use perl-URPM instead of rpmtools.

1 files changed, 833 insertions, 884 deletions

diff --git a/perl-install/pkgs.pm b/perl-install/pkgs.pm
index e5905940a..932256f19 100644
--- a/perl-install/pkgs.pm
+++ b/perl-install/pkgs.pm
@@ -5,6 +5,8 @@ use strict;
 use vars qw(*LOG %preferred $limitMinTrans %compssListDesc);
 
 use MDK::Common::System;
+use URPM;
+use URPM::Resolve;
 use common;
 use install_any;
 use run_program;
@@ -16,7 +18,7 @@ use c;
 
 
 
-my @preferred = qw(perl-GTK postfix gcc gcc-cpp gcc-c++ proftpd ghostscript-X vim-minimal kernel db1 db2 ispell-en Bastille-Curses-module nautilus libxpm4);
+my @preferred = qw(perl-GTK postfix gcc gcc-cpp gcc-c++ proftpd ghostscript-X vim-minimal kernel db1 db2 ispell-en Bastille-Curses-module nautilus libxpm4 zlib1 libncurses5 hardrake);
 @preferred{@preferred} = ();
 
 #- lower bound on the left ( aka 90 means [90-100[ )
@@ -31,23 +33,23 @@ my @preferred = qw(perl-GTK postfix gcc gcc-cpp gcc-c++ proftpd ghostscript-X vi
 #- 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;
+##- 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 = (
@@ -66,62 +68,65 @@ my %ignoreBadPkg = (
 #- 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]->[$SIZE_DEPS] - ($_[0]->[$INSTALLED_CUMUL_SIZE] || 0))) }
-sub packageDepsId { split ' ', ($_[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 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]->[$SIZE_DEPS] - ($_[0]->[$INSTALLED_CUMUL_SIZE] || 0))) }
+#sub packageDepsId { split ' ', ($_[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 { my ($packages, $p) = @_; $p or die "invalid package from\n" . backtrace();
-		    $packages->{mediums}{$p->[$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]; $i++ }
-    return;
-}
+		    foreach (values %{$packages->{mediums}}) {
+			$p->id >= $_->{start} && $p->id <= $_->{end} and return $_;
+		    }
+		    return }
+
+#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 { $_[0] && ($_[0]->flag_selected || $_[0]->flag_installed) }
+
+#sub packageId {
+#    my ($packages, $pkg) = @_;
+#    my $i = 0;
+#    foreach (@{$packages->{depslist}}) { return $i if $pkg == $packages->{depslist}[$i]; $i++ }
+#    return;
+#}
 
 sub cleanHeaders {
     my ($prefix) = @_;
@@ -136,28 +141,29 @@ sub extractHeaders {
     cleanHeaders($prefix);
 
     foreach (@$pkgs) {
-	push @{$medium2pkgs{$_->[$MEDIUM]} ||= []}, $_;
+	foreach my $medium (values %$media) {
+	    $_->id >= $medium->{start} && $_->id <= $medium->{end} or next;
+	    push @{$medium2pkgs{$medium->{medium}} ||= []}, $_;
+	}
     }
 
-    foreach (values %medium2pkgs) {
-	my $medium = $media->{$_->[0][$MEDIUM]}; #- the first one is a valid package pointing to right medium to use.
+    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 { packageHeaderFile($_) } @$_);
+	    $packer->extract_archive("$prefix/tmp/headers", map { $_->header_filename } @{$medium2pkgs{$_}});
 	};
     }
 
     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($_));
+	my $f = "$prefix/tmp/headers/". $_->header_filename;
+	$_->update_header($f) or log::l("unable to open header file $f"), next;
     }
-    @$pkgs = grep { $_->[$HEADER] } @$pkgs;
 }
 
+#- TODO BEFORE TODO
 #- size and correction size functions for packages.
 my $B = 1.20873;
 my $C = 4.98663; #- doesn't take hdlist's into account as getAvailableSpace will do it.
@@ -167,8 +173,8 @@ sub invCorrectSize { ($_[0] - $C) / $B }
 sub selectedSize {
     my ($packages) = @_;
     my $size = 0;
-    foreach (values %{$packages->{names}}) {
-	packageFlagSelected($_) && !packageFlagInstalled($_) and $size += packageSize($_);
+    foreach (@{$packages->{depslist}}) {
+	$_->flag_selected and $size += $_->size;
     }
     $size;
 }
@@ -195,21 +201,44 @@ sub size2time {
 #- a list to search by id.
 sub packageByName {
     my ($packages, $name) = @_;
-    $packages->{names}{$name} or log::l("unknown package `$name'") && undef;
+    #- search package with given name and compatible with current architecture.
+    #- take the best one found (most up-to-date).
+    my @packages;
+    foreach (keys %{$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'") && undef;
 }
 sub packageById {
     my ($packages, $id) = @_;
-    my $l = $packages->{depslist}[$id]; #- do not log as id unsupported are still in depslist.
-    $l && @$l && $l;
+    my $pkg = $packages->{depslist}[$id]; #- do not log as id unsupported are still in depslist.
+    $pkg->is_arch_compat && $pkg;
 }
 sub packagesOfMedium {
     my ($packages, $medium) = @_;
-    grep { $_ && $_->[$MEDIUM] == $medium } @{$packages->{depslist}};
+    $medium->{start} <= $medium->{end} ? @{$packages->{depslist}}[$medium->{start} .. $medium->{end}] : ();
 }
 sub packagesToInstall {
     my ($packages) = @_;
-    grep { packageFlagSelected($_) && !packageFlagInstalled($_) &&
-	     packageMedium($packages, $_)->{selected} } values %{$packages->{names}};
+    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 {
@@ -221,113 +250,85 @@ sub mediumDescr {
     $packages->{mediums}{$medium}{descr};
 }
 
-#- selection, unselection of package.
-sub selectPackage { #($$;$$$)
-    my ($packages, $pkg, $base, $otherOnly, $check_recursion) = @_;
+sub packageRequest {
+    my ($packages, $pkg) = @_;
 
-    #- 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.
-    $pkg && packageMedium($packages, $pkg)->{selected} && !packageFlagInstalled($pkg) or return;
+    $pkg && ($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 };
+}
 
-    #- avoid infinite recursion (mainly against badly generated depslist.ordered).
-    $check_recursion ||= {}; exists $check_recursion->{$pkg->[$FILE]} and return; $check_recursion->{$pkg->[$FILE]} = undef;
+sub packageCallbackChoices {
+    my ($urpm, $db, $state, $choices) = @_;
+    my $prefer;
+    foreach (@$choices) {
+	exists $preferred{$_->name} and $prefer = $_;
+	$_->name =~ /kernel-\d/ and $prefer ||= $_;
+    }
+    $prefer || $choices->[0]; #- first one (for instance).
+}
 
-    #- make sure base package are set even if already selected.
-    $base and packageSetFlagBase($pkg, 1);
+#- selection, unselection of package.
+sub selectPackage {
+    my ($packages, $pkg, $base, $otherOnly) = @_;
 
     #- 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 = $dep, last;
-		    packageName($dep) =~ /kernel-\d/ and $preferred = $dep; #- hard coded preference to simple kernel
-		    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));
-	    }
+    my $state = $packages->{state} ||= {};
+    $state->{selected} = {};
+    $state->{requested} = packageRequest($packages, $pkg) or return;
+    $packages->resolve_requested($packages->{rpmdb}, $state, no_flag_update => $otherOnly, clear_state => $otherOnly,
+				 callback_choices => \&packageCallbackChoices);
+
+    if ($base || $otherOnly) {
+	foreach (keys %{$state->{selected}}) {
+	    my $p = $packages->{depslist}[$_] or next;
+	    #- if base is activated, propagate base flag to all selection.
+	    $base and $p->set_flag_base;
+	    $otherOnly and $otherOnly->{$_} = $state->{selected}{$_};
 	}
     }
-    $otherOnly and !packageFlagSelected($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;
-	    }
-	}
+    $pkg->flag_base and return;
+    $pkg->flag_selected or return;
+
+    #- try to unwind selection (requested or required) by keeping
+    #- rpmdb is right place.
+    #TODO
+    if ($otherOnly) {
+	$otherOnly->{$pkg->id} = undef;
+    } else {
+	$pkg->set_flag_requested(0);
+	$pkg->set_flag_required(0);
+
+	#- clear state.
+	my $state = $packages->{state} ||= {};
+	$state->{selected} = { $pkg->id };
+	$state->{requested} = {};
+	$packages->resolve_requested($packages->{rpmdb}, $state, clear_state => 1);
     }
     1;
 }
 sub togglePackageSelection($$;$) {
     my ($packages, $pkg, $otherOnly) = @_;
-    packageFlagSelected($pkg) ? unselectPackage($packages, $pkg, $otherOnly) : selectPackage($packages, $pkg, 0, $otherOnly);
+    $pkg->flag_selected ? unselectPackage($packages, $pkg, $otherOnly) : selectPackage($packages, $pkg, 0, $otherOnly);
 }
 sub setPackageSelection($$$) {
     my ($packages, $pkg, $value) = @_;
@@ -336,20 +337,38 @@ sub setPackageSelection($$$) {
 
 sub unselectAllPackages($) {
     my ($packages) = @_;
-    foreach (values %{$packages->{names}}) {
-	unless (packageFlagBase($_) || packageFlagUpgrade($_)) {
-	    packageSetFlagSelected($_, 0);
+    my %selected;
+    foreach (@{$packages->{depslist}}) {
+	unless ($_->flag_base || $_->flag_installed && $_->flag_selected) {
+	    #- deselect all packages except base or packages that need to be upgraded.
+	    $_->set_flag_requested(0);
+	    $_->set_flag_required(0);
+	    $selected{$_->id} = undef;
 	}
     }
+    if (%selected) {
+	my $state = $packages->{state} ||= {};
+	$state->{selected} = \%selected;
+	$state->{requested} = {};
+	$packages->resolve_requested($packages->{rpmdb}, $state, clear_state => 1);
+    }
 }
 sub unselectAllPackagesIncludingUpgradable($) {
     my ($packages, $removeUpgradeFlag) = @_;
-    foreach (values %{$packages->{names}}) {
-	unless (packageFlagBase($_)) {
-	    packageSetFlagSelected($_, 0);
-	    packageSetFlagUpgrade($_, 0);
+    my %selected;
+    foreach (@{$packages->{depslist}}) {
+	unless ($_->flag_base) {
+	    $_->set_flag_requested(0);
+	    $_->set_flag_required(0);
+	    $selected{$_->id} = undef;
 	}
     }
+    if (%selected) {
+	my $state = $packages->{state} ||= {};
+	$state->{selected} = \%selected;
+	$state->{requested} = {};
+	$packages->resolve_requested($packages->{rpmdb}, $state, clear_state => 1);
+    }
 }
 
 sub psUpdateHdlistsDeps {
@@ -396,14 +415,18 @@ sub psUpdateHdlistsDeps {
     }
 
     #- this is necessary for urpmi.
-    install_any::getAndSaveFile("Mandrake/base/$_", "$prefix/var/lib/urpmi/$_")
-      foreach qw(depslist.ordered provides rpmsrate);
+    install_any::getAndSaveFile("Mandrake/base/$_", "$prefix/var/lib/urpmi/$_") foreach qw(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 => {});
+    my $packages = new URPM;
+
+    #- add additional fields used by DrakX.
+    @{$packages}{qw(count mediums)} = (0, {});
+    $packages->{rpmdb} = URPM::DB::open($prefix);
+    $packages->{rpmdb} ||= new URPM;
 
     #- parse hdlists file.
     my $medium = 1;
@@ -415,15 +438,15 @@ sub psUsingHdlists {
 
 	#- make sure the first medium is always selected!
 	#- by default select all image.
-	psUsingHdlist($prefix, $method, \%packages, $1, $medium, $2, $3, 1);
+	psUsingHdlist($prefix, $method, $packages, $1, $medium, $2, $3, 1);
 
 	++$medium;
     }
 
-    log::l("psUsingHdlists read " . scalar keys(%{$packages{names}}) .
-	   " headers on " . scalar keys(%{$packages{mediums}}) . " hdlists");
+    log::l("psUsingHdlists read " . scalar @{$packages->{depslist}} .
+	   " headers on " . scalar keys(%{$packages->{mediums}}) . " hdlists");
 
-    \%packages;
+    $packages;
 }
 
 sub psUsingHdlist {
@@ -441,8 +464,8 @@ sub psUsingHdlist {
 					      rpmsdir    => $rpmsdir, #- where is RPMS directory.
 					      descr      => $descr,
 					      fakemedium => $fakemedium,
-					      min        => $packages->{count},
-					      max        => -1, #- will be updated after reading current hdlist.
+#					      min        => $packages->{count},
+#					      max        => -1, #- will be updated after reading current hdlist.
 					      selected   => $selected, #- default value is only CD1, it is really the minimal.
 					    };
 
@@ -455,9 +478,9 @@ sub psUsingHdlist {
     symlinkf $newf, "/tmp/$hdlist";
 
     #- if $fhdlist is defined, this is preferable not to try to find the associated synthesis.
+    my $newsf = "$prefix/var/lib/urpmi/synthesis.hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
     unless ($fhdlist) {
 	#- copy existing synthesis file too.
-	my $newsf = "$prefix/var/lib/urpmi/synthesis.hdlist.$fakemedium.cz" . ($hdlist =~ /\.cz2/ && "2");
 	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;
@@ -467,181 +490,148 @@ sub psUsingHdlist {
     #- 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;
-	    my $pkg = [ (undef) x 8 ]; $pkg->[$FILE] = $_; $pkg->[$MEDIUM] = $medium;
-	    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) {
-		    my $epo_compare = 0; #- NO EPOCH AVAILABLE TODO packageEpoch($pkg) <=> packageEpoch($old_pkg);
-		    my $ver_compare = $epo_compare == 0 && versionCompare(packageVersion($pkg), packageVersion($old_pkg));
-		    my $rel_compare = $ver_compare == 0 && versionCompare(packageRelease($pkg), packageRelease($old_pkg));
-		    if ($epo_compare > 0  || $ver_compare > 0 || $rel_compare > 0 ||
-			$epo_compare == 0 && $ver_compare == 0 && $rel_compare == 0 &&
-			MDK::Common::System::better_arch($specific_arch, packageArch($old_pkg))) {
-			log::l("replacing old package $old_pkg->[$FILE] with package $pkg->[$FILE]");
-			foreach ($FILE, $MEDIUM) { #- TODO KEEP OLD PARAMETER
-			    $old_pkg->[$_] = $pkg->[$_];
-			}
-			packageFreeHeader($old_pkg);
-			if (packageFlagInstalled($old_pkg)) {
-			    packageSetFlagInstalled($old_pkg, 0);
-			    selectPackage($packages, $old_pkg);
-			}
-			++$relocated;
-		    } else {
-			log::l("no need to replace previous package $old_pkg->[$FILE] with newer package $pkg->[$FILE]");
-			++$ignored;
-		    }
-		} else {
-		    $packages->{names}{packageName($pkg)} = $pkg;
-		    ++$packages->{count}; #- take care of this one, so that desplist will be clean with index of package.
-		}
-	    } else {
-	        log::l("ignoring package $_ with incompatible arch: $specific_arch");
-		++$ignored;
-	    }
-	}
-    };
-
-    #- update maximal index.
-    $m->{max} = $packages->{count} - 1;
-    $m->{max} >= $m->{min} || $relocated > 0 || $ignored > 0 or die "nothing found while parsing $newf";
-    $relocated > 0 and log::l("relocated $relocated headers in $hdlist");
-    $ignored > 0 and log::l("ignored $ignored headers in $hdlist");
-    log::l("read " . ($m->{max} - $m->{min} + 1) . " new headers in $hdlist");
+    #- parse synthesis (if available) of directly hdlist (with packing).
+    if (-s $newsf) {
+	($m->{start}, $m->{end}) = $packages->parse_synthesis($newsf);
+    } elsif (-s $newf) {
+	($m->{start}, $m->{end}) = $packages->parse_hdlist($newf, 1);
+    } else {
+	die "fatal: no hdlist nor synthesis to read for $fakemedium";
+    }
+    $m->{start} > $m->{end} and die "fatal: nothing read in hdlist or synthesis for $fakemedium";
+    log::l("read " . ($m->{end} - $m->{start} + 1) . " packages in $hdlist");
     $m;
 }
 
+#OBSOLETED TODO
 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}};
-	$index >= packageMedium($packages, $pkg)->{min} && $index <= packageMedium($packages, $pkg)->{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(@{$packages->{depslist}})
-      or log::l("other depslist has not same package as hdlist file");
+    return; #TODO
+#    my ($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}};
+#	$index >= packageMedium($packages, $pkg)->{min} && $index <= packageMedium($packages, $pkg)->{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");
 }
 
+#OBSOLETED TODO
 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}};
-	    $i >= packageMedium($packages, $pkg)->{min} && $i <= packageMedium($packages, $pkg)->{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 != $nb_hdlist)";
+    return; #TODO
+#    my ($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}};
+#	    $i >= packageMedium($packages, $pkg)->{min} && $i <= packageMedium($packages, $pkg)->{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)";
 }
 
+#OBSOLETED TODO
 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;
-    }
+    return; #TODO
+#    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 {
@@ -691,25 +681,24 @@ sub read_rpmsrate {
 	    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);
-
+		    my @m2 = map { if_(/locales-(.*)/, qq(LOCALES"$1")) } $p->requires_nosense;
 		    my @m3 = ((grep { !/^\d$/ } @m), @m2);
 		    if (member('INSTALL', @m3)) {
 			member('NOCOPY', @m3) or push @{$packages->{needToCopy} ||= []}, $_;
 			next; #- don't need to put INSTALL flag for a package.
 		    }
-		    if (packageRate($p)) {
-			my ($rate2, @m4) = packageRateRFlags($p);
+		    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 != $rate2)") if $rate != $rate2;
-			packageSetRateRFlags($p, $rate, "$m3[0]||$m4[0]");
+			log::l("package $_ appearing twice with different rates ($rate != ".$p->rate.")") if $rate != $p->rate;
+			$p->set_rate($rate);
+			$p->set_rflags("$m3[0]||$m4[0]");
 		    } else {
-			packageSetRateRFlags($p, $rate, @m3);
+			$p->set_rate($rate);
+			$p->set_rflags(@m3);
 		    }
 		} else {
 		    print "$_ = ", join(" && ", @m), "\n";
@@ -755,10 +744,10 @@ sub saveCompssUsers {
 	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);
+	foreach my $p (@{$packages->{depslist}}) {
+	    my @flags = $p->rflags;
+	    if ($p->rate && grep { grep { !/^!/ && $fl{$_} } split('\|\|') } @flags) {
+		$flat .= sprintf "\t%d %s\n", $p->rate, $p->name;
 	    }
 	}
     }
@@ -766,42 +755,46 @@ sub saveCompssUsers {
 }
 
 sub setSelectedFromCompssList {
-    my ($packages, $compssUsersChoice, $min_level, $max_size, $otherOnly) = @_;
+    my ($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);
+    foreach my $p (sort { $b->rate <=> $a->rate } @{$packages->{depslist}}) {
+	my @flags = $p->rflags;
 	next if 
-	  !$rate || $rate < $min_level || 
+	  !$p->rate || $p->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);
+	my $state = $packages->{state} ||= {};
+	$state->{selected} = {};
+	$state->{requested} = packageRequest($packages, $p) || {};
+
+	$packages->resolve_requested($packages->{rpmdb}, $state, no_flag_update => 1,
+				     callback_choices => \&packageCallbackChoices);
 
 	#- this enable an incremental total size.
 	my $old_nb = $nb;
-	foreach (grep { $newSelection{$_} } keys %newSelection) {
-	    $nb += packageSize($packages->{names}{$_});
+	foreach (keys %{$state->{selected}}) {
+	    my $p = $packages->{depslist}[$_] or next;
+	    $nb += $p->size;
 	}
 	if ($max_size && $nb > $max_size) {
 	    $nb = $old_nb;
-	    $min_level = packageRate($p);
+	    $min_level = $p->rate;
+	    $state->{requested} = {}; #- ensure no newer package will be selected.
+	    $packages->resolve_requested($packages->{rpmdb}, $state, clear_state => 1);
 	    last;
 	}
 
-	#- at this point the package can safely be selected.
-	if ($otherOnly) {
-	    selectPackage($packages, $p, 0, $otherOnly);
-	} else {
-	    selectPackage($packages, $p);
+	#- do the effective selection (was not done due to no_flag_update option used.
+	foreach (keys %{$state->{selected}}) {
+	    my $pkg = $packages->{depslist}[$_];
+	    $state->{selected}{$_} ? $pkg->set_flag_requested : $pkg->set_flag_required;
 	}
     }
-    unless ($otherOnly) {
-	log::l("setSelectedFromCompssList: reached size ", formatXiB($nb), ", up to indice $min_level (less than ", formatXiB($max_size), ")");
-	log::l("setSelectedFromCompssList: ", join(" ", sort map { packageName($_) } grep { packageFlagSelected($_) } @{$packages->{depslist}}));
-    }
+    log::l("setSelectedFromCompssList: reached size ", formatXiB($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;
 }
 
@@ -809,13 +802,17 @@ sub setSelectedFromCompssList {
 #- 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($_) } @l;
+    my @l = @{$packages->{depslist}};
+    my @flags = map { ($_->flag_requested && 1) + ($_->flag_required && 2) + ($_->flag_upgrade && 4) } @l;
     [ $packages, \@l, \@flags ];
 }
 sub restoreSelected {
     my ($packages, $l, $flags) = @{$_[0]};
-    mapn { packageSetFlagSelected(@_) } $l, $flags;
+    mapn { my ($pkg, $flag) = @_;
+	   $pkg->set_flag_requested($flag & 1);
+	   $pkg->set_flag_required($flag & 2);
+	   $pkg->set_flag_upgrade($flag & 4);
+       } $l, $flags;
 }
 
 sub computeGroupSize {
@@ -860,30 +857,31 @@ sub computeGroupSize {
     }
     my (%group, %memo);
 
-    foreach my $p (values %{$packages->{names}}) {
-	my ($rate, @flags) = packageRateRFlags($p);
-	next if !$rate || $rate < $min_level;
+    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));
-	$group{packageName($p)} = ($memo{$flags} ||= or_clean(@flags));
+	$group{$p->name} = ($memo{$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)));
+	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) > 80; # HACK, truncated too complicated expressions, too costly
 	    my $m = "$flags\t$s";
-	    $group{$_} = ($memo{$m} ||= or_clean(@flags, split("\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} += packageSize($packages->{names}{$k});
+	$sizes{$v} += $pkg->size;
     }
     log::l(sprintf "%s %dMB %s", $_, $sizes{$_} / sqr(1024), join(',', @{$pkgs{$_}})) foreach keys %sizes;
     \%sizes, \%pkgs;
@@ -899,19 +897,11 @@ sub init_db {
     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;
@@ -921,14 +911,14 @@ sub rebuild_db_open_for_traversal {
 	    my $rebuilddb_dir = "$prefix/var/lib/rpmrebuilddb.$$";
 	    -d $rebuilddb_dir and log::l("removing stale directory $rebuilddb_dir"), rm_rf($rebuilddb_dir);
 
-	    c::rpmdbRebuild($prefix) or log::l("rebuilding of rpm database failed: ". c::rpmErrorString()), c::_exit(2);
+	    URPM::DB::rebuild($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";
+    my $db = URPM::DB::open($prefix) or die "unable to open $prefix/var/lib/rpm/Packages";
     log::l("opened rpm database for examining existing packages");
 
     $db;
@@ -960,19 +950,6 @@ sub done_db {
     close LOG;
 }
 
-sub versionCompare($$) {
-    goto &c::rpmvercmp;
-}
-#- old code using perl version, still broken on some case.
-#-    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) = @_;
 
@@ -980,340 +957,349 @@ sub selectPackagesAlreadyInstalled {
     $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);
+    $packages->compute_installed_flags($db);
     log::l("done selecting packages to upgrade");
 }
 
+#OBSOLETED TODO
 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:$tag\n";
+    return;
+#    my ($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
+#				 local ($_) = @_;
+#				 if (my ($n,$o,$v,$r) = /^(\S*)\s*(\S*)\s*([^\s-]*)-?(\S*)/) {
+#				     my $obsoleted = 0;
+#				     my $check_obsoletes = sub {
+#					 my ($header) = @_;
+#					 (!$v || eval(versionCompare(c::headerGetEntry($header, 'version'), $v) . $o . 0)) &&
+#					   (!$r || versionCompare(c::headerGetEntry($header, 'version'), $v) != 0 ||
+#					    eval(versionCompare(c::headerGetEntry($header, 'release'), $r) . $o . 0)) or return;
+#					 ++$obsoleted;
+#				     };
+#				     c::rpmdbNameTraverse($db, $n, $check_obsoletes);
+#				     if ($obsoleted > 0) {
+#					 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|^/dev/| && $_ !~ 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|^/dev/| && $_ !~ 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|^/dev/| && $_[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);
+#    }
+}
 
-		local $_;
-		while (<INPUT>) {
-		    chomp;
-		    /^\s*$/ and last;
-		    $code->($_);
-		}
-	    };
+sub allowedToUpgrade { $_[0] !~ /^(kernel|kernel22|kernel2.2|kernel-secure|kernel-smp|kernel-linus|kernel-linus2.2|hackkernel|kernel-enterprise)$/ }
 
-	    #- 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
-				 local ($_) = @_;
-				 if (my ($n,$o,$v,$r) = /^(\S*)\s*(\S*)\s*([^\s-]*)-?(\S*)/) {
-				     my $obsoleted = 0;
-				     my $check_obsoletes = sub {
-					 my ($header) = @_;
-					 (!$v || eval(versionCompare(c::headerGetEntry($header, 'version'), $v) . $o . 0)) &&
-					   (!$r || versionCompare(c::headerGetEntry($header, 'version'), $v) != 0 ||
-					    eval(versionCompare(c::headerGetEntry($header, 'release'), $r) . $o . 0)) or return;
-					 ++$obsoleted;
-				     };
-				     c::rpmdbNameTraverse($db, $n, $check_obsoletes);
-				     if ($obsoleted > 0) {
-					 log::l("selecting " . packageName($p) . " by selection on obsoletes");
-					 $obsoletedPackages{$1} = undef;
-					 selectPackage($packages, $p);
-				     }
-				 }
-			     });
-	    }
+sub installTransactionClosure {
+    my ($packages, $id2pkg) = @_;
+    my ($id, %closure, @l);
 
-	    #- 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|^/dev/| && $_ !~ 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|^/dev/| && $_ !~ 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";
-		    }
-		}
-	    }
+    @l = sort { $a <=> $b } keys %$id2pkg;
+    while (defined($id = shift @l)) {
+	my @l2 = ($id);
 
-	    #- 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]};
-				 });
-		}
-	    }
+	while (defined($id = shift @l2)) {
+	    exists $closure{$id} and next;
+	    $closure{$id} = undef;
 
-	    #- 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|^/dev/| && $_[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");
-			    }
-			}
+	    my $pkg = $packages->{depslist}[$id];
+	    foreach ($pkg->requires_nosense) {
+		foreach (keys %{$packages->{provides}{$_} || {}}) {
+		    if ($id2pkg->{$_}) {
+			push @l2, $_;
+			last;
 		    }
 		}
 	    }
-
-	    #- 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);
+	keys %closure >= $limitMinTrans and last;
     }
 
-    #- 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);
-    }
+    map { delete $id2pkg->{$_} } grep { $id2pkg->{$_} } keys %closure;
 }
 
-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, $media) = @_;
+    my ($prefix, $isUpgrade, $toInstall, $packages) = @_;
     my %packages;
 
     return if $::g_auto_install || !scalar(@$toInstall);
@@ -1326,65 +1312,26 @@ sub install($$$;$$) {
     #- one or many transaction.
     my ($total, $nb);
     foreach my $pkg (@$toInstall) {
-	$packages{packageName($pkg)} = $pkg;
+	$packages{$pkg->id} = $pkg;
 	$nb++;
-	$total += to_int($pkg->[$SIZE_DEPS]); #- do not correct for upgrade!
+	$total += to_int($pkg->size); #- do not correct for upgrade!
     }
 
     log::l("pkgs::install $prefix");
-    log::l("pkgs::install the following: ", join(" ", keys %packages));
+    log::l("pkgs::install the following: ", join(" ", map { $_->name } values %packages));
     eval { fs::mount("/proc", "$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 $media->{$p->[$MEDIUM]}{descr}\n";
-	my $fd = install_any::getFile($f, $media->{$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, $total);
+    installCallback($packages, 'user', undef, 'install', $nb, $total);
 
-    my ($i, $min, $medium) = (0, 0, 1);
+    my $medium = 1;
     do {
-	my @transToInstall;
-
-	if (!$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 ($media->{$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.
-	}
+	my @transToInstall = installTransactionClosure($packages, \%packages);
+	$nb = values %packages;
 
 	#- added to exit typically after last media unselected.
 	if ($nb == 0 && scalar(@transToInstall) == 0) {
@@ -1395,29 +1342,29 @@ sub install($$$;$$) {
 	}
 
 	#- extract headers for parent as they are used by callback.
-	extractHeaders($prefix, \@transToInstall, $media);
+	extractHeaders($prefix, \@transToInstall, $packages->{mediums});
 
-	if ($media->{$medium}{method} eq 'cdrom') {
+	if ($packages->{mediums}{$medium}{method} eq 'cdrom') {
 	    #- extract packages to make sure the getFile below to force
 	    #- accessing medium will not be redirected to updates.
-	    my @origin = grep { $_->[$MEDIUM] == $medium } @transToInstall;
+	    my @origin = grep { packageMedium($packages, $_) == $medium } @transToInstall;
 
 	    if (@origin) {
 		#- 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($origin[0]), $media->{$origin[0][$MEDIUM]}{descr});
+		install_any::getFile($origin[0]->filename, packageMedium($packages, $origin[0])->{descr});
 
-		#- allow some log here to check selected status.
-		log::l("status for medium $origin[0][$MEDIUM] ($media->{$origin[0][$MEDIUM]}{descr}) is " .
-		       ($media->{$origin[0][$MEDIUM]}{selected} ? "selected" : "refused"));
+#		#- allow some log here to check selected status.
+#		log::l("status for medium $origin[0][$MEDIUM] ($media->{$origin[0][$MEDIUM]}{descr}) is " .
+#		       ($media->{$origin[0][$MEDIUM]}{selected} ? "selected" : "refused"));
 	    }
 	}
 	#- 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) {
+	my ($retry_pkg, $retry_count);
+	while ($retry_pkg || @transToInstall) {
 	    local (*INPUT, *OUTPUT); pipe INPUT, OUTPUT;
 	    if (my $pid = fork()) {
 		close OUTPUT;
@@ -1431,9 +1378,11 @@ sub install($$$;$$) {
 			chomp;
 			my @params = split ":";
 			if ($params[0] eq 'close') {
-			    &$callbackClose($params[1]);
+			    my $pkg = $packages->{depslist}[$params[1]];
+			    $pkg->set_flag_installed(1);
+			    $pkg->set_flag_upgrade(0);
 			} else {
-			    installCallback(@params);
+			    installCallback($packages, @params);
 			}
 		    }
 		}
@@ -1449,56 +1398,48 @@ sub install($$$;$$) {
 		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) {
+		    my $db = URPM::DB::open($prefix, 1) or die "error opening RPM database: ", c::rpmErrorString();
+		    my $trans = $db->create_transaction($prefix);
+		    if ($retry_pkg) {
 			log::l("opened rpm database for retry transaction of 1 package only");
-			c::rpmtransAddPackage($trans, $retry_package->[$HEADER], packageName($retry_package),
-					      $isUpgrade && allowedToUpgrade(packageName($retry_package)));
+			$trans->add($retry_pkg, $isUpgrade && allowedToUpgrade($retry_pkg->name));
 		    } 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;
+			log::l("opened rpm database for transaction of ". scalar @transToInstall .
+			       " new packages, still $nb after that to do");
+			$trans->add($_, $isUpgrade && allowedToUpgrade($_->name))
+			  foreach @transToInstall;
 		    }
 
-		    c::rpmdepOrder($trans) or die "error ordering package list: " . c::rpmErrorString();
-		    c::rpmtransSetScriptFd($trans, fileno LOG);
+		    $trans->order or die "error ordering package list: " . c::rpmErrorString();
+		    $trans->set_script_fd(fileno LOG);
 
 		    log::l("rpmRunTransactions start");
-		    my @probs = c::rpmRunTransactions($trans, $callbackOpen,
-						      sub { #- callbackClose
-							  my $p = $packages{$_[0]} or return;
-							  my $check_installed;
-							  c::rpmdbNameTraverse($db, packageName($p), sub {
-										   my ($header) = @_;
-										   $check_installed ||= c::headerGetEntry($header, 'version') eq packageVersion($p) && c::headerGetEntry($header, 'release') eq packageRelease($p);
-									       });
-							  $check_installed and print OUTPUT "close:$_[0]\n"; },
-						      sub { #- installCallback
-							  print OUTPUT join(":", @_), "\n"; },
-						      1);
+		    my @probs = $trans->run($packages, force => 1, nosize => 1, callback_open => sub {
+						my ($data, $type, $id) = @_;
+						my $pkg = defined $id && $data->{depslist}[$id];
+						my $f = $pkg && $pkg->filename;
+						print LOG "$f\n";
+						#my $fd = install_any::getFile($f, $media->{$p->[$MEDIUM]}{descr});
+						my $fd = install_any::getFile($f);
+						$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("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);
-		    }
+		    @probs and 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.
@@ -1524,34 +1465,35 @@ sub install($$$;$$) {
 
 	    #- if we are using a retry mode, this means we have to split the transaction with only
 	    #- one package for each real transaction.
-	    unless ($retry_package) {
+	    unless ($retry_pkg) {
 		my @badPackages;
 		foreach (@transToInstall) {
-		    if (!packageFlagInstalled($_) && $media->{$_->[$MEDIUM]}{selected} && !exists($ignoreBadPkg{packageName($_)})) {
+		    if (!$_->flag_installed && packageMedium($packages, $_)->{selected} && !exists($ignoreBadPkg{$_->name})) {
 			push @badPackages, $_;
-			log::l("bad package $_->[$FILE]");
+			log::l("bad package ".$_->fullname);
 		    } else {
-			packageFreeHeader($_);
+			$_->free_header;
 		    }
 		}
 		@transToInstall = @badPackages;
 		#- if we are in retry mode, we have to fetch only one package at a time.
-		$retry_package = shift @transToInstall;
+		$retry_pkg = shift @transToInstall;
 		$retry_count = 3;
 	    } else {
-		if (!packageFlagInstalled($retry_package) && $media->{$retry_package->[$MEDIUM]}{selected} && !exists($ignoreBadPkg{packageName($retry_package)})) {
+		if (!$retry_pkg->flag_installed && packageMedium($packages, $retry_pkg)->{selected} && !exists($ignoreBadPkg{$retry_pkg->name})) {
 		    if ($retry_count) {
-			log::l("retrying installing package $retry_package->[$FILE] alone in a transaction");
+			log::l("retrying installing package ".$retry_pkg->fullname." alone in a transaction");
 			--$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]");
+			log::l("bad package ". $retry_pkg->fullname ." unable to be installed");
+			$retry_pkg->set_flag_requested(0);
+			$retry_pkg->set_flag_required(0);
+			cdie ("error installing package list: ". $retry_pkg->fullname);
 		    }
 		}
-		if (packageFlagInstalled($retry_package) || ! packageFlagSelected($retry_package)) {
-		    packageFreeHeader($retry_package);
-		    $retry_package = shift @transToInstall;
+		if ($retry_pkg->flag_installed || !$retry_pkg->flag_selected) {
+		    $retry_pkg->free_header;
+		    $retry_pkg = shift @transToInstall;
 		    $retry_count = 3;
 		}
 	    }
@@ -1596,8 +1538,9 @@ sub remove($$) {
     #- 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 @$toRemove);
+    installCallback($db, 'user', undef, 'remove', scalar @$toRemove);
 
+    #- TODO
     if (my @probs = c::rpmRunTransactions($trans, $callbackOpen, $callbackClose, \&installCallback, 1)) {
 	die "removing of old rpms failed:\n  ", join("\n  ", @probs);
     }
@@ -1611,48 +1554,54 @@ sub remove($$) {
 
 sub selected_leaves {
     my ($packages) = @_;
-    my %l;
+    my @leaves;
 
-    #- 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 (@{$packages->{depslist}}) {
+	$_->flag_requested && !$_->flag_base and push @leaves, $_->name;
     }
-
-    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.
-    [ map { packageName($packages->{depslist}[$_]) } sort { $l{$b} <=> $l{$a} } grep { $l{$_} > 0 } keys %l ];
+#    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) && !$pkg->flag_base 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.
+#    [ map { packageName($packages->{depslist}[$_]) } sort { $l{$b} <=> $l{$a} } grep { $l{$_} > 0 } keys %l ];
+    \@leaves;
 }
 
 
@@ -1723,7 +1672,7 @@ ucd-snmp
 
     grep {
 	my $p = packageByName($packages, $_);
-	$p && packageFlagSelected($p);
+	$p && $p->flag_selected;
     } @naughtyServers;
 }