mergemaster.sh revision 202817
164562Sgshapiro#!/bin/sh 264562Sgshapiro 3261194Sgshapiro# mergemaster 464562Sgshapiro 564562Sgshapiro# Compare files created by /usr/src/etc/Makefile (or the directory 664562Sgshapiro# the user specifies) with the currently installed copies. 764562Sgshapiro 864562Sgshapiro# Copyright 1998-2010 Douglas Barton 964562Sgshapiro# DougB@FreeBSD.org 1064562Sgshapiro 1164562Sgshapiro# $FreeBSD: head/usr.sbin/mergemaster/mergemaster.sh 202817 2010-01-22 17:17:47Z dougb $ 1264562Sgshapiro 13266527SgshapiroPATH=/bin:/usr/bin:/usr/sbin 1464562Sgshapiro 1564562Sgshapirodisplay_usage () { 1664562Sgshapiro VERSION_NUMBER=`grep "[$]FreeBSD:" $0 | cut -d ' ' -f 4` 1764562Sgshapiro echo "mergemaster version ${VERSION_NUMBER}" 18 echo 'Usage: mergemaster [-scrvahipFCPU]' 19 echo ' [-m /path] [-t /path] [-d] [-u N] [-w N] [-A arch] [-D /path]' 20 echo "Options:" 21 echo " -s Strict comparison (diff every pair of files)" 22 echo " -c Use context diff instead of unified diff" 23 echo " -r Re-run on a previously cleaned directory (skip temproot creation)" 24 echo " -v Be more verbose about the process, include additional checks" 25 echo " -a Leave all files that differ to merge by hand" 26 echo " -h Display more complete help" 27 echo ' -i Automatically install files that do not exist in destination directory' 28 echo ' -p Pre-buildworld mode, only compares crucial files' 29 echo ' -F Install files that differ only by revision control Id ($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 339 340# Assign the location of the mtree database 341# 342MTREEDB=${MTREEDB:-${DESTDIR}/var/db} 343MTREEFILE="${MTREEDB}/mergemaster.mtree" 344 345# Don't force the user to set this in the mergemaster rc file 346if [ -n "${PRESERVE_FILES}" -a -z "${PRESERVE_FILES_DIR}" ]; then 347 PRESERVE_FILES_DIR=/var/tmp/mergemaster/preserved-files-`date +%y%m%d-%H%M%S` 348 mkdir -p ${PRESERVE_FILES_DIR} 349fi 350 351# Check for the mtree database in DESTDIR 352case "${AUTO_UPGRADE}" in 353'') ;; # If the option is not set no need to run the test or warn the user 354*) 355 if [ ! -s "${MTREEFILE}" ]; then 356 echo '' 357 echo "*** Unable to find mtree database (${MTREEFILE})." 358 echo " Skipping auto-upgrade on this run." 359 echo " It will be created for the next run when this one is complete." 360 echo '' 361 case "${AUTO_RUN}" in 362 '') 363 press_to_continue 364 ;; 365 esac 366 unset AUTO_UPGRADE 367 fi 368 ;; 369esac 370 371if [ -e "${DESTDIR}/etc/fstab" ]; then 372 if grep -q nodev ${DESTDIR}/etc/fstab; then 373 echo '' 374 echo "*** You have the deprecated 'nodev' option in ${DESTDIR}/etc/fstab." 375 echo " This can prevent the filesystem from being mounted on reboot." 376 echo " Please update your fstab before continuing." 377 echo " See fstab(5) for more information." 378 echo '' 379 exit 1 380 fi 381fi 382 383echo '' 384 385# If the user has a pager defined, make sure we can run it 386# 387case "${DONT_CHECK_PAGER}" in 388'') 389check_pager () { 390 while ! type "${PAGER%% *}" >/dev/null; do 391 echo " *** Your PAGER environment variable specifies '${PAGER}', but" 392 echo " due to the limited PATH that I use for security reasons," 393 echo " I cannot execute it. So, what would you like to do?" 394 echo '' 395 echo " Use 'e' to exit mergemaster and fix your PAGER variable" 396 if [ -x /usr/bin/less -o -x /usr/local/bin/less ]; then 397 echo " Use 'l' to set PAGER to 'less' for this run" 398 fi 399 echo " Use 'm' to use plain old 'more' as your PAGER for this run" 400 echo '' 401 echo " Default is to use plain old 'more' " 402 echo '' 403 echo -n "What should I do? [Use 'more'] " 404 read FIXPAGER 405 406 case "${FIXPAGER}" in 407 [eE]) 408 exit 0 409 ;; 410 [lL]) 411 if [ -x /usr/bin/less ]; then 412 PAGER=/usr/bin/less 413 elif [ -x /usr/local/bin/less ]; then 414 PAGER=/usr/local/bin/less 415 else 416 echo '' 417 echo " *** Fatal Error:" 418 echo " You asked to use 'less' as your pager, but I can't" 419 echo " find it in /usr/bin or /usr/local/bin" 420 exit 1 421 fi 422 ;; 423 [mM]|'') 424 PAGER=more 425 ;; 426 *) 427 echo '' 428 echo "invalid choice: ${FIXPAGER}" 429 esac 430 echo '' 431 done 432} 433 if [ -n "${PAGER}" ]; then 434 check_pager 435 fi 436 ;; 437esac 438 439# If user has a pager defined, or got assigned one above, use it. 440# If not, use more. 441# 442PAGER=${PAGER:-more} 443 444if [ -n "${VERBOSE}" -a ! "${PAGER}" = "more" ]; then 445 echo " *** You have ${PAGER} defined as your pager so we will use that" 446 echo '' 447 sleep 3 448fi 449 450# Assign the diff flag once so we will not have to keep testing it 451# 452DIFF_FLAG=${DIFF_FLAG:--u} 453 454# Assign the source directory 455# 456SOURCEDIR=${SOURCEDIR:-/usr/src} 457if [ ! -f ${SOURCEDIR}/Makefile.inc1 -a \ 458 -f ${SOURCEDIR}/../Makefile.inc1 ]; then 459 echo " *** The source directory you specified (${SOURCEDIR})" 460 echo " will be reset to ${SOURCEDIR}/.." 461 echo '' 462 sleep 3 463 SOURCEDIR=${SOURCEDIR}/.. 464fi 465 466# Setup make to use system files from SOURCEDIR 467MM_MAKE="make ${ARCHSTRING} -m ${SOURCEDIR}/share/mk" 468 469# Check DESTDIR against the mergemaster mtree database to see what 470# files the user changed from the reference files. 471# 472if [ -n "${AUTO_UPGRADE}" -a -s "${MTREEFILE}" ]; then 473 CHANGED=: 474 for file in `mtree -eqL -f ${MTREEFILE} -p ${DESTDIR}/ \ 475 2>/dev/null | awk '($2 == "changed") {print $1}'`; do 476 if [ -f "${DESTDIR}/$file" ]; then 477 CHANGED="${CHANGED}${DESTDIR}/${file}:" 478 fi 479 done 480 [ "$CHANGED" = ':' ] && unset CHANGED 481fi 482 483# Check the width of the user's terminal 484# 485if [ -t 0 ]; then 486 w=`tput columns` 487 case "${w}" in 488 0|'') ;; # No-op, since the input is not valid 489 *) 490 case "${SCREEN_WIDTH}" in 491 '') SCREEN_WIDTH="${w}" ;; 492 "${w}") ;; # No-op, since they are the same 493 *) 494 echo -n "*** You entered ${SCREEN_WIDTH} as your screen width, but stty " 495 echo "thinks it is ${w}." 496 echo '' 497 echo -n "What would you like to use? [${w}] " 498 read SCREEN_WIDTH 499 case "${SCREEN_WIDTH}" in 500 '') SCREEN_WIDTH="${w}" ;; 501 esac 502 ;; 503 esac 504 esac 505fi 506 507# Define what CVS $Id tag to look for to aid portability. 508# 509CVS_ID_TAG=FreeBSD 510 511delete_temproot () { 512 rm -rf "${TEMPROOT}" 2>/dev/null 513 chflags -R 0 "${TEMPROOT}" 2>/dev/null 514 rm -rf "${TEMPROOT}" || { echo "*** Unable to delete ${TEMPROOT}"; exit 1; } 515} 516 517case "${RERUN}" in 518'') 519 # Set up the loop to test for the existence of the 520 # temp root directory. 521 # 522 TEST_TEMP_ROOT=yes 523 while [ "${TEST_TEMP_ROOT}" = "yes" ]; do 524 if [ -d "${TEMPROOT}" ]; then 525 echo "*** The directory specified for the temporary root environment," 526 echo " ${TEMPROOT}, exists. This can be a security risk if untrusted" 527 echo " users have access to the system." 528 echo '' 529 case "${AUTO_RUN}" in 530 '') 531 echo " Use 'd' to delete the old ${TEMPROOT} and continue" 532 echo " Use 't' to select a new temporary root directory" 533 echo " Use 'e' to exit mergemaster" 534 echo '' 535 echo " Default is to use ${TEMPROOT} as is" 536 echo '' 537 echo -n "How should I deal with this? [Use the existing ${TEMPROOT}] " 538 read DELORNOT 539 540 case "${DELORNOT}" in 541 [dD]) 542 echo '' 543 echo " *** Deleting the old ${TEMPROOT}" 544 echo '' 545 delete_temproot 546 unset TEST_TEMP_ROOT 547 ;; 548 [tT]) 549 echo " *** Enter new directory name for temporary root environment" 550 read TEMPROOT 551 ;; 552 [eE]) 553 exit 0 554 ;; 555 '') 556 echo '' 557 echo " *** Leaving ${TEMPROOT} intact" 558 echo '' 559 unset TEST_TEMP_ROOT 560 ;; 561 *) 562 echo '' 563 echo "invalid choice: ${DELORNOT}" 564 echo '' 565 ;; 566 esac 567 ;; 568 *) 569 # If this is an auto-run, try a hopefully safe alternative then 570 # re-test anyway. 571 TEMPROOT=/var/tmp/temproot.`date +%m%d.%H.%M.%S` 572 ;; 573 esac 574 else 575 unset TEST_TEMP_ROOT 576 fi 577 done 578 579 echo "*** Creating the temporary root environment in ${TEMPROOT}" 580 581 if mkdir -p "${TEMPROOT}"; then 582 echo " *** ${TEMPROOT} ready for use" 583 fi 584 585 if [ ! -d "${TEMPROOT}" ]; then 586 echo '' 587 echo " *** FATAL ERROR: Cannot create ${TEMPROOT}" 588 echo '' 589 exit 1 590 fi 591 592 echo " *** Creating and populating directory structure in ${TEMPROOT}" 593 echo '' 594 595 case "${VERBOSE}" in 596 '') ;; 597 *) 598 press_to_continue 599 ;; 600 esac 601 602 case "${PRE_WORLD}" in 603 '') 604 { cd ${SOURCEDIR} && 605 case "${DESTDIR}" in 606 '') ;; 607 *) 608 ${MM_MAKE} DESTDIR=${DESTDIR} distrib-dirs 609 ;; 610 esac 611 od=${TEMPROOT}/usr/obj 612 ${MM_MAKE} DESTDIR=${TEMPROOT} distrib-dirs && 613 MAKEOBJDIRPREFIX=$od ${MM_MAKE} _obj SUBDIR_OVERRIDE=etc && 614 MAKEOBJDIRPREFIX=$od ${MM_MAKE} everything SUBDIR_OVERRIDE=etc && 615 MAKEOBJDIRPREFIX=$od ${MM_MAKE} DESTDIR=${TEMPROOT} distribution;} || 616 { echo ''; 617 echo " *** FATAL ERROR: Cannot 'cd' to ${SOURCEDIR} and install files to"; 618 echo " the temproot environment"; 619 echo ''; 620 exit 1;} 621 ;; 622 *) 623 # Only set up files that are crucial to {build|install}world 624 { mkdir -p ${TEMPROOT}/etc && 625 cp -p ${SOURCEDIR}/etc/master.passwd ${TEMPROOT}/etc && 626 cp -p ${SOURCEDIR}/etc/group ${TEMPROOT}/etc;} || 627 { echo ''; 628 echo ' *** FATAL ERROR: Cannot copy files to the temproot environment'; 629 echo ''; 630 exit 1;} 631 ;; 632 esac 633 634 # Doing the inventory and removing files that we don't want to compare only 635 # makes sense if we are not doing a rerun, since we have no way of knowing 636 # what happened to the files during previous incarnations. 637 case "${VERBOSE}" in 638 '') ;; 639 *) 640 echo '' 641 echo ' *** The following files exist only in the installed version of' 642 echo " ${DESTDIR}/etc. In the vast majority of cases these files" 643 echo ' are necessary parts of the system and should not be deleted.' 644 echo ' However because these files are not updated by this process you' 645 echo ' might want to verify their status before rebooting your system.' 646 echo '' 647 press_to_continue 648 diff -qr ${DESTDIR}/etc ${TEMPROOT}/etc | grep "^Only in ${DESTDIR}/etc" | ${PAGER} 649 echo '' 650 press_to_continue 651 ;; 652 esac 653 654 case "${IGNORE_MOTD}" in 655 '') ;; 656 *) 657 echo '' 658 echo "*** You have the IGNORE_MOTD option set in your mergemaster rc file." 659 echo " This option is deprecated in favor of the IGNORE_FILES option." 660 echo " Please update your rc file accordingly." 661 echo '' 662 exit 1 663 ;; 664 esac 665 666 # Avoid comparing the following user specified files 667 for file in ${IGNORE_FILES}; do 668 test -e ${TEMPROOT}/${file} && unlink ${TEMPROOT}/${file} 669 done 670 671 # We really don't want to have to deal with files like login.conf.db, pwd.db, 672 # or spwd.db. Instead, we want to compare the text versions, and run *_mkdb. 673 # Prompt the user to do so below, as needed. 674 # 675 rm -f ${TEMPROOT}/etc/*.db ${TEMPROOT}/etc/passwd 676 677 # We only need to compare things like freebsd.cf once 678 find ${TEMPROOT}/usr/obj -type f -delete 2>/dev/null 679 680 # Delete stuff we do not need to keep the mtree database small, 681 # and to make the actual comparison faster. 682 find ${TEMPROOT}/usr -type l -delete 2>/dev/null 683 find ${TEMPROOT} -type f -size 0 -delete 2>/dev/null 684 find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null 685 686 # Build the mtree database in a temporary location. 687 case "${PRE_WORLD}" in 688 '') MTREENEW=`mktemp -t mergemaster.mtree` 689 mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null 690 ;; 691 *) # We don't want to mess with the mtree database on a pre-world run or 692 # when re-scanning a previously-built tree. 693 ;; 694 esac 695 ;; # End of the "RERUN" test 696esac 697 698# Get ready to start comparing files 699 700# Check umask if not specified on the command line, 701# and we are not doing an autorun 702# 703if [ -z "${NEW_UMASK}" -a -z "${AUTO_RUN}" ]; then 704 USER_UMASK=`umask` 705 case "${USER_UMASK}" in 706 0022|022) ;; 707 *) 708 echo '' 709 echo " *** Your umask is currently set to ${USER_UMASK}. By default, this script" 710 echo " installs all files with the same user, group and modes that" 711 echo " they are created with by ${SOURCEDIR}/etc/Makefile, compared to" 712 echo " a umask of 022. This umask allows world read permission when" 713 echo " the file's default permissions have it." 714 echo '' 715 echo " No world permissions can sometimes cause problems. A umask of" 716 echo " 022 will restore the default behavior, but is not mandatory." 717 echo " /etc/master.passwd is a special case. Its file permissions" 718 echo " will be 600 (rw-------) if installed." 719 echo '' 720 echo -n "What umask should I use? [${USER_UMASK}] " 721 read NEW_UMASK 722 723 NEW_UMASK="${NEW_UMASK:-$USER_UMASK}" 724 ;; 725 esac 726 echo '' 727fi 728 729CONFIRMED_UMASK=${NEW_UMASK:-0022} 730 731# 732# Warn users who still have old rc files 733# 734for file in atm devfs diskless1 diskless2 network network6 pccard \ 735 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 736 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 737 OLD_RC_PRESENT=1 738 break 739 fi 740done 741 742case "${OLD_RC_PRESENT}" in 7431) 744 echo '' 745 echo " *** There are elements of the old rc system in ${DESTDIR}/etc/." 746 echo '' 747 echo ' While these scripts will not hurt anything, they are not' 748 echo ' functional on an up to date system, and can be removed.' 749 echo '' 750 751 case "${AUTO_RUN}" in 752 '') 753 echo -n 'Move these files to /var/tmp/mergemaster/old_rc? [yes] ' 754 read MOVE_OLD_RC 755 756 case "${MOVE_OLD_RC}" in 757 [nN]*) ;; 758 *) 759 mkdir -p /var/tmp/mergemaster/old_rc 760 for file in atm devfs diskless1 diskless2 network network6 pccard \ 761 serial syscons sysctl alpha amd64 i386 ia64 sparc64; do 762 if [ -f "${DESTDIR}/etc/rc.${file}" ]; then 763 mv ${DESTDIR}/etc/rc.${file} /var/tmp/mergemaster/old_rc/ 764 fi 765 done 766 echo ' The files have been moved' 767 press_to_continue 768 ;; 769 esac 770 ;; 771 *) ;; 772 esac 773esac 774 775# Use the umask/mode information to install the files 776# Create directories as needed 777# 778install_error () { 779 echo "*** FATAL ERROR: Unable to install ${1} to ${2}" 780 echo '' 781 exit 1 782} 783 784do_install_and_rm () { 785 case "${PRESERVE_FILES}" in 786 [Yy][Ee][Ss]) 787 if [ -f "${3}/${2##*/}" ]; then 788 mkdir -p ${PRESERVE_FILES_DIR}/${2%/*} 789 cp ${3}/${2##*/} ${PRESERVE_FILES_DIR}/${2%/*} 790 fi 791 ;; 792 esac 793 794 if [ ! -d "${3}/${2##*/}" ]; then 795 if install -m ${1} ${2} ${3}; then 796 unlink ${2} 797 else 798 install_error ${2} ${3} 799 fi 800 else 801 install_error ${2} ${3} 802 fi 803} 804 805# 4095 = "obase=10;ibase=8;07777" | bc 806find_mode () { 807 local OCTAL 808 OCTAL=$(( ~$(echo "obase=10; ibase=8; ${CONFIRMED_UMASK}" | bc) & 4095 & 809 $(echo "obase=10; ibase=8; $(stat -f "%OMp%OLp" ${1})" | bc) )) 810 printf "%04o\n" ${OCTAL} 811} 812 813mm_install () { 814 local INSTALL_DIR 815 INSTALL_DIR=${1#.} 816 INSTALL_DIR=${INSTALL_DIR%/*} 817 818 case "${INSTALL_DIR}" in 819 '') 820 INSTALL_DIR=/ 821 ;; 822 esac 823 824 if [ -n "${DESTDIR}${INSTALL_DIR}" -a ! -d "${DESTDIR}${INSTALL_DIR}" ]; then 825 DIR_MODE=`find_mode "${TEMPROOT}/${INSTALL_DIR}"` 826 install -d -o root -g wheel -m "${DIR_MODE}" "${DESTDIR}${INSTALL_DIR}" || 827 install_error $1 ${DESTDIR}${INSTALL_DIR} 828 fi 829 830 FILE_MODE=`find_mode "${1}"` 831 832 if [ ! -x "${1}" ]; then 833 case "${1#.}" in 834 /etc/mail/aliases) 835 NEED_NEWALIASES=yes 836 ;; 837 /etc/login.conf) 838 NEED_CAP_MKDB=yes 839 ;; 840 /etc/master.passwd) 841 do_install_and_rm 600 "${1}" "${DESTDIR}${INSTALL_DIR}" 842 NEED_PWD_MKDB=yes 843 DONT_INSTALL=yes 844 ;; 845 /.cshrc | /.profile) 846 local st_nlink 847 848 # install will unlink the file before it installs the new one, 849 # so we have to restore/create the link afterwards. 850 # 851 st_nlink=0 # In case the file does not yet exist 852 eval $(stat -s ${DESTDIR}${COMPFILE#.} 2>/dev/null) 853 854 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 855 856 if [ -n "${AUTO_INSTALL}" -a $st_nlink -gt 1 ]; then 857 HANDLE_LINK=l 858 else 859 case "${LINK_EXPLAINED}" in 860 '') 861 echo " *** Historically BSD derived systems have had a" 862 echo " hard link from /.cshrc and /.profile to" 863 echo " their namesakes in /root. Please indicate" 864 echo " your preference below for bringing your" 865 echo " installed files up to date." 866 echo '' 867 LINK_EXPLAINED=yes 868 ;; 869 esac 870 871 echo " Use 'd' to delete the temporary ${COMPFILE}" 872 echo " Use 'l' to delete the existing ${DESTDIR}/root/${COMPFILE##*/} and create the link" 873 echo '' 874 echo " Default is to leave the temporary file to deal with by hand" 875 echo '' 876 echo -n " How should I handle ${COMPFILE}? [Leave it to install later] " 877 read HANDLE_LINK 878 fi 879 880 case "${HANDLE_LINK}" in 881 [dD]*) 882 rm "${COMPFILE}" 883 echo '' 884 echo " *** Deleting ${COMPFILE}" 885 ;; 886 [lL]*) 887 echo '' 888 unlink ${DESTDIR}/root/${COMPFILE##*/} 889 if ln ${DESTDIR}${COMPFILE#.} ${DESTDIR}/root/${COMPFILE##*/}; then 890 echo " *** Link from ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/} installed successfully" 891 else 892 echo " *** Error linking ${DESTDIR}${COMPFILE#.} to ${DESTDIR}/root/${COMPFILE##*/}" 893 echo " *** ${COMPFILE} will remain for your consideration" 894 fi 895 ;; 896 *) 897 echo " *** ${COMPFILE} will remain for your consideration" 898 ;; 899 esac 900 return 901 ;; 902 esac 903 904 case "${DONT_INSTALL}" in 905 '') 906 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 907 ;; 908 *) 909 unset DONT_INSTALL 910 ;; 911 esac 912 else # File matched -x 913 do_install_and_rm "${FILE_MODE}" "${1}" "${DESTDIR}${INSTALL_DIR}" 914 fi 915 return $? 916} 917 918if [ ! -d "${TEMPROOT}" ]; then 919 echo "*** FATAL ERROR: The temproot directory (${TEMPROOT})" 920 echo ' has disappeared!' 921 echo '' 922 exit 1 923fi 924 925echo '' 926echo "*** Beginning comparison" 927echo '' 928 929# Pre-world does not populate /etc/rc.d. 930# It is very possible that a previous run would have deleted files in 931# ${TEMPROOT}/etc/rc.d, thus creating a lot of false positives. 932if [ -z "${PRE_WORLD}" -a -z "${RERUN}" ]; then 933 echo " *** Checking ${DESTDIR}/etc/rc.d for stale files" 934 echo '' 935 cd "${DESTDIR}/etc/rc.d" && 936 for file in *; do 937 if [ ! -e "${TEMPROOT}/etc/rc.d/${file}" ]; then 938 STALE_RC_FILES="${STALE_RC_FILES} ${file}" 939 fi 940 done 941 case "${STALE_RC_FILES}" in 942 ''|' *') 943 echo ' *** No stale files found' 944 ;; 945 *) 946 echo " *** The following files exist in ${DESTDIR}/etc/rc.d but not in" 947 echo " ${TEMPROOT}/etc/rc.d/:" 948 echo '' 949 echo "${STALE_RC_FILES}" 950 echo '' 951 echo ' The presence of stale files in this directory can cause the' 952 echo ' dreaded unpredictable results, and therefore it is highly' 953 echo ' recommended that you delete them.' 954 case "${AUTO_RUN}" in 955 '') 956 echo '' 957 echo -n ' *** Delete them now? [n] ' 958 read DELETE_STALE_RC_FILES 959 case "${DELETE_STALE_RC_FILES}" in 960 [yY]) 961 echo ' *** Deleting ... ' 962 rm ${STALE_RC_FILES} 963 echo ' done.' 964 ;; 965 *) 966 echo ' *** Files will not be deleted' 967 ;; 968 esac 969 sleep 2 970 ;; 971 *) 972 if [ -n "${DELETE_STALE_RC_FILES}" ]; then 973 echo ' *** Deleting ... ' 974 rm ${STALE_RC_FILES} 975 echo ' done.' 976 fi 977 esac 978 ;; 979 esac 980 echo '' 981fi 982 983cd "${TEMPROOT}" 984 985if [ -r "${MM_PRE_COMPARE_SCRIPT}" ]; then 986 . "${MM_PRE_COMPARE_SCRIPT}" 987fi 988 989# Things that were files/directories/links in one version can sometimes 990# change to something else in a newer version. So we need to explicitly 991# test for this, and warn the user if what we find does not match. 992# 993for COMPFILE in `find . | sort` ; do 994 if [ -e "${DESTDIR}${COMPFILE#.}" ]; then 995 INSTALLED_TYPE=`stat -f '%HT' ${DESTDIR}${COMPFILE#.}` 996 else 997 continue 998 fi 999 TEMPROOT_TYPE=`stat -f '%HT' $COMPFILE` 1000 1001 if [ ! "$TEMPROOT_TYPE" = "$INSTALLED_TYPE" ]; then 1002 [ "$COMPFILE" = '.' ] && continue 1003 TEMPROOT_TYPE=`echo $TEMPROOT_TYPE | tr [:upper:] [:lower:]` 1004 INSTALLED_TYPE=`echo $INSTALLED_TYPE | tr [:upper:] [:lower:]` 1005 1006 echo "*** The installed file ${DESTDIR}${COMPFILE#.} has the type \"$INSTALLED_TYPE\"" 1007 echo " but the new version has the type \"$TEMPROOT_TYPE\"" 1008 echo '' 1009 echo " How would you like to handle this?" 1010 echo '' 1011 echo " Use 'r' to remove ${DESTDIR}${COMPFILE#.}" 1012 case "$TEMPROOT_TYPE" in 1013 'symbolic link') 1014 TARGET=`readlink $COMPFILE` 1015 echo " and create a link to $TARGET in its place" ;; 1016 *) echo " You will be able to install it as a \"$TEMPROOT_TYPE\"" ;; 1017 esac 1018 echo '' 1019 echo " Use 'i' to ignore this" 1020 echo '' 1021 echo -n " How to proceed? [i] " 1022 read ANSWER 1023 case "$ANSWER" in 1024 [rR]) case "${PRESERVE_FILES}" in 1025 [Yy][Ee][Ss]) 1026 mv ${DESTDIR}${COMPFILE#.} ${PRESERVE_FILES_DIR}/ || exit 1 ;; 1027 *) rm -rf ${DESTDIR}${COMPFILE#.} ;; 1028 esac 1029 case "$TEMPROOT_TYPE" in 1030 'symbolic link') ln -sf $TARGET ${DESTDIR}${COMPFILE#.} ;; 1031 esac ;; 1032 *) echo '' 1033 echo "*** See the man page about adding ${COMPFILE#.} to the list of IGNORE_FILES" 1034 press_to_continue ;; 1035 esac 1036 echo '' 1037 fi 1038done 1039 1040for COMPFILE in `find . -type f | sort`; do 1041 1042 # First, check to see if the file exists in DESTDIR. If not, the 1043 # diff_loop function knows how to handle it. 1044 # 1045 if [ ! -e "${DESTDIR}${COMPFILE#.}" ]; then 1046 case "${AUTO_RUN}" in 1047 '') 1048 diff_loop 1049 ;; 1050 *) 1051 case "${AUTO_INSTALL}" in 1052 '') 1053 # If this is an auto run, make it official 1054 echo " *** ${COMPFILE} will remain for your consideration" 1055 ;; 1056 *) 1057 diff_loop 1058 ;; 1059 esac 1060 ;; 1061 esac # Auto run test 1062 continue 1063 fi 1064 1065 case "${STRICT}" in 1066 '' | [Nn][Oo]) 1067 # Compare CVS $Id's first so if the file hasn't been modified 1068 # local changes will be ignored. 1069 # If the files have the same $Id, delete the one in temproot so the 1070 # user will have less to wade through if files are left to merge by hand. 1071 # 1072 CVSID1=`grep "[$]${CVS_ID_TAG}:" ${DESTDIR}${COMPFILE#.} 2>/dev/null` 1073 CVSID2=`grep "[$]${CVS_ID_TAG}:" ${COMPFILE} 2>/dev/null` || CVSID2=none 1074 1075 case "${CVSID2}" in 1076 "${CVSID1}") 1077 echo " *** Temp ${COMPFILE} and installed have the same CVS Id, deleting" 1078 rm "${COMPFILE}" 1079 ;; 1080 esac 1081 ;; 1082 esac 1083 1084 # If the file is still here either because the $Ids are different, the 1085 # file doesn't have an $Id, or we're using STRICT mode; look at the diff. 1086 # 1087 if [ -f "${COMPFILE}" ]; then 1088 1089 # Do an absolute diff first to see if the files are actually different. 1090 # If they're not different, delete the one in temproot. 1091 # 1092 if diff -q ${DIFF_OPTIONS} "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1093 /dev/null 2>&1; then 1094 echo " *** Temp ${COMPFILE} and installed are the same, deleting" 1095 rm "${COMPFILE}" 1096 else 1097 # Ok, the files are different, so show the user where they differ. 1098 # Use user's choice of diff methods; and user's pager if they have one. 1099 # Use more if not. 1100 # Use unified diffs by default. Context diffs give me a headache. :) 1101 # 1102 # If the user chose the -F option, test for that before proceeding 1103 # 1104 if [ -n "$FREEBSD_ID" ]; then 1105 if diff -q -I'[$]FreeBSD.*[$]' "${DESTDIR}${COMPFILE#.}" "${COMPFILE}" > \ 1106 /dev/null 2>&1; then 1107 if mm_install "${COMPFILE}"; then 1108 echo "*** Updated revision control Id for ${DESTDIR}${COMPFILE#.}" 1109 else 1110 echo "*** Problem installing ${COMPFILE}, it will remain to merge by hand later" 1111 fi 1112 continue 1113 fi 1114 fi 1115 case "${AUTO_RUN}" in 1116 '') 1117 # prompt user to install/delete/merge changes 1118 diff_loop 1119 ;; 1120 *) 1121 # If this is an auto run, make it official 1122 echo " *** ${COMPFILE} will remain for your consideration" 1123 ;; 1124 esac # Auto run test 1125 fi # Yes, the files are different 1126 fi # Yes, the file still remains to be checked 1127done # This is for the for way up there at the beginning of the comparison 1128 1129echo '' 1130echo "*** Comparison complete" 1131 1132if [ -s "${MTREENEW}" ]; then 1133 echo "*** Saving mtree database for future upgrades" 1134 test -e "${MTREEFILE}" && unlink ${MTREEFILE} 1135 mv ${MTREENEW} ${MTREEFILE} 1136fi 1137 1138echo '' 1139 1140TEST_FOR_FILES=`find ${TEMPROOT} -type f -size +0 2>/dev/null` 1141if [ -n "${TEST_FOR_FILES}" ]; then 1142 echo "*** Files that remain for you to merge by hand:" 1143 find "${TEMPROOT}" -type f -size +0 | sort 1144 echo '' 1145 1146 case "${AUTO_RUN}" in 1147 '') 1148 echo -n "Do you wish to delete what is left of ${TEMPROOT}? [no] " 1149 read DEL_TEMPROOT 1150 case "${DEL_TEMPROOT}" in 1151 [yY]*) 1152 delete_temproot 1153 ;; 1154 *) 1155 echo " *** ${TEMPROOT} will remain" 1156 ;; 1157 esac 1158 ;; 1159 *) ;; 1160 esac 1161else 1162 echo "*** ${TEMPROOT} is empty, deleting" 1163 delete_temproot 1164fi 1165 1166case "${AUTO_INSTALLED_FILES}" in 1167'') ;; 1168*) 1169 case "${AUTO_RUN}" in 1170 '') 1171 ( 1172 echo '' 1173 echo '*** You chose the automatic install option for files that did not' 1174 echo ' exist on your system. The following were installed for you:' 1175 echo "${AUTO_INSTALLED_FILES}" 1176 ) | ${PAGER} 1177 ;; 1178 *) 1179 echo '' 1180 echo '*** You chose the automatic install option for files that did not' 1181 echo ' exist on your system. The following were installed for you:' 1182 echo "${AUTO_INSTALLED_FILES}" 1183 ;; 1184 esac 1185 ;; 1186esac 1187 1188case "${AUTO_UPGRADED_FILES}" in 1189'') ;; 1190*) 1191 case "${AUTO_RUN}" in 1192 '') 1193 ( 1194 echo '' 1195 echo '*** You chose the automatic upgrade option for files that you did' 1196 echo ' not alter on your system. The following were upgraded for you:' 1197 echo "${AUTO_UPGRADED_FILES}" 1198 ) | ${PAGER} 1199 ;; 1200 *) 1201 echo '' 1202 echo '*** You chose the automatic upgrade option for files that you did' 1203 echo ' not alter on your system. The following were upgraded for you:' 1204 echo "${AUTO_UPGRADED_FILES}" 1205 ;; 1206 esac 1207 ;; 1208esac 1209 1210run_it_now () { 1211 case "${AUTO_RUN}" in 1212 '') 1213 unset YES_OR_NO 1214 echo '' 1215 echo -n ' Would you like to run it now? y or n [n] ' 1216 read YES_OR_NO 1217 1218 case "${YES_OR_NO}" in 1219 y) 1220 echo " Running ${1}" 1221 echo '' 1222 eval "${1}" 1223 ;; 1224 ''|n) 1225 echo '' 1226 echo " *** Cancelled" 1227 echo '' 1228 echo " Make sure to run ${1} yourself" 1229 ;; 1230 *) 1231 echo '' 1232 echo " *** Sorry, I do not understand your answer (${YES_OR_NO})" 1233 echo '' 1234 echo " Make sure to run ${1} yourself" 1235 esac 1236 ;; 1237 *) ;; 1238 esac 1239} 1240 1241case "${NEED_NEWALIASES}" in 1242'') ;; 1243*) 1244 echo '' 1245 if [ -n "${DESTDIR}" ]; then 1246 echo "*** You installed a new aliases file into ${DESTDIR}/etc/mail, but" 1247 echo " the newaliases command is limited to the directories configured" 1248 echo " in sendmail.cf. Make sure to create your aliases database by" 1249 echo " hand when your sendmail configuration is done." 1250 else 1251 echo "*** You installed a new aliases file, so make sure that you run" 1252 echo " '/usr/bin/newaliases' to rebuild your aliases database" 1253 run_it_now '/usr/bin/newaliases' 1254 fi 1255 ;; 1256esac 1257 1258case "${NEED_CAP_MKDB}" in 1259'') ;; 1260*) 1261 echo '' 1262 echo "*** You installed a login.conf file, so make sure that you run" 1263 echo " '/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf'" 1264 echo " to rebuild your login.conf database" 1265 run_it_now "/usr/bin/cap_mkdb ${DESTDIR}/etc/login.conf" 1266 ;; 1267esac 1268 1269case "${NEED_PWD_MKDB}" in 1270'') ;; 1271*) 1272 echo '' 1273 echo "*** You installed a new master.passwd file, so make sure that you run" 1274 if [ -n "${DESTDIR}" ]; then 1275 echo " '/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd'" 1276 echo " to rebuild your password files" 1277 run_it_now "/usr/sbin/pwd_mkdb -d ${DESTDIR}/etc -p ${DESTDIR}/etc/master.passwd" 1278 else 1279 echo " '/usr/sbin/pwd_mkdb -p /etc/master.passwd'" 1280 echo " to rebuild your password files" 1281 run_it_now '/usr/sbin/pwd_mkdb -p /etc/master.passwd' 1282 fi 1283 ;; 1284esac 1285 1286echo '' 1287 1288if [ -r "${MM_EXIT_SCRIPT}" ]; then 1289 . "${MM_EXIT_SCRIPT}" 1290fi 1291 1292case "${COMP_CONFS}" in 1293'') ;; 1294*) 1295 . ${DESTDIR}/etc/defaults/rc.conf 1296 1297 (echo '' 1298 echo "*** Comparing conf files: ${rc_conf_files}" 1299 1300 for CONF_FILE in ${rc_conf_files}; do 1301 if [ -r "${DESTDIR}${CONF_FILE}" ]; then 1302 echo '' 1303 echo "*** From ${DESTDIR}${CONF_FILE}" 1304 echo "*** From ${DESTDIR}/etc/defaults/rc.conf" 1305 1306 for RC_CONF_VAR in `grep -i ^[a-z] ${DESTDIR}${CONF_FILE} | 1307 cut -d '=' -f 1`; do 1308 echo '' 1309 grep -w ^${RC_CONF_VAR} ${DESTDIR}${CONF_FILE} 1310 grep -w ^${RC_CONF_VAR} ${DESTDIR}/etc/defaults/rc.conf || 1311 echo ' * No default variable with this name' 1312 done 1313 fi 1314 done) | ${PAGER} 1315 echo '' 1316 ;; 1317esac 1318 1319case "${PRE_WORLD}" in 1320'') ;; 1321*) 1322 MAKE_CONF="${SOURCEDIR}/share/examples/etc/make.conf" 1323 1324 (echo '' 1325 echo '*** Comparing make variables' 1326 echo '' 1327 echo "*** From ${DESTDIR}/etc/make.conf" 1328 echo "*** From ${MAKE_CONF}" 1329 1330 for MAKE_VAR in `grep -i ^[a-z] ${DESTDIR}/etc/make.conf | cut -d '=' -f 1`; do 1331 echo '' 1332 grep -w ^${MAKE_VAR} ${DESTDIR}/etc/make.conf 1333 grep -w ^#${MAKE_VAR} ${MAKE_CONF} || 1334 echo ' * No example variable with this name' 1335 done) | ${PAGER} 1336 ;; 1337esac 1338 1339if [ -n "${PRESERVE_FILES}" ]; then 1340 find -d $PRESERVE_FILES_DIR -type d -empty -delete 2>/dev/null 1341 rmdir $PRESERVE_FILES_DIR 2>/dev/null 1342fi 1343 1344exit 0 1345