mergemaster.sh revision 224726
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 1998-2011 Douglas Barton 9# dougb@FreeBSD.org 10 11# $FreeBSD: head/usr.sbin/mergemaster/mergemaster.sh 224726 2011-08-09 07:42:19Z 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 ${VERSION_NUMBER}" 18 echo 'Usage: mergemaster [-scrvhpCP] [-a|[-iFU]]' 19 echo ' [-m /path] [-t /path] [-d] [-u N] [-w N] [-A arch] [-D /path]' 20 echo "Options:" 21 echo " -s Strict comparison (diff every pair of files)" 22 echo " -c Use context diff instead of unified diff" 23 echo " -r Re-run on a previously cleaned directory (skip temproot creation)" 24 echo " -v Be more verbose about the process, include additional checks" 25 echo " -a Leave all files that differ to merge by hand" 26 echo " -h Display more complete help" 27 echo ' -i Automatically install files that do not exist in destination directory' 28 echo ' -p Pre-buildworld mode, only compares crucial files' 29 echo ' -F Install files that differ only by revision control Id ($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 '' 35 echo " -m /path/directory Specify location of source to do the make in" 36 echo " -t /path/directory Specify temp root directory" 37 echo " -d Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)" 38 echo " -u N Specify a numeric umask" 39 echo " -w N Specify a screen width in columns to sdiff" 40 echo " -A architecture Alternative architecture name to pass to make" 41 echo ' -D /path/directory Specify the destination directory to install files to' 42 echo '' 43} 44 45display_help () { 46 echo "* To specify a directory other than /var/tmp/temproot for the" 47 echo " temporary root environment, use -t /path/to/temp/root" 48 echo "* The -w option takes a number as an argument for the column width" 49 echo " of the screen. The default is 80." 50 echo '* The -a option causes mergemaster to run without prompting.' 51} 52 53# Loop allowing the user to use sdiff to merge files and display the merged 54# file. 55merge_loop () { 56 case "${VERBOSE}" in 57 '') ;; 58 *) 59 echo " *** Type h at the sdiff prompt (%) to get usage help" 60 ;; 61 esac 62 echo '' 63 MERGE_AGAIN=yes 64 while [ "${MERGE_AGAIN}" = "yes" ]; do 65 # Prime file.merged so we don't blat the owner/group id's 66 cp -p "${COMPFILE}" "${COMPFILE}.merged" 67 sdiff -o "${COMPFILE}.merged" --text --suppress-common-lines \ 68 --width=${SCREEN_WIDTH:-80} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" 69 INSTALL_MERGED=V 70 while [ "${INSTALL_MERGED}" = "v" -o "${INSTALL_MERGED}" = "V" ]; do 71 echo '' 72 echo " Use 'i' to install merged file" 73 echo " Use 'r' to re-do the merge" 74 echo " Use 'v' to view the merged file" 75 echo " Default is to leave the temporary file to deal with by hand" 76 echo '' 77 echo -n " *** How should I deal with the merged file? [Leave it for later] " 78 read INSTALL_MERGED 79 80 case "${INSTALL_MERGED}" in 81 [iI]) 82 mv "${COMPFILE}.merged" "${COMPFILE}" 83 echo '' 84 if mm_install "${COMPFILE}"; then 85 echo " *** Merged version of ${COMPFILE} installed successfully" 86 else 87 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand later" 88 fi 89 unset MERGE_AGAIN 90 ;; 91 [rR]) 92 rm "${COMPFILE}.merged" 93 ;; 94 [vV]) 95 ${PAGER} "${COMPFILE}.merged" 96 ;; 97 '') 98 echo " *** ${COMPFILE} will remain for your consideration" 99 unset MERGE_AGAIN 100 ;; 101 *) 102 echo "invalid choice: ${INSTALL_MERGED}" 103 INSTALL_MERGED=V 104 ;; 105 esac 106 done 107 done 108} 109 110# Loop showing user differences between files, allow merge, skip or install 111# options 112diff_loop () { 113 114 HANDLE_COMPFILE=v 115 116 while [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" -o \ 117 "${HANDLE_COMPFILE}" = "NOT V" ]; do 118 if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then 119 if [ -n "${AUTO_UPGRADE}" -a -n "${CHANGED}" ]; then 120 case "${CHANGED}" in 121 *:${DESTDIR}${COMPFILE#.}:*) ;; # File has been modified 122 *) 123 echo '' 124 echo " *** ${COMPFILE} has not been user modified." 125 echo '' 126 127 if mm_install "${COMPFILE}"; then 128 echo " *** ${COMPFILE} upgraded successfully" 129 echo '' 130 # Make the list print one file per line 131 AUTO_UPGRADED_FILES="${AUTO_UPGRADED_FILES} ${DESTDIR}${COMPFILE#.} 132" 133 else 134 echo " *** Problem upgrading ${COMPFILE}, it will remain to merge by hand" 135 fi 136 return 137 ;; 138 esac 139 fi 140 if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then 141 echo '' 142 echo ' ====================================================================== ' 143 echo '' 144 ( 145 echo " *** Displaying differences between ${COMPFILE} and installed version:" 146 echo '' 147 diff ${DIFF_FLAG} ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" 148 ) | ${PAGER} 149 echo '' 150 fi 151 else 152 echo '' 153 echo " *** There is no installed version of ${COMPFILE}" 154 echo '' 155 case "${AUTO_INSTALL}" in 156 [Yy][Ee][Ss]) 157 echo '' 158 if mm_install "${COMPFILE}"; then 159 echo " *** ${COMPFILE} installed successfully" 160 echo '' 161 # Make the list print one file per line 162 AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES} ${DESTDIR}${COMPFILE#.} 163" 164 else 165 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand" 166 fi 167 return 168 ;; 169 *) 170 NO_INSTALLED=yes 171 ;; 172 esac 173 fi 174 175 echo " Use 'd' to delete the temporary ${COMPFILE}" 176 echo " Use 'i' to install the temporary ${COMPFILE}" 177 case "${NO_INSTALLED}" in 178 '') 179 echo " Use 'm' to merge the temporary and installed versions" 180 echo " Use 'v' to view the diff results again" 181 ;; 182 esac 183 echo '' 184 echo " Default is to leave the temporary file to deal with by hand" 185 echo '' 186 echo -n "How should I deal with this? [Leave it for later] " 187 read HANDLE_COMPFILE 188 189 case "${HANDLE_COMPFILE}" in 190 [dD]) 191 rm "${COMPFILE}" 192 echo '' 193 echo " *** Deleting ${COMPFILE}" 194 ;; 195 [iI]) 196 echo '' 197 if mm_install "${COMPFILE}"; then 198 echo " *** ${COMPFILE} installed successfully" 199 else 200 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand" 201 fi 202 ;; 203 [mM]) 204 case "${NO_INSTALLED}" in 205 '') 206 # interact with user to merge files 207 merge_loop 208 ;; 209 *) 210 echo '' 211 echo " *** There is no installed version of ${COMPFILE}" 212 echo '' 213 HANDLE_COMPFILE="NOT V" 214 ;; 215 esac # End of "No installed version of file but user selected merge" test 216 ;; 217 [vV]) 218 continue 219 ;; 220 '') 221 echo '' 222 echo " *** ${COMPFILE} will remain for your consideration" 223 ;; 224 *) 225 # invalid choice, show menu again. 226 echo "invalid choice: ${HANDLE_COMPFILE}" 227 echo '' 228 HANDLE_COMPFILE="NOT V" 229 continue 230 ;; 231 esac # End of "How to handle files that are different" 232 done 233 unset NO_INSTALLED 234 echo '' 235 case "${VERBOSE}" in 236 '') ;; 237 *) 238 sleep 3 239 ;; 240 esac 241} 242 243press_to_continue () { 244 local DISCARD 245 echo -n ' *** Press the [Enter] or [Return] key to continue ' 246 read DISCARD 247} 248 249# Set the default path for the temporary root environment 250# 251TEMPROOT='/var/tmp/temproot' 252 253# Read /etc/mergemaster.rc first so the one in $HOME can override 254# 255if [ -r /etc/mergemaster.rc ]; then 256 . /etc/mergemaster.rc 257fi 258 259# Read .mergemasterrc before command line so CLI can override 260# 261if [ -r "$HOME/.mergemasterrc" ]; then 262 . "$HOME/.mergemasterrc" 263fi 264 265# Check the command line options 266# 267while getopts ":ascrvhipCPm:t:du:w:D:A:FU" COMMAND_LINE_ARGUMENT ; do 268 case "${COMMAND_LINE_ARGUMENT}" in 269 A) 270 ARCHSTRING='TARGET_ARCH='${OPTARG} 271 ;; 272 F) 273 FREEBSD_ID=yes 274 ;; 275 U) 276 AUTO_UPGRADE=yes 277 ;; 278 s) 279 STRICT=yes 280 unset DIFF_OPTIONS 281 ;; 282 c) 283 DIFF_FLAG='-c' 284 ;; 285 r) 286 RERUN=yes 287 ;; 288 v) 289 case "${AUTO_RUN}" in 290 '') VERBOSE=yes ;; 291 esac 292 ;; 293 a) 294 AUTO_RUN=yes 295 unset VERBOSE 296 ;; 297 h) 298 display_usage 299 display_help 300 exit 0 301 ;; 302 i) 303 AUTO_INSTALL=yes 304 ;; 305 C) 306 COMP_CONFS=yes 307 ;; 308 P) 309 PRESERVE_FILES=yes 310 ;; 311 p) 312 PRE_WORLD=yes 313 unset COMP_CONFS 314 unset AUTO_RUN 315 ;; 316 m) 317 SOURCEDIR=${OPTARG} 318 ;; 319 t) 320 TEMPROOT=${OPTARG} 321 ;; 322 d) 323 TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M` 324 ;; 325 u) 326 NEW_UMASK=${OPTARG} 327 ;; 328 w) 329 SCREEN_WIDTH=${OPTARG} 330 ;; 331 D) 332 DESTDIR=${OPTARG} 333 ;; 334 *) 335 display_usage 336 exit 1 337 ;; 338 esac 339done 340 341if [ -n "$AUTO_RUN" ]; then 342 if [ -n "$FREEBSD_ID" -o -n "$AUTO_UPGRADE" -o -n "$AUTO_INSTALL" ]; then 343 echo '' 344 echo "*** You have included the -a option along with one or more options" 345 echo ' that indicate that you wish mergemaster to actually make updates' 346 echo ' (-F, -U, or -i), however these options are not compatible.' 347 echo ' Please read mergemaster(8) for more information.' 348 echo '' 349 exit 1 350 fi 351fi 352 353# Assign the location of the mtree database 354# 355MTREEDB=${MTREEDB:-${DESTDIR}/var/db} 356MTREEFILE="${MTREEDB}/mergemaster.mtree" 357 358# Don't force the user to set this in the mergemaster rc file 359if [ -n "${PRESERVE_FILES}" -a -z "${PRESERVE_FILES_DIR}" ]; then 360 PRESERVE_FILES_DIR=/var/tmp/mergemaster/preserved-files-`date +%y%m%d-%H%M%S` 361 mkdir -p ${PRESERVE_FILES_DIR} 362fi 363 364# Check for the mtree database in DESTDIR 365case "${AUTO_UPGRADE}" in 366'') ;; # If the option is not set no need to run the test or warn the user 367*) 368 if [ ! -s "${MTREEFILE}" ]; then 369 echo '' 370 echo "*** Unable to find mtree database (${MTREEFILE})." 371 echo " Skipping auto-upgrade on this run." 372 echo " It will be created for the next run when this one is complete." 373 echo '' 374 case "${AUTO_RUN}" in 375 '') 376 press_to_continue 377 ;; 378 esac 379 unset AUTO_UPGRADE 380 fi 381 ;; 382esac 383 384if [ -e "${DESTDIR}/etc/fstab" ]; then 385 if grep -q nodev ${DESTDIR}/etc/fstab; then 386 echo '' 387 echo "*** You have the deprecated 'nodev' option in ${DESTDIR}/etc/fstab." 388 echo " This can prevent the filesystem from being mounted on reboot." 389 echo " Please update your fstab before continuing." 390 echo " See fstab(5) for more information." 391 echo '' 392 exit 1 393 fi 394fi 395 396echo '' 397 398# If the user has a pager defined, make sure we can run it 399# 400case "${DONT_CHECK_PAGER}" in 401'') 402check_pager () { 403 while ! type "${PAGER%% *}" >/dev/null; do 404 echo " *** Your PAGER environment variable specifies '${PAGER}', but" 405 echo " due to the limited PATH that I use for security reasons," 406 echo " I cannot execute it. So, what would you like to do?" 407 echo '' 408 echo " Use 'e' to exit mergemaster and fix your PAGER variable" 409 if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then 410 echo " Use 'l' to set PAGER to 'less' for this run" 411 fi 412 echo " Use 'm' to use plain old 'more' as your PAGER for this run" 413 echo '' 414 echo " Default is to use plain old 'more' " 415 echo '' 416 echo -n "What should I do? [Use 'more'] " 417 read FIXPAGER 418 419 case "${FIXPAGER}" in 420 [eE]) 421 exit 0 422 ;; 423 [lL]) 424 if [ -x /usr/bin/less ]; then 425 PAGER=/usr/bin/less 426 elif [ -x /usr/local/bin/less ]; then 427 PAGER=/usr/local/bin/less 428 else 429 echo '' 430 echo " *** Fatal Error:" 431 echo " You asked to use 'less' as your pager, but I can't" 432 echo " find it in /usr/bin or /usr/local/bin" 433 exit 1 434 fi 435 ;; 436 [mM]|'') 437 PAGER=more 438 ;; 439 *) 440 echo '' 441 echo "invalid choice: ${FIXPAGER}" 442 esac 443 echo '' 444 done 445} 446 if [ -n "${PAGER}" ]; then 447 check_pager 448 fi 449 ;; 450esac 451 452# If user has a pager defined, or got assigned one above, use it. 453# If not, use more. 454# 455PAGER=${PAGER:-more} 456 457if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then 458 echo " *** You have ${PAGER} defined as your pager so we will use that" 459 echo '' 460 sleep 3 461fi 462 463# Assign the diff flag once so we will not have to keep testing it 464# 465DIFF_FLAG=${DIFF_FLAG:--u} 466 467# Assign the source directory 468# 469SOURCEDIR=${SOURCEDIR:-/usr/src} 470if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \ 471 -f ${SOURCEDIR}/../Makefile.inc1 ]; then 472 echo " *** The source directory you specified (${SOURCEDIR})" 473 echo " will be reset to ${SOURCEDIR}/.." 474 echo '' 475 sleep 3 476 SOURCEDIR=${SOURCEDIR}/.. 477fi 478 479# Setup make to use system files from SOURCEDIR 480MM_MAKE="make ${ARCHSTRING} -m ${SOURCEDIR}/share/mk" 481 482# Check DESTDIR against the mergemaster mtree database to see what 483# files the user changed from the reference files. 484# 485if [ -n "${AUTO_UPGRADE}" -a -s "${MTREEFILE}" ]; then 486 CHANGED=: 487 for file in `mtree -eqL -f ${MTREEFILE} -p ${DESTDIR}/ \ 488 2>/dev/null | awk '($2 == "changed") {print $1}'`; do 489 if [ -f "${DESTDIR}/$file" ]; then 490 CHANGED="${CHANGED}${DESTDIR}/${file}:" 491 fi 492 done 493 [ "$CHANGED" = ':' ] && unset CHANGED 494fi 495 496# Check the width of the user's terminal 497# 498if [ -t 0 ]; then 499 w=`tput columns` 500 case "${w}" in 501 0|'') ;; # No-op, since the input is not valid 502 *) 503 case "${SCREEN_WIDTH}" in 504 '') SCREEN_WIDTH="${w}" ;; 505 "${w}") ;; # No-op, since they are the same 506 *) 507 echo -n "*** You entered ${SCREEN_WIDTH} as your screen width, but stty " 508 echo "thinks it is ${w}." 509 echo '' 510 echo -n "What would you like to use? [${w}] " 511 read SCREEN_WIDTH 512 case "${SCREEN_WIDTH}" in 513 '') SCREEN_WIDTH="${w}" ;; 514 esac 515 ;; 516 esac 517 esac 518fi 519 520# Define what CVS $Id tag to look for to aid portability. 521# 522CVS_ID_TAG=FreeBSD 523 524delete_temproot () { 525 rm -rf "${TEMPROOT}" 2>/dev/null 526 chflags -R 0 "${TEMPROOT}" 2>/dev/null 527 rm -rf "${TEMPROOT}" || { echo "*** Unable to delete ${TEMPROOT}"; exit 1; } 528} 529 530case "${RERUN}" in 531'') 532 # Set up the loop to test for the existence of the 533 # temp root directory. 534 # 535 TEST_TEMP_ROOT=yes 536 while [ "${TEST_TEMP_ROOT}" = "yes" ]; do 537 if [ -d "${TEMPROOT}" ]; then 538 echo "*** The directory specified for the temporary root environment," 539 echo " ${TEMPROOT}, exists. This can be a security risk if untrusted" 540 echo " users have access to the system." 541 echo '' 542 case "${AUTO_RUN}" in 543 '') 544 echo " Use 'd' to delete the old ${TEMPROOT} and continue" 545 echo " Use 't' to select a new temporary root directory" 546 echo " Use 'e' to exit mergemaster" 547 echo '' 548 echo " Default is to use ${TEMPROOT} as is" 549 echo '' 550 echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] " 551 read DELORNOT 552 553 case "${DELORNOT}" in 554 [dD]) 555 echo '' 556 echo " *** Deleting the old ${TEMPROOT}" 557 echo '' 558 delete_temproot 559 unset TEST_TEMP_ROOT 560 ;; 561 [tT]) 562 echo " *** Enter new directory name for temporary root environment" 563 read TEMPROOT 564 ;; 565 [eE]) 566 exit 0 567 ;; 568 '') 569 echo '' 570 echo " *** Leaving ${TEMPROOT} intact" 571 echo '' 572 unset TEST_TEMP_ROOT 573 ;; 574 *) 575 echo '' 576 echo "invalid choice: ${DELORNOT}" 577 echo '' 578 ;; 579 esac 580 ;; 581 *) 582 # If this is an auto-run, try a hopefully safe alternative then 583 # re-test anyway. 584 TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S` 585 ;; 586 esac 587 else 588 unset TEST_TEMP_ROOT 589 fi 590 done 591 592 echo "*** Creating the temporary root environment in ${TEMPROOT}" 593 594 if mkdir -p "${TEMPROOT}"; then 595 echo " *** ${TEMPROOT} ready for use" 596 fi 597 598 if [ ! -d "${TEMPROOT}" ]; then 599 echo '' 600 echo " *** FATAL ERROR: Cannot create ${TEMPROOT}" 601 echo '' 602 exit 1 603 fi 604 605 echo " *** Creating and populating directory structure in ${TEMPROOT}" 606 echo '' 607 608 case "${VERBOSE}" in 609 '') ;; 610 *) 611 press_to_continue 612 ;; 613 esac 614 615 case "${PRE_WORLD}" in 616 '') 617 { cd ${SOURCEDIR} && 618 case "${DESTDIR}" in 619 '') ;; 620 *) 621 ${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs >/dev/null 622 ;; 623 esac 624 od=${TEMPROOT}/usr/obj 625 ${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs >/dev/null && 626 MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc >/dev/null && 627 MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc >/dev/null && 628 MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution >/dev/null;} || 629 { echo ''; 630 echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to"; 631 echo " the temproot environment"; 632 echo ''; 633 exit 1;} 634 ;; 635 *) 636 # Only set up files that are crucial to {build|install}world 637 { mkdir -p ${TEMPROOT}/etc && 638 cp -p ${SOURCEDIR}/etc/master.passwd ${TEMPROOT}/etc && 639 install -p -o root -g wheel -m 0644 ${SOURCEDIR}/etc/group ${TEMPROOT}/etc;} || 640 { echo ''; 641 echo ' *** FATAL ERROR: Cannot copy files to the temproot environment'; 642 echo ''; 643 exit 1;} 644 ;; 645 esac 646 647 # Doing the inventory and removing files that we don't want to compare only 648 # makes sense if we are not doing a rerun, since we have no way of knowing 649 # what happened to the files during previous incarnations. 650 case "${VERBOSE}" in 651 '') ;; 652 *) 653 echo '' 654 echo ' *** The following files exist only in the installed version of' 655 echo " ${DESTDIR}/etc. In the vast majority of cases these files" 656 echo ' are necessary parts of the system and should not be deleted.' 657 echo ' However because these files are not updated by this process you' 658 echo ' might want to verify their status before rebooting your system.' 659 echo '' 660 press_to_continue 661 diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in ${DESTDIR}/etc" | ${PAGER} 662 echo '' 663 press_to_continue 664 ;; 665 esac 666 667 case "${IGNORE_MOTD}" in 668 '') ;; 669 *) 670 echo '' 671 echo "*** You have the IGNORE_MOTD option set in your mergemaster rc file." 672 echo " This option is deprecated in favor of the IGNORE_FILES option." 673 echo " Please update your rc file accordingly." 674 echo '' 675 exit 1 676 ;; 677 esac 678 679 # Avoid comparing the following user specified files 680 for file in ${IGNORE_FILES}; do 681 test -e ${TEMPROOT}/${file} && unlink ${TEMPROOT}/${file} 682 done 683 684 # We really don't want to have to deal with files like login.conf.db, pwd.db, 685 # or spwd.db. Instead, we want to compare the text versions, and run *_mkdb. 686 # Prompt the user to do so below, as needed. 687 # 688 rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd 689 690 # We only need to compare things like freebsd.cf once 691 find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null 692 693 # Delete stuff we do not need to keep the mtree database small, 694 # and to make the actual comparison faster. 695 find ${TEMPROOT}/usr -type l -delete 2>/dev/null 696 find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null 697 find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null 698 699 # Build the mtree database in a temporary location. 700 case "${PRE_WORLD}" in 701 '') MTREENEW=`mktemp -t mergemaster.mtree` 702 mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null 703 ;; 704 *) # We don't want to mess with the mtree database on a pre-world run or 705 # when re-scanning a previously-built tree. 706 ;; 707 esac 708 ;; # End of the "RERUN" test 709esac 710 711# Get ready to start comparing files 712 713# Check umask if not specified on the command line, 714# and we are not doing an autorun 715# 716if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then 717 USER_UMASK=`umask` 718 case "${USER_UMASK}" in 719 0022|022) ;; 720 *) 721 echo '' 722 echo " *** Your umask is currently set to ${USER_UMASK}. By default, this script" 723 echo " installs all files with the same user, group and modes that" 724 echo " they are created with by ${SOURCEDIR}/etc/Makefile, compared to" 725 echo " a umask of 022. This umask allows world read permission when" 726 echo " the file's default permissions have it." 727 echo '' 728 echo " No world permissions can sometimes cause problems. A umask of" 729 echo " 022 will restore the default behavior, but is not mandatory." 730 echo " /etc/master.passwd is a special case. Its file permissions" 731 echo " will be 600 (rw-------) if installed." 732 echo '' 733 echo -n "What umask should I use? [${USER_UMASK}] " 734 read NEW_UMASK 735 736 NEW_UMASK="${NEW_UMASK:-$USER_UMASK}" 737 ;; 738 esac 739 echo '' 740fi 741 742CONFIRMED_UMASK=${NEW_UMASK:-0022} 743 744# 745# Warn users who still have old rc files 746# 747for file in atm devfs diskless1 diskless2 network network6 pccard \ 748 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 749 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 750 OLD_RC_PRESENT=1 751 break 752 fi 753done 754 755case "${OLD_RC_PRESENT}" in 7561) 757 echo '' 758 echo " *** There are elements of the old rc system in ${DESTDIR}/etc/." 759 echo '' 760 echo ' While these scripts will not hurt anything, they are not' 761 echo ' functional on an up to date system, and can be removed.' 762 echo '' 763 764 case "${AUTO_RUN}" in 765 '') 766 echo -n 'Move these files to /var/tmp/mergemaster/old_rc? [yes] ' 767 read MOVE_OLD_RC 768 769 case "${MOVE_OLD_RC}" in 770 [nN]*) ;; 771 *) 772 mkdir -p /var/tmp/mergemaster/old_rc 773 for file in atm devfs diskless1 diskless2 network network6 pccard \ 774 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 775 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 776 mv ${DESTDIR}/etc/rc.${file} /var/tmp/mergemaster/old_rc/ 777 fi 778 done 779 echo ' The files have been moved' 780 press_to_continue 781 ;; 782 esac 783 ;; 784 *) ;; 785 esac 786esac 787 788# Use the umask/mode information to install the files 789# Create directories as needed 790# 791install_error () { 792 echo "*** FATAL ERROR: Unable to install ${1} to ${2}" 793 echo '' 794 exit 1 795} 796 797do_install_and_rm () { 798 case "${PRESERVE_FILES}" in 799 [Yy][Ee][Ss]) 800 if [ -f "${3}/${2##*/}" ]; then 801 mkdir -p ${PRESERVE_FILES_DIR}/${2%/*} 802 cp ${3}/${2##*/} ${PRESERVE_FILES_DIR}/${2%/*} 803 fi 804 ;; 805 esac 806 807 if [ ! -d "${3}/${2##*/}" ]; then 808 if install -m ${1} ${2} ${3}; then 809 unlink ${2} 810 else 811 install_error ${2} ${3} 812 fi 813 else 814 install_error ${2} ${3} 815 fi 816} 817 818# 4095 = "obase=10;ibase=8;07777" | bc 819find_mode () { 820 local OCTAL 821 OCTAL=$(( ~$(echo "obase=10; ibase=8; ${CONFIRMED_UMASK}" | bc) & 4095 & 822 $(echo "obase=10; ibase=8; $(stat -f "%OMp%OLp" ${1})" | bc) )) 823 printf "%04o\n" ${OCTAL} 824} 825 826mm_install () { 827 local INSTALL_DIR 828 INSTALL_DIR=${1#.} 829 INSTALL_DIR=${INSTALL_DIR%/*} 830 831 case "${INSTALL_DIR}" in 832 '') 833 INSTALL_DIR=/ 834 ;; 835 esac 836 837 if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then 838 DIR_MODE=`find_mode "${TEMPROOT}/${INSTALL_DIR}"` 839 install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}" || 840 install_error $1 ${DESTDIR}${INSTALL_DIR} 841 fi 842 843 FILE_MODE=`find_mode "${1}"` 844 845 if [ ! -x "${1}" ]; then 846 case "${1#.}" in 847 /etc/mail/aliases) 848 NEED_NEWALIASES=yes 849 ;; 850 /etc/login.conf) 851 NEED_CAP_MKDB=yes 852 ;; 853 /etc/services) 854 NEED_SERVICES_MKDB=yes 855 ;; 856 /etc/master.passwd) 857 do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}" 858 NEED_PWD_MKDB=yes 859 DONT_INSTALL=yes 860 ;; 861 /.cshrc | /.profile) 862 local st_nlink 863 864 # install will unlink the file before it installs the new one, 865 # so we have to restore/create the link afterwards. 866 # 867 st_nlink=0 # In case the file does not yet exist 868 eval $(stat -s ${DESTDIR}${COMPFILE#.} 2>/dev/null) 869 870 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 871 872 if [ -n "${AUTO_INSTALL}" -a $st_nlink -gt 1 ]; then 873 HANDLE_LINK=l 874 else 875 case "${LINK_EXPLAINED}" in 876 '') 877 echo " *** Historically BSD derived systems have had a" 878 echo " hard link from /.cshrc and /.profile to" 879 echo " their namesakes in /root. Please indicate" 880 echo " your preference below for bringing your" 881 echo " installed files up to date." 882 echo '' 883 LINK_EXPLAINED=yes 884 ;; 885 esac 886 887 echo " Use 'd' to delete the temporary ${COMPFILE}" 888 echo " Use 'l' to delete the existing ${DESTDIR}/root/${COMPFILE##*/} and create the link" 889 echo '' 890 echo " Default is to leave the temporary file to deal with by hand" 891 echo '' 892 echo -n " How should I handle ${COMPFILE}? [Leave it to install later] " 893 read HANDLE_LINK 894 fi 895 896 case "${HANDLE_LINK}" in 897 [dD]*) 898 rm "${COMPFILE}" 899 echo '' 900 echo " *** Deleting ${COMPFILE}" 901 ;; 902 [lL]*) 903 echo '' 904 unlink ${DESTDIR}/root/${COMPFILE##*/} 905 if ln ${DESTDIR}${COMPFILE#.} ${DESTDIR}/root/${COMPFILE##*/}; then 906 echo " *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully" 907 else 908 echo " *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}" 909 echo " *** ${COMPFILE} will remain for your consideration" 910 fi 911 ;; 912 *) 913 echo " *** ${COMPFILE} will remain for your consideration" 914 ;; 915 esac 916 return 917 ;; 918 esac 919 920 case "${DONT_INSTALL}" in 921 '') 922 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 923 ;; 924 *) 925 unset DONT_INSTALL 926 ;; 927 esac 928 else # File matched -x 929 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 930 fi 931 return $? 932} 933 934if [ ! -d "${TEMPROOT}" ]; then 935 echo "*** FATAL ERROR: The temproot directory (${TEMPROOT})" 936 echo ' has disappeared!' 937 echo '' 938 exit 1 939fi 940 941echo '' 942echo "*** Beginning comparison" 943echo '' 944 945# Pre-world does not populate /etc/rc.d. 946# It is very possible that a previous run would have deleted files in 947# ${TEMPROOT}/etc/rc.d, thus creating a lot of false positives. 948if [ -z "${PRE_WORLD}" -a -z "${RERUN}" ]; then 949 echo " *** Checking ${DESTDIR}/etc/rc.d for stale files" 950 echo '' 951 cd "${DESTDIR}/etc/rc.d" && 952 for file in *; do 953 if [ ! -e "${TEMPROOT}/etc/rc.d/${file}" ]; then 954 STALE_RC_FILES="${STALE_RC_FILES} ${file}" 955 fi 956 done 957 case "${STALE_RC_FILES}" in 958 ''|' *') 959 echo ' *** No stale files found' 960 ;; 961 *) 962 echo " *** The following files exist in ${DESTDIR}/etc/rc.d but not in" 963 echo " ${TEMPROOT}/etc/rc.d/:" 964 echo '' 965 echo "${STALE_RC_FILES}" 966 echo '' 967 echo ' The presence of stale files in this directory can cause the' 968 echo ' dreaded unpredictable results, and therefore it is highly' 969 echo ' recommended that you delete them.' 970 case "${AUTO_RUN}" in 971 '') 972 echo '' 973 echo -n ' *** Delete them now? [n] ' 974 read DELETE_STALE_RC_FILES 975 case "${DELETE_STALE_RC_FILES}" in 976 [yY]) 977 echo ' *** Deleting ... ' 978 rm ${STALE_RC_FILES} 979 echo ' done.' 980 ;; 981 *) 982 echo ' *** Files will not be deleted' 983 ;; 984 esac 985 sleep 2 986 ;; 987 *) 988 if [ -n "${DELETE_STALE_RC_FILES}" ]; then 989 echo ' *** Deleting ... ' 990 rm ${STALE_RC_FILES} 991 echo ' done.' 992 fi 993 esac 994 ;; 995 esac 996 echo '' 997fi 998 999cd "${TEMPROOT}" 1000 1001if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then 1002 . "${MM_PRE_COMPARE_SCRIPT}" 1003fi 1004 1005# Things that were files/directories/links in one version can sometimes 1006# change to something else in a newer version. So we need to explicitly 1007# test for this, and warn the user if what we find does not match. 1008# 1009for COMPFILE in `find . | sort` ; do 1010 if [ -e "${DESTDIR}${COMPFILE#.}" ]; then 1011 INSTALLED_TYPE=`stat -f '%HT' ${DESTDIR}${COMPFILE#.}` 1012 else 1013 continue 1014 fi 1015 TEMPROOT_TYPE=`stat -f '%HT' $COMPFILE` 1016 1017 if [ ! "$TEMPROOT_TYPE" = "$INSTALLED_TYPE" ]; then 1018 [ "$COMPFILE" = '.' ] && continue 1019 TEMPROOT_TYPE=`echo $TEMPROOT_TYPE | tr [:upper:] [:lower:]` 1020 INSTALLED_TYPE=`echo $INSTALLED_TYPE | tr [:upper:] [:lower:]` 1021 1022 echo "*** The installed file ${DESTDIR}${COMPFILE#.} has the type \"$INSTALLED_TYPE\"" 1023 echo " but the new version has the type \"$TEMPROOT_TYPE\"" 1024 echo '' 1025 echo " How would you like to handle this?" 1026 echo '' 1027 echo " Use 'r' to remove ${DESTDIR}${COMPFILE#.}" 1028 case "$TEMPROOT_TYPE" in 1029 'symbolic link') 1030 TARGET=`readlink $COMPFILE` 1031 echo " and create a link to $TARGET in its place" ;; 1032 *) echo " You will be able to install it as a \"$TEMPROOT_TYPE\"" ;; 1033 esac 1034 echo '' 1035 echo " Use 'i' to ignore this" 1036 echo '' 1037 echo -n " How to proceed? [i] " 1038 read ANSWER 1039 case "$ANSWER" in 1040 [rR]) case "${PRESERVE_FILES}" in 1041 [Yy][Ee][Ss]) 1042 mv ${DESTDIR}${COMPFILE#.} ${PRESERVE_FILES_DIR}/ || exit 1 ;; 1043 *) rm -rf ${DESTDIR}${COMPFILE#.} ;; 1044 esac 1045 case "$TEMPROOT_TYPE" in 1046 'symbolic link') ln -sf $TARGET ${DESTDIR}${COMPFILE#.} ;; 1047 esac ;; 1048 *) echo '' 1049 echo "*** See the man page about adding ${COMPFILE#.} to the list of IGNORE_FILES" 1050 press_to_continue ;; 1051 esac 1052 echo '' 1053 fi 1054done 1055 1056for COMPFILE in `find . -type f | sort`; do 1057 1058 # First, check to see if the file exists in DESTDIR. If not, the 1059 # diff_loop function knows how to handle it. 1060 # 1061 if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then 1062 case "${AUTO_RUN}" in 1063 '') 1064 diff_loop 1065 ;; 1066 *) 1067 case "${AUTO_INSTALL}" in 1068 '') 1069 # If this is an auto run, make it official 1070 echo " *** ${COMPFILE} will remain for your consideration" 1071 ;; 1072 *) 1073 diff_loop 1074 ;; 1075 esac 1076 ;; 1077 esac # Auto run test 1078 continue 1079 fi 1080 1081 case "${STRICT}" in 1082 '' | [Nn][Oo]) 1083 # Compare CVS $Id's first so if the file hasn't been modified 1084 # local changes will be ignored. 1085 # If the files have the same $Id, delete the one in temproot so the 1086 # user will have less to wade through if files are left to merge by hand. 1087 # 1088 CVSID1=`grep "[$]${CVS_ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null` 1089 CVSID2=`grep "[$]${CVS_ID_TAG}:" ${COMPFILE} 2>/dev/null` || CVSID2=none 1090 1091 case "${CVSID2}" in 1092 "${CVSID1}") 1093 echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting" 1094 rm "${COMPFILE}" 1095 ;; 1096 esac 1097 ;; 1098 esac 1099 1100 # If the file is still here either because the $Ids are different, the 1101 # file doesn't have an $Id, or we're using STRICT mode; look at the diff. 1102 # 1103 if [ -f "${COMPFILE}" ]; then 1104 1105 # Do an absolute diff first to see if the files are actually different. 1106 # If they're not different, delete the one in temproot. 1107 # 1108 if diff -q ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1109 /dev/null 2>&1; then 1110 echo " *** Temp ${COMPFILE} and installed are the same, deleting" 1111 rm "${COMPFILE}" 1112 else 1113 # Ok, the files are different, so show the user where they differ. 1114 # Use user's choice of diff methods; and user's pager if they have one. 1115 # Use more if not. 1116 # Use unified diffs by default. Context diffs give me a headache. :) 1117 # 1118 # If the user chose the -F option, test for that before proceeding 1119 # 1120 if [ -n "$FREEBSD_ID" ]; then 1121 if diff -q -I'[$]FreeBSD.*[$]' "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1122 /dev/null 2>&1; then 1123 if mm_install "${COMPFILE}"; then 1124 echo "*** Updated revision control Id for ${DESTDIR}${COMPFILE#.}" 1125 else 1126 echo "*** Problem installing ${COMPFILE}, it will remain to merge by hand later" 1127 fi 1128 continue 1129 fi 1130 fi 1131 case "${AUTO_RUN}" in 1132 '') 1133 # prompt user to install/delete/merge changes 1134 diff_loop 1135 ;; 1136 *) 1137 # If this is an auto run, make it official 1138 echo " *** ${COMPFILE} will remain for your consideration" 1139 ;; 1140 esac # Auto run test 1141 fi # Yes, the files are different 1142 fi # Yes, the file still remains to be checked 1143done # This is for the for way up there at the beginning of the comparison 1144 1145echo '' 1146echo "*** Comparison complete" 1147 1148if [ -s "${MTREENEW}" ]; then 1149 echo "*** Saving mtree database for future upgrades" 1150 test -e "${MTREEFILE}" && unlink ${MTREEFILE} 1151 mv ${MTREENEW} ${MTREEFILE} 1152fi 1153 1154echo '' 1155 1156TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null` 1157if [ -n "${TEST_FOR_FILES}" ]; then 1158 echo "*** Files that remain for you to merge by hand:" 1159 find "${TEMPROOT}" -type f -size +0 | sort 1160 echo '' 1161 1162 case "${AUTO_RUN}" in 1163 '') 1164 echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] " 1165 read DEL_TEMPROOT 1166 case "${DEL_TEMPROOT}" in 1167 [yY]*) 1168 delete_temproot 1169 ;; 1170 *) 1171 echo " *** ${TEMPROOT} will remain" 1172 ;; 1173 esac 1174 ;; 1175 *) ;; 1176 esac 1177else 1178 echo "*** ${TEMPROOT} is empty, deleting" 1179 delete_temproot 1180fi 1181 1182case "${AUTO_INSTALLED_FILES}" in 1183'') ;; 1184*) 1185 case "${AUTO_RUN}" in 1186 '') 1187 ( 1188 echo '' 1189 echo '*** You chose the automatic install option for files that did not' 1190 echo ' exist on your system. The following were installed for you:' 1191 echo "${AUTO_INSTALLED_FILES}" 1192 ) | ${PAGER} 1193 ;; 1194 *) 1195 echo '' 1196 echo '*** You chose the automatic install option for files that did not' 1197 echo ' exist on your system. The following were installed for you:' 1198 echo "${AUTO_INSTALLED_FILES}" 1199 ;; 1200 esac 1201 ;; 1202esac 1203 1204case "${AUTO_UPGRADED_FILES}" in 1205'') ;; 1206*) 1207 case "${AUTO_RUN}" in 1208 '') 1209 ( 1210 echo '' 1211 echo '*** You chose the automatic upgrade option for files that you did' 1212 echo ' not alter on your system. The following were upgraded for you:' 1213 echo "${AUTO_UPGRADED_FILES}" 1214 ) | ${PAGER} 1215 ;; 1216 *) 1217 echo '' 1218 echo '*** You chose the automatic upgrade option for files that you did' 1219 echo ' not alter on your system. The following were upgraded for you:' 1220 echo "${AUTO_UPGRADED_FILES}" 1221 ;; 1222 esac 1223 ;; 1224esac 1225 1226run_it_now () { 1227 case "${AUTO_RUN}" in 1228 '') 1229 unset YES_OR_NO 1230 echo '' 1231 echo -n ' Would you like to run it now? y or n [n] ' 1232 read YES_OR_NO 1233 1234 case "${YES_OR_NO}" in 1235 y) 1236 echo " Running ${1}" 1237 echo '' 1238 eval "${1}" 1239 ;; 1240 ''|n) 1241 echo '' 1242 echo " *** Cancelled" 1243 echo '' 1244 echo " Make sure to run ${1} yourself" 1245 ;; 1246 *) 1247 echo '' 1248 echo " *** Sorry, I do not understand your answer (${YES_OR_NO})" 1249 echo '' 1250 echo " Make sure to run ${1} yourself" 1251 esac 1252 ;; 1253 *) ;; 1254 esac 1255} 1256 1257case "${NEED_NEWALIASES}" in 1258'') ;; 1259*) 1260 echo '' 1261 if [ -n "${DESTDIR}" ]; then 1262 echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but" 1263 echo " the newaliases command is limited to the directories configured" 1264 echo " in sendmail.cf. Make sure to create your aliases database by" 1265 echo " hand when your sendmail configuration is done." 1266 else 1267 echo "*** You installed a new aliases file, so make sure that you run" 1268 echo " '/usr/bin/newaliases' to rebuild your aliases database" 1269 run_it_now '/usr/bin/newaliases' 1270 fi 1271 ;; 1272esac 1273 1274case "${NEED_CAP_MKDB}" in 1275'') ;; 1276*) 1277 echo '' 1278 echo "*** You installed a login.conf file, so make sure that you run" 1279 echo " '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'" 1280 echo " to rebuild your login.conf database" 1281 run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf" 1282 ;; 1283esac 1284 1285case "${NEED_SERVICES_MKDB}" in 1286'') ;; 1287*) 1288 echo '' 1289 echo "*** You installed a services file, so make sure that you run" 1290 echo " '/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services'" 1291 echo " to rebuild your services database" 1292 run_it_now "/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services" 1293 ;; 1294esac 1295 1296case "${NEED_PWD_MKDB}" in 1297'') ;; 1298*) 1299 echo '' 1300 echo "*** You installed a new master.passwd file, so make sure that you run" 1301 if [ -n "${DESTDIR}" ]; then 1302 echo " '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'" 1303 echo " to rebuild your password files" 1304 run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd" 1305 else 1306 echo " '/usr/sbin/pwd_mkdb -p /etc/master.passwd'" 1307 echo " to rebuild your password files" 1308 run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd' 1309 fi 1310 ;; 1311esac 1312 1313echo '' 1314 1315if [ -r "${MM_EXIT_SCRIPT}" ]; then 1316 . "${MM_EXIT_SCRIPT}" 1317fi 1318 1319case "${COMP_CONFS}" in 1320'') ;; 1321*) 1322 . ${DESTDIR}/etc/defaults/rc.conf 1323 1324 (echo '' 1325 echo "*** Comparing conf files: ${rc_conf_files}" 1326 1327 for CONF_FILE in ${rc_conf_files}; do 1328 if [ -r "${DESTDIR}${CONF_FILE}" ]; then 1329 echo '' 1330 echo "*** From ${DESTDIR}${CONF_FILE}" 1331 echo "*** From ${DESTDIR}/etc/defaults/rc.conf" 1332 1333 for RC_CONF_VAR in `grep -i ^[a-z] ${DESTDIR}${CONF_FILE} | 1334 cut -d '=' -f 1`; do 1335 echo '' 1336 grep -w ^${RC_CONF_VAR} ${DESTDIR}${CONF_FILE} 1337 grep -w ^${RC_CONF_VAR} ${DESTDIR}/etc/defaults/rc.conf || 1338 echo ' * No default variable with this name' 1339 done 1340 fi 1341 done) | ${PAGER} 1342 echo '' 1343 ;; 1344esac 1345 1346case "${PRE_WORLD}" in 1347'') ;; 1348*) 1349 MAKE_CONF="${SOURCEDIR}/share/examples/etc/make.conf" 1350 1351 (echo '' 1352 echo '*** Comparing make variables' 1353 echo '' 1354 echo "*** From ${DESTDIR}/etc/make.conf" 1355 echo "*** From ${MAKE_CONF}" 1356 1357 for MAKE_VAR in `grep -i ^[a-z] ${DESTDIR}/etc/make.conf | cut -d '=' -f 1`; do 1358 echo '' 1359 grep -w ^${MAKE_VAR} ${DESTDIR}/etc/make.conf 1360 grep -w ^#${MAKE_VAR} ${MAKE_CONF} || 1361 echo ' * No example variable with this name' 1362 done) | ${PAGER} 1363 ;; 1364esac 1365 1366if [ -n "${PRESERVE_FILES}" ]; then 1367 find -d $PRESERVE_FILES_DIR -type d -empty -delete 2>/dev/null 1368 rmdir $PRESERVE_FILES_DIR 2>/dev/null 1369fi 1370 1371exit 0 1372