mergemaster.sh revision 90564
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 1998-2002 Douglas Barton
9# DougB@FreeBSD.org
10
11# $FreeBSD: head/usr.sbin/mergemaster/mergemaster.sh 90564 2002-02-12 09:54:56Z dougb $
12
13PATH=/bin:/usr/bin:/usr/sbin
14
15display_usage () {
16  VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4`
17  echo "mergemaster version ${VERSION_NUMBER}"
18  echo 'Usage: mergemaster [-scrvahi] [-m /path]'
19  echo '         [-t /path] [-d] [-u N] [-w N] [-D /path]'
20  echo "Options:"
21  echo "  -s  Strict comparison (diff every pair of files)"
22  echo "  -c  Use context diff instead of unified diff"
23  echo "  -r  Re-run on a previously cleaned directory (skip temproot creation)"
24  echo "  -v  Be more verbose about the process, include additional checks"
25  echo "  -a  Leave all files that differ to merge by hand"
26  echo "  -h  Display more complete help"
27  echo '  -i  Automatically install files that do not exist in destination directory'
28  echo "  -m /path/directory  Specify location of source to do the make in"
29  echo "  -t /path/directory  Specify temp root directory"
30  echo "  -d  Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)"
31  echo "  -u N  Specify a numeric umask"
32  echo "  -w N  Specify a screen width in columns to sdiff"
33  echo '  -D /path/directory  Specify the destination directory to install files to'
34  echo ''
35}
36
37display_help () {
38  echo "* To specify a directory other than /var/tmp/temproot for the"
39  echo "  temporary root environment, use -t /path/to/temp/root"
40  echo "* The -w option takes a number as an argument for the column width"
41  echo "  of the screen.  The default is 80."
42  echo '* The -a option causes mergemaster to run without prompting.'
43}
44
45# Loop allowing the user to use sdiff to merge files and display the merged
46# file.
47merge_loop () {
48  case "${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 "${HANDLE_COMPFILE}" = "V" -o \
109    "${HANDLE_COMPFILE}" = "NOT V" ]; do
110    if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then
111      if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then
112	echo ''
113	echo '   ======================================================================   '
114	echo ''
115        (
116          echo ''
117          echo "  *** Displaying differences between ${COMPFILE} and installed version:"
118          echo ''
119          diff "${DIFF_FLAG}" "${DESTDIR}${COMPFILE#.}" "${COMPFILE}"
120        ) | ${PAGER}
121        echo ''
122      fi
123    else
124      echo ''
125      echo "  *** There is no installed version of ${COMPFILE}"
126      case "${AUTO_INSTALL}" in
127      [Yy][Ee][Ss])
128        echo ''
129        if mm_install "${COMPFILE}"; then
130          echo "   *** ${COMPFILE} installed successfully"
131          echo ''
132          # Make the list print one file per line
133          AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES}      ${DESTDIR}${COMPFILE#.}
134"
135        else
136          echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
137        fi
138        return
139        ;;
140      *)
141        NO_INSTALLED=yes
142        ;;
143      esac
144    fi
145
146    echo "  Use 'd' to delete the temporary ${COMPFILE}"
147    echo "  Use 'i' to install the temporary ${COMPFILE}"
148    case "${NO_INSTALLED}" in
149    '')
150      echo "  Use 'm' to merge the temporary and installed versions"
151      echo "  Use 'v' to view the diff results again"
152      ;;
153    esac
154    echo ''
155    echo "  Default is to leave the temporary file to deal with by hand"
156    echo ''
157    echo -n "How should I deal with this? [Leave it for later] "
158    read HANDLE_COMPFILE
159
160    case "${HANDLE_COMPFILE}" in
161    [dD])
162      rm "${COMPFILE}"
163      echo ''
164      echo "   *** Deleting ${COMPFILE}"
165      ;;
166    [iI])
167      echo ''
168      if mm_install "${COMPFILE}"; then
169        echo "   *** ${COMPFILE} installed successfully"
170      else
171        echo "   *** Problem installing ${COMPFILE}, it will remain to merge by hand"
172      fi
173      ;;
174    [mM])
175      case "${NO_INSTALLED}" in
176      '')
177        # interact with user to merge files
178        merge_loop
179        ;;
180      *)
181        echo ''
182        echo "   *** There is no installed version of ${COMPFILE}"
183        echo ''
184        HANDLE_COMPFILE="NOT V"
185        ;;
186      esac # End of "No installed version of file but user selected merge" test
187      ;;
188    [vV])
189      continue
190      ;;
191    '')
192      echo ''
193      echo "   *** ${COMPFILE} will remain for your consideration"
194      ;;
195    *)
196      # invalid choice, show menu again.
197      echo "invalid choice: ${HANDLE_COMPFILE}"
198      echo ''
199      HANDLE_COMPFILE="NOT V"
200      continue
201      ;;
202    esac  # End of "How to handle files that are different"
203  done
204  unset NO_INSTALLED
205  echo ''
206  case "${VERBOSE}" in
207  '') ;;
208  *)
209    sleep 3
210    ;;
211  esac
212}
213
214# Set the default path for the temporary root environment
215#
216TEMPROOT='/var/tmp/temproot'
217
218# Read /etc/mergemaster.rc first so the one in $HOME can override
219#
220if [ -r /etc/mergemaster.rc ]; then
221  . /etc/mergemaster.rc
222fi
223
224# Read .mergemasterrc before command line so CLI can override
225#
226if [ -r "$HOME/.mergemasterrc" ]; then
227  . "$HOME/.mergemasterrc"
228fi
229
230# Check the command line options
231#
232while getopts ":ascrvhim:t:du:w:D:" COMMAND_LINE_ARGUMENT ; do
233  case "${COMMAND_LINE_ARGUMENT}" in
234  s)
235    STRICT=yes
236    ;;
237  c)
238    DIFF_FLAG='-c'
239    ;;
240  r)
241    RERUN=yes
242    ;;
243  v)
244    case "${AUTO_RUN}" in
245    '') VERBOSE=yes ;;
246    esac
247    ;;
248  a)
249    AUTO_RUN=yes
250    unset VERBOSE
251    ;;
252  h)
253    display_usage
254    display_help
255    exit 0
256    ;;
257  i)
258    AUTO_INSTALL=yes
259    ;;
260  m)
261    SOURCEDIR=${OPTARG}
262    ;;
263  t)
264    TEMPROOT=${OPTARG}
265    ;;
266  d)
267    TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M`
268    ;;
269  u)
270    NEW_UMASK=${OPTARG}
271    ;;
272  w)
273    SCREEN_WIDTH=${OPTARG}
274    ;;
275  D)
276    DESTDIR=${OPTARG}
277    ;;
278  *)
279    display_usage
280    exit 1
281    ;;
282  esac
283done
284
285echo ''
286
287# If the user has a pager defined, make sure we can run it
288#
289case "${DONT_CHECK_PAGER}" in
290'')
291  while ! type "${PAGER%% *}" >/dev/null && [ -n "${PAGER}" ]; do
292    echo " *** Your PAGER environment variable specifies '${PAGER}', but"
293    echo "     due to the limited PATH that I use for security reasons,"
294    echo "     I cannot execute it.  So, what would you like to do?"
295    echo ''
296    echo "  Use 'e' to exit mergemaster and fix your PAGER variable"
297    if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then
298    echo "  Use 'l' to set PAGER to 'less' for this run"
299    fi
300    echo "  Use 'm' to use plain old 'more' as your PAGER for this run"
301    echo ''
302    echo "  Default is to use plain old 'more' "
303    echo ''
304    echo -n "What should I do? [Use 'more'] "
305    read FIXPAGER
306
307    case "${FIXPAGER}" in
308    [eE])
309       exit 0
310       ;;
311    [lL])
312       if [ -x /usr/bin/less ]; then
313         PAGER=/usr/bin/less
314       elif [ -x /usr/local/bin/less ]; then
315         PAGER=/usr/local/bin/less
316       else
317         echo ''
318         echo " *** Fatal Error:"
319         echo "     You asked to use 'less' as your pager, but I can't"
320         echo "     find it in /usr/bin or /usr/local/bin"
321         exit 1
322       fi
323       ;;
324    [mM]|'')
325       PAGER=more
326       ;;
327    *)
328       echo ''
329       echo "invalid choice: ${FIXPAGER}"
330    esac
331    echo ''
332  done
333  ;;
334esac
335
336# If user has a pager defined, or got assigned one above, use it.
337# If not, use more.
338#
339PAGER=${PAGER:-more}
340
341if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then
342  echo " *** You have ${PAGER} defined as your pager so we will use that"
343  echo ''
344  sleep 3
345fi
346
347# Assign the diff flag once so we will not have to keep testing it
348#
349DIFF_FLAG=${DIFF_FLAG:--u}
350
351# Assign the source directory
352#
353SOURCEDIR=${SOURCEDIR:-/usr/src/etc}
354
355# Define what CVS $Id tag to look for to aid portability.
356#
357CVS_ID_TAG=FreeBSD
358
359case "${RERUN}" in
360'')
361  # Set up the loop to test for the existence of the
362  # temp root directory.
363  #
364  TEST_TEMP_ROOT=yes
365  while [ "${TEST_TEMP_ROOT}" = "yes" ]; do
366    if [ -d "${TEMPROOT}" ]; then
367      echo "*** The directory specified for the temporary root environment,"
368      echo "    ${TEMPROOT}, exists.  This can be a security risk if untrusted"
369      echo "    users have access to the system."
370      echo ''
371      case "${AUTO_RUN}" in
372      '')
373        echo "  Use 'd' to delete the old ${TEMPROOT} and continue"
374        echo "  Use 't' to select a new temporary root directory"
375        echo "  Use 'e' to exit mergemaster"
376        echo ''
377        echo "  Default is to use ${TEMPROOT} as is"
378        echo ''
379        echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] "
380        read DELORNOT
381
382        case "${DELORNOT}" in
383        [dD])
384          echo ''
385          echo "   *** Deleting the old ${TEMPROOT}"
386          echo ''
387          rm -rf "${TEMPROOT}"
388          unset TEST_TEMP_ROOT
389          ;;
390        [tT])
391          echo "   *** Enter new directory name for temporary root environment"
392          read TEMPROOT
393          ;;
394        [eE])
395          exit 0
396          ;;
397        '')
398          echo ''
399          echo "   *** Leaving ${TEMPROOT} intact"
400          echo ''
401          unset TEST_TEMP_ROOT
402          ;;
403        *)
404          echo ''
405          echo "invalid choice: ${DELORNOT}"
406          echo ''
407          ;;
408        esac
409        ;;
410      *)
411        # If this is an auto-run, try a hopefully safe alternative then
412        # re-test anyway.
413        TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S`
414        ;;
415      esac
416    else
417      unset TEST_TEMP_ROOT
418    fi
419  done
420
421  echo "*** Creating the temporary root environment in ${TEMPROOT}"
422
423  if mkdir -p "${TEMPROOT}"; then
424    echo " *** ${TEMPROOT} ready for use"
425  fi
426
427  if [ ! -d "${TEMPROOT}" ]; then
428    echo ''
429    echo "  *** FATAL ERROR: Cannot create ${TEMPROOT}"
430    echo ''
431    exit 1
432  fi
433
434  echo " *** Creating and populating directory structure in ${TEMPROOT}"
435  echo ''
436
437  case "${VERBOSE}" in
438  '') ;;
439  *)
440    echo " *** Press [Enter] or [Return] key to continue"
441    read ANY_KEY
442    unset ANY_KEY
443    ;;
444  esac
445
446  { cd ${SOURCEDIR} &&
447    case "${DESTDIR}" in
448    '') ;;
449    *)
450      make DESTDIR=${DESTDIR} distrib-dirs
451      ;;
452    esac
453    make DESTDIR=${TEMPROOT} distrib-dirs &&
454    make MAKEOBJDIRPREFIX=${TEMPROOT}/usr/obj obj &&
455    make MAKEOBJDIRPREFIX=${TEMPROOT}/usr/obj DESTDIR=${TEMPROOT} \
456        -DNO_MAKEDEV_RUN distribution;} ||
457  { echo '';
458    echo "  *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to";
459    echo "      the temproot environment";
460    echo '';
461    exit 1;}
462
463  # Doing the inventory and removing files that we don't want to compare only
464  # makes sense if we are not doing a rerun, since we have no way of knowing
465  # what happened to the files during previous incarnations.
466  case "${VERBOSE}" in
467  '') ;;
468  *)
469    echo ''
470    echo ' *** The following files exist only in the installed version of'
471    echo "     ${DESTDIR}/etc.  In the vast majority of cases these files"
472    echo '     are necessary parts of the system and should not be deleted.'
473    echo '     However because these files are not updated by this process you'
474    echo '     might want to verify their status before rebooting your system.'
475    echo ''
476    echo ' *** Press [Enter] or [Return] key to continue'
477    read ANY_KEY
478    unset ANY_KEY
479    diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in /etc" | ${PAGER}
480    echo ''
481    echo ' *** Press [Enter] or [Return] key to continue'
482    read ANY_KEY
483    unset ANY_KEY
484    ;;
485  esac
486
487  # Avoid comparing the motd if the user specifies it in .mergemasterrc
488  case "${IGNORE_MOTD}" in
489  '') ;;
490  *) rm ${TEMPROOT}/etc/motd
491     ;;
492  esac
493
494  # Avoid trying to update MAKEDEV if /dev is on a devfs
495  if /sbin/sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
496    rm ${TEMPROOT}/dev/MAKEDEV ${TEMPROOT}/dev/MAKEDEV.local
497  fi
498
499  ;; # End of the "RERUN" test
500esac
501
502# We really don't want to have to deal with these files, since
503# master.passwd is the real file that should be compared, then
504# the user should run pwd_mkdb if necessary.
505#
506[ -f "${TEMPROOT}/etc/spwd.db" ] && rm "${TEMPROOT}/etc/spwd.db"
507[ -f "${TEMPROOT}/etc/passwd" ]  && rm "${TEMPROOT}/etc/passwd"
508[ -f "${TEMPROOT}/etc/pwd.db" ]  && rm "${TEMPROOT}/etc/pwd.db"
509
510# Get ready to start comparing files
511
512# Check umask if not specified on the command line,
513# and we are not doing an autorun
514#
515if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then
516  USER_UMASK=`umask`
517  case "${USER_UMASK}" in
518  0022|022) ;;
519  *)
520    echo ''
521    echo " *** Your umask is currently set to ${USER_UMASK}.  By default, this script"
522    echo "     installs all files with the same user, group and modes that"
523    echo "     they are created with by ${SOURCEDIR}/Makefile, compared to"
524    echo "     a umask of 022.  This umask allows world read permission when"
525    echo "     the file's default permissions have it."
526    echo "     No world permissions can sometimes cause problems.  A umask of"
527    echo "     022 will restore the default behavior, but is not mandatory."
528    echo "     /etc/master.passwd is a special case.  Its file permissions"
529    echo "     will be 600 (rw-------) if installed."
530    echo ''
531    echo -n "What umask should I use? [${USER_UMASK}] "
532    read NEW_UMASK
533
534    NEW_UMASK="${NEW_UMASK:-$USER_UMASK}"
535    ;;
536  esac
537  echo ''
538fi
539
540CONFIRMED_UMASK=${NEW_UMASK:-0022}
541
542# Warn users who still have ${DESTDIR}/etc/sysconfig
543#
544if [ -e "${DESTDIR}/etc/sysconfig" ]; then
545  echo ''
546  echo " *** There is a sysconfig file on this system in ${DESTDIR}/etc/."
547  echo ''
548  echo '     Starting with FreeBSD version 2.2.2 those settings moved from'
549  echo '     /etc/sysconfig to /etc/rc.conf.  If you are upgrading an older'
550  echo '     system make sure that you transfer your settings by hand from'
551  echo '     sysconfig to rc.conf and install the rc.conf file.  If you'
552  echo '     have already made this transition, you should consider'
553  echo '     renaming or deleting the sysconfig file.'
554  echo ''
555  case "${AUTO_RUN}" in
556  '')
557    echo -n "Continue with the merge process? [yes] "
558    read CONT_OR_NOT
559
560    case "${CONT_OR_NOT}" in
561    [nN]*)
562      exit 0
563      ;;
564    *)
565      echo "   *** Continuing"
566      echo ''
567      ;;
568    esac
569    ;;
570  *) ;;
571  esac
572fi
573
574# Use the umask/mode information to install the files
575# Create directories as needed
576#
577do_install_and_rm () {
578  install -m "${1}" "${2}" "${3}" &&
579    if [ -f "${2}" ]; then
580      rm "${2}"
581    else
582      return 0
583    fi
584}
585
586mm_install () {
587  local INSTALL_DIR
588  INSTALL_DIR=${1#.}
589  INSTALL_DIR=${INSTALL_DIR%/*}
590
591  case "${INSTALL_DIR}" in
592  '')
593    INSTALL_DIR=/
594    ;;
595  esac
596
597  if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then
598    DIR_MODE=`perl -e 'printf "%04o\n", (((stat("$ARGV[0]"))[2] & 07777) &~ \
599      oct("$ARGV[1]"))' "${TEMPROOT}/${INSTALL_DIR}" "${CONFIRMED_UMASK}"`
600    install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}"
601  fi
602
603  FILE_MODE=`perl -e 'printf "%04o\n", (((stat("$ARGV[0]"))[2] & 07777) &~ \
604      oct("$ARGV[1]"))' "${1}" "${CONFIRMED_UMASK}"`
605
606  if [ ! -x "${1}" ]; then
607    case "${1#.}" in
608    /etc/mail/aliases)
609      NEED_NEWALIASES=yes
610      ;;
611    /etc/login.conf)
612      NEED_CAP_MKDB=yes
613      ;;
614    /etc/master.passwd)
615      do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}"
616      NEED_PWD_MKDB=yes
617      DONT_INSTALL=yes
618      ;;
619    /.cshrc | /.profile)
620    case "${AUTO_INSTALL}" in
621    '')
622      case "${LINK_EXPLAINED}" in
623      '')
624        echo "   *** Historically BSD derived systems have had a"
625        echo "       hard link from /.cshrc and /.profile to"
626        echo "       their namesakes in /root.  Please indicate"
627        echo "       your preference below for bringing your"
628        echo "       installed files up to date."
629        echo ''
630        LINK_EXPLAINED=yes
631        ;;
632      esac
633
634      echo "   Use 'd' to delete the temporary ${COMPFILE}"
635      echo "   Use 'l' to delete the existing ${DESTDIR}${COMPFILE#.} and create the link"
636      echo ''
637      echo "   Default is to leave the temporary file to deal with by hand"
638      echo ''
639      echo -n "  How should I handle ${COMPFILE}? [Leave it to install later] "
640      read HANDLE_LINK
641      ;;
642    *)  # Part of AUTO_INSTALL
643      HANDLE_LINK=l
644      ;;
645    esac
646
647      case "${HANDLE_LINK}" in
648      [dD]*)
649        rm "${COMPFILE}"
650        echo ''
651        echo "   *** Deleting ${COMPFILE}"
652        ;;
653      [lL]*)
654        echo ''
655        rm -f "${DESTDIR}${COMPFILE#.}"
656        if ln "${DESTDIR}/root/${COMPFILE##*/}" "${DESTDIR}${COMPFILE#.}"; then
657          echo "   *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully"
658          rm "${COMPFILE}"
659        else
660          echo "   *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}, ${COMPFILE} will remain to install by hand"
661        fi
662        ;;
663      *)
664        echo "   *** ${COMPFILE} will remain for your consideration"
665        ;;
666      esac
667      DONT_INSTALL=yes
668      ;;
669    esac
670
671    case "${DONT_INSTALL}" in
672    '')
673      do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
674      ;;
675    *)
676      unset DONT_INSTALL
677      ;;
678    esac
679  else	# File matched -x
680    case "${1#.}" in
681    /dev/MAKEDEV)
682      NEED_MAKEDEV=yes
683      ;;
684    esac
685    do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}"
686  fi
687  return $?
688}
689
690echo ''
691echo "*** Beginning comparison"
692echo ''
693
694cd "${TEMPROOT}"
695
696if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then
697  . "${MM_PRE_COMPARE_SCRIPT}"
698fi
699
700# Using -size +0 avoids uselessly checking the empty log files created
701# by ${SOURCEDIR}/Makefile and the device entries in ./dev, but does
702# check the scripts in ./dev, as we'd like (assuming no devfs of course).
703#
704for COMPFILE in `find . -type f -size +0`; do
705
706  # First, check to see if the file exists in DESTDIR.  If not, the
707  # diff_loop function knows how to handle it.
708  #
709  if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then
710    case "${AUTO_RUN}" in
711      '')
712        diff_loop
713        ;;
714      *)
715        case "${AUTO_INSTALL}" in
716        '')
717          # If this is an auto run, make it official
718          echo "   *** ${COMPFILE} will remain for your consideration"
719          ;;
720        *)
721          diff_loop
722          ;;
723        esac
724        ;;
725    esac # Auto run test
726    continue
727  fi
728
729  case "${STRICT}" in
730  '' | [Nn][Oo])
731    # Compare CVS $Id's first so if the file hasn't been modified
732    # local changes will be ignored.
733    # If the files have the same $Id, delete the one in temproot so the
734    # user will have less to wade through if files are left to merge by hand.
735    #
736    CVSID1=`grep "[$]${CVS_ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null`
737    CVSID2=`grep "[$]${CVS_ID_TAG}:" ${COMPFILE} 2>/dev/null` || CVSID2=none
738
739    case "${CVSID2}" in
740    "${CVSID1}")
741      echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting"
742      rm "${COMPFILE}"
743      ;;
744    esac
745    ;;
746  esac
747
748  # If the file is still here either because the $Ids are different, the
749  # file doesn't have an $Id, or we're using STRICT mode; look at the diff.
750  #
751  if [ -f "${COMPFILE}" ]; then
752
753    # Do an absolute diff first to see if the files are actually different.
754    # If they're not different, delete the one in temproot.
755    #
756    if diff -q "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > /dev/null 2>&1; then
757      echo " *** Temp ${COMPFILE} and installed are the same, deleting"
758      rm "${COMPFILE}"
759    else
760      # Ok, the files are different, so show the user where they differ.
761      # Use user's choice of diff methods; and user's pager if they have one.
762      # Use more if not.
763      # Use unified diffs by default.  Context diffs give me a headache. :)
764      #
765      case "${AUTO_RUN}" in
766      '')
767        # prompt user to install/delete/merge changes
768        diff_loop
769        ;;
770      *)
771        # If this is an auto run, make it official
772        echo "   *** ${COMPFILE} will remain for your consideration"
773        ;;
774      esac # Auto run test
775    fi # Yes, the files are different
776  fi # Yes, the file still remains to be checked
777done # This is for the do way up there at the beginning of the comparison
778
779echo ''
780echo "*** Comparison complete"
781echo ''
782
783TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null`
784if [ -n "${TEST_FOR_FILES}" ]; then
785  echo "*** Files that remain for you to merge by hand:"
786  find "${TEMPROOT}" -type f -size +0
787  echo ''
788fi
789
790case "${AUTO_RUN}" in
791'')
792  echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] "
793  read DEL_TEMPROOT
794
795  case "${DEL_TEMPROOT}" in
796  [yY]*)
797    if rm -rf "${TEMPROOT}"; then
798      echo " *** ${TEMPROOT} has been deleted"
799    else
800      echo " *** Unable to delete ${TEMPROOT}"
801    fi
802    ;;
803  *)
804    echo " *** ${TEMPROOT} will remain"
805    ;;
806  esac
807  ;;
808*) ;;
809esac
810
811case "${AUTO_INSTALLED_FILES}" in
812'') ;;
813*)
814  case "${AUTO_RUN}" in
815  '')
816    (
817      echo ''
818      echo '*** You chose the automatic install option for files that did not'
819      echo '    exist on your system.  The following were installed for you:'
820      echo "${AUTO_INSTALLED_FILES}"
821    ) | ${PAGER}
822    ;;
823  *)
824    echo ''
825    echo '*** You chose the automatic install option for files that did not'
826    echo '    exist on your system.  The following were installed for you:'
827    echo "${AUTO_INSTALLED_FILES}"
828    ;;
829  esac
830  ;;
831esac
832
833run_it_now () {
834  case "${AUTO_RUN}" in
835  '')
836    unset YES_OR_NO
837    echo ''
838    echo -n '    Would you like to run it now? y or n [n] '
839    read YES_OR_NO
840
841    case "${YES_OR_NO}" in
842    y)
843      echo "    Running ${1}"
844      echo ''
845      eval "${1}"
846      ;;
847    ''|n)
848      echo ''
849      echo "       *** Cancelled"
850      echo ''
851      echo "    Make sure to run ${1} yourself"
852      ;;
853    *)
854      echo ''
855      echo "       *** Sorry, I do not understand your answer (${YES_OR_NO})"
856      echo ''
857      echo "    Make sure to run ${1} yourself"
858    esac
859    ;;
860  *) ;;
861  esac
862}
863
864case "${NEED_MAKEDEV}" in
865'') ;;
866*)
867  echo ''
868  echo "*** You installed a new ${DESTDIR}/dev/MAKEDEV script, so make sure that you run"
869  echo "    'cd ${DESTDIR}/dev && /bin/sh MAKEDEV all' to rebuild your devices"
870  run_it_now "cd ${DESTDIR}/dev && /bin/sh MAKEDEV all"
871  ;;
872esac
873
874case "${NEED_NEWALIASES}" in
875'') ;;
876*)
877  echo ''
878  if [ -n "${DESTDIR}" ]; then
879    echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but"
880    echo "    the newaliases command is limited to the directories configured"
881    echo "    in sendmail.cf.  Make sure to create your aliases database by"
882    echo "    hand when your sendmail configuration is done."
883  else
884    echo "*** You installed a new aliases file, so make sure that you run"
885    echo "    '/usr/bin/newaliases' to rebuild your aliases database"
886    run_it_now '/usr/bin/newaliases'
887  fi
888  ;;
889esac
890
891case "${NEED_CAP_MKDB}" in
892'') ;;
893*)
894  echo ''
895  echo "*** You installed a login.conf file, so make sure that you run"
896  echo "    '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'"
897  echo "     to rebuild your login.conf database"
898  run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf"
899  ;;
900esac
901
902case "${NEED_PWD_MKDB}" in
903'') ;;
904*)
905  echo ''
906  echo "*** You installed a new master.passwd file, so make sure that you run"
907  if [ -n "${DESTDIR}" ]; then
908    echo "    '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'"
909    echo "    to rebuild your password files"
910    run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd"
911  else
912    echo "    '/usr/sbin/pwd_mkdb -p /etc/master.passwd'"
913    echo "     to rebuild your password files"
914    run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd'
915  fi
916  ;;
917esac
918
919echo ''
920
921if [ -r "${MM_EXIT_SCRIPT}" ]; then
922  . "${MM_EXIT_SCRIPT}"
923fi
924
925exit 0
926
927