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authorThierry Vignaud <tvignaud@mandriva.org>2004-03-15 13:16:41 +0000
committerThierry Vignaud <tvignaud@mandriva.org>2004-03-15 13:16:41 +0000
commit38a66deac2c8c7015221b69fc2c350c4d739b7b9 (patch)
treec7dfefbd039c45884ea0dab9058ac13ec1f18272 /kernel/list_modules.pm
parent5e032692a9a07e2b315cf0eaaebed37dab965e0e (diff)
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orinoco_plx too is a wireless cards driver
Diffstat (limited to 'kernel/list_modules.pm')
-rw-r--r--kernel/list_modules.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/list_modules.pm b/kernel/list_modules.pm
index 94959b7ce..d3e1f063c 100644
--- a/kernel/list_modules.pm
+++ b/kernel/list_modules.pm
@@ -20,7 +20,7 @@ our %l = (
qw(3c501 3c503 3c505 3c507 3c509 3c515 3c90x),
qw(82596 abyss ac3200 acenic aironet4500_card at1700 atp com20020-pci),
qw(cs89x0 de600 de620),
- qw(defxx orinoco_plx), # most unused
+ qw(defxx), # most unused
qw(depca dgrs dmfe e100 e2100 eepro eepro100 eexpress epic100 eth16i),
qw(ewrk3 hamachi hp hp-plus hp100 ibmtr),
qw(lance natsemi ne ne2k-pci ni5010 ni52 ni65 nvnet olympic pcnet32 plip rcpci),
@@ -51,7 +51,7 @@ our %l = (
],
wireless => [
qw(acx100_pci airo airo_cs aironet4500_cs aironet_cs at76c503 at76c503-rfmd atmel_cs),
- qw(hermes netwave_cs orinoco orinoco_cs orinoco_pci prism2_usb prism54 ray_cs usbvnet_rfmd vt_ar5k wavelan_cs wvlan_cs),
+ qw(hermes netwave_cs orinoco orinoco_cs orinoco_pci orinoco_plx prism2_usb prism54 ray_cs usbvnet_rfmd vt_ar5k wavelan_cs wvlan_cs),
if_(arch() =~ /ppc/, qw(airport)),
],
isdn => [
90'>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 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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 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 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package pkgs; # $Id$

use diagnostics;
use strict;
use vars qw(*LOG %preferred $limitMinTrans %compssListDesc);

use MDK::Common::System;
use common;
use install_any;
use commands;
use run_program;
use detect_devices;
use log;
use fs;
use loopback;
use c;



my @preferred = qw(perl-GTK postfix proftpd ghostscript-X vim-minimal kernel db1 db2 ispell-en Bastille-Curses-module);
@preferred{@preferred} = ();

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

#- constant for small transaction.
$limitMinTrans = 8;

#- constant for package accessor (via table).
my $FILE                 = 0;
my $FLAGS                = 1;
my $SIZE_DEPS            = 2;
my $MEDIUM               = 3;
my $PROVIDES             = 4;
my $VALUES               = 5;
my $HEADER               = 6;
my $INSTALLED_CUMUL_SIZE = 7;
my $EPOCH                = 8;

#- constant for packing flags, see below.
my $PKGS_SELECTED  = 0x00ffffff;
my $PKGS_FORCE     = 0x01000000;
my $PKGS_INSTALLED = 0x02000000;
my $PKGS_BASE      = 0x04000000;
my $PKGS_UPGRADE   = 0x20000000;

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

#- basic methods for extracting informations about packages.
#- to save memory, (name, version, release) are no more stored, they
#- are directly generated from (file).
#- all flags are grouped together into (flags), these includes the
#- following flags : selected, force, installed, base, skip.
#- size and deps are grouped to save memory too and make a much
#- simpler and faster depslist reader, this gets (sizeDeps).
sub packageHeaderFile   { $_[0] ? $_[0]->[$FILE]
			    : die "invalid package from\n" . backtrace() }
sub packageName         { $_[0] && $_[0]->[$FILE] =~ /^([^:\s]*)-[^:\-\s]+-[^:\-\s]+\.[^:\.\-\s]*(?::.*)?/ ? $1
			    : die "invalid file `" . ($_[0] && $_[0]->[$FILE]) . "'\n" . backtrace() }
sub packageVersion      { $_[0] && $_[0]->[$FILE] =~ /^[^:\s]*-([^:\-\s]+)-[^:\-\s]+\.[^:\.\-\s]*(?::.*)?/ ? $1
			    : die "invalid file `" . ($_[0] && $_[0]->[$FILE]) . "'\n" . backtrace() }
sub packageRelease      { $_[0] && $_[0]->[$FILE] =~ /^[^:\s]*-[^:\-\s]+-([^:\-\s]+)\.[^:\.\-\s]*(?::.*)?/ ? $1
			    : die "invalid file `" . ($_[0] && $_[0]->[$FILE]) . "'\n" . backtrace() }
sub packageArch         { $_[0] && $_[0]->[$FILE] =~ /^[^:\s]*-[^:\-\s]+-[^:\-\s]+\.([^:\.\-\s]*)(?::.*)?/ ? $1
			    : die "invalid file `" . ($_[0] && $_[0]->[$FILE]) . "'\n" . backtrace() }
sub packageFile         { $_[0] && $_[0]->[$FILE] =~ /^([^:\s]*-[^:\-\s]+-[^:\-\s]+\.[^:\.\-\s]*)(?::(.*))?/ ? ($2 || $1) . ".rpm"
			    : die "invalid file `" . ($_[0] && $_[0]->[$FILE]) . "'\n" . backtrace() }
sub packageEpoch        { $_[0] && $_[0]->[$EPOCH] || 0 }

sub packageSize   { to_int($_[0] && $_[0]->[$SIZE_DEPS]) }
sub packageDepsId { split ' ', ($_[0] && ($_[0]->[$SIZE_DEPS] =~ /^\d*\s*(.*)/)[0]) }

sub packageFlagSelected  { $_[0] && $_[0]->[$FLAGS] & $PKGS_SELECTED }
sub packageFlagForce     { $_[0] && $_[0]->[$FLAGS] & $PKGS_FORCE }
sub packageFlagInstalled { $_[0] && $_[0]->[$FLAGS] & $PKGS_INSTALLED }
sub packageFlagBase      { $_[0] && $_[0]->[$FLAGS] & $PKGS_BASE }
sub packageFlagUpgrade   { $_[0] && $_[0]->[$FLAGS] & $PKGS_UPGRADE }

sub packageSetFlagSelected  { $_[0]->[$FLAGS] &= ~$PKGS_SELECTED; $_[0]->[$FLAGS] |= $_[1] & $PKGS_SELECTED; }

sub packageSetFlagForce     { $_[0] or die "invalid package from\n" . backtrace();
			      $_[1] ? ($_[0]->[$FLAGS] |= $PKGS_FORCE)     : ($_[0]->[$FLAGS] &= ~$PKGS_FORCE); }
sub packageSetFlagInstalled { $_[0] or die "invalid package from\n" . backtrace();
			      $_[1] ? ($_[0]->[$FLAGS] |= $PKGS_INSTALLED) : ($_[0]->[$FLAGS] &= ~$PKGS_INSTALLED); }
sub packageSetFlagBase      { $_[0] or die "invalid package from\n" . backtrace();
			      $_[1] ? ($_[0]->[$FLAGS] |= $PKGS_BASE)      : ($_[0]->[$FLAGS] &= ~$PKGS_BASE); }
sub packageSetFlagUpgrade   { $_[0] or die "invalid package from\n" . backtrace();
			      $_[1] ? ($_[0]->[$FLAGS] |= $PKGS_UPGRADE)   : ($_[0]->[$FLAGS] &= ~$PKGS_UPGRADE); }

sub packageMedium { $_[0] or die "invalid package from\n" . backtrace();
		    $_[0]->[$MEDIUM] }

sub packageProvides { $_[1] or die "invalid package from\n" . backtrace();
		      map { $_[0]->{depslist}[$_] || die "unkown package id $_" } unpack "s*", $_[1]->[$PROVIDES] }

sub packageRate          { substr($_[0] && $_[0]->[$VALUES], 0, 1) }
sub packageRateRFlags    { my ($rate, @flags) = split "\t", $_[0] && $_[0]->[$VALUES]; ($rate, @flags) }
sub packageSetRateRFlags { my ($pkg, $rate, @flags) = @_; $pkg or die "invalid package from\n" . backtrace();
			   $pkg->[$VALUES] = join("\t", $rate, @flags) }

sub packageHeader     { $_[0] && $_[0]->[$HEADER] }
sub packageFreeHeader { $_[0] && c::headerFree(delete $_[0]->[$HEADER]) }

sub packageSelectedOrInstalled { packageFlagSelected($_[0]) || packageFlagInstalled($_[0]) }

sub packageId {
    my ($packages, $pkg) = @_;
    my $i = 0;
    foreach (@{$packages->{depslist}}) { return $i if $pkg == $packages->{depslist}[$i]; $i++ }
    return;
}

sub cleanHeaders {
    my ($prefix) = @_;
    commands::rm("-rf", "$prefix/tmp/headers") if -e "$prefix/tmp/headers";
}

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

    cleanHeaders($prefix);

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

    foreach (@$pkgs) {
	my $f = "$prefix/tmp/headers/". packageHeaderFile($_);
	local *H;
	open H, $f or log::l("unable to open header file $f: $!"), next;
	$_->[$HEADER] = c::headerRead(fileno H, 1) or log::l("unable to read header of package ". packageHeaderFile($_));
    }
    @$pkgs = grep { $_->[$HEADER] } @$pkgs;
}

#- 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 $size = 0;
    foreach (values %{$packages->{names}}) {
	packageFlagSelected($_) && !packageFlagInstalled($_) and $size += packageSize($_) - ($_->[$INSTALLED_CUMUL_SIZE] || 0);
    }
    $size;
}
sub correctedSelectedSize { correctSize(selectedSize($_[0]) / sqr(1024)) }


#- 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) = @_;
    $packages->{names}{$name} or log::l("unknown package `$name'") && undef;
}
sub packageById {
    my ($packages, $id) = @_;
    my $l = $packages->{depslist}[$id]; #- do not log as id unsupported are still in depslist.
    $l && @$l && $l;
}
sub packagesOfMedium {
    my ($packages, $mediumName) = @_;
    my $medium = $packages->{mediums}{$mediumName};
    grep { $_ && $_->[$MEDIUM] == $medium } @{$packages->{depslist}};
}
sub packagesToInstall {
    my ($packages) = @_;
    grep { packageFlagSelected($_) && !packageFlagInstalled($_) && $_->[$MEDIUM]{selected} } values %{$packages->{names}};
}

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

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

    #- check for medium selection, if the medium has not been
    #- selected, the package cannot be selected.
    #- check if the same or better version is installed,
    #- do not select in such case.
    $pkg && $pkg->[$MEDIUM]{selected} && !packageFlagInstalled($pkg) or return;

    #- avoid infinite recursion (mainly against badly generated depslist.ordered).
    $check_recursion ||= {}; exists $check_recursion->{$pkg->[$FILE]} and return; $check_recursion->{$pkg->[$FILE]} = undef;

    #- make sure base package are set even if already selected.
    $base and packageSetFlagBase($pkg, 1);

    #- select package and dependancies, 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)
    unless (packageFlagSelected($pkg)) {
	foreach (packageDepsId($pkg)) {
	    if (/\|/) {
		#- choice deps should be reselected recursively as no
		#- closure on them is computed, this code is exactly the
		#- same as pixel's one.
		my $preferred;	    
		foreach (split '\|') {
		    my $dep = packageById($packages, $_) or next;
		    $preferred ||= $dep;
		    packageFlagSelected($dep) and $preferred = $dep, last;
		    exists $preferred{packageName($dep)} and $preferred = $dep;
		}
		$preferred or die "unable to find a package for choice";
		packageFlagSelected($preferred) or log::l("selecting default package as $preferred->[$FILE]");
		selectPackage($packages, $preferred, $base, $otherOnly, $check_recursion);
	    } else {
		#- deps have been closed except for choices, so no need to
		#- recursively apply selection, expand base on it.
		my $dep = packageById($packages, $_);
		$base and packageSetFlagBase($dep, 1);
		$otherOnly and !packageFlagSelected($dep) and $otherOnly->{packageName($dep)} = 1;
		$otherOnly or packageSetFlagSelected($dep, 1+packageFlagSelected($dep));
	    }
	}
    }
    $otherOnly and !packageFlagSelected($pkg) and $otherOnly->{packageName($pkg)} = 1;
    $otherOnly or packageSetFlagSelected($pkg, 1+packageFlagSelected($pkg));
    1;
}
sub unselectPackage($$;$) {
    my ($packages, $pkg, $otherOnly) = @_;

    #- base package are not unselectable,
    #- and already unselected package are no more unselectable.
    packageFlagBase($pkg) and return;
    packageFlagSelected($pkg) or return;

    #- dependancies may be used to propose package that may be not
    #- usefull for the user, since their counter is just one and
    #- they are not used any more by other packages.
    #- provides are closed and are taken into account to get possible
    #- unselection of package (value false on otherOnly) or strict
    #- unselection (value true on otherOnly).
    foreach my $provided ($pkg, packageProvides($packages, $pkg)) {
	packageFlagBase($provided) and die "a provided package cannot be a base package";
	if (packageFlagSelected($provided)) {
	    my $unselect_alone = 1;
	    foreach (packageDepsId($provided)) {
		$unselect_alone = 0;
		if (/\|/) {
		    #- this package use a choice of other package, so we have to check
		    #- if our package is not included in the choice, if this is the
		    #- case, if must be checked one of the other package are selected.
		    foreach (split '\|') {
			my $dep = packageById($packages, $_) or next;
			$dep == $pkg and $unselect_alone |= 1 and next;
			packageFlagBase($dep) || packageFlagSelected($dep) and $unselect_alone |= 2;
		    }
		} else {
		    packageById($packages, $_) == $pkg and $unselect_alone = 1;
		}
		$unselect_alone == 1 and last;
	    }
	    #- if package has been found and nothing more selected,
	    #- deselect the provided, or we can ignore it safely.
	    $provided == $pkg || $unselect_alone == 1 or next;
	    $otherOnly or packageSetFlagSelected($provided, 0);
	    $otherOnly and $otherOnly->{packageName($provided)} = 1;
	}
	foreach (map { split '\|' } packageDepsId($provided)) {
	    my $dep = packageById($packages, $_) or next;
	    packageFlagBase($dep) and next;
	    packageFlagSelected($dep) or next;
	    for (packageFlagSelected($dep)) {
		$_ == 1 and do { $otherOnly and $otherOnly->{packageName($dep)} ||= 0; };
		$_ >  1 and do { $otherOnly or packageSetFlagSelected($dep, $_-1); };
		last;
	    }
	}
    }
    1;
}
sub togglePackageSelection($$;$) {
    my ($packages, $pkg, $otherOnly) = @_;
    packageFlagSelected($pkg) ? unselectPackage($packages, $pkg, $otherOnly) : selectPackage($packages, $pkg, 0, $otherOnly);
}
sub setPackageSelection($$$) {
    my ($packages, $pkg, $value) = @_;
    $value ? selectPackage($packages, $pkg) : unselectPackage($packages, $pkg);
}

sub unselectAllPackages($) {
    my ($packages) = @_;
    foreach (values %{$packages->{names}}) {
	unless (packageFlagBase($_) || packageFlagUpgrade($_)) {
	    packageSetFlagSelected($_, 0);
	}
    }
}
sub unselectAllPackagesIncludingUpgradable($) {
    my ($packages, $removeUpgradeFlag) = @_;
    foreach (values %{$packages->{names}}) {
	unless (packageFlagBase($_)) {
	    packageSetFlagSelected($_, 0);
	    packageSetFlagUpgrade($_, 0);
	}
    }
}

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

    #- WARNING: this function should be kept in sync with functions
    #- psUsingHdlists and psUsingHdlist.
    #- it purpose it to update hdlist files on system to install.

    #- parse hdlist.list file.
    my $medium = 1;
    foreach (<$listf>) {
	chomp;
	s/\s*#.*$//;
	/^\s*$/ and next;
	m/^\s*(hdlist\S*\.cz2?)\s+(\S+)\s*(.*)$/ or die "invalid hdlist description \"$_\" in hdlists file";
	my ($hdlist, $rpmsdir, $descr) = ($1, $2, $3);

	#- copy hdlist file directly to $prefix/var/lib/urpmi, this will be used
	#- for getting header of package during installation or after by urpmi.
	my $fakemedium = "$descr ($method$medium)";
	my $newf = "$prefix/var/lib/urpmi/hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
	-e $newf and do { unlink $newf or die "cannot remove $newf: $!"; };
	install_any::getAndSaveFile("Mandrake/base/$hdlist", $newf) or die "no $hdlist found";
	symlinkf $newf, "/tmp/$hdlist";
	++$medium;
    }

    #- this is necessary for urpmi.
    install_any::getAndSaveFile("Mandrake/base/$_", "$prefix/var/lib/urpmi/$_")
      foreach qw(depslist.ordered provides rpmsrate);
}

sub psUsingHdlists {
    my ($prefix, $method) = @_;
    my $listf = install_any::getFile('Mandrake/base/hdlists') or die "no hdlists found";
    my %packages = ( names => {}, count => 0, depslist => [], mediums => {});

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

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

	++$medium;
    }

    log::l("psUsingHdlists read " . scalar keys(%{$packages{names}}) .
	   " headers on " . scalar keys(%{$packages{mediums}}) . " hdlists");

    \%packages;
}

sub psUsingHdlist {
    my ($prefix, $method, $packages, $hdlist, $medium, $rpmsdir, $descr, $selected, $fhdlist) = @_;
    my $fakemedium = "$descr ($method$medium)";
    log::l("trying to read $hdlist for medium $medium");

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

    my $m = $packages->{mediums}{$medium} = { hdlist     => $hdlist,
					      method     => $method,
					      medium     => $medium,
					      rpmsdir    => $rpmsdir, #- where is RPMS directory.
					      descr      => $descr,
					      fakemedium => $fakemedium,
					      min        => $packages->{count},
					      max        => -1, #- will be updated after reading current hdlist.
					      selected   => $selected, #- default value is only CD1, it is really the minimal.
					    };

    #- copy hdlist file directly to $prefix/var/lib/urpmi, this will be used
    #- for getting header of package during installation or after by urpmi.
    my $newf = "$prefix/var/lib/urpmi/hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
    -e $newf and do { unlink $newf or die "cannot remove $newf: $!"; };
    install_any::getAndSaveFile($fhdlist || "Mandrake/base/$hdlist", $newf) or die "no $hdlist found";
    symlinkf $newf, "/tmp/$hdlist";

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

    #- extract filename from archive, this take advantage of verifying
    #- the archive too.
    eval {
	require packdrake;
	my $packer = new packdrake($newf, quiet => 1);
	foreach (@{$packer->{files}}) {
	    $packer->{data}{$_}[0] eq 'f' or next;
	    ++$packages->{count}; #- take care of this one, so that desplist will be clean with index of package.
	    my $pkg = [ (undef) x 8 ]; $pkg->[$FILE] = $_; $pkg->[$MEDIUM] = $m;
	    my $specific_arch = packageArch($pkg);
	    if (!$specific_arch || MDK::Common::System::compat_arch($specific_arch)) {
		my $old_pkg = $packages->{names}{packageName($pkg)};
		if ($old_pkg) {
		    if (packageVersion($pkg) eq packageVersion($old_pkg) && packageRelease($pkg) eq packageRelease($old_pkg)) {
			if (MDK::Common::System::better_arch($specific_arch, packageArch($old_pkg))) {
			    log::l("replacing old package with package $_ with better arch: $specific_arch");
			    $packages->{names}{packageName($pkg)} = $pkg;
			} else {
			    log::l("keeping old package against package $_ with worse arch");
			}
		    } else {
		        log::l("ignoring package $_ already present in distribution with different version or release");
		    }
		} else {
		    $packages->{names}{packageName($pkg)} = $pkg;
		}
	    } else {
	        log::l("ignoring package $_ with incompatible arch: $specific_arch");
	    }
	}
    };

    #- update maximal index.
    $m->{max} = $packages->{count} - 1;
    $m->{max} >= $m->{min} or die "nothing found while parsing $newf";
    log::l("read " . ($m->{max} - $m->{min} + 1) . " headers in $hdlist");
    1;
}

sub getOtherDeps($$) {
    my ($packages, $f) = @_;

    #- this version of getDeps is customized for handling errors more easily and
    #- convert reference by name to deps id including closure computation.
    local $_;
    while (<$f>) {
	my ($name, $version, $release, $size, $deps) = /^(\S*)-([^-\s]+)-([^-\s]+)\s+(\d+)\s+(.*)/;
	my $pkg = $packages->{names}{$name};

	$pkg or log::l("ignoring package $name-$version-$release in depslist is not in hdlist"), next;
	$version eq packageVersion($pkg) and $release eq packageRelease($pkg)
	  or log::l("warning package $name-$version-$release in depslist mismatch version or release in hdlist ($version ne ",
		    packageVersion($pkg), " or $release ne ", packageRelease($pkg), ")"), next;

	my $index = scalar @{$packages->{depslist}};
	$index >= $pkg->[$MEDIUM]{min} && $index <= $pkg->[$MEDIUM]{max}
	  or log::l("ignoring package $name-$version-$release in depslist outside of hdlist indexation");

	#- here we have to translate referenced deps by name to id.
	#- this include a closure on deps too.
	my %closuredeps;
	@closuredeps{map { packageId($packages, $_), packageDepsId($_) }
		       grep { $_ }
			 map { packageByName($packages, $_) or do { log::l("unknown package $_ in depslist for closure"); undef } }
			   split /\s+/, $deps} = ();

	$pkg->[$SIZE_DEPS] = join " ", $size, keys %closuredeps;

	push @{$packages->{depslist}}, $pkg;
    }

    #- check for same number of package in depslist and hdlists, avoid being to hard.
    scalar(keys %{$packages->{names}}) == scalar(@{$packages->{depslist}})
      or log::l("other depslist has not same package as hdlist file");
}

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

    #- this is necessary for urpmi.
    install_any::getAndSaveFile('Mandrake/base/depslist.ordered', "$prefix/var/lib/urpmi/depslist.ordered");
    install_any::getAndSaveFile('Mandrake/base/provides', "$prefix/var/lib/urpmi/provides");

    #- beware of heavily mismatching depslist.ordered file against hdlist files.
    my $mismatch = 0;

    #- count the number of packages in deplist that are also in hdlist
    my $nb_deplist = 0;

    #- update dependencies list, provides attributes are updated later
    #- cross reference to be resolved on id (think of loop requires)
    #- provides should be updated after base flag has been set to save
    #- memory.
    local *F; open F, "$prefix/var/lib/urpmi/depslist.ordered" or die "can't find dependancies list";
    local $_;
    while (<F>) {
	my ($name, $version, $release, $arch, $epoch, $sizeDeps) =
	  /^([^:\s]*)-([^:\-\s]+)-([^:\-\s]+)\.([^:\.\-\s]*)(?::(\d+)\S*)?\s+(.*)/;
	my $pkg = $packages->{names}{$name};

	#- these verification are necessary in case of error, but are no more fatal as
	#- in case of only one medium taken into account during install, there should be
	#- silent warning for package which are unknown at this point.
	$pkg or
	  log::l("ignoring $name-$version-$release.$arch in depslist is not in hdlist");
	$pkg && $version ne packageVersion($pkg) and
	  log::l("ignoring $name-$version-$release.$arch in depslist mismatch version in hdlist"), $pkg = undef;
	$pkg && $release ne packageRelease($pkg) and
	  log::l("ignoring $name-$version-$release.$arch in depslist mismatch release in hdlist"), $pkg = undef;
	$pkg && $arch ne packageArch($pkg) and
	  log::l("ignoring $name-$version-$release.$arch in depslist mismatch arch in hdlist"), $pkg = undef;

	if ($pkg) {
	    $nb_deplist++;
	    $epoch && $epoch > 0 and $pkg->[$EPOCH] = $epoch; #- only 5% of the distribution use epoch (serial).
	    $pkg->[$SIZE_DEPS] = $sizeDeps;

	    #- check position of package in depslist according to precomputed
	    #- limit by hdlist, very strict :-)
	    #- above warning have chance to raise an exception here, but may help
	    #- for debugging.
	    my $i = scalar @{$packages->{depslist}};
	    $i >= $pkg->[$MEDIUM]{min} && $i <= $pkg->[$MEDIUM]{max} or
	      log::l("inconsistency in position for $name-$version-$release.$arch in depslist and hdlist"), $mismatch = 1;
	}

	#- package are already sorted in depslist to enable small transaction and multiple medium.
	push @{$packages->{depslist}}, $pkg;
    }

    #- check for mismatching package, it should break with above die unless depslist has too many errors!
    $mismatch and die "depslist.ordered mismatch against hdlist files";

    #- check for same number of package in depslist and hdlists.
    my $nb_hdlist = keys %{$packages->{names}};
    $nb_hdlist == $nb_deplist or die "depslist.ordered has not same package as hdlist files ($nb_deplist != $nb_hdlist)";
}

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

    #- update provides according to dependencies, here are stored
    #- reference to package directly and choice are included, this
    #- assume only 1 of the choice is selected, else on unselection
    #- the provided package will be deleted where other package still
    #- need it.
    #- base package are not updated because they cannot be unselected,
    #- this save certainly a lot of memory since most of them may be
    #- needed by a large number of package.
    #- now using a packed of signed short, this means no more than 32768
    #- packages can be managed by DrakX (currently about 2000).
    my $i = 0;
    foreach my $pkg (@{$packages->{depslist}}) {
	$pkg or next;
	unless (packageFlagBase($pkg)) {
	    foreach (map { split '\|' } grep { !/^NOTFOUND_/ } packageDepsId($pkg)) {
		my $provided = packageById($packages, $_) or next;
		packageFlagBase($provided) or $provided->[$PROVIDES] = pack "s*", (unpack "s*", $provided->[$PROVIDES]), $i;
	    }
	}
	++$i;
    }
}

sub read_rpmsrate {
    my ($packages, $f) = @_;
    my $line_nb = 0;
    my (@l);
    while (<$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 ? @{$l[$#l][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;
	    $flag = join('||', grep { 
		if (my ($inv, $p) = /^(!)?HW"(.*)"/) {
		    ($inv xor detect_devices::matching_desc($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 ($rate) = grep { /^\d$/ } @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_($_ && packageName($_) =~ /locales-(.*)/, qq(LOCALES"$1")) }
		      map { packageById($packages, $_) } packageDepsId($p);
		    packageSetRateRFlags($p, $rate, (grep { !/^\d$/ } @m), @m2);
		} else {
		    print "$_ = ", join(" && ", @m), "\n";
		}
	    }
	    push @l, @l2;
	} else {
	    push @l, [ $l2[0][0], $l2[$#l2][1] ];
	}
    }
}

sub readCompssUsers {
    my ($meta_class) = @_;
    my (%compssUsers, @sorted, $l);

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

	if (/^(\S.*)/) {
	    my $verbatim = $_;
	    my ($icon, $descr, $path);
	    /^(.*?)\s*\[path=(.*?)\](.*)/  and $_ = "$1$3", $path  = $2;
	    /^(.*?)\s*\[icon=(.*?)\](.*)/  and $_ = "$1$3", $icon  = $2;
	    /^(.*?)\s*\[descr=(.*?)\](.*)/ and $_ = "$1$3", $descr = $2;
	    $compssUsers{"$path|$_"} = { label => $_, verbatim => $verbatim, path => $path, icons => $icon, descr => $descr, 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 $p (values %{$packages->{names}}) {
	    my ($rate, @flags) = packageRateRFlags($p);
	    if ($rate && grep { grep { !/^!/ && $fl{$_} } split('\|\|') } @flags) {
		$flat .= sprintf "\t%d %s\n", $rate, packageName($p);
	    }
	}
    }
    output "$prefix/var/lib/urpmi/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 $p (sort { packageRate($b) <=> packageRate($a) } values %{$packages->{names}}) {
	my ($rate, @flags) = packageRateRFlags($p);
	next if !$rate || $rate < $min_level || grep { !grep { /^!(.*)/ ? !$compssUsersChoice->{$1} : $compssUsersChoice->{$_} } split('\|\|') } @flags;

	#- determine the packages that will be selected when
	#- selecting $p. the packages are not selected.
	my %newSelection;
	selectPackage($packages, $p, 0, \%newSelection);

	#- this enable an incremental total size.
	my $old_nb = $nb;
	foreach (grep { $newSelection{$_} } keys %newSelection) {
	    $nb += packageSize($packages->{names}{$_});
	}
	if ($max_size && $nb > $max_size) {
	    $nb = $old_nb;
	    $min_level = packageRate($p);
	    last;
	}

	#- at this point the package can safely be selected.
	selectPackage($packages, $p);
    }
    log::l("setSelectedFromCompssList: reached size ", formatXiB($nb), ", up to indice $min_level (less than ", formatXiB($max_size), ")");
    log::l("setSelectedFromCompssList: ", join(" ", sort map { packageName($_) } grep { packageFlagSelected($_) } @{$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 ($packages) = @_;
    my @l = values %{$packages->{names}};
    my @flags = map { packageFlagSelected($_) } @l;
    [ $packages, \@l, \@flags ];
}
sub restoreSelected {
    my ($packages, $l, $flags) = @{$_[0]};
    mapn { packageSetFlagSelected(@_) } $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, too costly
	grep { !/LOCALES/ } @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);

    foreach my $p (values %{$packages->{names}}) {
	my ($rate, @flags) = packageRateRFlags($p);
	next if !$rate || $rate < $min_level;

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

	#- determine the packages that will be selected when selecting $p. the packages are not selected.
	my %newSelection;
	selectPackage($packages, $p, 0, \%newSelection);
	foreach (grep { $newSelection{$_} } keys %newSelection) {
	    my $s = $group{$_} || do {
		$packages->{names}{$_}[$VALUES] =~ /\t(.*)/;
		join("\t", or_ify(split("\t", $1)));
	    };
	    next if length($s) > 80; # HACK, truncated too complicated expressions, too costly
	    my $m = "$flags\t$s";
	    $group{$_} = ($memo{$m} ||= or_clean(@flags, split("\t", $s)));
	}
    }
    my (%sizes, %pkgs);
    while (my ($k, $v) = each %group) {
	push @{$pkgs{$v}}, $k;
	$sizes{$v} += packageSize($packages->{names}{$k});
    }
    log::l(sprintf "%s %dMB %s", $_, $sizes{$_} / sqr(1024), join(',', @{$pkgs{$_}})) foreach keys %sizes;
    \%sizes, \%pkgs;
}


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

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

    log::l("reading /usr/lib/rpm/rpmrc");
    c::rpmReadConfigFiles() or die "can't read rpm config files";
    log::l("\tdone");
}

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

    log::l("reading /usr/lib/rpm/rpmrc");
    c::rpmReadConfigFiles() or die "can't read rpm config files";
    log::l("\tdone");

    unless (exists $packages->{rebuild_db}) {
	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"), commands::rm("-rf", $rebuilddb_dir);

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

	    c::_exit(0);
	}
	$packages->{rebuild_db} = undef;
    }

    my $db = c::rpmdbOpenForTraversal($prefix) or die "unable to open $prefix/var/lib/rpm/Packages";
    log::l("opened rpm database for examining existing packages");

    $db;
}

sub clean_old_rpm_db {
    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 $_");
	    commands::rm("-f", "$prefix/var/lib/rpm/$_");
	}
    }
}

sub done_db {
    log::l("closing install.log file");
    close LOG;
}

sub versionCompare($$) {
    my ($a, $b) = @_;
    local $_;

    while ($a || $b) {
	my ($sb, $sa) =  map { $1 if $a =~ /^\W*\d/ ? s/^\W*0*(\d+)// : s/^\W*(\D*)// } ($b, $a);
	$_ = ($sa =~ /^\d/ || $sb =~ /^\d/) && length($sa) <=> length($sb) || $sa cmp $sb and return $_ || 0;
	$sa eq '' && $sb eq '' and return $a cmp $b || 0;
    }
}

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

    #- avoid rebuilding the database if such case.
    $packages->{rebuild_db} = "oem does not need rebuilding the rpm db";
    my $db = rebuild_db_open_for_traversal($packages, $prefix);

    #- this method has only one objectif, check the presence of packages
    #- already installed and avoid installing them again. this is to be used
    #- with oem installation, if the database exists, preselect the packages
    #- installed WHATEVER their version/release (log if a problem is perceived
    #- is enough).
    c::rpmdbTraverse($db, sub {
			 my ($header) = @_;
			 my $p = $packages->{names}{c::headerGetEntry($header, 'name')};

			 if ($p) {
			     my $epoch_cmp = c::headerGetEntry($header, 'epoch') <=> packageEpoch($p);
			     my $version_cmp = $epoch_cmp == 0 && versionCompare(c::headerGetEntry($header, 'version'),
										 packageVersion($p));
			     my $version_rel_test = $epoch_cmp > 0 || $epoch_cmp == 0 &&
			       ($version_cmp > 0 || $version_cmp == 0 &&
				versionCompare(c::headerGetEntry($header, 'release'), packageRelease($p)) >= 0);
			     $version_rel_test or log::l("keeping an older package, avoiding selecting $p->[$FILE]");
			     packageSetFlagInstalled($p, 1);
			 }
		     });

    #- close db, job finished !
    c::rpmdbClose($db);
    log::l("done selecting packages to upgrade");
}

sub selectPackagesToUpgrade($$$;$$) {
    my ($packages, $prefix, $base, $toRemove, $toSave) = @_;
    local $_; #- else perl complains on the map { ... } grep { ... } @...;

    local (*UPGRADE_INPUT, *UPGRADE_OUTPUT); pipe UPGRADE_INPUT, UPGRADE_OUTPUT;
    if (my $pid = fork()) {
	@{$toRemove || []} = (); #- reset this one.

	close UPGRADE_OUTPUT;
	while (<UPGRADE_INPUT>) {
	    chomp;
	    my ($action, $name) = /^([\w\d]*):(.*)/;
	    for ($action) {
		/remove/    and do { push @$toRemove, $name; next };
		/keepfiles/ and do { push @$toSave, $name; next };

		my $p = $packages->{names}{$name} or die "unable to find package ($name)";
		/^\d*$/     and do { $p->[$INSTALLED_CUMUL_SIZE] = $action; next };
		/installed/ and do { packageSetFlagInstalled($p, 1); next };
		/select/    and do { selectPackage($packages, $p); next };

		die "unknown action ($action)";
	    }
	}
	close UPGRADE_INPUT;
	waitpid $pid, 0;
    } else {
	close UPGRADE_INPUT;
	
	my $db = rebuild_db_open_for_traversal($packages, $prefix);
	#- used for package that are not correctly updated.
	#- should only be used when nothing else can be done correctly.
	my %upgradeNeedRemove = (
				 'libstdc++' => 1,
				 'compat-glibc' => 1,
				 'compat-libs' => 1,
				);

	#- generel purpose for forcing upgrade of package whatever version is.
	my %packageNeedUpgrade = (
				  #'lilo' => 1, #- this package has been misnamed in 7.0.
				 );

	#- help removing package which may have different release numbering
	my %toRemove; map { $toRemove{$_} = 1 } @{$toRemove || []};

	#- help searching package to upgrade in regard to already installed files.
	my %installedFilesForUpgrade;

	#- help keeping memory by this set of package that have been obsoleted.
	my %obsoletedPackages;

	#- make a subprocess here for reading filelist, this is important
	#- not to waste a lot of memory for the main program which will fork
	#- latter for each transaction.
	local (*INPUT, *OUTPUT_CHILD); pipe INPUT, OUTPUT_CHILD;
	local (*INPUT_CHILD, *OUTPUT); pipe INPUT_CHILD, OUTPUT;
	if (my $pid = fork()) {
	    close INPUT_CHILD;
	    close OUTPUT_CHILD;
	    select((select(OUTPUT), $| = 1)[0]);

	    #- internal reading from interactive mode of parsehdlist.
	    #- takes a code to call with the line read, this avoid allocating
	    #- memory for that.
	    my $ask_child = sub {
		my ($name, $tag, $code) = @_;
		$code or die "no callback code for parsehdlist output";
		print OUTPUT "$name:$tag\n";

		local $_;
		while (<INPUT>) {
		    chomp;
		    /^\s*$/ and last;
		    $code->($_);
		}
	    };

	    #- select packages which obseletes other package, obselete package are not removed,
	    #- should we remove them ? this could be dangerous !
	    foreach my $p (values %{$packages->{names}}) {
		$ask_child->(packageName($p), "obsoletes", sub {
				 #- take care of flags and version and release if present
				 if ($_[0] =~ /^(\S*)\s*(\S*)\s*([^\s-]*)-?(\S*)/ && c::rpmdbNameTraverse($db, $1) > 0) {
				     $3 and eval(versionCompare(packageVersion($p), $3) . $2 . 0) or next;
				     $4 and eval(versionCompare(packageRelease($p), $4) . $2 . 0) or next;
				     log::l("selecting " . packageName($p) . " by selection on obsoletes");
				     $obsoletedPackages{$1} = undef;
				     selectPackage($packages, $p);
				 }
			     });
	    }

	    #- mark all files which are not in /etc/rc.d/ for packages which are already installed but which
	    #- are not in the packages list to upgrade.
	    #- the 'installed' property will make a package unable to be selected, look at select.
	    c::rpmdbTraverse($db, sub {
				 my ($header) = @_;
				 my $otherPackage = (c::headerGetEntry($header, 'release') !~ /mdk\w*$/ &&
						     (c::headerGetEntry($header, 'name'). '-' .
						      c::headerGetEntry($header, 'version'). '-' .
						      c::headerGetEntry($header, 'release')));
				 my $p = $packages->{names}{c::headerGetEntry($header, 'name')};

				 if ($p) {
				     my $epoch_cmp = c::headerGetEntry($header, 'epoch') <=> packageEpoch($p);
				     my $version_cmp = $epoch_cmp == 0 && versionCompare(c::headerGetEntry($header, 'version'),
											 packageVersion($p));
				     my $version_rel_test = $epoch_cmp > 0 || $epoch_cmp == 0 &&
				       ($version_cmp > 0 || $version_cmp == 0 &&
					versionCompare(c::headerGetEntry($header, 'release'), packageRelease($p)) >= 0);
				     if ($packageNeedUpgrade{packageName($p)}) {
					 log::l("package ". packageName($p) ." need to be upgraded");
				     } elsif ($version_rel_test) { #- by default, package are upgraded whatever version is !
					 if ($otherPackage && $version_cmp <= 0) {
					     log::l("force upgrading $otherPackage since it will not be updated otherwise");
					 } else {
					     #- let the parent known this installed package.
					     print UPGRADE_OUTPUT "installed:" . packageName($p) . "\n";
					     packageSetFlagInstalled($p, 1);
					 }
				     } elsif ($upgradeNeedRemove{packageName($p)}) {
					 my $otherPackage = (c::headerGetEntry($header, 'name'). '-' .
							     c::headerGetEntry($header, 'version'). '-' .
							     c::headerGetEntry($header, 'release'));
					 log::l("removing $otherPackage since it will not upgrade correctly!");
					 $toRemove{$otherPackage} = 1; #- force removing for theses other packages, select our.
				     }
				 } else {
				     if (! exists $obsoletedPackages{c::headerGetEntry($header, 'name')}) {
					 my @files = c::headerGetEntry($header, 'filenames');
					 @installedFilesForUpgrade{grep { ($_ !~ m|^/etc/rc.d/| && $_ !~ m|\.la$| &&
									   ! -d "$prefix/$_" && ! -l "$prefix/$_") } @files} = ();
				     }
				 }
			     });

	    #- find new packages to upgrade.
	    foreach my $p (values %{$packages->{names}}) {
		my $skipThis = 0;
		my $count = c::rpmdbNameTraverse($db, packageName($p), sub {
						     my ($header) = @_;
						     $skipThis ||= packageFlagInstalled($p);
						 });

		#- skip if not installed (package not found in current install).
		$skipThis ||= ($count == 0);

		#- make sure to upgrade package that have to be upgraded.
		$packageNeedUpgrade{packageName($p)} and $skipThis = 0;

		#- select the package if it is already installed with a lower version or simply not installed.
		unless ($skipThis) {
		    my $cumulSize;

		    selectPackage($packages, $p);

		    #- keep in mind installed files which are not being updated. doing this costs in
		    #- execution time but use less memory, else hash all installed files and unhash
		    #- all file for package marked for upgrade.
		    c::rpmdbNameTraverse($db, packageName($p), sub {
					     my ($header) = @_;
					     $cumulSize += c::headerGetEntry($header, 'size');
					     my @files = c::headerGetEntry($header, 'filenames');
					     @installedFilesForUpgrade{grep { ($_ !~ m|^/etc/rc.d/| && $_ !~ m|\.la$| &&
									   ! -d "$prefix/$_" && ! -l "$prefix/$_") } @files} = ();
					 });

		    $ask_child->(packageName($p), "files", sub {
				     delete $installedFilesForUpgrade{$_[0]};
				 });

		    #- keep in mind the cumul size of installed package since they will be deleted
		    #- on upgrade, only for package that are allowed to be upgraded.
		    if (allowedToUpgrade(packageName($p))) {
			print UPGRADE_OUTPUT "$cumulSize:" . packageName($p) . "\n";
		    }
		}
	    }

	    #- unmark all files for all packages marked for upgrade. it may not have been done above
	    #- since some packages may have been selected by depsList.
	    foreach my $p (values %{$packages->{names}}) {
		if (packageFlagSelected($p)) {
		    $ask_child->(packageName($p), "files", sub {
				     delete $installedFilesForUpgrade{$_[0]};
				 });
		}
	    }

	    #- select packages which contains marked files, then unmark on selection.
	    #- a special case can be made here, the selection is done only for packages
	    #- requiring locales if the locales are selected.
	    #- another special case are for devel packages where fixes over the time has
	    #- made some files moving between the normal package and its devel couterpart.
	    #- if only one file is affected, no devel package is selected.
	    foreach my $p (values %{$packages->{names}}) {
		unless (packageFlagSelected($p)) {
		    my $toSelect = 0;
		    $ask_child->(packageName($p), "files", sub {
				     if ($_[0] !~  m|^/etc/rc.d/| &&  $_ !~ m|\.la$| && exists $installedFilesForUpgrade{$_[0]}) {
					 ++$toSelect if ! -d "$prefix/$_[0]" && ! -l "$prefix/$_[0]";
				     }
				     delete $installedFilesForUpgrade{$_[0]};
				 });
		    if ($toSelect) {
			if ($toSelect <= 1 && packageName($p) =~ /-devel/) {
			    log::l("avoid selecting " . packageName($p) . " as not enough files will be updated");
			} else {
			    #- default case is assumed to allow upgrade.
			    my @deps = map { my $p = packageById($packages, $_);
					     if_($p && packageName($p) =~ /locales-/, $p) } packageDepsId($p);
			    if (@deps == 0 || @deps > 0 && (grep { !packageFlagSelected($_) } @deps) == 0) {
				log::l("selecting " . packageName($p) . " by selection on files");
				selectPackage($packages, $p);
			    } else {
				log::l("avoid selecting " . packageName($p) . " as its locales language is not already selected");
			    }
			}
		    }
		}
	    }

	    #- clean memory...
	    %installedFilesForUpgrade = ();

	    #- no need to still use the child as this point, we can let him to terminate.
	    close OUTPUT;
	    close INPUT;
	    waitpid $pid, 0;
	} else {
	    close INPUT;
	    close OUTPUT;
	    open STDIN, "<&INPUT_CHILD";
	    open STDOUT, ">&OUTPUT_CHILD";
	    exec if_($ENV{LD_LOADER}, $ENV{LD_LOADER}), "parsehdlist", "--interactive", map { "/tmp/$_->{hdlist}" } values %{$packages->{mediums}}
	      or c::_exit(1);
	}

	#- let the parent known about what we found here!
	foreach my $p (values %{$packages->{names}}) {
	    print UPGRADE_OUTPUT "select:" . packageName($p) . "\n" if packageFlagSelected($p);
	}

	#- clean false value on toRemove.
	delete $toRemove{''};

	#- get filenames that should be saved for packages to remove.
	#- typically config files, but it may broke for packages that
	#- are very old when compabilty has been broken.
	#- but new version may saved to .rpmnew so it not so hard !
	if ($toSave && keys %toRemove) {
	    c::rpmdbTraverse($db, sub {
				 my ($header) = @_;
				 my $otherPackage = (c::headerGetEntry($header, 'name'). '-' .
						     c::headerGetEntry($header, 'version'). '-' .
						     c::headerGetEntry($header, 'release'));
				 if ($toRemove{$otherPackage}) {
				     print UPGRADE_OUTPUT "remove:$otherPackage\n";
				     if (packageFlagBase($packages->{names}{c::headerGetEntry($header, 'name')})) {
					 delete $toRemove{$otherPackage}; #- keep it selected, but force upgrade.
				     } else {
					 my @files = c::headerGetEntry($header, 'filenames');
					 my @flags = c::headerGetEntry($header, 'fileflags');
					 for my $i (0..$#flags) {
					     if ($flags[$i] & c::RPMFILE_CONFIG()) {
						 print UPGRADE_OUTPUT "keepfiles:$files[$i]\n" unless $files[$i] =~ /kdelnk/;
					     }
					 }
				     }
				 }
			     });
	}

	#- close db, job finished !
	c::rpmdbClose($db);
	log::l("done selecting packages to upgrade");

	close UPGRADE_OUTPUT;
	c::_exit(0);
    }

    #- keep a track of packages that are been selected for being upgraded,
    #- these packages should not be unselected (unless expertise)
    foreach my $p (values %{$packages->{names}}) {
	packageSetFlagUpgrade($p, 1) if packageFlagSelected($p);
    }
}

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

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

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

    return if $::g_auto_install || !scalar(@$toInstall);

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

    #- 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) {
	$packages{packageName($pkg)} = $pkg;
	$nb++;
	$total += packageSize($pkg);
    }

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

    init_db($prefix);

    my $callbackOpen = sub {
	my $p = $packages{$_[0]} or log::l("unable to retrieve package of $_[0]"), return -1;
	my $f = packageFile($p);
	print LOG "$f $p->[$MEDIUM]{descr}\n";
	my $fd = install_any::getFile($f, $p->[$MEDIUM]{descr});
	$fd ? fileno $fd : -1;
    };
    my $callbackClose = sub { packageSetFlagInstalled($packages{$_[0]}, 1) };

    #- 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("Starting installation", $nb, $total);

    my ($i, $min, $medium) = (0, 0, 1);
    do {
	my @transToInstall;

	if (!$depOrder || !$media) {
	    @transToInstall = values %packages;
	    $nb = 0;
	} else {
	    do {
		#- change current media if needed.
		if ($i > $media->{$medium}{max}) {
		    #- search for media that contains the desired package to install.
		    foreach (keys %$media) {
			$i >= $media->{$_}{min} && $i <= $media->{$_}{max} and $medium = $_, last;
		    }
		}
		$i >= $media->{$medium}{min} && $i <= $media->{$medium}{max} or die "unable to find right medium";
		install_any::useMedium($medium);

		while ($i <= $media->{$medium}{max} && ($i < $min || scalar @transToInstall < $limitMinTrans)) {
		    my $pkg = $depOrder->[$i++] or next;
		    my $dep = $packages{packageName($pkg)} or next;
		    if ($dep->[$MEDIUM]{selected}) {
			push @transToInstall, $dep;
			foreach (map { split '\|' } packageDepsId($dep)) {
			    $min < $_ and $min = $_;
			}
		    } else {
			log::l("ignoring package $dep->[$FILE] as its medium is not selected");
		    }
		    --$nb; #- make sure the package is not taken into account as its medium is not selected.
		}
	    } while ($nb > 0 && scalar(@transToInstall) == 0); #- avoid null transaction, it a nop that cost a bit.
	}

	#- 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, $media->{$medium});

	if ($media->{$medium}{method} eq 'cdrom') {
	    #- reset file descriptor open for main process but
	    #- make sure error trying to change from hdlist are
	    #- trown from main process too.
	    install_any::getFile(packageFile($transToInstall[0]), $transToInstall[0][$MEDIUM]{descr});
	}
	#- and make sure there are no staling open file descriptor too (before forking)!
	install_any::getFile('XXX');

	my ($retry_package, $retry_count);
	while ($retry_package || @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') {
			    &$callbackClose($params[1]);
			} else {
			    installCallback(@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 $db;
		eval {
		    close INPUT;
		    select((select(OUTPUT),  $| = 1)[0]);
		    $db = c::rpmdbOpen($prefix) or die "error opening RPM database: ", c::rpmErrorString();
		    my $trans = c::rpmtransCreateSet($db, $prefix);
		    if ($retry_package) {
			log::l("opened rpm database for retry transaction of 1 package only");
			c::rpmtransAddPackage($trans, $retry_package->[$HEADER], packageName($retry_package),
					      $isUpgrade && allowedToUpgrade(packageName($retry_package)));
		    } else {
			log::l("opened rpm database for transaction of ". scalar @transToInstall ." new packages, still $nb after that to do");
			c::rpmtransAddPackage($trans, $_->[$HEADER], packageName($_),
					      $isUpgrade && allowedToUpgrade(packageName($_)))
			    foreach @transToInstall;
		    }

		    c::rpmdepOrder($trans) or die "error ordering package list: " . c::rpmErrorString();
		    c::rpmtransSetScriptFd($trans, fileno LOG);

		    log::l("rpmRunTransactions start");
		    my @probs = c::rpmRunTransactions($trans, $callbackOpen,
						      sub { #- callbackClose
							  print OUTPUT "close:$_[0]\n"; },
						      sub { #- installCallback
							  print OUTPUT join(":", @_), "\n"; },
						      1);
		    log::l("rpmRunTransactions done, now trying to close still opened fd");
		    install_any::getFile('XXX'); #- close still opened fd.

		    if (@probs) {
			my %parts;
			@probs = reverse grep {
			    if (s/(installing package) .* (needs (?:.*) on the (.*) filesystem)/$1 $2/) {
				$parts{$3} ? 0 : ($parts{$3} = 1);
			    } else {
				1;
			    }
			} reverse map { s|/mnt||; $_ } @probs;

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

		c::rpmdbClose($db);
		log::l("rpm database closed");

		close OUTPUT;

		#- now search for child process which may be locking the cdrom, making it unable to be ejected.
		my (@killpid, %tree, $pid);
		local (*DIR, *F, $_);
		opendir DIR, "/proc";
		while ($pid = readdir DIR) {
		    $pid =~ /^\d+$/ or next;
		    open F, "/proc/$pid/status";
		    while (<F>) {
			/^Pid:\s+(\d+)/ and $pid == $1 || die "incorrect pid reported for $pid (found $1)";
			if (/^PPid:\s+(\d+)/) {
			    $tree{$pid} and die "PPID already found for $pid, previously $tree{$pid}, now $1";
			    $tree{$pid} = $1;
			}
		    }
		    close F;
		}
		closedir DIR;
		foreach (keys %tree) {
		    #- remove child of this process (which will terminate).
		    $pid = $_; while ($pid = $tree{$pid}) { $pid == $$ and push @killpid, $_ }
		    #- remove child of 1 direct that have a pid greater than current one.
		    $_ > $$ && $tree{$_} == 1 and push @killpid, $_;
		}
		if (@killpid) {
		    log::l("killing process ". join(", ", @killpid));
		    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.
	    unless ($retry_package) {
		my @badPackages;
		foreach (@transToInstall) {
		    if (!packageFlagInstalled($_) && $_->[$MEDIUM]{selected} && !exists($ignoreBadPkg{packageName($_)})) {
			push @badPackages, $_;
			log::l("bad package $_->[$FILE]");
		    } else {
			packageFreeHeader($_);
		    }
		}
		@transToInstall = @badPackages;
		#- if we are in retry mode, we have to fetch only one package at a time.
		$retry_package = shift @transToInstall;
		$retry_count = 3;
	    } else {
		if (!packageFlagInstalled($retry_package) && $retry_package->[$MEDIUM]{selected} && !exists($ignoreBadPkg{packageName($retry_package)})) {
		    if ($retry_count) {
			log::l("retrying installing package $retry_package->[$FILE] alone in a transaction");
			--$retry_count;
		    } else {
			log::l("bad package $retry_package->[$FILE] unable to be installed");
			packageSetFlagSelected($retry_package, 0);
			cdie ("error installing package list: $retry_package->[$FILE]");
		    }
		}
		if (packageFlagInstalled($retry_package) || ! packageFlagSelected($retry_package)) {
		    packageFreeHeader($retry_package);
		    $retry_package = shift @transToInstall;
		    $retry_count = 3;
		}
	    }
	}
	cleanHeaders($prefix);
    } while ($nb > 0 && !$pkgs::cancel_install);

    done_db();

    cleanHeaders($prefix);

    loopback::save_boot($loop_boot);
}

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

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

    log::l("reading /usr/lib/rpm/rpmrc");
    c::rpmReadConfigFiles() or die "can't read rpm config files";
    log::l("\tdone");

    my $db = c::rpmdbOpen($prefix) or die "error opening RPM database: ", c::rpmErrorString();
    log::l("opened rpm database for removing old packages");

    my $trans = c::rpmtransCreateSet($db, $prefix);

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

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

    my $callbackOpen = sub { log::l("trying to open file from $_[0] which should not happen"); };
    my $callbackClose = sub { log::l("trying to close file from $_[0] which should not happen"); };

    #- 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("Starting removing other packages", scalar @$toRemove);

    if (my @probs = c::rpmRunTransactions($trans, $callbackOpen, $callbackClose, \&installCallback, 1)) {
	die "removing of old rpms failed:\n  ", join("\n  ", @probs);
    }
    c::rpmtransFree($trans);
    c::rpmdbClose($db);
    log::l("rpm database closed");

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

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

    #- initialize l with all id, not couting base package.
    foreach my $id (0 .. $#{$packages->{depslist}}) {
	my $pkg = packageById($packages, $id) or next;
	packageSelectedOrInstalled($pkg) && !packageFlagBase($pkg) or next;
	$l{$id} = 1;
    }

    foreach my $id (keys %l) {
	#- when a package is in a choice, increase its value in hash l, because
	#- it has to be examined before when we will select them later.
	#- NB: this number may be computed before to save time.
	my $p = $packages->{depslist}[$id] or next;
	foreach (packageDepsId($p)) {
	    if (/\|/) {
		foreach (split '\|') {
		    exists $l{$_} or next;
		    $l{$_} > 1 + $l{$id} or $l{$_} = 1 + $l{$id};
		}
	    }
	}
    }

    #- at this level, we can remove selected packages that are already
    #- required by other, but we have to sort according to choice usage.
    foreach my $id (sort { $l{$b} <=> $l{$a} || $b <=> $a } keys %l) {
	#- do not count already deleted id, else cycles will be removed.
	$l{$id} or next;

	my $p = $packages->{depslist}[$id] or next;
	foreach (packageDepsId($p)) {
	    #- choices need no more to be examined, this has been done above.
	    /\|/ and next;
	    #- improve value of this one, so it will be selected before.
	    $l{$id} < $l{$_} and $l{$id} = $l{$_};
	    $l{$_} = 0;
	}
    }

    #- now sort again according to decrementing value, and gives packages name.