summaryrefslogtreecommitdiffstats
path: root/globetrotter/doc/BUILD
diff options
context:
space:
mode:
Diffstat (limited to 'globetrotter/doc/BUILD')
-rw-r--r--globetrotter/doc/BUILD1
1 files changed, 1 insertions, 0 deletions
diff --git a/globetrotter/doc/BUILD b/globetrotter/doc/BUILD
index 5dbba396e..bbdf60d7f 100644
--- a/globetrotter/doc/BUILD
+++ b/globetrotter/doc/BUILD
@@ -19,6 +19,7 @@ lftp -u a,a ftp://kameha:/~/../nplanel/rpm/prop/RPMS/i586/
doble [A-Z] | xargs rm -f
doble [a-g] | xargs rm -f
doble [h-z] | xargs rm -f
+- run "gendistrib --noclean /export"
- plug the LaCie disk
- run make_live --partition --format --install --post in order to
prepare the disk
ef='#n103'>103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346
package pkgs; # $Id$

use diagnostics;
use strict;

use MDK::Common::System;
use URPM;
use URPM::Resolve;
use URPM::Signature;
use common;
use install_any;
use run_program;
use detect_devices;
use log;
use fs;
use loopback;
use c;


our %preferred = map { $_ => undef } qw(lilo perl-base XFree86-libs gstreamer-oss openjade ctags glibc curl sane-backends perl-GTK postfix mdkkdm gcc gcc-cpp gcc-c++ proftpd ghostscript-X vim-minimal kernel db1 db2 libxpm4 zlib1 libncurses5 harddrake cups apache);

#- lower bound on the left ( aka 90 means [90-100[ )
our %compssListDesc = (
   5 => N_("must have"),
   4 => N_("important"),
   3 => N_("very nice"),
   2 => N_("nice"),
   1 => N_("maybe"),
);

#- constant for small transaction.
our $limitMinTrans = 13;


#- package to ignore, typically in Application CD. OBSOLETED ?
my %ignoreBadPkg = (
		    'civctp-demo'   => 1,
		    'eus-demo'      => 1,
		    'myth2-demo'    => 1,
		    'heretic2-demo' => 1,
		    'heroes3-demo'  => 1,
		    'rt2-demo'      => 1,
		   );

sub packageMedium { my ($packages, $p) = @_; $p or die "invalid package from\n" . backtrace();
		    foreach (values %{$packages->{mediums}}) {
			defined $_->{start} && defined $_->{end} or next;
			$p->id >= $_->{start} && $p->id <= $_->{end} and return $_;
		    }
		    return }

sub cleanHeaders {
    my ($prefix) = @_;
    rm_rf("$prefix/tmp/headers") if -e "$prefix/tmp/headers";
}

#- get all headers from an hdlist file.
sub extractHeaders {
    my ($prefix, $pkgs, $media) = @_;
    my %medium2pkgs;

    cleanHeaders($prefix);

    foreach (@$pkgs) {
	foreach my $medium (values %$media) {
	    $_->id >= $medium->{start} && $_->id <= $medium->{end} or next;
	    push @{$medium2pkgs{$medium->{medium}} ||= []}, $_;
	}
    }

    foreach (keys %medium2pkgs) {
	my $medium = $media->{$_};

	eval {
	    require packdrake;
	    my $packer = new packdrake("/tmp/$medium->{hdlist}", quiet => 1);
	    $packer->extract_archive("$prefix/tmp/headers", map { $_->header_filename } @{$medium2pkgs{$_}});
	};
    }

    foreach (@$pkgs) {
	my $f = "$prefix/tmp/headers/" . $_->header_filename;
	$_->update_header($f) or log::l("unable to open header file $f"), next;
	log::l("read header file $f");
    }
}

#- TODO BEFORE TODO
#- size and correction size functions for packages.
my $B = 1.20873;
my $C = 4.98663; #- doesn't take hdlist's into account as getAvailableSpace will do it.
sub correctSize { $B * $_[0] + $C }
sub invCorrectSize { ($_[0] - $C) / $B }

sub selectedSize {
    my ($packages) = @_;
    my $size = 0;
    my %skip;
    #- take care of packages selected...
    foreach (@{$packages->{depslist}}) {
	if ($_->flag_selected) {
	    $size += $_->size;
	    #- if a package is obsoleted with the same name it should
	    #- have been selected, so a selected new package obsoletes
	    #- all the old package.
	    exists $skip{$_->name} and next; $skip{$_->name} = undef;
	    $size -= $packages->{sizes}{$_->name};
	}
    }
    #- but remove size of package being obsoleted or removed.
    foreach (keys %{$packages->{state}{rejected}}) {
	my ($name) = /(.*)-[^\-]*-[^\-]*$/ or next;
	exists $skip{$name} and next; $skip{$name} = undef;
	$size -= $packages->{sizes}{$name};
    }
    $size;
}
sub correctedSelectedSize { correctSize(selectedSize($_[0]) / sqr(1024)) }

sub size2time {
    my ($x, $max) = @_;
    my $A = 7e-07;
    my $limit = min($max * 3 / 4, 9e8);
    if ($x < $limit) {
	$A * $x;
    } else { 
	$x -= $limit;
	my $B = 6e-16;
	my $C = 15e-07;
	$B * $x ** 2 + $C * $x + $A * $limit;
    }
}


#- searching and grouping methods.
#- package is a reference to list that contains
#- a hash to search by name and
#- a list to search by id.
sub packageByName {
    my ($packages, $name) = @_;
    #- search package with given name and compatible with current architecture.
    #- take the best one found (most up-to-date).
    my @packages;
    foreach (keys %{$packages->{provides}{$name} || {}}) {
	my $pkg = $packages->{depslist}[$_];
	$pkg->is_arch_compat or next;
	$pkg->name eq $name or next;
	push @packages, $pkg;
    }
    my $best;
    foreach (@packages) {
	if ($best && $best != $_) {
	    $_->compare_pkg($best) > 0 and $best = $_;
	} else {
	    $best = $_;
	}
    }
    $best or log::l("unknown package `$name'");
    $best;
}
sub packageById {
    my ($packages, $id) = @_;
    my $pkg = $packages->{depslist}[$id]; #- do not log as id unsupported are still in depslist.
    $pkg->is_arch_compat && $pkg;
}

sub analyse_kernel_name {
    $_[0] =~ /kernel[^\-]*(-enterprise|-i686-up-4GB|-p3-smp-64GB|-secure|-smp)?(?:-([^\-]+))?$/;
}

sub packages2kernels {
    my ($packages) = @_;

    map { 
	my $pkg = $packages->{depslist}[$_];
	if (my ($ext, $version) = analyse_kernel_name($pkg->name)) {
	    { pkg => $pkg, ext => $ext, version => $version };
	} else {
	    log::l("ERROR: unknown package " . $pkg->name . " providing kernel");
	    ();
	}
    } keys %{$packages->{provides}{kernel}};
}

sub bestKernelPackage {
    my ($packages) = @_;

    my @kernels = packages2kernels($packages) or internal_error('no kernel available');
    my ($version_BOOT) = c::kernel_version() =~ /^(\d+\.\d+)/;
    if (my @l = grep { $_->{version} =~ /\Q$version_BOOT/ } @kernels) {
	#- favour versions corresponding to current BOOT version
	@kernels = @l;
    }
    if (my @l = grep { $_->{ext} eq '' } @kernels) {
	@kernels = @l;
    }
    
    log::l("bestKernelPackage: " . join(' ', map { $_->{pkg}->name } @kernels) . (@kernels > 1 ? ' (choosing the first)' : ''));
    $preferred{'kernel-source-' . $kernels[0]{version}} = undef;
    $kernels[0]{pkg};
}

sub packagesOfMedium {
    my ($packages, $medium) = @_;
    defined $medium->{start} && defined $medium->{end} ? @{$packages->{depslist}}[$medium->{start} .. $medium->{end}] : ();
}
sub packagesToInstall {
    my ($packages) = @_;
    my @packages;
    foreach (values %{$packages->{mediums}}) {
	$_->{selected} or next;
	log::l("examining packagesToInstall of medium $_->{descr}");
	push @packages, grep { $_->flag_selected } packagesOfMedium($packages, $_);
    }
    log::l("found " . scalar(@packages) . " packages to install");
    @packages;
}

sub allMediums {
    my ($packages) = @_;
    sort { $a <=> $b } keys %{$packages->{mediums}};
}
sub mediumDescr {
    my ($packages, $medium) = @_;
    $packages->{mediums}{$medium}{descr};
}

sub packageRequest {
    my ($packages, $pkg) = @_;

    #- check if the same or better version is installed,
    #- do not select in such case.
    $pkg && ($pkg->flag_upgrade || !$pkg->flag_installed) or return;

    #- check for medium selection, if the medium has not been
    #- selected, the package cannot be selected.
    foreach (values %{$packages->{mediums}}) {
	!$_->{selected} && $pkg->id >= $_->{start} && $pkg->id <= $_->{end} and return;
    }

    return { $pkg->id => 1 };
}

sub packageCallbackChoices {
    my ($urpm, $_db, $state, $choices) = @_;
    if (my $prefer = find { $_->arch ne 'src' && exists $preferred{$_->name} } @$choices) {
	$prefer;
    } else {
	my @l = grep {
	    #- or even if a package requires a specific locales which
	    #- is already selected.
	    find {
		/locales-/ && do {
		    my $p = packageByName($urpm, $_);
		    $p && $p->flag_available;
		};
	    } $_->requires_nosense;
	} @$choices;
	if (!@l) {
	    push @l, $choices->[0];
	    log::l("packageCallbackChoices: default choice from ", join(",", map { $urpm->{depslist}[$_]->name } keys %{$state->{selected}}), " in ", join(",", map { $_->name } @$choices));
	}
	#-log::l("packageCallbackChoices: chosen " . join(" ", map { $_->name } @l));
	@l;
    }
}

#- selection, unselection of package.
sub selectPackage {
    my ($packages, $pkg, $b_base, $o_otherOnly) = @_;

    #- select package and dependancies, o_otherOnly may be a reference
    #- to a hash to indicate package that will strictly be selected
    #- when value is true, may be selected when value is false (this
    #- is only used for unselection, not selection)
    my $state = $packages->{state} ||= {};

    my @l = $packages->resolve_requested($packages->{rpmdb}, $state, packageRequest($packages, $pkg) || {},
					 callback_choices => \&packageCallbackChoices);

    if ($b_base || $o_otherOnly) {
	foreach (@l) {
	    $b_base and $_->set_flag_base;
	    $o_otherOnly and $o_otherOnly->{$_->id} = $_->flag_requested;
	}
	$o_otherOnly and $packages->disable_selected($packages->{rpmdb}, $state, @l);
    }
    1;
}

sub unselectPackage($$;$) {
    my ($packages, $pkg, $o_otherOnly) = @_;

    #- base package are not unselectable,
    #- and already unselected package are no more unselectable.
    $pkg->flag_base and return;
    $pkg->flag_selected or return;

    my $state = $packages->{state} ||= {};
    log::l("removing selection on package ".$pkg->fullname);
    my @l = $packages->disable_selected($packages->{rpmdb}, $state, $pkg);
    log::l("   removed selection on package " . $pkg->fullname . "gives " . join(',', map { scalar $_->fullname } @l));
    if ($o_otherOnly) {
	foreach (@l) {
	    $o_otherOnly->{$_->id} = undef;
	}
	log::l("   reselecting removed selection...");
	$packages->resolve_requested($packages->{rpmdb}, $state, $o_otherOnly, callback_choices => \&packageCallbackChoices);
	log::l("   done");
    }
    1;
}
sub setPackageSelection($$$) {
    my ($packages, $pkg, $value) = @_;
    $value ? selectPackage($packages, $pkg) : unselectPackage($packages, $pkg);
}

sub unselectAllPackages($) {
    my ($packages) = @_;
    my %keep_selected;
    log::l("unselecting all packages...");
    foreach (@{$packages->{depslist}}) {
	if ($_->flag_base || $_->flag_installed && $_->flag_selected) {
	    #- keep track of package that should be kept selected.
	    $keep_selected{$_->id} = $_;
	    log::l("...keeping ".$_->fullname);
	} else {
	    #- deselect all packages except base or packages that need to be upgraded.
	    $_->set_flag_required(0);
	    $_->set_flag_requested(0);
	}
    }
    #- clean staten, in order to start with a brand new set...
    $packages->{state} = {};
    $packages->resolve_requested($packages->{rpmdb}, $packages->{state}, \%keep_selected,
				 callback_choices => \&packageCallbackChoices);
}

sub psUpdateHdlistsDeps {
    my ($prefix, $_method, $packages) = @_;
    my $need_copy = 0;

    #- check if current configuration is still up-to-date and do not need to be updated.
    foreach (values %{$packages->{mediums}}) {
	$_->{selected} || $_->{ignored} or next;
	my $urpmidir = -w "$prefix/var/lib/urpmi" ? "$prefix/var/lib/urpmi" : "/tmp";
	my $hdlistf = "$urpmidir/hdlist.$_->{fakemedium}.cz" . ($_->{hdlist} =~ /\.cz2/ && "2");
	my $synthesisf = "$urpmidir/synthesis.hdlist.$_->{fakemedium}.cz" . ($_->{hdlist} =~ /\.cz2/ && "2");
	if (-s $hdlistf != $_->{hdlist_size}) {
	    install_any::getAndSaveFile("Mandrake/base/$_->{hdlist}", $hdlistf) or die "no $_->{hdlist} found";
	    symlinkf $hdlistf, "/tmp/$_->{hdlist}";
	    ++$need_copy;
	}
	if (-s $synthesisf != $_->{synthesis_hdlist_size}) {
	    install_any::getAndSaveFile("Mandrake/base/synthesis.$_->{hdlist}", $synthesisf);
	    -s $synthesisf > 0 or unlink $synthesisf;
	}
    }

    if ($need_copy) {
	#- this is necessary for urpmi.
	my $urpmidir = -w "$prefix/var/lib/urpmi" ? "$prefix/var/lib/urpmi" : "/tmp";
	install_any::getAndSaveFile("Mandrake/base/$_", "$urpmidir/$_") foreach qw(rpmsrate);
    }
}

sub psUsingHdlists {
    my ($prefix, $method) = @_;
    my $listf = install_any::getFile('Mandrake/base/hdlists') or die "no hdlists found";
    my $packages = new URPM;

    #- add additional fields used by DrakX.
    @$packages{qw(count mediums)} = (0, {});

    #- parse hdlists file.
    my $medium = 1;
    foreach (<$listf>) {
	chomp;
	s/\s*#.*$//;
	/^\s*$/ and next;
	m/^\s*(noauto:)?(hdlist\S*\.cz2?)\s+(\S+)\s*(.*)$/ or die qq(invalid hdlist description "$_" in hdlists file);

	#- make sure the first medium is always selected!
	#- by default select all image.
	psUsingHdlist($prefix, $method, $packages, $2, $medium, $3, $4, !$1);

	++$medium;
    }

    log::l("psUsingHdlists read " . int(@{$packages->{depslist}}) .
	   " headers on " . int(keys %{$packages->{mediums}}) . " hdlists");

    $packages;
}

sub psUsingHdlist {
    my ($prefix, $method, $packages, $hdlist, $medium, $rpmsdir, $descr, $selected, $o_fhdlist, $o_pubkey) = @_;
    my $fakemedium = "$descr ($method$medium)";
    my $urpmidir = -w "$prefix/var/lib/urpmi" ? "$prefix/var/lib/urpmi" : "/tmp";
    log::l("trying to read $hdlist for medium $medium");

    #- if the medium already exist, use it.
    $packages->{mediums}{$medium} and return $packages->{mediums}{$medium};

    my $m = { hdlist     => $hdlist,
	      method     => $method,
	      medium     => $medium,
	      rpmsdir    => $rpmsdir, #- where is RPMS directory.
	      descr      => $descr,
	      fakemedium => $fakemedium,
	      selected   => $selected, #- default value is only CD1, it is really the minimal.
	      ignored    => !$selected, #- keep track of ignored medium by DrakX.
	      pubkey     => [], #- all pubkey block here
	    };

    #- copy hdlist file directly to urpmi directory, this will be used
    #- for getting header of package during installation or after by urpmi.
    my $newf = "$urpmidir/hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
    -e $newf and do { unlink $newf or die "cannot remove $newf: $!" };
    install_any::getAndSaveFile($o_fhdlist || "Mandrake/base/$hdlist", $newf) or do { unlink $newf; die "no $hdlist found" };
    $m->{hdlist_size} = -s $newf; #- keep track of size for post-check.
    symlinkf $newf, "/tmp/$hdlist";

    #- if $o_fhdlist is defined, this is preferable not to try to find the associated synthesis.
    my $newsf = "$urpmidir/synthesis.hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
    unless ($o_fhdlist) {
	#- copy existing synthesis file too.
	install_any::getAndSaveFile("Mandrake/base/synthesis.$hdlist", $newsf);
	$m->{synthesis_hdlist_size} = -s $newsf; #- keep track of size for post-check.
	-s $newsf > 0 or unlink $newsf;
    }

    #- get all keys corresponding in the right pubkey file,
    #- they will be added in rpmdb later if not found.
    if (!$o_fhdlist || $o_pubkey) {
	$m->{pubkey} = $o_pubkey;
	unless ($m->{pubkey}) {
	    my $pubkey = install_any::getFile("Mandrake/base/pubkey" . ($hdlist =~ /hdlist(\S*)\.cz2?/ && $1));
	    $m->{pubkey} = [ $packages->parse_armored_file($pubkey) ];
	}
    }

    #- integrate medium in media list, only here to avoid download error (update) to be propagated.
    $packages->{mediums}{$medium} = $m;

    #- avoid using more than one medium if Cd is not ejectable.
    #- but keep all medium here so that urpmi has the whole set.
    $m->{ignored} ||= $method eq 'cdrom' && $medium > 1 && !common::usingRamdisk();

    #- parse synthesis (if available) of directly hdlist (with packing).
    if ($m->{ignored}) {
	log::l("ignoring packages in $hdlist");
    } else {
	if (-s $newsf) {
	    ($m->{start}, $m->{end}) = $packages->parse_synthesis($newsf);
	} elsif (-s $newf) {
	    ($m->{start}, $m->{end}) = $packages->parse_hdlist($newf, 1);
	} else {
	    delete $packages->{mediums}{$medium};
	    unlink $newf;
	    $o_fhdlist or unlink $newsf;
	    die "fatal: no hdlist nor synthesis to read for $fakemedium";
	}
	$m->{start} > $m->{end} and do { delete $packages->{mediums}{$medium};
					 unlink $newf;
					 $o_fhdlist or unlink $newsf;
					 die "fatal: nothing read in hdlist or synthesis for $fakemedium" };
	log::l("read " . ($m->{end} - $m->{start} + 1) . " packages in $hdlist");
    }
    $m;
}

sub read_rpmsrate {
    my ($packages, $f) = @_;
    my $line_nb = 0;
    my $fatal_error;
    my (@l);
    local $_;
    while (<$f>) {
	$line_nb++;
	/\t/ and die "tabulations not allowed at line $line_nb\n";
	s/#.*//; # comments

	my ($indent, $data) = /(\s*)(.*)/;
	next if !$data; # skip empty lines

	@l = grep { $_->[0] < length $indent } @l;

	my @m = @l ? @{$l[-1][1]} : ();
	my ($t, $flag, @l2);
	while ($data =~ 
	       /^((
                   [1-5]
                   |
                   (?:            (?: !\s*)? [0-9A-Z_]+(?:".*?")?)
                   (?: \s*\|\|\s* (?: !\s*)? [0-9A-Z_]+(?:".*?")?)*
                  )
                  (?:\s+|$)
                 )(.*)/x) { #@")) {
	    ($t, $flag, $data) = ($1,$2,$3);
	    while ($flag =~ s,^\s*(("[^"]*"|[^"\s]*)*)\s+,$1,) {}
	    my $ok = 0;
            my ($inv, $p);
	    $flag = join('||', grep { 
		if (($inv, $p) = /^(!)?HW"(.*)"/) {
		    ($inv xor detect_devices::matching_desc($p)) and $ok = 1;
		    0;
                } elsif (($inv, $p) = /^(!)?DRIVER"(.*)"/) {
		    ($inv xor detect_devices::matching_driver($p)) and $ok = 1;
		    0;
		} else {
		    1;
		}
	    } split '\|\|', $flag);
	    push @m, $ok ? 'TRUE' : $flag || 'FALSE';
	    push @l2, [ length $indent, [ @m ] ];
	    $indent .= $t;
	}
	if ($data) {
	    # has packages on same line
	    my $rate = find { /^\d$/ } @m or die sprintf qq(missing rate for "%s" at line %d (flags are %s)\n), $data, $line_nb, join('&&', @m);
	    foreach (split ' ', $data) {
		if ($packages) {
		    my $p = packageByName($packages, $_) or next;
		    my @m2 = map { if_(/locales-(.*)/, qq(LOCALES"$1")) } $p->requires_nosense;
		    my @m3 = ((grep { !/^\d$/ } @m), @m2);
		    if (member('INSTALL', @m3) || member('PRINTER', @m3)) {
			member('NOCOPY', @m3) or push @{$packages->{needToCopy} ||= []}, $_;
			next; #- don't need to put INSTALL flag for a package.
		    }
		    if ($p->rate) {
			my @m4 = $p->rflags;
			if (@m3 > 1 || @m4 > 1) {
			    log::l("can't handle complicate flags for packages appearing twice ($_)");
			    $fatal_error++;
			}
			log::l("package $_ appearing twice with different rates ($rate != ".$p->rate.")") if $rate != $p->rate;
			$p->set_rate($rate);
			$p->set_rflags("$m3[0]||$m4[0]");
		    } else {
			$p->set_rate($rate);
			$p->set_rflags(@m3);
		    }
		} else {
		    print "$_ = ", join(" && ", @m), "\n";
		}
	    }
	    push @l, @l2;
	} else {
	    push @l, [ $l2[0][0], $l2[-1][1] ];
	}
    }
    $fatal_error and die "$fatal_error fatal errors in rpmsrate";
}

sub readCompssUsers {
    my ($meta_class) = @_;

    my $file = 'Mandrake/base/compssUsers';
    my $f = $meta_class && install_any::getFile("$file.$meta_class") || install_any::getFile($file) or die "can't find $file";
    readCompssUsers_raw($f);
}

sub readCompssUsers_raw {
    my ($f) = @_;
    my (%compssUsers, @sorted, $l);

    local $_;
    while (<$f>) {
	/^\s*$/ || /^#/ and next;
	s/#.*//;

	if (/^(\S.*)/) {
	    my $verbatim = $_;
	    my ($icon, $descr, $path, $selected);
	    /^(.*?)\s*\[path=(.*?)\](.*)/  and $_ = "$1$3", $path  = $2;
	    /^(.*?)\s*\[icon=(.*?)\](.*)/  and $_ = "$1$3", $icon  = $2;
	    /^(.*?)\s*\[descr=(.*?)\](.*)/ and $_ = "$1$3", $descr = $2;
	    /^(.*?)\s*\[selected=(.*?)\](.*)/ and $_ = "$1$3", $selected = $2;
	    $compssUsers{"$path|$_"} = { label => $_, verbatim => $verbatim,
					 path => $path, icons => $icon, descr => $descr,
					 if_(defined $selected, selected => [ split /[\s,]+/, $selected ]), flags => $l = [] };
	    push @sorted, "$path|$_";
	} elsif (/^\s+(.*?)\s*$/) {
	    push @$l, $1;
	}
    }
    \%compssUsers, \@sorted;
}
sub saveCompssUsers {
    my ($prefix, $packages, $compssUsers, $sorted) = @_;
    my $flat;
    foreach (@$sorted) {
	my @fl = @{$compssUsers->{$_}{flags}};
	my %fl; $fl{$_} = 1 foreach @fl;
	$flat .= $compssUsers->{$_}{verbatim};
	foreach my $p (@{$packages->{depslist}}) {
	    my @flags = $p->rflags;
	    if ($p->rate && any { any { !/^!/ && $fl{$_} } split('\|\|') } @flags) {
		$flat .= sprintf "\t%d %s\n", $p->rate, $p->name;
	    }
	}
    }
    my $urpmidir = -w "$prefix/var/lib/urpmi" ? "$prefix/var/lib/urpmi" : "/tmp";
    output "$urpmidir/compssUsers.flat", $flat;
}

sub setSelectedFromCompssList {
    my ($packages, $compssUsersChoice, $min_level, $max_size) = @_;
    $compssUsersChoice->{TRUE} = 1; #- ensure TRUE is set
    my $nb = selectedSize($packages);
    foreach my $p (sort { $b->rate <=> $a->rate } @{$packages->{depslist}}) {
	my @flags = $p->rflags;
	next if 
	  !$p->rate || $p->rate < $min_level || 
	  any { !any { /^!(.*)/ ? !$compssUsersChoice->{$1} : $compssUsersChoice->{$_} } split('\|\|') } @flags;

	#- determine the packages that will be selected when
	#- selecting $p. the packages are not selected.
	my $state = $packages->{state} ||= {};

	my @l = $packages->resolve_requested($packages->{rpmdb}, $state, packageRequest($packages, $p) || {},
					     callback_choices => \&packageCallbackChoices);

	#- this enable an incremental total size.
	my $old_nb = $nb;
	foreach (@l) {
	    $nb += $_->size;
	}
	if ($max_size && $nb > $max_size) {
	    $nb = $old_nb;
	    $min_level = $p->rate;
	    $packages->disable_selected($packages->{rpmdb}, $state, @l);
	    last;
	}
    }
    log::l("setSelectedFromCompssList: reached size ", formatXiB($nb), ", up to indice $min_level (less than ", formatXiB($max_size), ")");
    log::l("setSelectedFromCompssList: ", join(" ", sort map { $_->name } grep { $_->flag_selected } @{$packages->{depslist}}));
    $min_level;
}

#- usefull to know the size it would take for a given min_level/max_size
#- just saves the selected packages, call setSelectedFromCompssList and restores the selected packages
sub saveSelected {
    my ($packages) = @_;
    my $state = delete $packages->{state};
    my @l = @{$packages->{depslist}};
    my @flags = map { ($_->flag_requested && 1) + ($_->flag_required && 2) + ($_->flag_upgrade && 4) } @l;
    [ $packages, $state, \@l, \@flags ];
}
sub restoreSelected {
    my ($packages, $state, $l, $flags) = @{$_[0]};
    $packages->{state} = $state;
    mapn { my ($pkg, $flag) = @_;
	   $pkg->set_flag_requested($flag & 1);
	   $pkg->set_flag_required($flag & 2);
	   $pkg->set_flag_upgrade($flag & 4);
         } $l, $flags;
}

sub computeGroupSize {
    my ($packages, $min_level) = @_;

    sub inside {
	my ($l1, $l2) = @_;
	my $i = 0;
	return if @$l1 > @$l2;
	foreach (@$l1) {
	    my $c;
	    while ($c = $l2->[$i++] cmp $_) {
		return if $c == 1 || $i > @$l2;
	    }
	}
	1;
    }

    sub or_ify {
	my ($first, @other) = @_;
	my @l = split('\|\|', $first);
	foreach (@other) {
	    @l = map {
		my $n = $_;
		map { "$_&&$n" } @l;
	    } split('\|\|');
	}
	#- HACK, remove LOCALES & CHARSET, too costly
	grep { !/LOCALES|CHARSET/ } @l;
    }
    sub or_clean {
	my (@l) = map { [ sort split('&&') ] } @_ or return '';
	my @r;
	B: while (@l) {
	    my $e = shift @l;
	    foreach (@r, @l) {
		inside($e, $_) and next B;
	    }
	    push @r, $e;
	}
	join("\t", map { join('&&', @$_) } @r);
    }
    my (%group, %memo, $slowpart_counter);

    foreach my $p (@{$packages->{depslist}}) {
	my @flags = $p->rflags;
	next if !$p->rate || $p->rate < $min_level;

	my $flags = join("\t", @flags = or_ify(@flags));
	$group{$p->name} = ($memo{$flags} ||= or_clean(@flags));

	#- determine the packages that will be selected when selecting $p.
	#- make a fast selection (but potentially erroneous).
	#- installed and upgrade flags must have been computed (see compute_installed_flags).
	my %newSelection;
	unless ($p->flag_available) {
	    my @l2 = $p->id;
	    my $id;

	    while (defined($id = shift @l2)) {
		exists $newSelection{$id} and next;
		$newSelection{$id} = undef;

		my $pkg = $packages->{depslist}[$id];
		foreach ($pkg->requires_nosense) {
		    my @choices = keys %{$packages->{provides}{$_} || {}};
		    if (@choices <= 1) {
			push @l2, @choices;
		    } elsif (! find { exists $newSelection{$_} } @choices) {
			my ($candidate_id, $prefer_id);
			foreach (@choices) {
			    ++$slowpart_counter;
			    my $ppkg = $packages->{depslist}[$_] or next;
			    $ppkg->flag_available and $prefer_id = $candidate_id = undef, last;
			    exists $preferred{$ppkg->name} and $prefer_id = $_;
			    $ppkg->name =~ /kernel-\d/ and $prefer_id ||= $_;
			    foreach my $l ($ppkg->requires_nosense) {
				/locales-/ or next;
				my $pppkg = packageByName($packages, $l) or next;
				$pppkg->flag_available and $prefer_id ||= $_;
			    }
			    $candidate_id = $_;
			}
			if (defined $prefer_id || defined $candidate_id) {
			    push @l2, defined $prefer_id ? $prefer_id : $candidate_id;
			}
		    }
		}
	    }
	}

	foreach (keys %newSelection) {
	    my $p = $packages->{depslist}[$_] or next;
	    my $s = $group{$p->name} || do {
		join("\t", or_ify($p->rflags));
	    };
	    next if length($s) > 120; # HACK, truncated too complicated expressions, too costly
	    my $m = "$flags\t$s";
	    $group{$p->name} = ($memo{$m} ||= or_clean(@flags, split("\t", $s)));
	}
    }
    my (%sizes, %pkgs);
    while (my ($k, $v) = each %group) {
	my $pkg = packageByName($packages, $k) or next;
	push @{$pkgs{$v}}, $k;
	$sizes{$v} += $pkg->size - $packages->{sizes}{$pkg->name};
    }
    log::l(sprintf "%s %dMB %s", $_, $sizes{$_} / sqr(1024), join(',', @{$pkgs{$_}})) foreach keys %sizes;
    \%sizes, \%pkgs;
}


sub openInstallLog {
    my ($prefix) = @_;

    my $f = "$prefix/root/drakx/install.log";
    open(my $LOG, ">> $f") ? log::l("opened $f") : log::l("Failed to open $f. No install log will be kept."); #-#
    CORE::select((CORE::select($LOG), $| = 1)[0]);
    c::rpmErrorSetCallback(fileno $LOG);
#-    c::rpmSetVeryVerbose();
    $LOG;
}

sub rpmDbOpen {
    my ($prefix, $o_rebuild_needed) = @_;

    if ($o_rebuild_needed) {
	if (my $pid = fork()) {
	    waitpid $pid, 0;
	    $? & 0xff00 and die "rebuilding of rpm database failed";
	} else {
	    log::l("rebuilding rpm database");
	    my $rebuilddb_dir = "$prefix/var/lib/rpmrebuilddb.$$";
	    -d $rebuilddb_dir and log::l("removing stale directory $rebuilddb_dir"), rm_rf($rebuilddb_dir);

	    URPM::DB::rebuild($prefix) or log::l("rebuilding of rpm database failed: " . c::rpmErrorString()), c::_exit(2);

	    c::_exit(0);
	}
    }

    my $db;
    if ($db = URPM::DB::open($prefix)) {
	log::l("opened rpm database for examining existing packages");
    } else {
	log::l("unable to open rpm database, using empty rpm db emulation");
	$db = new URPM;
    }

    $db;
}

sub rpmDbOpenForInstall {
    my ($prefix) = @_;

    #- there is a bug in rpm 4.2 where all operations for accessing rpmdb files are not
    #- always done using prefix, we need to setup a symlink in /var/lib/rpm for that ...
    unless (-e "/var/lib/rpm") {
	#- check if at some time a /var/lib directory has been made.
	if (-d "/var/lib") {
	    symlinkf "$prefix/var/lib/rpm", "/var/lib/rpm";
	} else {
	    symlinkf "$prefix/var/lib", "/var/lib";
	}
    }

    my $db = URPM::DB::open($prefix, 1);
    $db and log::l("opened rpmdb for writing in $prefix");
    $db;
}

sub cleanOldRpmDb {
    my ($prefix) = @_;
    my $failed;

    foreach (qw(Basenames Conflictname Group Name Packages Providename Requirename Triggername)) {
	-s "$prefix/var/lib/rpm/$_" or $failed = 'failed';
    }
    #- rebuilding has been successfull, so remove old rpm database if any.
    #- once we have checked the rpm4 db file are present and not null, in case
    #- of doubt, avoid removing them...
    unless ($failed) {
	log::l("rebuilding rpm database completed successfully");
	foreach (qw(conflictsindex.rpm fileindex.rpm groupindex.rpm nameindex.rpm packages.rpm
                    providesindex.rpm requiredby.rpm triggerindex.rpm)) {
	    -e "$prefix/var/lib/rpm/$_" or next;
	    log::l("removing old rpm file $_");
	    rm_rf("$prefix/var/lib/rpm/$_");
	}
    }
}

sub selectPackagesAlreadyInstalled {
    my ($packages, $_prefix) = @_;

    log::l("computing installed flags and size of installed packages");
    $packages->{sizes} = $packages->compute_installed_flags($packages->{rpmdb});
}

sub selectPackagesToUpgrade {
    my ($packages, $_prefix, $o_medium) = @_;

    #- check before that if medium is given, it should be valid.
    $o_medium && (! defined $o_medium->{start} || ! defined $o_medium->{end}) and return;

    log::l("selecting packages to upgrade");

    my $state = $packages->{state} ||= {};
    $state->{selected} = {};

    my %selection;
    $packages->request_packages_to_upgrade($packages->{rpmdb}, $state, \%selection,
					   requested => undef,
					   $o_medium ? (start => $o_medium->{start}, end => $o_medium->{end}) : (),
					  );
    log::l("resolving dependencies...");
    $packages->resolve_requested($packages->{rpmdb}, $state, \%selection,
				 callback_choices => \&packageCallbackChoices);
    log::l("...done");
}

sub allowedToUpgrade { $_[0] !~ /^(kernel|kernel22|kernel2.2|kernel-secure|kernel-smp|kernel-linus|kernel-linus2.2|hackkernel|kernel-enterprise)$/ }

sub installTransactionClosure {
    my ($packages, $id2pkg) = @_;
    my ($id, %closure, @l, $medium, $min_id, $max_id);

    @l = sort { $a <=> $b } keys %$id2pkg;

    #- search first usable medium (sorted by medium ordering).
    foreach (sort { $a->{start} <=> $b->{start} } values %{$packages->{mediums}}) {
	unless ($_->{selected}) {
	    #- this medium is not selected, but we have to make sure no package are left
	    #- in $id2pkg.
	    if (defined $_->{start} && defined $_->{end}) {
		foreach ($_->{start} .. $_->{end}) {
		    delete $id2pkg->{$_};
		}
	    }
	    #- anyway, examine the next one.
	    next;
	}
	if ($l[0] <= $_->{end}) {
	    #- we have a candidate medium, it could be the right one containing
	    #- the first package of @l...
	    $l[0] >= $_->{start} and $medium = $_, last;
	    #- ... but it could be necessary to find the first
	    #- medium containing package of @l.
	    foreach my $id (@l) {
		$id >= $_->{start} && $id <= $_->{end} and $medium = $_, last;
	    }
	    $medium and last;
	}
    }
    $medium or return (); #- no more medium usable -> end of installation by returning empty list.
    ($min_id, $max_id) = ($medium->{start}, $medium->{end});

    #- it is sure at least one package will be installed according to medium chosen.
    install_any::useMedium($medium->{medium});
    if ($medium->{method} eq 'cdrom') {
	my $pkg = $packages->{depslist}[$l[0]];

	#- force changeCD callback to be called from main process.
	install_any::getFile($pkg->filename, $medium->{descr});
	#- close opened handle above.
	install_any::getFile('XXX');
    }

    while (defined($id = shift @l)) {
	my @l2 = $id;

	while (defined($id = shift @l2)) {
	    exists $closure{$id} and next;
	    $id >= $min_id && $id <= $max_id or next;
	    $closure{$id} = undef;

	    my $pkg = $packages->{depslist}[$id];
	    foreach ($pkg->requires_nosense) {
		foreach (keys %{$packages->{provides}{$_} || {}}) {
		    if ($id2pkg->{$_}) {
			push @l2, $_;
			last;
		    }
		}
	    }
	}

	keys %closure >= $limitMinTrans and last;
    }

    map { delete $id2pkg->{$_} } grep { $id2pkg->{$_} } sort { $a <=> $b } keys %closure;
}

sub installCallback {
#    my $msg = shift;
#    log::l($msg .": ". join(',', @_));
}

sub install($$$;$$) {
    my ($prefix, $isUpgrade, $toInstall, $packages) = @_;
    my %packages;

    delete $packages->{rpmdb}; #- make sure rpmdb is closed before.

    return if !@$toInstall;

    #- for root loopback'ed /boot
    my $loop_boot = loopback::prepare_boot();

    #- first stage to extract some important informations
    #- about the packages selected. this is used to select
    #- one or many transaction.
    my ($total, $nb);
    foreach my $pkg (@$toInstall) {
	$packages{$pkg->id} = $pkg;
	$nb++;
	$total += to_int($pkg->size); #- do not correct for upgrade!
    }

    log::l("pkgs::install $prefix");
    log::l("pkgs::install the following: ", join(" ", map { $_->name } values %packages));
    eval { fs::mount("/proc", "$prefix/proc", "proc", 0) } unless -e "$prefix/proc/cpuinfo";

    URPM::read_config_files();
    my $LOG = openInstallLog($prefix);

    #- do not modify/translate the message used with installCallback since
    #- these are keys during progressing installation, or change in other
    #- place (install_steps_gtk.pm,...).
    installCallback($packages, 'user', undef, 'install', $nb, $total);

    do {
	my @transToInstall = installTransactionClosure($packages, \%packages);
	$nb = values %packages;

	#- added to exit typically after last media unselected.
	if ($nb == 0 && scalar(@transToInstall) == 0) {
	    cleanHeaders($prefix);

	    loopback::save_boot($loop_boot);
	    return;
	}

	#- extract headers for parent as they are used by callback.
	extractHeaders($prefix, \@transToInstall, $packages->{mediums});

	my ($retry_pkg, $retry_count);
	while ($retry_pkg || @transToInstall) {
	    local (*INPUT, *OUTPUT); pipe INPUT, OUTPUT;
	    if (my $pid = fork()) {
		close OUTPUT;
		my $error_msg = '';
		local $_;
		while (<INPUT>) {
		    if (/^die:(.*)/) {
			$error_msg = $1;
			last;
		    } else {
			chomp;
			my @params = split ":";
			if ($params[0] eq 'close') {
			    my $pkg = $packages->{depslist}[$params[1]];
			    #- update flag associated to package.
			    $pkg->set_flag_installed(1);
			    $pkg->set_flag_upgrade(0);
			    #- update obsoleted entry.
			    foreach (keys %{$packages->{state}{rejected}}) {
				if (exists $packages->{state}{rejected}{$_}{closure}{$pkg->fullname}) {
				    delete $packages->{state}{rejected}{$_}{closure}{$pkg->fullname};
				    %{$packages->{state}{rejected}{$_}{closure}} or delete $packages->{state}{rejected}{$_};
				}
			    }
			} else {
			    installCallback($packages, @params);
			}
		    }
		}
		$error_msg and $error_msg .= join('', <INPUT>);
		waitpid $pid, 0;
		close INPUT;
		$error_msg and die $error_msg;
	    } else {
		#- child process will run each transaction.
		$SIG{SEGV} = sub { log::l("segmentation fault on transactions"); c::_exit(0) };
		my @prev_pids = grep { /^\d+$/ } all("/proc");
		close INPUT;
		select((select(OUTPUT), $| = 1)[0]);
		if ($::testing) {
		    my $size_typical = $nb ? int($total/$nb) : 0;
		    foreach (@transToInstall) {
			log::l("i would install ", $_->name, " now");
			my $id = $_->id;
			print OUTPUT "inst:$id:start:0:$size_typical\ninst:$id:progress:0:$size_typical\nclose:$id\n";
		    }
		} else { eval {
		    my $db = rpmDbOpenForInstall($prefix) or die "error opening RPM database: ", c::rpmErrorString();
		    my $trans = $db->create_transaction($prefix);
		    if ($retry_pkg) {
			log::l("opened rpm database for retry transaction of 1 package only");
			$trans->add($retry_pkg, $isUpgrade && allowedToUpgrade($retry_pkg->name));
		    } else {
			log::l("opened rpm database for transaction of " . int(@transToInstall) .
			       " new packages, still $nb after that to do");
			$trans->add($_, $isUpgrade && allowedToUpgrade($_->name))
			  foreach @transToInstall;
		    }

		    my @checks = $trans->check; @checks and log::l("check failed : ".join("\n               ", @checks));
		    $trans->order or die "error ordering package list: " . c::rpmErrorString();
		    $trans->set_script_fd(fileno $LOG);

		    log::l("rpm transactions start");
		    my $fd; #- since we return the "fileno", perl doesn't know we're still using it, and so closes it, and :-(
		    my @probs = $trans->run($packages, force => 1, nosize => 1, callback_open => sub {
						my ($data, $_type, $id) = @_;
						my $pkg = defined $id && $data->{depslist}[$id];
						my $medium = packageMedium($packages, $pkg);
						my $f = $pkg && $pkg->filename;
						print $LOG "$f\n";
						$fd = install_any::getFile($f, $medium->{descr});
						$fd ? fileno $fd : -1;
					    }, callback_close => sub {
						my ($data, $_type, $id) = @_;
						my $pkg = defined $id && $data->{depslist}[$id] or return;
						my $check_installed;
						$db->traverse_tag('name', [ $pkg->name ], sub {
								      my ($p) = @_;
								      $check_installed ||= $pkg->compare_pkg($p) == 0;
								  });
						$check_installed and print OUTPUT "close:$id\n";
					    }, callback_inst => sub {
						my ($_data, $type, $id, $subtype, $amount, $total) = @_;
						print OUTPUT "$type:$id:$subtype:$amount:$total\n";
					    });
		    log::l("transactions done, now trying to close still opened fd");
		    install_any::getFile('XXX'); #- close still opened fd.

		    @probs and die "installation of rpms failed:\n  ", join("\n  ", @probs);
		}; $@ and print OUTPUT "die:$@\n" }
		close OUTPUT;

		#- now search for child process which may be locking the cdrom, making it unable to be ejected.
		my @allpids = grep { /^\d+$/ } all("/proc");
		my %ppids;
		foreach (@allpids) {
		    push @{$ppids{$1 || 1}}, $_
		      if cat_("/proc/$_/status") =~ /^PPid:\s+(\d+)/m;
		}
		my @killpid = difference2(\@allpids, [ @prev_pids, 
						       difference2([ $$, hashtree2list(getppid(), \%ppids) ],
								   [ hashtree2list($$, \%ppids) ]) ]);
	
		if (@killpid && $::isInstall) {
		    foreach (@killpid) {
			my ($prog, @para) = split("\0", cat_("/proc/$_/cmdline"));
			log::l("ERROR: DrakX should not have to clean the packages shit. Killing $_: " . join(' ', $prog, @para) . ".") if $prog ne '/usr/lib/gconfd-2';
		    }
		    kill 15, @killpid;
		    sleep 2;
		    kill 9, @killpid;
		}

		c::_exit(0);
	    }

	    #- if we are using a retry mode, this means we have to split the transaction with only
	    #- one package for each real transaction.
	    if (!$retry_pkg) {
		my @badPackages;
		foreach (@transToInstall) {
		    if (!$_->flag_installed && packageMedium($packages, $_)->{selected} && !exists($ignoreBadPkg{$_->name})) {
			push @badPackages, $_;
			log::l("bad package ".$_->fullname);
		    } else {
			$_->free_header;
		    }
		}
		@transToInstall = @badPackages;
		#- if we are in retry mode, we have to fetch only one package at a time.
		$retry_pkg = shift @transToInstall;
		$retry_count = 3;
	    } else {
		my $name;
		if (!$retry_pkg->flag_installed && packageMedium($packages, $retry_pkg)->{selected} && !exists($ignoreBadPkg{$retry_pkg->name})) {
		    if ($retry_count) {
			log::l("retrying installing package ".$retry_pkg->fullname." alone in a transaction");
			--$retry_count;
		    } else {
			log::l("bad package " . $retry_pkg->fullname . " unable to be installed");
			$retry_pkg->set_flag_requested(0);
			$retry_pkg->set_flag_required(0);
			#- keep name to display (problem of displaying ?).
			$name = $retry_pkg->fullname;
			$retry_pkg->free_header;
			$retry_pkg = shift @transToInstall;
			$retry_count = 3;
			#- now it could be safe to display error message ?
			cdie("error installing package list: $name");
		    }
		}
		#- check if name has been set (so that the following code has been executed already).
		if (!$name && ($retry_pkg->flag_installed || !$retry_pkg->flag_selected)) {
		    $retry_pkg->free_header;
		    $retry_pkg = shift @transToInstall;
		    $retry_count = 3;
		}
	    }
	}
	cleanHeaders($prefix);
    } while $nb > 0 && !$pkgs::cancel_install;

    log::l("closing install.log file");
    close $LOG;

    cleanHeaders($prefix);

    loopback::save_boot($loop_boot);
}

sub remove {
    my ($prefix, $toRemove, $packages) = @_;

    delete $packages->{rpmdb}; #- make sure rpmdb is closed before.

    return if !@{$toRemove || []};

    my $db = rpmDbOpenForInstall($prefix) or die "error opening RPM database: ", c::rpmErrorString();
    my $trans = $db->create_transaction($prefix);

    foreach my $p (@$toRemove) {
	#- stuff remove all packages that matches $p, not a problem since $p has name-version-release format.
	$trans->remove($p);
    }

    eval { fs::mount("/proc", "$prefix/proc", "proc", 0) } unless -e "$prefix/proc/cpuinfo";

    #- we are not checking depends since it should come when
    #- upgrading a system. although we may remove some functionalities ?

    #- do not modify/translate the message used with installCallback since
    #- these are keys during progressing installation, or change in other
    #- place (install_steps_gtk.pm,...).
    installCallback($db, 'user', undef, 'remove', scalar @$toRemove);

    if (my @probs = $trans->run(undef, force => 1)) {
	die "removing of old rpms failed:\n  ", join("\n  ", @probs);
    } else {
	#- clean ask_remove according to package marked to be deleted.
	if ($packages) {
	    foreach my $p (@$toRemove) {
		delete $packages->{state}{ask_remove}{$p};
	    }
	}
    }

    #- keep in mind removing of these packages by cleaning $toRemove.
    @{$toRemove || []} = ();
}

sub selected_leaves {
    my ($packages) = @_;
    my @leaves;

    foreach (@{$packages->{depslist}}) {
	$_->flag_requested && !$_->flag_base and push @leaves, $_->name;
    }
    \@leaves;
}

sub naughtyServers_list {
    my ($quiet) = @_;

    my @_old_81 = qw(
freeswan
);
    my @_old_82 = qw(
vnc-server
postgresql-server
);

    my @_old_92 = qw(
postfix ypbind bind ibod
);

    my @_removed_92 = qw(
mcserv
samba
lpr
);

    my @_moved_to_contrib_92 = qw(
boa
LPRng
wu-ftpd
am-utils
);

    my @new_80 = qw(
jabber
MySQL
am-utils
apache
boa
cfengine
cups
drakxtools-http
finger-server
imap
leafnode
lpr
ntp
openssh-server
pidentd
proftpd
rwall
rwho
squid
webmin
wu-ftpd
);

    my @new_81 = qw(
apache-mod_perl
ftp-server-krb5
mcserv
samba
telnet-server-krb5
ypserv
);

    my @new_82 = qw(
LPRng
httpd-naat
inn
netatalk
nfs-utils
rusers-server
samba-swat
tftp-server
ucd-snmp
);

    my @new_92 = qw(
apache2
apache2-mod_perl
DansGuardian
MySQL-Max
clusternfs
gkrellm-server
lisa
mon
net-snmp
openldap-servers
samba-server
saned
vsftpd
);

    my @not_warned = qw(
nfs-utils-clients
portmap
); # X server

    (@new_80, @new_81, @new_82, @new_92, if_(!$quiet, @not_warned));
}

sub naughtyServers {
    my ($packages) = @_;

    grep {
	my $p = packageByName($packages, $_);
	$p && $p->flag_selected;
    } naughtyServers_list('quiet');
}

sub hashtree2list {
    my ($e, $h) = @_;
    my @l;
    my @todo = $e;
    while (@todo) {
	my $e = shift @todo;
	push @l, $e;
	push @todo, @{$h->{$e} || []};
    }
    @l;
}

1;