPE=`echo $TEMPROOT_TYPE | tr [:upper:] [:lower:]`
1060    INSTALLED_TYPE=`echo $INSTALLED_TYPE | tr [:upper:] [:lower:]`
1061
1062    echo "*** The installed file ${DESTDIR}${COMPFILE#.} has the type \"$INSTALLED_TYPE\""
1063    echo "    but the new version has the type \"$TEMPROOT_TYPE\""
1064    echo ''
1065    echo "    How would you like to handle this?"
1066    echo ''
1067    echo "    Use 'r' to remove ${DESTDIR}${COMPFILE#.}"
1068    case "$TEMPROOT_TYPE" in
1069    'symbolic link')
1070	TARGET=`readlink $COMPFILE`
1071	echo "    and create a link to $TARGET in its place" ;;
1072    *)	echo "    You will be able to install it as a \"$TEMPROOT_TYPE\"" ;;
1073    esac
1074    echo ''
1075    echo "    Use 'i' to ignore this"
1076    echo ''
1077    echo -n "    How to proceed? [i] "
1078    read ANSWER
1079    case "$ANSWER" in
1080    [rR])	case "${PRESERVE_FILES}" in
1081		[Yy][Ee][Ss])
1082		mv ${DESTDIR}${COMPFILE#.} ${PRESERVE_FILES_DIR}/ || exit 1 ;;
1083		*) rm -rf ${DESTDIR}${COMPFILE#.} ;;
1084		esac
1085		case "$TEMPROOT_TYPE" in
1086		'symbolic link') ln -sf $TARGET ${DESTDIR}${COMPFILE#.} ;;
1087		esac ;;
1088    *)	echo ''
1089        echo "*** See the man page about adding ${COMPFILE#.} to the list of IGNORE_FILES"
1090        press_to_continue ;;
1091    esac
1092    echo ''
1093  fi
1094done
1095
1096for COMPFILE in `find . -type f | sort`; do
1097
1098  # First, check to see if the file exists in DESTDIR.  If not, the
1099  # diff_loop function knows how to handle it.
1100  #
1101  if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then
1102    case "${AUTO_RUN}" in
1103      '')
1104        diff_loop
1105        ;;
1106      *)
1107        case "${AUTO_INSTALL}" in
1108        '')
1109          # If this is an auto run, make it official
1110          echo "   *** ${COMPFILE} will remain for your consideration"
1111          ;;
1112        *)
1113          diff_loop
1114          ;;
1115        esac
1116        ;;
1117    esac # Auto run test
1118    continue
1119  fi
1120
1121  case "${STRICT}" in
1122  '' | [Nn][Oo])
1123    # Compare $Id's first so if the file hasn't been modified
1124    # local changes will be ignored.
1125    # If the files have the same $Id, delete the one in temproot so the
1126    # user will have less to wade through if files are left to merge by hand.
1127    #
1128    ID1=`grep "[$]${ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null`
1129    ID2=`grep "[$]${ID_TAG}:" ${COMPFILE} 2>/dev/null` || ID2=none
1130
1131    case "${ID2}" in
1132    "${ID1}")
1133      echo " *** Temp ${COMPFILE} and installed have the same Id, deleting"
1134      rm "${COMPFILE}"
1135      ;;
1136    esac
1137    ;;
1138  esac
1139
1140  # If the file is still here either because the $Ids are different, the
1141  # file doesn't have an $Id, or we're using STRICT mode; look at the diff.
1142  #
1143  if [ -f "${COMPFILE}" ]; then
1144
1145    # Do an absolute diff first to see if the files are actually different.
1146    # If they're not different, delete the one in temproot.
1147    #
1148    if diff -q ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \
1149      /dev/null 2>&1; then
1150      echo " *** Temp ${COMPFILE} and installed are the same, deleting"
1151      rm "${COMPFILE}"
1152    else
1153      # Ok, the files are different, so show the user where they differ.
1154      # Use user's choice of diff methods; and user's pager if they have one.
1155      # Use less if not.
1156      # Use unified diffs by default.  Context diffs give me a headache. :)
1157      #
1158      # If the user chose the -F option, test for that before proceeding
1159      #
1160      if [ -n "$FREEBSD_ID" ]; then
1161        if diff -q -I'[$]FreeBSD.*[$]' "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \
1162            /dev/null 2>&1; then
1163          if mm_install "${COMPFILE}"; then
1164            echo "*** Updated revision control Id for ${DESTDIR}${COMPFILE#.}"
1165          else
1166            echo "*** Problem installing ${COMPFILE}, it will remain to merge by hand later"
1167          fi
1168          continue
1169        fi
1170      fi
1171      case "${AUTO_RUN}" in
1172      '')
1173        # prompt user to install/delete/merge changes
1174        diff_loop
1175        ;;
1176      *)
1177        # If this is an auto run, make it official
1178        echo "   *** ${COMPFILE} will remain for your consideration"
1179        ;;
1180      esac # Auto run test
1181    fi # Yes, the files are different
1182  fi # Yes, the file still remains to be checked
1183done # This is for the for way up there at the beginning of the comparison
1184
1185echo ''
1186echo "*** Comparison complete"
1187
1188if [ -s "${MTREENEW}" ]; then
1189  echo "*** Saving mtree database for future upgrades"
1190  test -e "${MTREEFILE}" && unlink ${MTREEFILE}
1191  mv ${MTREENEW} ${MTREEFILE}
1192fi
1193
1194echo ''
1195
1196TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null`
1197if [ -n "${TEST_FOR_FILES}" ]; then
1198  echo "*** Files that remain for you to merge by hand:"
1199  find "${TEMPROOT}" -type f -size +0 | sort
1200  echo ''
1201
1202  case "${AUTO_RUN}" in
1203  '')
1204    echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] "
1205    read DEL_TEMPROOT
1206    case "${DEL_TEMPROOT}" in
1207    [yY]*)
1208      delete_temproot
1209      ;;
1210    *)
1211      echo " *** ${TEMPROOT} will remain"
1212      ;;
1213    esac
1214    ;;
1215  *) ;;
1216  esac
1217else
1218  echo "*** ${TEMPROOT} is empty, deleting"
1219  delete_temproot
1220fi
1221
1222case "${AUTO_INSTALLED_FILES}" in
1223'') ;;
1224*)
1225  case "${AUTO_RUN}" in
1226  '')
1227    (
1228      echo ''
1229      echo '*** You chose the automatic install option for files that did not'
1230      echo '    exist on your system.  The following were installed for you:'
1231      echo "${AUTO_INSTALLED_FILES}"
1232    ) | ${PAGER}
1233    ;;
1234  *)
1235    echo ''
1236    echo '*** You chose the automatic install option for files that did not'
1237    echo '    exist on your system.  The following were installed for you:'
1238    echo "${AUTO_INSTALLED_FILES}"
1239    ;;
1240  esac
1241  ;;
1242esac
1243
1244case "${AUTO_UPGRADED_FILES}" in
1245'') ;;
1246*)
1247  case "${AUTO_RUN}" in
1248  '')
1249    (
1250      echo ''
1251      echo '*** You chose the automatic upgrade option for files that you did'
1252      echo '    not alter on your system.  The following were upgraded for you:'
1253      echo "${AUTO_UPGRADED_FILES}"
1254    ) | ${PAGER}
1255    ;;
1256  *)
1257    echo ''
1258    echo '*** You chose the automatic upgrade option for files that you did'
1259    echo '    not alter on your system.  The following were upgraded for you:'
1260    echo "${AUTO_UPGRADED_FILES}"
1261    ;;
1262  esac
1263  ;;
1264esac
1265
1266run_it_now () {
1267  [ -n "$AUTO_RUN" ] && return
1268
1269  local answer
1270
1271  echo ''
1272  while : ; do
1273    if [ "$RUN_UPDATES" = always ]; then
1274      answer=y
1275    elif [ "$RUN_UPDATES" = never ]; then
1276      answer=n
1277    else
1278      echo -n '    Would you like to run it now? y or n [n] '
1279      read answer
1280    fi
1281
1282    case "$answer" in
1283    y)
1284      echo "    Running ${1}"
1285      echo ''
1286      eval "${1}"
1287      return
1288      ;;
1289    ''|n)
1290      if [ ! "$RUN_UPDATES" = never ]; then
1291        echo ''
1292        echo "       *** Cancelled"
1293        echo ''
1294      fi
1295      echo "    Make sure to run ${1} yourself"
1296      return
1297      ;;
1298    *)
1299      echo ''
1300      echo "       *** Sorry, I do not understand your answer (${answer})"
1301      echo ''
1302    esac
1303  done
1304}
1305
1306case "${NEED_NEWALIASES}" in
1307'') ;;
1308*)
1309  echo ''
1310  if [ -n "${DESTDIR}" ]; then
1311    echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but"
1312    echo "    the newaliases command is limited to the directories configured"
1313    echo "    in sendmail.cf.  Make sure to create your aliases database by"
1314    echo "    hand when your sendmail configuration is done."
1315  else
1316    echo "*** You installed a new aliases file, so make sure that you run"
1317    echo "    '/usr/bin/newaliases' to rebuild your aliases database"
1318    run_it_now '/usr/bin/newaliases'
1319  fi
1320  ;;
1321esac
1322
1323case "${NEED_CAP_MKDB}" in
1324'') ;;
1325*)
1326  echo ''
1327  echo "*** You installed a login.conf file, so make sure that you run"
1328  echo "    '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'"
1329  echo "     to rebuild your login.conf database"
1330  run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf"
1331  ;;
1332esac
1333
1334case "${NEED_SERVICES_MKDB}" in
1335'') ;;
1336*)
1337  echo ''
1338  echo "*** You installed a services file, so make sure that you run"
1339  echo "    '/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services'"
1340  echo "     to rebuild your services database"
1341  run_it_now "/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services"
1342  ;;
1343esac
1344
1345case "${NEED_PWD_MKDB}" in
1346'') ;;
1347*)
1348  echo ''
1349  echo "*** You installed a new master.passwd file, so make sure that you run"
1350  if [ -n "${DESTDIR}" ]; then
1351    echo "    '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'"
1352    echo "    to rebuild your password files"
1353    run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd"
1354  else
1355    echo "    '/usr/sbin/pwd_mkdb -p /etc/master.passwd'"
1356    echo "     to rebuild your password files"
1357    run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd'
1358  fi
1359  ;;
1360esac
1361
1362case "${NEED_CERTCTL}" in
1363'') ;;
1364*)
1365  echo ''
1366  echo "*** You installed files in /etc/ssl/certs, so make sure that you run"
1367  if [ -n "${DESTDIR}" ]; then
1368    echo "    'env DESTDIR=${DESTDIR} /usr/sbin/certctl rehash'"
1369    echo "     to rebuild your certificate authority database"
1370    run_it_now "env DESTDIR=${DESTDIR} /usr/sbin/certctl rehash"
1371  else
1372    echo "    '/usr/sbin/certctl rehash'"
1373    echo "     to rebuild your certificate authority database"
1374    run_it_now "/usr/sbin/certctl rehash"
1375  fi
1376  ;;
1377esac
1378
1379if [ -e "${DESTDIR}/etc/localtime" -a ! -L "${DESTDIR}/etc/localtime" -a -z "${PRE_WORLD}" ]; then	# Ignore if TZ == UTC
1380  echo ''
1381  [ -n "${DESTDIR}" ] && tzs_args="-C ${DESTDIR}"
1382  if [ -f "${DESTDIR}/var/db/zoneinfo" ]; then
1383    echo "*** Reinstalling `cat ${DESTDIR}/var/db/zoneinfo` as ${DESTDIR}/etc/localtime"
1384    tzsetup $tzs_args -r
1385  else
1386    echo "*** There is no ${DESTDIR}/var/db/zoneinfo file to update ${DESTDIR}/etc/localtime."
1387    echo '    You should run tzsetup'
1388    run_it_now "tzsetup $tzs_args"
1389  fi
1390fi
1391
1392echo ''
1393
1394if [ -r "${MM_EXIT_SCRIPT}" ]; then
1395  . "${MM_EXIT_SCRIPT}"
1396fi
1397
1398case "${COMP_CONFS}" in
1399'') ;;
1400*)
1401  . ${DESTDIR}/etc/defaults/rc.conf
1402
1403  (echo ''
1404  echo "*** Comparing conf files: ${rc_conf_files}"
1405
1406  for CONF_FILE in ${rc_conf_files}; do
1407    if [ -r "${DESTDIR}${CONF_FILE}" ]; then
1408      echo ''
1409      echo "*** From ${DESTDIR}${CONF_FILE}"
1410      echo "*** From ${DESTDIR}/etc/defaults/rc.conf"
1411
1412      for RC_CONF_VAR in `grep -i ^[a-z] ${DESTDIR}${CONF_FILE} |
1413        cut -d '=' -f 1`; do
1414        echo ''
1415        grep -w ^${RC_CONF_VAR} ${DESTDIR}${CONF_FILE}
1416        grep -w ^${RC_CONF_VAR} ${DESTDIR}/etc/defaults/rc.conf ||
1417          echo ' * No default variable with this name'
1418      done
1419    fi
1420  done) | ${PAGER}
1421  echo ''
1422  ;;
1423esac
1424
1425if [ -n "${PRESERVE_FILES}" ]; then
1426  find -d $PRESERVE_FILES_DIR -type d -empty -delete 2>/dev/null
1427  rmdir $PRESERVE_FILES_DIR 2>/dev/null
1428fi
1429
1430exit 0
1431
1432#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1433
1434#  Copyright (c) 1998-2012 Douglas Barton
1435#  All rights reserved.
1436#
1437#  Redistribution and use in source and binary forms, with or without
1438#  modification, are permitted provided that the following conditions
1439#  are met:
1440#  1. Redistributions of source code must retain the above copyright
1441#     notice, this list of conditions and the following disclaimer.
1442#  2. Redistributions in binary form must reproduce the above copyright
1443#     notice, this list of conditions and the following disclaimer in the
1444#     documentation and/or other materials provided with the distribution.
1445#
1446#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1447#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1448#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1449#  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1450#  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1451#  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1452#  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1453#  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1454#  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1455#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1456#  SUCH DAMAGE.
1457