mergemaster.sh revision 67949
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 1998-2000 Douglas Barton
9# Doug@gorean.org
10
11# $FreeBSD: head/usr.sbin/mergemaster/mergemaster.sh 67949 2000-10-30 10:33:51Z dougb $
12
13PATH=/bin:/usr/bin:/usr/sbin:/sbin
14
15display_usage () {
16  VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
17  echo "mergemaster version ${VERSION_NUMBER}"
18  echo 'Usage: mergemaster [-scrvahi] [-m /path]'
19  echo '         [-t /path] [-d] [-u N] [-w N] [-D /path]'
20  echo "Options:"
21  echo "  -s  Strict comparison (diff every pair of files)"
22  echo "  -c  Use context diff instead of unified diff"
23  echo "  -r  Re-run on a previously cleaned directory (skip temproot creation)"
24  echo "  -v  Be more verbose about the process, include additional checks"
25  echo "  -a  Leave all files that differ to merge by hand"
26  echo "  -h  Display more complete help"
27  echo '  -i  Automatically install files that do not exist in destination directory'
28  echo "  -m /path/directory  Specify location of source to do the make in"
29  echo "  -t /path/directory  Specify temp root directory"
30  echo "  -d  Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)"
31  echo "  -u N  Specify a numeric umask"
32  echo "  -w N  Specify a screen width in columns to sdiff"
33  echo '  -D /path/directory  Specify the destination directory to install files to'
34  echo ''
35}
36
37display_help () {
38  echo "* To specify a directory other than /var/tmp/temproot for the"
39  echo "  temporary root environment, use -t /path/to/temp/root"
40  echo "* The -w option takes a number as an argument for the column width"
41  echo "  of the screen.  The default is 80."
42  echo '* The -a option causes mergemaster to run without prompting.'
43}
44
45# Loop allowing the user to use sdiff to merge files and display the merged
46# file.
47merge_loop () {
48  case "${VERBOSE}" in
49  '') ;;
50  *)
51      echo "   *** Type h at the sdiff prompt (%) to get usage help"
52      ;;
53  esac
54  echo ''
55  MERGE_AGAIN=yes
56  while [ "${MERGE_AGAIN}" = "yes" ]; do
57    # Prime file.merged so we don't blat the owner/group id's
58    cp -p "${COMPFILE}" "${COMPFILE}.merged"
59    sdiff -o "${COMPFILE}.merged" --text --suppress-common-lines \
60      --width=${SCREEN_WIDTH:-80} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
61    INSTALL_MERGED=V
62    while [ "${INSTALL_MERGED}" = "v" -o "${INSTALL_MERGED}" = "V" ]; do
63      echo ''
64      echo "  Use 'i' to install merged file"
65      echo "  Use 'r' to re-do the merge"
66      echo "  Use 'v' to view the merged file"
67      echo "  Default is to leave the temporary file to deal with by hand"
68      echo ''
69      echo -n "    *** How should I deal with the merged file? [Leave it for later] "
70      read INSTALL_MERGED
71
72      case "${INSTALL_MERGED}" in
73      [iI])
74        mv "${COMPFILE}.merged" "${COMPFILE}"
75        echo ''
76        if mm_install "${COMPFILE}"; then
77          echo "     *** Merged version of ${COMPFILE} installed successfully"
78        else
79          echo "     *** Problem installing ${COMPFILE}, it will remain to merge by hand later"
80        fi
81        unset MERGE_AGAIN
82        ;;
83      [rR])
84        rm "${COMPFILE}.merged"
85        ;;
86      [vV])
87        ${PAGER} "${COMPFILE}.merged"
88        ;;
89      '')
90        echo "   *** ${COMPFILE} will remain for your consideration"
91        unset MERGE_AGAIN
92        ;;
93      *)
94        echo "invalid choice: ${INSTALL_MERGED}"
95        INSTALL_MERGED=V
96        ;;
97      esac
98    done
99  done
100}
101
102# Loop showing user differences between files, allow merge, skip or install
103# options
104diff_loop () {
105
106  HANDLE_COMPFILE=v
107
108  while [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" -o "${HANDLE_COMPFILE}" = "NOT V" ]; do
109    if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then
110      if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then
111        (
112          echo ''
113          echo "  *** Displaying differences between ${COMPFILE} and installed version:"
114          echo ''
115          diff "${DIFF_FLAG}" "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
116        ) | ${PAGER}
117        echo ''
118      fi
119    else
120      echo ''
121      echo "  *** There is no installed version of ${COMPFILE}"
122      case "${AUTO_INSTALL}" in
123      [Yy][Ee][Ss])
124        echo ''
125        if mm_install "${COMPFILE}"; then
126          echo "   *** ${COMPFILE} installed successfully"
127          # Make the list print one file per line
128          AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES}      ${DESTDIR}${COMPFILE#.}
129"
130        else
131          echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
132        fi
133        return
134        ;;
135      *)
136        NO_INSTALLED=yes
137        ;;
138      esac
139    fi
140
141    echo "  Use 'd' to delete the temporary ${COMPFILE}"
142    echo "  Use 'i' to install the temporary ${COMPFILE}"
143    case "${NO_INSTALLED}" in
144    '')
145      echo "  Use 'm' to merge the old and new versions"
146      echo "  Use 'v' to view to differences between the old and new versions again"
147      ;;
148    esac
149    echo ''
150    echo "  Default is to leave the temporary file to deal with by hand"
151    echo ''
152    echo -n "How should I deal with this? [Leave it for later] "
153    read HANDLE_COMPFILE
154
155    case "${HANDLE_COMPFILE}" in
156    [dD])
157      rm "${COMPFILE}"
158      echo ''
159      echo "   *** Deleting ${COMPFILE}"
160      ;;
161    [iI])
162      echo ''
163      if mm_install "${COMPFILE}"; then
164        echo "   *** ${COMPFILE} installed successfully"
165      else
166        echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
167      fi
168      ;;
169    [mM])
170      case "${NO_INSTALLED}" in
171      '')
172        # interact with user to merge files
173        merge_loop
174        ;;
175      *)
176        echo ''
177        echo "   *** There is no installed version of ${COMPFILE}"
178        echo ''
179        HANDLE_COMPFILE="NOT V"
180        ;;
181      esac # End of "No installed version of file but user selected merge" test
182      ;;
183    [vV])
184      continue
185      ;;
186    '')
187      echo ''
188      echo "   *** ${COMPFILE} will remain for your consideration"
189      ;;
190    *)
191      # invalid choice, show menu again.
192      echo "invalid choice: ${HANDLE_COMPFILE}"
193      echo ''
194      HANDLE_COMPFILE="NOT V"
195      continue
196      ;;
197    esac  # End of "How to handle files that are different"
198  done
199  unset NO_INSTALLED
200  echo ''
201  case "${VERBOSE}" in
202  '') ;;
203  *)
204    sleep 3
205    ;;
206  esac
207}
208
209# Set the default path for the temporary root environment
210#
211TEMPROOT='/var/tmp/temproot'
212
213# Read .mergemasterrc before command line so CLI can override
214#
215if [ -r "$HOME/.mergemasterrc" ]; then
216  . "$HOME/.mergemasterrc"
217fi
218
219# Check the command line options
220#
221while getopts ":ascrvhim:t:du:w:D:" COMMAND_LINE_ARGUMENT ; do
222  case "${COMMAND_LINE_ARGUMENT}" in
223  s)
224    STRICT=yes
225    ;;
226  c)
227    DIFF_FLAG='-c'
228    ;;
229  r)
230    RERUN=yes
231    ;;
232  v)
233    case "${AUTO_RUN}" in
234    '') VERBOSE=yes ;;
235    esac
236    ;;
237  a)
238    AUTO_RUN=yes
239    unset VERBOSE
240    ;;
241  h)
242    display_usage
243    display_help
244    exit 0
245    ;;
246  i)
247    AUTO_INSTALL=yes
248    ;;
249  m)
250    SOURCEDIR=${OPTARG}
251    ;;
252  t)
253    TEMPROOT=${OPTARG}
254    ;;
255  d)
256    TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M`
257    ;;
258  u)
259    NEW_UMASK=${OPTARG}
260    ;;
261  w)
262    SCREEN_WIDTH=${OPTARG}
263    ;;
264  D)
265    DESTDIR=${OPTARG}
266    ;;
267  *)
268    display_usage
269    exit 1
270    ;;
271  esac
272done
273
274echo ''
275
276# If the user has a pager defined, make sure we can run it
277#
278case "${DONT_CHECK_PAGER}" in
279'')
280  while ! type "${PAGER%% *}" >/dev/null && [ -n "${PAGER}" ]; do
281    echo " *** Your PAGER environment variable specifies '${PAGER}', but"
282    echo "     due to the limited PATH that I use for security reasons,"
283    echo "     I cannot execute it.  So, what would you like to do?"
284    echo ''
285    echo "  Use 'e' to exit mergemaster and fix your PAGER variable"
286    if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then
287    echo "  Use 'l' to set PAGER to 'less' for this run"
288    fi
289    echo "  Use 'm' to use plain old 'more' as your PAGER for this run"
290    echo ''
291    echo "  Default is to use plain old 'more' "
292    echo ''
293    echo -n "What should I do? [Use 'more'] "
294    read FIXPAGER
295
296    case "${FIXPAGER}" in
297    [eE])
298       exit 0
299       ;;
300    [lL])
301       if [ -x /usr/bin/less ]; then
302         PAGER=/usr/bin/less
303       elif [ -x /usr/local/bin/less ]; then
304         PAGER=/usr/local/bin/less
305       else
306         echo ''
307         echo " *** Fatal Error:"
308         echo "     You asked to use 'less' as your pager, but I can't"
309         echo "     find it in /usr/bin or /usr/local/bin"
310         exit 1
311       fi
312       ;;
313    [mM]|'')
314       PAGER=more
315       ;;
316    *)
317       echo ''
318       echo "invalid choice: ${FIXPAGER}"
319    esac
320    echo ''
321  done
322  ;;
323esac
324
325# If user has a pager defined, or got assigned one above, use it.
326# If not, use more.
327#
328PAGER=${PAGER:-more}
329
330if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then
331  echo " *** You have ${PAGER} defined as your pager so we will use that"
332  echo ''
333  sleep 3
334fi
335
336# Assign the diff flag once so we will not have to keep testing it
337#
338DIFF_FLAG=${DIFF_FLAG:--u}
339
340# Assign the source directory
341#
342SOURCEDIR=${SOURCEDIR:-/usr/src/etc}
343
344case "${RERUN}" in
345'')
346  # Set up the loop to test for the existence of the
347  # temp root directory.
348  #
349  TEST_TEMP_ROOT=yes
350  while [ "${TEST_TEMP_ROOT}" = "yes" ]; do
351    if [ -d "${TEMPROOT}" ]; then
352      echo "*** The directory specified for the temporary root environment,"
353      echo "    ${TEMPROOT}, exists.  This can be a security risk if untrusted"
354      echo "    users have access to the system."
355      echo ''
356      case "${AUTO_RUN}" in
357      '')
358        echo "  Use 'd' to delete the old ${TEMPROOT} and continue"
359        echo "  Use 't' to select a new temporary root directory"
360        echo "  Use 'e' to exit mergemaster"
361        echo ''
362        echo "  Default is to use ${TEMPROOT} as is"
363        echo ''
364        echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] "
365        read DELORNOT
366
367        case "${DELORNOT}" in
368        [dD])
369          echo ''
370          echo "   *** Deleting the old ${TEMPROOT}"
371          echo ''
372          rm -rf "${TEMPROOT}"
373          unset TEST_TEMP_ROOT
374          ;;
375        [tT])
376          echo "   *** Enter new directory name for temporary root environment"
377          read TEMPROOT
378          ;;
379        [eE])
380          exit 0
381          ;;
382        '')
383          echo ''
384          echo "   *** Leaving ${TEMPROOT} intact"
385          echo ''
386          unset TEST_TEMP_ROOT
387          ;;
388        *)
389          echo ''
390          echo "invalid choice: ${DELORNOT}"
391          echo ''
392          ;;
393        esac
394        ;;
395      *)
396        # If this is an auto-run, try a hopefully safe alternative then re-test anyway
397        TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S`
398        ;;
399      esac
400    else
401      unset TEST_TEMP_ROOT
402    fi
403  done
404
405  echo "*** Creating the temporary root environment in ${TEMPROOT}"
406
407  if mkdir -p "${TEMPROOT}"; then
408    echo " *** ${TEMPROOT} ready for use"
409  fi
410
411  if [ ! -d "${TEMPROOT}" ]; then
412    echo ''
413    echo "  *** FATAL ERROR: Cannot create ${TEMPROOT}"
414    echo ''
415    exit 1
416  fi
417
418  echo " *** Creating and populating directory structure in ${TEMPROOT}"
419  echo ''
420
421  case "${VERBOSE}" in
422  '') ;;
423  *)
424    echo " *** Press [Enter] or [Return] key to continue"
425    read ANY_KEY
426    unset ANY_KEY
427    ;;
428  esac
429
430  { cd ${SOURCEDIR} &&
431    make DESTDIR=${DESTDIR} distrib-dirs &&
432    make DESTDIR=${TEMPROOT} distrib-dirs &&
433    make DESTDIR=${TEMPROOT} -DNO_MAKEDEV distribution;} ||
434  { echo '';
435    echo "  *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to the";
436    echo "      temproot environment";
437    echo '';
438    exit 1;}
439
440  # Doing the inventory and removing files that we don't want to compare only makes
441  # sense if we are not doing a rerun, since we have no way of knowing what happened
442  # to the files during previous incarnations.
443  case "${VERBOSE}" in
444  '') ;;
445  *)
446    echo ''
447    echo ' *** The following files exist only in the installed version of'
448    echo "     ${DESTDIR}/etc.  In the vast majority of cases these files"
449    echo '     are necessary parts of the system and should not be deleted.'
450    echo '     However because these files are not updated by this process you'
451    echo '     might want to verify their status before rebooting your system.'
452    echo ''
453    echo ' *** Press [Enter] or [Return] key to continue'
454    read ANY_KEY
455    unset ANY_KEY
456    diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in /etc" | ${PAGER}
457    echo ''
458    echo ' *** Press [Enter] or [Return] key to continue'
459    read ANY_KEY
460    unset ANY_KEY
461    ;;
462  esac
463
464  # We really don't want to have to deal with these files, since
465  # master.passwd is the real file that should be compared, then
466  # the user should run pwd_mkdb if necessary.
467  #
468  rm ${TEMPROOT}/etc/spwd.db ${TEMPROOT}/etc/passwd ${TEMPROOT}/etc/pwd.db
469
470  # Avoid comparing the motd if the user specifies it in .mergemasterrc
471  case "${IGNORE_MOTD}" in
472  '') ;;
473  *) rm ${TEMPROOT}/etc/motd
474     ;;
475  esac
476
477  # Avoid trying to update MAKEDEV if /dev is on a devfs
478  if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
479    rm ${TEMPROOT}/dev/MAKEDEV ${TEMPROOT}/dev/MAKEDEV.local
480  fi
481
482  ;; # End of the "RERUN" test
483esac
484
485# Get ready to start comparing files
486
487# Check umask if not specified on the command line,
488# and we are not doing an autorun
489#
490if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then
491  USER_UMASK=`umask`
492  case "${USER_UMASK}" in
493  0022) ;;
494  *)
495    echo ''
496    echo " *** Your umask is currently set to ${USER_UMASK}.  By default, this script"
497    echo "     installs all files with the same user, group and modes that"
498    echo "     they are created with by ${SOURCEDIR}/Makefile, compared to"
499    echo "     a umask of 022.  This umask allows world read permission when"
500    echo "     the file's default permissions have it."
501    echo "     No world permissions can sometimes cause problems.  A umask of"
502    echo "     022 will restore the default behavior, but is not mandatory."
503    echo "     /etc/master.passwd is a special case.  Its file permissions"
504    echo "     will be 600 (rw-------) if installed."
505    echo ''
506    echo -n "What umask should I use? [${USER_UMASK}] "
507    read NEW_UMASK
508
509    NEW_UMASK="${NEW_UMASK:-$USER_UMASK}"
510    ;;
511  esac
512  echo ''
513fi
514
515CONFIRMED_UMASK=${NEW_UMASK:-0022}
516
517# Warn users who still have ${DESTDIR}/etc/sysconfig
518#
519if [ -e "${DESTDIR}/etc/sysconfig" ]; then
520  echo ''
521  echo " *** There is a sysconfig file on this system in ${DESTDIR}/etc/."
522  echo ''
523  echo '     Starting with FreeBSD version 2.2.2 those settings moved from'
524  echo '     /etc/sysconfig to /etc/rc.conf.  If you are upgrading an older'
525  echo '     system make sure that you transfer your settings by hand from'
526  echo '     sysconfig to rc.conf and install the rc.conf file.  If you'
527  echo '     have already made this transition, you should consider'
528  echo '     renaming or deleting the sysconfig file.'
529  echo ''
530  case "${AUTO_RUN}" in
531  '')
532    echo -n "Continue with the merge process? [yes] "
533    read CONT_OR_NOT
534
535    case "${CONT_OR_NOT}" in
536    [nN]*)
537      exit 0
538      ;;
539    *)
540      echo "   *** Continuing"
541      echo ''
542      ;;
543    esac
544    ;;
545  *) ;;
546  esac
547fi
548
549# Use the umask/mode information to install the files
550# Create directories as needed
551#
552mm_install () {
553  local INSTALL_DIR
554  INSTALL_DIR=${1#.}
555  INSTALL_DIR=${INSTALL_DIR%/*}
556
557  case "${INSTALL_DIR}" in
558  '')
559    INSTALL_DIR=/
560    ;;
561  esac
562
563  if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then
564    DIR_MODE=`perl -e 'printf "%04o\n", (((stat("$ARGV[0]"))[2] & 07777) &~ oct("$ARGV[1]"))' "${TEMPROOT}/${INSTALL_DIR}" "${CONFIRMED_UMASK}"`
565    install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}"
566  fi
567
568  FILE_MODE=`perl -e 'printf "%04o\n", (((stat("$ARGV[0]"))[2] & 07777) &~ oct("$ARGV[1]"))' "${1}" "${CONFIRMED_UMASK}"`
569
570  if [ ! -x "${1}" ]; then
571    case "${1#.}" in
572    /etc/mail/aliases)
573      NEED_NEWALIASES=yes
574      ;;
575    /etc/login.conf)
576      NEED_CAP_MKDB=yes
577      ;;
578    /etc/master.passwd)
579      install -m 600 "${1}" "${DESTDIR}${INSTALL_DIR}"
580      NEED_PWD_MKDB=yes
581      DONT_INSTALL=yes
582      ;;
583    /.cshrc | /.profile)
584      case "${LINK_EXPLAINED}" in
585      '')
586        echo "   *** Historically BSD derived systems have had a"
587        echo "       hard link from /.cshrc and /.profile to"
588        echo "       their namesakes in /root.  Please indicate"
589        echo "       your preference below for bringing your"
590        echo "       installed files up to date."
591        echo ''
592        LINK_EXPLAINED=yes
593        ;;
594      esac
595
596      echo "   Use 'd' to delete the temporary ${COMPFILE}"
597      echo "   Use 'l' to delete the existing ${DESTDIR}${COMPFILE#.} and create the link"
598      echo ''
599      echo "   Default is to leave the temporary file to deal with by hand"
600      echo ''
601      echo -n "  How should I handle ${COMPFILE}? [Leave it to install later] "
602      read HANDLE_LINK
603
604      case "${HANDLE_LINK}" in
605      [dD]*)
606        rm "${COMPFILE}"
607        echo ''
608        echo "   *** Deleting ${COMPFILE}"
609        ;;
610      [lL]*)
611        echo ''
612        rm -f "${DESTDIR}${COMPFILE#.}"
613        if ln "${DESTDIR}/root/${COMPFILE##*/}" "${DESTDIR}${COMPFILE#.}"; then
614          echo "   *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully"
615          rm "${COMPFILE}"
616        else
617          echo "   *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}, ${COMPFILE} will remain to install by hand"
618        fi
619        ;;
620      *)
621        echo "   *** ${COMPFILE} will remain for your consideration"
622        ;;
623      esac
624      DONT_INSTALL=yes
625      ;;
626    esac
627
628    case "${DONT_INSTALL}" in
629    '')
630      install -m "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
631      ;;
632    *)
633      unset DONT_INSTALL
634      ;;
635    esac
636  else
637    case "${1#.}" in
638    /dev/MAKEDEV)
639      NEED_MAKEDEV=yes
640      ;;
641    esac
642    install -m "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
643  fi
644  return $?
645}
646
647echo ''
648echo "*** Beginning comparison"
649echo ''
650
651cd "${TEMPROOT}"
652
653if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then
654  . "${MM_PRE_COMPARE_SCRIPT}"
655fi
656
657# Using -size +0 avoids uselessly checking the empty log files created
658# by ${SOURCEDIR}/Makefile and the device entries in ./dev, but does
659# check the scripts in ./dev, as we'd like (assuming no devfs of course).
660#
661for COMPFILE in `find . -type f -size +0`; do
662
663  # First, check to see if the file exists in DESTDIR.  If not, the
664  # diff_loop function knows how to handle it.
665  #
666  if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then
667    diff_loop
668    continue
669  fi
670
671  case "${STRICT}" in
672  '' | [Nn][Oo])
673    # Compare CVS $Id's first so if the file hasn't been modified
674    # local changes will be ignored.
675    # If the files have the same $Id, delete the one in temproot so the
676    # user will have less to wade through if files are left to merge by hand.
677    #
678    # Reduce complexity and improve portability by using ident
679    #
680    CVSID1=`ident ${DESTDIR}${COMPFILE#.} 2>&1`
681    CVSID1="${CVSID1#${DESTDIR}}"
682    CVSID2=`ident ${COMPFILE} 2>&1`
683
684    case "${CVSID2}" in
685    *'no id keywords'*)
686      ;;
687    ."${CVSID1}")
688      echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting"
689      rm "${COMPFILE}"
690      ;;
691    esac
692    ;;
693  esac
694
695  # If the file is still here either because the $Ids are different, the
696  # file doesn't have an $Id, or we're using STRICT mode; look at the diff.
697  #
698  if [ -f "${COMPFILE}" ]; then
699
700    # Do an absolute diff first to see if the files are actually different.
701    # If they're not different, delete the one in temproot.
702    #
703    if diff -q "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > /dev/null 2>&1; then
704      echo " *** Temp ${COMPFILE} and installed are the same, deleting"
705      rm "${COMPFILE}"
706    else
707      # Ok, the files are different, so show the user where they differ.  Use user's
708      # choice of diff methods; and user's pager if they have one.  Use more if not.
709      # Use unified diffs by default.  Context diffs give me a headache. :)
710      #
711      case "${AUTO_RUN}" in
712      '')
713        # prompt user to install/delete/merge changes
714        diff_loop
715        ;;
716      *)
717        # If this is an auto run, make it official
718        echo "   *** ${COMPFILE} will remain for your consideration"
719        ;;
720      esac # Auto run test
721    fi # Yes, the files are different
722  fi # Yes, the file still remains to be checked
723done # This is for the do way up there at the beginning of the comparison
724
725echo ''
726echo "*** Comparison complete"
727echo ''
728
729TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null`
730if [ -n "${TEST_FOR_FILES}" ]; then
731  echo "*** Files that remain for you to merge by hand:"
732  find "${TEMPROOT}" -type f -size +0
733fi
734
735case "${AUTO_RUN}" in
736'')
737  echo ''
738  echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] "
739  read DEL_TEMPROOT
740
741  case "${DEL_TEMPROOT}" in
742  [yY]*)
743    if rm -rf "${TEMPROOT}"; then
744      echo " *** ${TEMPROOT} has been deleted"
745    else
746      echo " *** Unable to delete ${TEMPROOT}"
747    fi
748    ;;
749  *)
750    echo " *** ${TEMPROOT} will remain"
751    ;;
752  esac
753  ;;
754*) ;;
755esac
756
757case "${NEED_MAKEDEV}" in
758'') ;;
759*)
760  echo ''
761  echo "*** You installed a new /dev/MAKEDEV script, so make sure that you run"
762  echo "    'cd /dev && /bin/sh MAKEDEV all' to rebuild your devices"
763  ;;
764esac
765
766case "${NEED_NEWALIASES}" in
767'') ;;
768*)
769  echo ''
770  echo "*** You installed a new aliases file, so make sure that you run"
771  echo "    'newaliases' to rebuild your aliases database"
772  ;;
773esac
774
775case "${NEED_CAP_MKDB}" in
776'') ;;
777*)
778  echo ''
779  echo "*** You installed a login.conf file, so make sure that you run"
780  echo "    'cap_mkdb /etc/login.conf' to rebuild your login.conf database"
781  ;;
782esac
783
784case "${NEED_PWD_MKDB}" in
785'') ;;
786*)
787  echo ''
788  echo "*** You installed a new master.passwd file, so make sure that you run"
789  echo "    'pwd_mkdb -p /etc/master.passwd' to rebuild your password files"
790  ;;
791esac
792
793case "${AUTO_INSTALLED_FILES}" in
794'') ;;
795*)
796  (
797    echo ''
798    echo '*** You chose the automatic install option for files that did not exist'
799    echo '    on your system.  The following files were installed for you:'
800    echo "${AUTO_INSTALLED_FILES}"
801  ) | ${PAGER}
802  ;;
803esac
804
805echo ''
806
807if [ -r "${MM_EXIT_SCRIPT}" ]; then
808  . "${MM_EXIT_SCRIPT}"
809fi
810
811exit 0
812
813