mergemaster.sh revision 208088
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 1998-2010 Douglas Barton 9# DougB@FreeBSD.org 10 11# $FreeBSD: head/usr.sbin/mergemaster/mergemaster.sh 208088 2010-05-14 19:12:06Z 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 '' 34 echo " -m /path/directory Specify location of source to do the make in" 35 echo " -t /path/directory Specify temp root directory" 36 echo " -d Add date and time to directory name (e.g., /var/tmp/temproot.`date +%m%d.%H.%M`)" 37 echo " -u N Specify a numeric umask" 38 echo " -w N Specify a screen width in columns to sdiff" 39 echo " -A architecture Alternative architecture name to pass to make" 40 echo ' -D /path/directory Specify the destination directory to install files to' 41 echo '' 42} 43 44display_help () { 45 echo "* To specify a directory other than /var/tmp/temproot for the" 46 echo " temporary root environment, use -t /path/to/temp/root" 47 echo "* The -w option takes a number as an argument for the column width" 48 echo " of the screen. The default is 80." 49 echo '* The -a option causes mergemaster to run without prompting.' 50} 51 52# Loop allowing the user to use sdiff to merge files and display the merged 53# file. 54merge_loop () { 55 case "${VERBOSE}" in 56 '') ;; 57 *) 58 echo " *** Type h at the sdiff prompt (%) to get usage help" 59 ;; 60 esac 61 echo '' 62 MERGE_AGAIN=yes 63 while [ "${MERGE_AGAIN}" = "yes" ]; do 64 # Prime file.merged so we don't blat the owner/group id's 65 cp -p "${COMPFILE}" "${COMPFILE}.merged" 66 sdiff -o "${COMPFILE}.merged" --text --suppress-common-lines \ 67 --width=${SCREEN_WIDTH:-80} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" 68 INSTALL_MERGED=V 69 while [ "${INSTALL_MERGED}" = "v" -o "${INSTALL_MERGED}" = "V" ]; do 70 echo '' 71 echo " Use 'i' to install merged file" 72 echo " Use 'r' to re-do the merge" 73 echo " Use 'v' to view the merged file" 74 echo " Default is to leave the temporary file to deal with by hand" 75 echo '' 76 echo -n " *** How should I deal with the merged file? [Leave it for later] " 77 read INSTALL_MERGED 78 79 case "${INSTALL_MERGED}" in 80 [iI]) 81 mv "${COMPFILE}.merged" "${COMPFILE}" 82 echo '' 83 if mm_install "${COMPFILE}"; then 84 echo " *** Merged version of ${COMPFILE} installed successfully" 85 else 86 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand later" 87 fi 88 unset MERGE_AGAIN 89 ;; 90 [rR]) 91 rm "${COMPFILE}.merged" 92 ;; 93 [vV]) 94 ${PAGER} "${COMPFILE}.merged" 95 ;; 96 '') 97 echo " *** ${COMPFILE} will remain for your consideration" 98 unset MERGE_AGAIN 99 ;; 100 *) 101 echo "invalid choice: ${INSTALL_MERGED}" 102 INSTALL_MERGED=V 103 ;; 104 esac 105 done 106 done 107} 108 109# Loop showing user differences between files, allow merge, skip or install 110# options 111diff_loop () { 112 113 HANDLE_COMPFILE=v 114 115 while [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" -o \ 116 "${HANDLE_COMPFILE}" = "NOT V" ]; do 117 if [ -f "${DESTDIR}${COMPFILE#.}" -a -f "${COMPFILE}" ]; then 118 if [ -n "${AUTO_UPGRADE}" -a -n "${CHANGED}" ]; then 119 case "${CHANGED}" in 120 *:${DESTDIR}${COMPFILE#.}:*) ;; # File has been modified 121 *) 122 echo '' 123 echo " *** ${COMPFILE} has not been user modified." 124 echo '' 125 126 if mm_install "${COMPFILE}"; then 127 echo " *** ${COMPFILE} upgraded successfully" 128 echo '' 129 # Make the list print one file per line 130 AUTO_UPGRADED_FILES="${AUTO_UPGRADED_FILES} ${DESTDIR}${COMPFILE#.} 131" 132 else 133 echo " *** Problem upgrading ${COMPFILE}, it will remain to merge by hand" 134 fi 135 return 136 ;; 137 esac 138 fi 139 if [ "${HANDLE_COMPFILE}" = "v" -o "${HANDLE_COMPFILE}" = "V" ]; then 140 echo '' 141 echo ' ====================================================================== ' 142 echo '' 143 ( 144 echo " *** Displaying differences between ${COMPFILE} and installed version:" 145 echo '' 146 diff ${DIFF_FLAG} ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" 147 ) | ${PAGER} 148 echo '' 149 fi 150 else 151 echo '' 152 echo " *** There is no installed version of ${COMPFILE}" 153 echo '' 154 case "${AUTO_INSTALL}" in 155 [Yy][Ee][Ss]) 156 echo '' 157 if mm_install "${COMPFILE}"; then 158 echo " *** ${COMPFILE} installed successfully" 159 echo '' 160 # Make the list print one file per line 161 AUTO_INSTALLED_FILES="${AUTO_INSTALLED_FILES} ${DESTDIR}${COMPFILE#.} 162" 163 else 164 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand" 165 fi 166 return 167 ;; 168 *) 169 NO_INSTALLED=yes 170 ;; 171 esac 172 fi 173 174 echo " Use 'd' to delete the temporary ${COMPFILE}" 175 echo " Use 'i' to install the temporary ${COMPFILE}" 176 case "${NO_INSTALLED}" in 177 '') 178 echo " Use 'm' to merge the temporary and installed versions" 179 echo " Use 'v' to view the diff results again" 180 ;; 181 esac 182 echo '' 183 echo " Default is to leave the temporary file to deal with by hand" 184 echo '' 185 echo -n "How should I deal with this? [Leave it for later] " 186 read HANDLE_COMPFILE 187 188 case "${HANDLE_COMPFILE}" in 189 [dD]) 190 rm "${COMPFILE}" 191 echo '' 192 echo " *** Deleting ${COMPFILE}" 193 ;; 194 [iI]) 195 echo '' 196 if mm_install "${COMPFILE}"; then 197 echo " *** ${COMPFILE} installed successfully" 198 else 199 echo " *** Problem installing ${COMPFILE}, it will remain to merge by hand" 200 fi 201 ;; 202 [mM]) 203 case "${NO_INSTALLED}" in 204 '') 205 # interact with user to merge files 206 merge_loop 207 ;; 208 *) 209 echo '' 210 echo " *** There is no installed version of ${COMPFILE}" 211 echo '' 212 HANDLE_COMPFILE="NOT V" 213 ;; 214 esac # End of "No installed version of file but user selected merge" test 215 ;; 216 [vV]) 217 continue 218 ;; 219 '') 220 echo '' 221 echo " *** ${COMPFILE} will remain for your consideration" 222 ;; 223 *) 224 # invalid choice, show menu again. 225 echo "invalid choice: ${HANDLE_COMPFILE}" 226 echo '' 227 HANDLE_COMPFILE="NOT V" 228 continue 229 ;; 230 esac # End of "How to handle files that are different" 231 done 232 unset NO_INSTALLED 233 echo '' 234 case "${VERBOSE}" in 235 '') ;; 236 *) 237 sleep 3 238 ;; 239 esac 240} 241 242press_to_continue () { 243 local DISCARD 244 echo -n ' *** Press the [Enter] or [Return] key to continue ' 245 read DISCARD 246} 247 248# Set the default path for the temporary root environment 249# 250TEMPROOT='/var/tmp/temproot' 251 252# Read /etc/mergemaster.rc first so the one in $HOME can override 253# 254if [ -r /etc/mergemaster.rc ]; then 255 . /etc/mergemaster.rc 256fi 257 258# Read .mergemasterrc before command line so CLI can override 259# 260if [ -r "$HOME/.mergemasterrc" ]; then 261 . "$HOME/.mergemasterrc" 262fi 263 264# Check the command line options 265# 266while getopts ":ascrvhipCPm:t:du:w:D:A:FU" COMMAND_LINE_ARGUMENT ; do 267 case "${COMMAND_LINE_ARGUMENT}" in 268 A) 269 ARCHSTRING='TARGET_ARCH='${OPTARG} 270 ;; 271 F) 272 FREEBSD_ID=yes 273 ;; 274 U) 275 AUTO_UPGRADE=yes 276 ;; 277 s) 278 STRICT=yes 279 unset DIFF_OPTIONS 280 ;; 281 c) 282 DIFF_FLAG='-c' 283 ;; 284 r) 285 RERUN=yes 286 ;; 287 v) 288 case "${AUTO_RUN}" in 289 '') VERBOSE=yes ;; 290 esac 291 ;; 292 a) 293 AUTO_RUN=yes 294 unset VERBOSE 295 ;; 296 h) 297 display_usage 298 display_help 299 exit 0 300 ;; 301 i) 302 AUTO_INSTALL=yes 303 ;; 304 C) 305 COMP_CONFS=yes 306 ;; 307 P) 308 PRESERVE_FILES=yes 309 ;; 310 p) 311 PRE_WORLD=yes 312 unset COMP_CONFS 313 unset AUTO_RUN 314 ;; 315 m) 316 SOURCEDIR=${OPTARG} 317 ;; 318 t) 319 TEMPROOT=${OPTARG} 320 ;; 321 d) 322 TEMPROOT=${TEMPROOT}.`date +%m%d.%H.%M` 323 ;; 324 u) 325 NEW_UMASK=${OPTARG} 326 ;; 327 w) 328 SCREEN_WIDTH=${OPTARG} 329 ;; 330 D) 331 DESTDIR=${OPTARG} 332 ;; 333 *) 334 display_usage 335 exit 1 336 ;; 337 esac 338done 339 340if [ -n "$AUTO_RUN" ]; then 341 if [ -n "$FREEBSD_ID" -o -n "$AUTO_UPGRADE" -o -n "$AUTO_INSTALL" ]; then 342 echo '' 343 echo "*** You have included the -a option along with one or more options" 344 echo ' that indicate that you wish mergemaster to actually make updates' 345 echo ' (-F, -U, or -i), however these options are not compatible.' 346 echo ' Please read mergemaster(8) for more information.' 347 echo '' 348 exit 1 349 fi 350fi 351 352# Assign the location of the mtree database 353# 354MTREEDB=${MTREEDB:-${DESTDIR}/var/db} 355MTREEFILE="${MTREEDB}/mergemaster.mtree" 356 357# Don't force the user to set this in the mergemaster rc file 358if [ -n "${PRESERVE_FILES}" -a -z "${PRESERVE_FILES_DIR}" ]; then 359 PRESERVE_FILES_DIR=/var/tmp/mergemaster/preserved-files-`date +%y%m%d-%H%M%S` 360 mkdir -p ${PRESERVE_FILES_DIR} 361fi 362 363# Check for the mtree database in DESTDIR 364case "${AUTO_UPGRADE}" in 365'') ;; # If the option is not set no need to run the test or warn the user 366*) 367 if [ ! -s "${MTREEFILE}" ]; then 368 echo '' 369 echo "*** Unable to find mtree database (${MTREEFILE})." 370 echo " Skipping auto-upgrade on this run." 371 echo " It will be created for the next run when this one is complete." 372 echo '' 373 case "${AUTO_RUN}" in 374 '') 375 press_to_continue 376 ;; 377 esac 378 unset AUTO_UPGRADE 379 fi 380 ;; 381esac 382 383if [ -e "${DESTDIR}/etc/fstab" ]; then 384 if grep -q nodev ${DESTDIR}/etc/fstab; then 385 echo '' 386 echo "*** You have the deprecated 'nodev' option in ${DESTDIR}/etc/fstab." 387 echo " This can prevent the filesystem from being mounted on reboot." 388 echo " Please update your fstab before continuing." 389 echo " See fstab(5) for more information." 390 echo '' 391 exit 1 392 fi 393fi 394 395echo '' 396 397# If the user has a pager defined, make sure we can run it 398# 399case "${DONT_CHECK_PAGER}" in 400'') 401check_pager () { 402 while ! type "${PAGER%% *}" >/dev/null; do 403 echo " *** Your PAGER environment variable specifies '${PAGER}', but" 404 echo " due to the limited PATH that I use for security reasons," 405 echo " I cannot execute it. So, what would you like to do?" 406 echo '' 407 echo " Use 'e' to exit mergemaster and fix your PAGER variable" 408 if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then 409 echo " Use 'l' to set PAGER to 'less' for this run" 410 fi 411 echo " Use 'm' to use plain old 'more' as your PAGER for this run" 412 echo '' 413 echo " Default is to use plain old 'more' " 414 echo '' 415 echo -n "What should I do? [Use 'more'] " 416 read FIXPAGER 417 418 case "${FIXPAGER}" in 419 [eE]) 420 exit 0 421 ;; 422 [lL]) 423 if [ -x /usr/bin/less ]; then 424 PAGER=/usr/bin/less 425 elif [ -x /usr/local/bin/less ]; then 426 PAGER=/usr/local/bin/less 427 else 428 echo '' 429 echo " *** Fatal Error:" 430 echo " You asked to use 'less' as your pager, but I can't" 431 echo " find it in /usr/bin or /usr/local/bin" 432 exit 1 433 fi 434 ;; 435 [mM]|'') 436 PAGER=more 437 ;; 438 *) 439 echo '' 440 echo "invalid choice: ${FIXPAGER}" 441 esac 442 echo '' 443 done 444} 445 if [ -n "${PAGER}" ]; then 446 check_pager 447 fi 448 ;; 449esac 450 451# If user has a pager defined, or got assigned one above, use it. 452# If not, use more. 453# 454PAGER=${PAGER:-more} 455 456if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then 457 echo " *** You have ${PAGER} defined as your pager so we will use that" 458 echo '' 459 sleep 3 460fi 461 462# Assign the diff flag once so we will not have to keep testing it 463# 464DIFF_FLAG=${DIFF_FLAG:--u} 465 466# Assign the source directory 467# 468SOURCEDIR=${SOURCEDIR:-/usr/src} 469if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \ 470 -f ${SOURCEDIR}/../Makefile.inc1 ]; then 471 echo " *** The source directory you specified (${SOURCEDIR})" 472 echo " will be reset to ${SOURCEDIR}/.." 473 echo '' 474 sleep 3 475 SOURCEDIR=${SOURCEDIR}/.. 476fi 477 478# Setup make to use system files from SOURCEDIR 479MM_MAKE="make ${ARCHSTRING} -m ${SOURCEDIR}/share/mk" 480 481# Check DESTDIR against the mergemaster mtree database to see what 482# files the user changed from the reference files. 483# 484if [ -n "${AUTO_UPGRADE}" -a -s "${MTREEFILE}" ]; then 485 CHANGED=: 486 for file in `mtree -eqL -f ${MTREEFILE} -p ${DESTDIR}/ \ 487 2>/dev/null | awk '($2 == "changed") {print $1}'`; do 488 if [ -f "${DESTDIR}/$file" ]; then 489 CHANGED="${CHANGED}${DESTDIR}/${file}:" 490 fi 491 done 492 [ "$CHANGED" = ':' ] && unset CHANGED 493fi 494 495# Check the width of the user's terminal 496# 497if [ -t 0 ]; then 498 w=`tput columns` 499 case "${w}" in 500 0|'') ;; # No-op, since the input is not valid 501 *) 502 case "${SCREEN_WIDTH}" in 503 '') SCREEN_WIDTH="${w}" ;; 504 "${w}") ;; # No-op, since they are the same 505 *) 506 echo -n "*** You entered ${SCREEN_WIDTH} as your screen width, but stty " 507 echo "thinks it is ${w}." 508 echo '' 509 echo -n "What would you like to use? [${w}] " 510 read SCREEN_WIDTH 511 case "${SCREEN_WIDTH}" in 512 '') SCREEN_WIDTH="${w}" ;; 513 esac 514 ;; 515 esac 516 esac 517fi 518 519# Define what CVS $Id tag to look for to aid portability. 520# 521CVS_ID_TAG=FreeBSD 522 523delete_temproot () { 524 rm -rf "${TEMPROOT}" 2>/dev/null 525 chflags -R 0 "${TEMPROOT}" 2>/dev/null 526 rm -rf "${TEMPROOT}" || { echo "*** Unable to delete ${TEMPROOT}"; exit 1; } 527} 528 529case "${RERUN}" in 530'') 531 # Set up the loop to test for the existence of the 532 # temp root directory. 533 # 534 TEST_TEMP_ROOT=yes 535 while [ "${TEST_TEMP_ROOT}" = "yes" ]; do 536 if [ -d "${TEMPROOT}" ]; then 537 echo "*** The directory specified for the temporary root environment," 538 echo " ${TEMPROOT}, exists. This can be a security risk if untrusted" 539 echo " users have access to the system." 540 echo '' 541 case "${AUTO_RUN}" in 542 '') 543 echo " Use 'd' to delete the old ${TEMPROOT} and continue" 544 echo " Use 't' to select a new temporary root directory" 545 echo " Use 'e' to exit mergemaster" 546 echo '' 547 echo " Default is to use ${TEMPROOT} as is" 548 echo '' 549 echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] " 550 read DELORNOT 551 552 case "${DELORNOT}" in 553 [dD]) 554 echo '' 555 echo " *** Deleting the old ${TEMPROOT}" 556 echo '' 557 delete_temproot 558 unset TEST_TEMP_ROOT 559 ;; 560 [tT]) 561 echo " *** Enter new directory name for temporary root environment" 562 read TEMPROOT 563 ;; 564 [eE]) 565 exit 0 566 ;; 567 '') 568 echo '' 569 echo " *** Leaving ${TEMPROOT} intact" 570 echo '' 571 unset TEST_TEMP_ROOT 572 ;; 573 *) 574 echo '' 575 echo "invalid choice: ${DELORNOT}" 576 echo '' 577 ;; 578 esac 579 ;; 580 *) 581 # If this is an auto-run, try a hopefully safe alternative then 582 # re-test anyway. 583 TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S` 584 ;; 585 esac 586 else 587 unset TEST_TEMP_ROOT 588 fi 589 done 590 591 echo "*** Creating the temporary root environment in ${TEMPROOT}" 592 593 if mkdir -p "${TEMPROOT}"; then 594 echo " *** ${TEMPROOT} ready for use" 595 fi 596 597 if [ ! -d "${TEMPROOT}" ]; then 598 echo '' 599 echo " *** FATAL ERROR: Cannot create ${TEMPROOT}" 600 echo '' 601 exit 1 602 fi 603 604 echo " *** Creating and populating directory structure in ${TEMPROOT}" 605 echo '' 606 607 case "${VERBOSE}" in 608 '') ;; 609 *) 610 press_to_continue 611 ;; 612 esac 613 614 case "${PRE_WORLD}" in 615 '') 616 { cd ${SOURCEDIR} && 617 case "${DESTDIR}" in 618 '') ;; 619 *) 620 ${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs >/dev/null 621 ;; 622 esac 623 od=${TEMPROOT}/usr/obj 624 ${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs >/dev/null && 625 MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc >/dev/null && 626 MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc >/dev/null && 627 MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution >/dev/null;} || 628 { echo ''; 629 echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to"; 630 echo " the temproot environment"; 631 echo ''; 632 exit 1;} 633 ;; 634 *) 635 # Only set up files that are crucial to {build|install}world 636 { mkdir -p ${TEMPROOT}/etc && 637 cp -p ${SOURCEDIR}/etc/master.passwd ${TEMPROOT}/etc && 638 cp -p ${SOURCEDIR}/etc/group ${TEMPROOT}/etc;} || 639 { echo ''; 640 echo ' *** FATAL ERROR: Cannot copy files to the temproot environment'; 641 echo ''; 642 exit 1;} 643 ;; 644 esac 645 646 # Doing the inventory and removing files that we don't want to compare only 647 # makes sense if we are not doing a rerun, since we have no way of knowing 648 # what happened to the files during previous incarnations. 649 case "${VERBOSE}" in 650 '') ;; 651 *) 652 echo '' 653 echo ' *** The following files exist only in the installed version of' 654 echo " ${DESTDIR}/etc. In the vast majority of cases these files" 655 echo ' are necessary parts of the system and should not be deleted.' 656 echo ' However because these files are not updated by this process you' 657 echo ' might want to verify their status before rebooting your system.' 658 echo '' 659 press_to_continue 660 diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in ${DESTDIR}/etc" | ${PAGER} 661 echo '' 662 press_to_continue 663 ;; 664 esac 665 666 case "${IGNORE_MOTD}" in 667 '') ;; 668 *) 669 echo '' 670 echo "*** You have the IGNORE_MOTD option set in your mergemaster rc file." 671 echo " This option is deprecated in favor of the IGNORE_FILES option." 672 echo " Please update your rc file accordingly." 673 echo '' 674 exit 1 675 ;; 676 esac 677 678 # Avoid comparing the following user specified files 679 for file in ${IGNORE_FILES}; do 680 test -e ${TEMPROOT}/${file} && unlink ${TEMPROOT}/${file} 681 done 682 683 # We really don't want to have to deal with files like login.conf.db, pwd.db, 684 # or spwd.db. Instead, we want to compare the text versions, and run *_mkdb. 685 # Prompt the user to do so below, as needed. 686 # 687 rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd 688 689 # We only need to compare things like freebsd.cf once 690 find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null 691 692 # Delete stuff we do not need to keep the mtree database small, 693 # and to make the actual comparison faster. 694 find ${TEMPROOT}/usr -type l -delete 2>/dev/null 695 find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null 696 find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null 697 698 # Build the mtree database in a temporary location. 699 case "${PRE_WORLD}" in 700 '') MTREENEW=`mktemp -t mergemaster.mtree` 701 mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null 702 ;; 703 *) # We don't want to mess with the mtree database on a pre-world run or 704 # when re-scanning a previously-built tree. 705 ;; 706 esac 707 ;; # End of the "RERUN" test 708esac 709 710# Get ready to start comparing files 711 712# Check umask if not specified on the command line, 713# and we are not doing an autorun 714# 715if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then 716 USER_UMASK=`umask` 717 case "${USER_UMASK}" in 718 0022|022) ;; 719 *) 720 echo '' 721 echo " *** Your umask is currently set to ${USER_UMASK}. By default, this script" 722 echo " installs all files with the same user, group and modes that" 723 echo " they are created with by ${SOURCEDIR}/etc/Makefile, compared to" 724 echo " a umask of 022. This umask allows world read permission when" 725 echo " the file's default permissions have it." 726 echo '' 727 echo " No world permissions can sometimes cause problems. A umask of" 728 echo " 022 will restore the default behavior, but is not mandatory." 729 echo " /etc/master.passwd is a special case. Its file permissions" 730 echo " will be 600 (rw-------) if installed." 731 echo '' 732 echo -n "What umask should I use? [${USER_UMASK}] " 733 read NEW_UMASK 734 735 NEW_UMASK="${NEW_UMASK:-$USER_UMASK}" 736 ;; 737 esac 738 echo '' 739fi 740 741CONFIRMED_UMASK=${NEW_UMASK:-0022} 742 743# 744# Warn users who still have old rc files 745# 746for file in atm devfs diskless1 diskless2 network network6 pccard \ 747 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 748 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 749 OLD_RC_PRESENT=1 750 break 751 fi 752done 753 754case "${OLD_RC_PRESENT}" in 7551) 756 echo '' 757 echo " *** There are elements of the old rc system in ${DESTDIR}/etc/." 758 echo '' 759 echo ' While these scripts will not hurt anything, they are not' 760 echo ' functional on an up to date system, and can be removed.' 761 echo '' 762 763 case "${AUTO_RUN}" in 764 '') 765 echo -n 'Move these files to /var/tmp/mergemaster/old_rc? [yes] ' 766 read MOVE_OLD_RC 767 768 case "${MOVE_OLD_RC}" in 769 [nN]*) ;; 770 *) 771 mkdir -p /var/tmp/mergemaster/old_rc 772 for file in atm devfs diskless1 diskless2 network network6 pccard \ 773 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 774 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 775 mv ${DESTDIR}/etc/rc.${file} /var/tmp/mergemaster/old_rc/ 776 fi 777 done 778 echo ' The files have been moved' 779 press_to_continue 780 ;; 781 esac 782 ;; 783 *) ;; 784 esac 785esac 786 787# Use the umask/mode information to install the files 788# Create directories as needed 789# 790install_error () { 791 echo "*** FATAL ERROR: Unable to install ${1} to ${2}" 792 echo '' 793 exit 1 794} 795 796do_install_and_rm () { 797 case "${PRESERVE_FILES}" in 798 [Yy][Ee][Ss]) 799 if [ -f "${3}/${2##*/}" ]; then 800 mkdir -p ${PRESERVE_FILES_DIR}/${2%/*} 801 cp ${3}/${2##*/} ${PRESERVE_FILES_DIR}/${2%/*} 802 fi 803 ;; 804 esac 805 806 if [ ! -d "${3}/${2##*/}" ]; then 807 if install -m ${1} ${2} ${3}; then 808 unlink ${2} 809 else 810 install_error ${2} ${3} 811 fi 812 else 813 install_error ${2} ${3} 814 fi 815} 816 817# 4095 = "obase=10;ibase=8;07777" | bc 818find_mode () { 819 local OCTAL 820 OCTAL=$(( ~$(echo "obase=10; ibase=8; ${CONFIRMED_UMASK}" | bc) & 4095 & 821 $(echo "obase=10; ibase=8; $(stat -f "%OMp%OLp" ${1})" | bc) )) 822 printf "%04o\n" ${OCTAL} 823} 824 825mm_install () { 826 local INSTALL_DIR 827 INSTALL_DIR=${1#.} 828 INSTALL_DIR=${INSTALL_DIR%/*} 829 830 case "${INSTALL_DIR}" in 831 '') 832 INSTALL_DIR=/ 833 ;; 834 esac 835 836 if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then 837 DIR_MODE=`find_mode "${TEMPROOT}/${INSTALL_DIR}"` 838 install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}" || 839 install_error $1 ${DESTDIR}${INSTALL_DIR} 840 fi 841 842 FILE_MODE=`find_mode "${1}"` 843 844 if [ ! -x "${1}" ]; then 845 case "${1#.}" in 846 /etc/mail/aliases) 847 NEED_NEWALIASES=yes 848 ;; 849 /etc/login.conf) 850 NEED_CAP_MKDB=yes 851 ;; 852 /etc/services) 853 NEED_SERVICES_MKDB=yes 854 ;; 855 /etc/master.passwd) 856 do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}" 857 NEED_PWD_MKDB=yes 858 DONT_INSTALL=yes 859 ;; 860 /.cshrc | /.profile) 861 local st_nlink 862 863 # install will unlink the file before it installs the new one, 864 # so we have to restore/create the link afterwards. 865 # 866 st_nlink=0 # In case the file does not yet exist 867 eval $(stat -s ${DESTDIR}${COMPFILE#.} 2>/dev/null) 868 869 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 870 871 if [ -n "${AUTO_INSTALL}" -a $st_nlink -gt 1 ]; then 872 HANDLE_LINK=l 873 else 874 case "${LINK_EXPLAINED}" in 875 '') 876 echo " *** Historically BSD derived systems have had a" 877 echo " hard link from /.cshrc and /.profile to" 878 echo " their namesakes in /root. Please indicate" 879 echo " your preference below for bringing your" 880 echo " installed files up to date." 881 echo '' 882 LINK_EXPLAINED=yes 883 ;; 884 esac 885 886 echo " Use 'd' to delete the temporary ${COMPFILE}" 887 echo " Use 'l' to delete the existing ${DESTDIR}/root/${COMPFILE##*/} and create the link" 888 echo '' 889 echo " Default is to leave the temporary file to deal with by hand" 890 echo '' 891 echo -n " How should I handle ${COMPFILE}? [Leave it to install later] " 892 read HANDLE_LINK 893 fi 894 895 case "${HANDLE_LINK}" in 896 [dD]*) 897 rm "${COMPFILE}" 898 echo '' 899 echo " *** Deleting ${COMPFILE}" 900 ;; 901 [lL]*) 902 echo '' 903 unlink ${DESTDIR}/root/${COMPFILE##*/} 904 if ln ${DESTDIR}${COMPFILE#.} ${DESTDIR}/root/${COMPFILE##*/}; then 905 echo " *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully" 906 else 907 echo " *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}" 908 echo " *** ${COMPFILE} will remain for your consideration" 909 fi 910 ;; 911 *) 912 echo " *** ${COMPFILE} will remain for your consideration" 913 ;; 914 esac 915 return 916 ;; 917 esac 918 919 case "${DONT_INSTALL}" in 920 '') 921 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 922 ;; 923 *) 924 unset DONT_INSTALL 925 ;; 926 esac 927 else # File matched -x 928 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 929 fi 930 return $? 931} 932 933if [ ! -d "${TEMPROOT}" ]; then 934 echo "*** FATAL ERROR: The temproot directory (${TEMPROOT})" 935 echo ' has disappeared!' 936 echo '' 937 exit 1 938fi 939 940echo '' 941echo "*** Beginning comparison" 942echo '' 943 944# Pre-world does not populate /etc/rc.d. 945# It is very possible that a previous run would have deleted files in 946# ${TEMPROOT}/etc/rc.d, thus creating a lot of false positives. 947if [ -z "${PRE_WORLD}" -a -z "${RERUN}" ]; then 948 echo " *** Checking ${DESTDIR}/etc/rc.d for stale files" 949 echo '' 950 cd "${DESTDIR}/etc/rc.d" && 951 for file in *; do 952 if [ ! -e "${TEMPROOT}/etc/rc.d/${file}" ]; then 953 STALE_RC_FILES="${STALE_RC_FILES} ${file}" 954 fi 955 done 956 case "${STALE_RC_FILES}" in 957 ''|' *') 958 echo ' *** No stale files found' 959 ;; 960 *) 961 echo " *** The following files exist in ${DESTDIR}/etc/rc.d but not in" 962 echo " ${TEMPROOT}/etc/rc.d/:" 963 echo '' 964 echo "${STALE_RC_FILES}" 965 echo '' 966 echo ' The presence of stale files in this directory can cause the' 967 echo ' dreaded unpredictable results, and therefore it is highly' 968 echo ' recommended that you delete them.' 969 case "${AUTO_RUN}" in 970 '') 971 echo '' 972 echo -n ' *** Delete them now? [n] ' 973 read DELETE_STALE_RC_FILES 974 case "${DELETE_STALE_RC_FILES}" in 975 [yY]) 976 echo ' *** Deleting ... ' 977 rm ${STALE_RC_FILES} 978 echo ' done.' 979 ;; 980 *) 981 echo ' *** Files will not be deleted' 982 ;; 983 esac 984 sleep 2 985 ;; 986 *) 987 if [ -n "${DELETE_STALE_RC_FILES}" ]; then 988 echo ' *** Deleting ... ' 989 rm ${STALE_RC_FILES} 990 echo ' done.' 991 fi 992 esac 993 ;; 994 esac 995 echo '' 996fi 997 998cd "${TEMPROOT}" 999 1000if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then 1001 . "${MM_PRE_COMPARE_SCRIPT}" 1002fi 1003 1004# Things that were files/directories/links in one version can sometimes 1005# change to something else in a newer version. So we need to explicitly 1006# test for this, and warn the user if what we find does not match. 1007# 1008for COMPFILE in `find . | sort` ; do 1009 if [ -e "${DESTDIR}${COMPFILE#.}" ]; then 1010 INSTALLED_TYPE=`stat -f '%HT' ${DESTDIR}${COMPFILE#.}` 1011 else 1012 continue 1013 fi 1014 TEMPROOT_TYPE=`stat -f '%HT' $COMPFILE` 1015 1016 if [ ! "$TEMPROOT_TYPE" = "$INSTALLED_TYPE" ]; then 1017 [ "$COMPFILE" = '.' ] && continue 1018 TEMPROOT_TYPE=`echo $TEMPROOT_TYPE | tr [:upper:] [:lower:]` 1019 INSTALLED_TYPE=`echo $INSTALLED_TYPE | tr [:upper:] [:lower:]` 1020 1021 echo "*** The installed file ${DESTDIR}${COMPFILE#.} has the type \"$INSTALLED_TYPE\"" 1022 echo " but the new version has the type \"$TEMPROOT_TYPE\"" 1023 echo '' 1024 echo " How would you like to handle this?" 1025 echo '' 1026 echo " Use 'r' to remove ${DESTDIR}${COMPFILE#.}" 1027 case "$TEMPROOT_TYPE" in 1028 'symbolic link') 1029 TARGET=`readlink $COMPFILE` 1030 echo " and create a link to $TARGET in its place" ;; 1031 *) echo " You will be able to install it as a \"$TEMPROOT_TYPE\"" ;; 1032 esac 1033 echo '' 1034 echo " Use 'i' to ignore this" 1035 echo '' 1036 echo -n " How to proceed? [i] " 1037 read ANSWER 1038 case "$ANSWER" in 1039 [rR]) case "${PRESERVE_FILES}" in 1040 [Yy][Ee][Ss]) 1041 mv ${DESTDIR}${COMPFILE#.} ${PRESERVE_FILES_DIR}/ || exit 1 ;; 1042 *) rm -rf ${DESTDIR}${COMPFILE#.} ;; 1043 esac 1044 case "$TEMPROOT_TYPE" in 1045 'symbolic link') ln -sf $TARGET ${DESTDIR}${COMPFILE#.} ;; 1046 esac ;; 1047 *) echo '' 1048 echo "*** See the man page about adding ${COMPFILE#.} to the list of IGNORE_FILES" 1049 press_to_continue ;; 1050 esac 1051 echo '' 1052 fi 1053done 1054 1055for COMPFILE in `find . -type f | sort`; do 1056 1057 # First, check to see if the file exists in DESTDIR. If not, the 1058 # diff_loop function knows how to handle it. 1059 # 1060 if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then 1061 case "${AUTO_RUN}" in 1062 '') 1063 diff_loop 1064 ;; 1065 *) 1066 case "${AUTO_INSTALL}" in 1067 '') 1068 # If this is an auto run, make it official 1069 echo " *** ${COMPFILE} will remain for your consideration" 1070 ;; 1071 *) 1072 diff_loop 1073 ;; 1074 esac 1075 ;; 1076 esac # Auto run test 1077 continue 1078 fi 1079 1080 case "${STRICT}" in 1081 '' | [Nn][Oo]) 1082 # Compare CVS $Id's first so if the file hasn't been modified 1083 # local changes will be ignored. 1084 # If the files have the same $Id, delete the one in temproot so the 1085 # user will have less to wade through if files are left to merge by hand. 1086 # 1087 CVSID1=`grep "[$]${CVS_ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null` 1088 CVSID2=`grep "[$]${CVS_ID_TAG}:" ${COMPFILE} 2>/dev/null` || CVSID2=none 1089 1090 case "${CVSID2}" in 1091 "${CVSID1}") 1092 echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting" 1093 rm "${COMPFILE}" 1094 ;; 1095 esac 1096 ;; 1097 esac 1098 1099 # If the file is still here either because the $Ids are different, the 1100 # file doesn't have an $Id, or we're using STRICT mode; look at the diff. 1101 # 1102 if [ -f "${COMPFILE}" ]; then 1103 1104 # Do an absolute diff first to see if the files are actually different. 1105 # If they're not different, delete the one in temproot. 1106 # 1107 if diff -q ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1108 /dev/null 2>&1; then 1109 echo " *** Temp ${COMPFILE} and installed are the same, deleting" 1110 rm "${COMPFILE}" 1111 else 1112 # Ok, the files are different, so show the user where they differ. 1113 # Use user's choice of diff methods; and user's pager if they have one. 1114 # Use more if not. 1115 # Use unified diffs by default. Context diffs give me a headache. :) 1116 # 1117 # If the user chose the -F option, test for that before proceeding 1118 # 1119 if [ -n "$FREEBSD_ID" ]; then 1120 if diff -q -I'[$]FreeBSD.*[$]' "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1121 /dev/null 2>&1; then 1122 if mm_install "${COMPFILE}"; then 1123 echo "*** Updated revision control Id for ${DESTDIR}${COMPFILE#.}" 1124 else 1125 echo "*** Problem installing ${COMPFILE}, it will remain to merge by hand later" 1126 fi 1127 continue 1128 fi 1129 fi 1130 case "${AUTO_RUN}" in 1131 '') 1132 # prompt user to install/delete/merge changes 1133 diff_loop 1134 ;; 1135 *) 1136 # If this is an auto run, make it official 1137 echo " *** ${COMPFILE} will remain for your consideration" 1138 ;; 1139 esac # Auto run test 1140 fi # Yes, the files are different 1141 fi # Yes, the file still remains to be checked 1142done # This is for the for way up there at the beginning of the comparison 1143 1144echo '' 1145echo "*** Comparison complete" 1146 1147if [ -s "${MTREENEW}" ]; then 1148 echo "*** Saving mtree database for future upgrades" 1149 test -e "${MTREEFILE}" && unlink ${MTREEFILE} 1150 mv ${MTREENEW} ${MTREEFILE} 1151fi 1152 1153echo '' 1154 1155TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null` 1156if [ -n "${TEST_FOR_FILES}" ]; then 1157 echo "*** Files that remain for you to merge by hand:" 1158 find "${TEMPROOT}" -type f -size +0 | sort 1159 echo '' 1160 1161 case "${AUTO_RUN}" in 1162 '') 1163 echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] " 1164 read DEL_TEMPROOT 1165 case "${DEL_TEMPROOT}" in 1166 [yY]*) 1167 delete_temproot 1168 ;; 1169 *) 1170 echo " *** ${TEMPROOT} will remain" 1171 ;; 1172 esac 1173 ;; 1174 *) ;; 1175 esac 1176else 1177 echo "*** ${TEMPROOT} is empty, deleting" 1178 delete_temproot 1179fi 1180 1181case "${AUTO_INSTALLED_FILES}" in 1182'') ;; 1183*) 1184 case "${AUTO_RUN}" in 1185 '') 1186 ( 1187 echo '' 1188 echo '*** You chose the automatic install option for files that did not' 1189 echo ' exist on your system. The following were installed for you:' 1190 echo "${AUTO_INSTALLED_FILES}" 1191 ) | ${PAGER} 1192 ;; 1193 *) 1194 echo '' 1195 echo '*** You chose the automatic install option for files that did not' 1196 echo ' exist on your system. The following were installed for you:' 1197 echo "${AUTO_INSTALLED_FILES}" 1198 ;; 1199 esac 1200 ;; 1201esac 1202 1203case "${AUTO_UPGRADED_FILES}" in 1204'') ;; 1205*) 1206 case "${AUTO_RUN}" in 1207 '') 1208 ( 1209 echo '' 1210 echo '*** You chose the automatic upgrade option for files that you did' 1211 echo ' not alter on your system. The following were upgraded for you:' 1212 echo "${AUTO_UPGRADED_FILES}" 1213 ) | ${PAGER} 1214 ;; 1215 *) 1216 echo '' 1217 echo '*** You chose the automatic upgrade option for files that you did' 1218 echo ' not alter on your system. The following were upgraded for you:' 1219 echo "${AUTO_UPGRADED_FILES}" 1220 ;; 1221 esac 1222 ;; 1223esac 1224 1225run_it_now () { 1226 case "${AUTO_RUN}" in 1227 '') 1228 unset YES_OR_NO 1229 echo '' 1230 echo -n ' Would you like to run it now? y or n [n] ' 1231 read YES_OR_NO 1232 1233 case "${YES_OR_NO}" in 1234 y) 1235 echo " Running ${1}" 1236 echo '' 1237 eval "${1}" 1238 ;; 1239 ''|n) 1240 echo '' 1241 echo " *** Cancelled" 1242 echo '' 1243 echo " Make sure to run ${1} yourself" 1244 ;; 1245 *) 1246 echo '' 1247 echo " *** Sorry, I do not understand your answer (${YES_OR_NO})" 1248 echo '' 1249 echo " Make sure to run ${1} yourself" 1250 esac 1251 ;; 1252 *) ;; 1253 esac 1254} 1255 1256case "${NEED_NEWALIASES}" in 1257'') ;; 1258*) 1259 echo '' 1260 if [ -n "${DESTDIR}" ]; then 1261 echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but" 1262 echo " the newaliases command is limited to the directories configured" 1263 echo " in sendmail.cf. Make sure to create your aliases database by" 1264 echo " hand when your sendmail configuration is done." 1265 else 1266 echo "*** You installed a new aliases file, so make sure that you run" 1267 echo " '/usr/bin/newaliases' to rebuild your aliases database" 1268 run_it_now '/usr/bin/newaliases' 1269 fi 1270 ;; 1271esac 1272 1273case "${NEED_CAP_MKDB}" in 1274'') ;; 1275*) 1276 echo '' 1277 echo "*** You installed a login.conf file, so make sure that you run" 1278 echo " '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'" 1279 echo " to rebuild your login.conf database" 1280 run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf" 1281 ;; 1282esac 1283 1284case "${NEED_SERVICES_MKDB}" in 1285'') ;; 1286*) 1287 echo '' 1288 echo "*** You installed a services file, so make sure that you run" 1289 echo " '/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services'" 1290 echo " to rebuild your services database" 1291 run_it_now "/usr/sbin/services_mkdb -q -o ${DESTDIR}/var/db/services.db ${DESTDIR}/etc/services" 1292 ;; 1293esac 1294 1295case "${NEED_PWD_MKDB}" in 1296'') ;; 1297*) 1298 echo '' 1299 echo "*** You installed a new master.passwd file, so make sure that you run" 1300 if [ -n "${DESTDIR}" ]; then 1301 echo " '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'" 1302 echo " to rebuild your password files" 1303 run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd" 1304 else 1305 echo " '/usr/sbin/pwd_mkdb -p /etc/master.passwd'" 1306 echo " to rebuild your password files" 1307 run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd' 1308 fi 1309 ;; 1310esac 1311 1312echo '' 1313 1314if [ -r "${MM_EXIT_SCRIPT}" ]; then 1315 . "${MM_EXIT_SCRIPT}" 1316fi 1317 1318case "${COMP_CONFS}" in 1319'') ;; 1320*) 1321 . ${DESTDIR}/etc/defaults/rc.conf 1322 1323 (echo '' 1324 echo "*** Comparing conf files: ${rc_conf_files}" 1325 1326 for CONF_FILE in ${rc_conf_files}; do 1327 if [ -r "${DESTDIR}${CONF_FILE}" ]; then 1328 echo '' 1329 echo "*** From ${DESTDIR}${CONF_FILE}" 1330 echo "*** From ${DESTDIR}/etc/defaults/rc.conf" 1331 1332 for RC_CONF_VAR in `grep -i ^[a-z] ${DESTDIR}${CONF_FILE} | 1333 cut -d '=' -f 1`; do 1334 echo '' 1335 grep -w ^${RC_CONF_VAR} ${DESTDIR}${CONF_FILE} 1336 grep -w ^${RC_CONF_VAR} ${DESTDIR}/etc/defaults/rc.conf || 1337 echo ' * No default variable with this name' 1338 done 1339 fi 1340 done) | ${PAGER} 1341 echo '' 1342 ;; 1343esac 1344 1345case "${PRE_WORLD}" in 1346'') ;; 1347*) 1348 MAKE_CONF="${SOURCEDIR}/share/examples/etc/make.conf" 1349 1350 (echo '' 1351 echo '*** Comparing make variables' 1352 echo '' 1353 echo "*** From ${DESTDIR}/etc/make.conf" 1354 echo "*** From ${MAKE_CONF}" 1355 1356 for MAKE_VAR in `grep -i ^[a-z] ${DESTDIR}/etc/make.conf | cut -d '=' -f 1`; do 1357 echo '' 1358 grep -w ^${MAKE_VAR} ${DESTDIR}/etc/make.conf 1359 grep -w ^#${MAKE_VAR} ${MAKE_CONF} || 1360 echo ' * No example variable with this name' 1361 done) | ${PAGER} 1362 ;; 1363esac 1364 1365if [ -n "${PRESERVE_FILES}" ]; then 1366 find -d $PRESERVE_FILES_DIR -type d -empty -delete 2>/dev/null 1367 rmdir $PRESERVE_FILES_DIR 2>/dev/null 1368fi 1369 1370exit 0 1371