Moved the tree accordingly

1 files changed, 1085 insertions, 0 deletions

diff --git a/lib/ManaTools/Rpmdragora/pkg.pm b/lib/ManaTools/Rpmdragora/pkg.pm
new file mode 100644
index 0000000..ba0b18b
--- /dev/null
+++ b/lib/ManaTools/Rpmdragora/pkg.pm
@@ -0,0 +1,1085 @@
+# vim: set et ts=4 sw=4:
+package ManaTools::Rpmdragora::pkg;
+#*****************************************************************************
+#
+#  Copyright (c) 2002 Guillaume Cottenceau
+#  Copyright (c) 2002-2007 Thierry Vignaud <tvignaud@mandriva.com>
+#  Copyright (c) 2003, 2004, 2005 MandrakeSoft SA
+#  Copyright (c) 2005-2007 Mandriva SA
+#  Copyright (c) 2012-2015 Matteo Pasotti <matteo.pasotti@gmail.com>
+#  Copyright (c) 2014-2015 Angelo Naselli <anaselli@linux.it>
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#*****************************************************************************
+#
+# $Id: pkg.pm 270160 2010-06-22 19:55:40Z jvictor $
+
+use strict;
+use Sys::Syslog;
+
+use MDK::Common::Func;  #qw(before_leaving any);
+use MDK::Common::DataStructure; # qw (uniq difference2 member add2hash put_in_hash);
+use MDK::Common::System qw(arch);
+use MDK::Common::File; # qw(cat_);
+use MDK::Common::Various qw(chomp_);
+
+use POSIX qw(_exit ceil);
+use URPM;
+use utf8;
+use ManaTools::rpmdragora;
+use ManaTools::Rpmdragora::open_db;
+use ManaTools::Rpmdragora::gurpm;
+use ManaTools::Rpmdragora::formatting;
+use ManaTools::Rpmdragora::rpmnew;
+use ManaTools::Shared::RunProgram qw(run get_stdout);
+use ManaTools::rpmdragora;
+use urpm;
+use urpm::lock;
+use urpm::install;
+use urpm::signature;
+use urpm::get_pkgs;
+use urpm::select;
+use urpm::main_loop;
+use urpm::args qw();
+use urpm::util;
+use Carp;
+
+my $loc = ManaTools::rpmdragora::locale();
+
+use Exporter;
+our @ISA = qw(Exporter);
+our @EXPORT = qw(
+                    $priority_up_alread_warned
+                    download_callback
+                    extract_header
+                    find_installed_version
+                    get_pkgs
+                    perform_installation
+                    perform_removal
+                    run_rpm
+                    sort_packages
+                    );
+
+our $priority_up_alread_warned;
+
+sub sort_packages_biarch {
+    sort {
+        my ($na, $aa) = $a =~ /^(.*-[^-]+-[^-]+)\.([^.-]+)$/;
+        my ($nb, $ab) = $b =~ /^(.*-[^-]+-[^-]+)\.([^.-]+)$/;
+        !defined($na) ?
+            (!defined($nb) ? 0 : 1) :
+            (!defined($nb) ? -1 : $na cmp $nb || ($ab =~ /64$/) <=> ($aa =~ /64$/));
+    } @_;
+}
+
+sub sort_packages_monoarch {
+    sort { uc($a) cmp uc($b) } @_;
+}
+
+*sort_packages = MDK::Common::System::arch() =~ /x86_64/ ? \&sort_packages_biarch : \&sort_packages_monoarch;
+
+sub run_rpm {
+    foreach (qw(LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT LC_IDENTIFICATION LC_ALL)) {
+        local $ENV{$_} = $ENV{$_} . '.UTF-8' if $ENV{$_} && $ENV{$_} !~ /UTF-8/;
+    }
+    my @l = map { ensure_utf8($_); $_ } ManaTools::Shared::RunProgram::get_stdout(@_);
+    wantarray() ? @l : join('', @l);
+}
+
+
+sub extract_header {
+    my ($pkg, $urpm, $xml_info, $o_installed_version) = @_;
+    my %fields = (
+        info      => 'description',
+        files     => 'files',
+        changelog => 'changelog',
+    );
+    # already extracted:
+    return if $pkg->{$fields{$xml_info}};
+
+    my $p = $pkg->{pkg};
+
+    if (!$p) {
+        warn ">> ghost package '$pkg' has no URPM object!!!\n";
+        return;
+    }
+
+    my $name = $p->fullname;
+    # fix extracting info for SRPMS and RPM GPG keys:
+    $name =~ s!\.src!!;
+
+    if ($p->flag_installed && !$p->flag_upgrade) {
+        my @files = map { MDK::Common::Various::chomp_($_) } run_rpm("rpm -ql $name");
+        MDK::Common::DataStructure::add2hash($pkg, { files => [ @files ? @files : $loc->N("(none)") ],
+            description => rpm_description(scalar(run_rpm("rpm -q --qf '%{description}' $name"))),
+                 changelog => format_changelog_string($o_installed_version, scalar(run_rpm("rpm -q --changelog $name"))) });
+    } else {
+        my $medium = pkg2medium($p, $urpm);
+        my ($local_source, %xml_info_pkgs, $bar_id);
+        my $_statusbar_clean_guard = MDK::Common::Func::before_leaving { $bar_id and statusbar_msg_remove($bar_id) };
+        my $dir = urpm::file_from_local_url($medium->{url});
+
+        print "p->filename: ". $p->filename."\n";
+        $local_source = "$dir/" . $p->filename if $dir;
+        print "local_source: " . ($local_source ? $local_source : "") . "\n";
+
+        if ($local_source && -e $local_source) {
+            $bar_id = statusbar_msg($loc->N("Getting information from %s...", $dir), 0);
+            $urpm->{log}("getting information from rpms from $dir");
+        } else {
+            my $gurpm;
+            $bar_id = statusbar_msg($loc->N("Getting '%s' from XML meta-data...", $xml_info), 0);
+            my $_gurpm_clean_guard = MDK::Common::Func::before_leaving { undef $gurpm };
+            if (my $xml_info_file = eval { urpm::media::any_xml_info($urpm, $medium, $xml_info, undef, sub {
+                $gurpm ||= ManaTools::Rpmdragora::gurpm->new(
+                    text => $loc->N("Please wait"),
+                );
+                download_callback($gurpm, @_)
+                or goto header_non_available;
+            }) }) {
+                require urpm::xml_info;
+                require urpm::xml_info_pkg;
+                $urpm->{log}("getting information from $xml_info_file");
+                my %nodes = eval { urpm::xml_info::get_nodes($xml_info, $xml_info_file, [ $name ]) };
+                goto header_non_available if $@;
+                MDK::Common::DataStructure::put_in_hash($xml_info_pkgs{$name} ||= {}, $nodes{$name});
+            } else {
+                if ($xml_info eq 'info') {
+                    $urpm->{info}($loc->N("No xml info for medium \"%s\", only partial result for package %s", $medium->{name}, $name));
+                } else {
+                    $urpm->{error}($loc->N("No xml info for medium \"%s\", unable to return any result for package %s", $medium->{name}, $name));
+                }
+            }
+        }
+
+        #- even if non-root, search for a header in the global cachedir
+        if ($local_source && -s $local_source) {
+            $p->update_header($local_source) or do {
+                warn "Warning, could not extract header for $name from $medium!";
+                goto header_non_available;
+            };
+            my @files = $p->files;
+            @files = $loc->N("(none)") if !@files;
+            MDK::Common::DataStructure::add2hash($pkg, { description => rpm_description($p->description),
+                files => \@files,
+                url => $p->url,
+                changelog => format_changelog_changelogs($o_installed_version, $p->changelogs) });
+            $p->pack_header; # needed in order to call methods on objects outside ->traverse
+        } elsif ($xml_info_pkgs{$name}) {
+            if ($xml_info eq 'info') {
+                MDK::Common::DataStructure::add2hash($pkg, { description => rpm_description($xml_info_pkgs{$name}{description}),
+                         url => $xml_info_pkgs{$name}{url}
+                });
+            } elsif ($xml_info eq 'files') {
+                my @files = map { MDK::Common::Various::chomp_($loc->to_utf8($_)) } split("\n", $xml_info_pkgs{$name}{files});
+                MDK::Common::DataStructure::add2hash($pkg, { files => scalar(@files) ? \@files : [ $loc->N("(none)") ] });
+            } elsif ($xml_info eq 'changelog') {
+                MDK::Common::DataStructure::add2hash($pkg, {
+                    changelog => format_changelog_changelogs($o_installed_version,
+                                                             @{$xml_info_pkgs{$name}{changelogs}})
+                });
+            }
+        } else {
+            goto header_non_available;
+        }
+        return;
+        header_non_available:
+        MDK::Common::DataStructure::add2hash($pkg, { summary => $p->summary || $loc->N("(Not available)"), description => undef });
+    }
+}
+
+sub find_installed_version {
+    my ($p) = @_;
+
+    my $version = $loc->N("(none)");
+    open_rpm_db()->traverse_tag_find('name', $p->name, sub { $version = $_[0]->EVR; return ($version ? 1 : 0) }) if $p;
+    return $version;
+}
+
+my $canceled;
+sub download_callback {
+    my ($gurpm, $mode, $file, $percent, $total, $eta, $speed) = @_;
+    $canceled = 0;
+
+    if ($mode eq 'start') {
+        $gurpm->label($loc->N("Downloading package `%s'...", urpm::util::basename($file)));
+#         $gurpm->validate_cancel(but($loc->N("Cancel")), sub { $canceled = 1 });
+    } elsif ($mode eq 'progress') {
+        $gurpm->label(
+            join("\n",
+                 $loc->N("Downloading package `%s'...", urpm::util::basename($file)),
+                 (defined $total && defined $eta ?
+                    $loc->N("        %s%% of %s completed, ETA = %s, speed = %s", $percent, $total, $eta, $speed)
+                      : $loc->N("        %s%% completed, speed = %s", $percent, $speed)
+                  ) =~ /^\s*(.*)/
+              ),
+        );
+	#$gurpm->progress($percenti/100);
+        $gurpm->progress(ceil($percent));
+    } elsif ($mode eq 'end') {
+        $gurpm->progress(100);
+#         $gurpm->invalidate_cancel;
+    }
+    !$canceled;
+}
+
+
+# -=-=-=---=-=-=---=-=-=-- install packages -=-=-=---=-=-=---=-=-=-
+
+my (@update_medias, $is_update_media_already_asked);
+
+sub warn_about_media {
+    my ($w, %options) = @_;
+
+    return 0 if $::MODE ne 'update';
+    return 0 if $::rpmdragora_options{'no-media-update'};
+
+    # we use our own instance of the urpmi db in order not to mess up with skip-list managment (#31092):
+    # and no need to fully configure urpmi since we may have to do it again anyway because of new media:
+    my $urpm = fast_open_urpmi_db();
+
+    my $_lock = urpm::lock::urpmi_db($urpm, undef, wait => $urpm->{options}{wait_lock});
+
+    # build media list:
+    @update_medias = get_update_medias($urpm);
+
+    # do not update again media after installing/removing some packages:
+    $::rpmdragora_options{'no-media-update'} ||= 1;
+
+    if (@update_medias > 0) {
+        if (!$options{skip_updating_mu} && !$is_update_media_already_asked) {
+            $is_update_media_already_asked = 1;
+            if (!$::rpmdragora_options{'no-confirmation'}) {
+                my $choice = interactive_msg($loc->N("Confirmation"),
+                                $loc->N("I need to contact the mirror to get latest update packages.
+Please check that your network is currently running.
+
+Is it ok to continue?"
+                                ), yesno => 1, dont_ask_again => 1,
+# TODO                   widget =>  gtknew('CheckButton', text => $loc->N("Do not ask me next time"),
+#                                      active_ref => \$::rpmdragora_options{'no-confirmation'}
+#                                  )
+               );
+               $::rpmdragora_options{'no-confirmation'} = $choice->{dont_ask_again};
+               return(-1) if !$choice->{value};
+            }
+            writeconf();
+            urpm::media::select_media($urpm, map { $_->{name} } @update_medias);
+            update_sources($urpm, noclean => 1, medialist => [ map { $_->{name} } @update_medias ]);
+        }
+    } else {
+        if (MDK::Common::Func::any { $_->{update} } @{$urpm->{media}}) {
+            interactive_msg($loc->N("Already existing update media"),
+$loc->N("You already have at least one update medium configured, but
+all of them are currently disabled. You should run the Software
+Media Manager to enable at least one (check it in the \"%s\"
+column).
+
+Then, restart \"%s\".", $loc->N("Enabled"), $ManaTools::rpmdragora::myname_update));
+            return (-1);
+        }
+        my ($mirror) = choose_mirror($urpm, transient => $w->{real_window} || $::main_window,
+                                       message => join("\n\n",
+                                                       $loc->N("You have no configured update media. MageiaUpdate cannot operate without any update media."),
+                                                       $loc->N("I need to contact the Mageia website to get the mirror list.
+Please check that your network is currently running.
+
+Is it ok to continue?"),
+                                                         ),
+                                   );
+        my $m = ref($mirror) ? $mirror->{url} : '';
+        $m or interactive_msg($loc->N("How to choose manually your mirror"),
+$loc->N("You may also choose your desired mirror manually: to do so,
+launch the Software Media Manager, and then add a `Security
+updates' medium.
+
+Then, restart %s.", $ManaTools::rpmdragora::myname_update)), return (-1);
+        add_distrib_update_media($urpm, $mirror, only_updates => 0);
+    }
+    return 0;
+}
+
+
+sub get_parallel_group() {
+    $::rpmdragora_options{parallel} ? $::rpmdragora_options{parallel}[0] : undef;
+}
+
+my ($count, $level, $limit, $new_stage, $prev_stage, $total);
+
+sub init_progress_bar {
+    my ($urpm) = @_;
+    undef $_ foreach $count, $prev_stage, $new_stage, $limit;
+    $level = 5;
+    $total = @{$urpm->{depslist}};
+}
+
+sub reset_pbar_count {
+    undef $prev_stage;
+    $count = 0;
+    $limit = $_[0];
+}
+
+sub update_pbar {
+    my ($gurpm) = @_;
+    return if !$total;          # don't die if there's no source
+    $count++;
+    $new_stage = $level+($limit-$level)*$count/$total;
+    $prev_stage = 0 if(!defined($prev_stage));
+    if ($prev_stage + 1 < $new_stage) {
+        $prev_stage = $new_stage;
+        $gurpm->progress(ceil($new_stage));
+    }
+}
+
+
+sub get_installed_packages {
+    my ($urpm, $db, $all_pkgs, $gurpm) = @_;
+
+    $urpm->{global_config}{'prohibit-remove'} = '' if(!defined($urpm->{global_config}{'prohibit-remove'}));
+    my @base = ("basesystem", split /,\s*/, $urpm->{global_config}{'prohibit-remove'});
+    my (%base, %basepackages, @installed_pkgs, @processed_base);
+    reset_pbar_count(33);
+    while (defined(local $_ = shift @base)) {
+	exists $basepackages{$_} and next;
+	$db->traverse_tag(m|^/| ? 'path' : 'whatprovides', [ $_ ], sub {
+			      update_pbar($gurpm);
+			      my $name = $_[0]->fullname;
+			      # workaround looping in URPM:
+			      return if MDK::Common::DataStructure::member($name, @processed_base);
+			      push @processed_base, $name;
+			      push @{$basepackages{$_}}, $name;
+			      push @base, $_[0]->requires_nosense;
+			  });
+    }
+    foreach (values %basepackages) {
+	my $n = @$_;            #- count number of times it's provided
+	foreach (@$_) {
+	    $base{$_} = \$n;
+	}
+    }
+    # costly:
+    $db->traverse(sub {
+                      my ($pkg) = @_;
+                      update_pbar($gurpm);
+                      my $fullname = urpm_name($pkg);
+                      return if $fullname =~ /@/;
+                      $all_pkgs->{$fullname} = {
+                          pkg => $pkg, urpm_name => $fullname,
+                      } if !($all_pkgs->{$fullname} && $all_pkgs->{$fullname}{description});
+                      if (my $name = $base{$fullname}) {
+                          $all_pkgs->{$fullname}{base} = \$name;
+                          $pkg->set_flag_base(1) if $$name == 1;
+                      }
+                      push @installed_pkgs, $fullname;
+                      $pkg->set_flag_installed;
+                      $pkg->pack_header; # needed in order to call methods on objects outside ->traverse
+                  });
+    @installed_pkgs;
+}
+
+urpm::select::add_packages_to_priority_upgrade_list('rpmdragora', 'perl-Glib', 'perl-Gtk2');
+
+my ($priority_state, $priority_requested);
+our $need_restart;
+
+our $probe_only_for_updates;
+
+sub get_updates_list {
+    my ($urpm, $db, $state, $requested, $requested_list, $requested_strict, $all_pkgs, %limit_preselect) = @_;
+
+    $urpm->request_packages_to_upgrade(
+	$db,
+	$state,
+	$requested,
+	%limit_preselect
+    );
+
+    my %common_opts = (
+        callback_choices => \&ManaTools::Rpmdragora::gui::callback_choices,
+        priority_upgrade => $urpm->{options}{'priority-upgrade'},
+    );
+
+    if ($urpm->{options}{'priority-upgrade'}) {
+        $need_restart =
+          urpm::select::resolve_priority_upgrades_after_auto_select($urpm, $db, $state,
+                                                                    $requested, %common_opts);
+    }
+
+    # list of updates (including those matching /etc/urpmi/skip.list):
+    @$requested_list = sort map {
+	my $name = urpm_name($_);
+        $all_pkgs->{$name} = { pkg => $_ };
+	$name;
+    } @{$urpm->{depslist}}[keys %$requested];
+
+    # list of pure updates (w/o those matching /etc/urpmi/skip.list but with their deps):
+    if ($probe_only_for_updates && !$need_restart) {
+        @$requested_strict = sort map {
+            urpm_name($_);
+        } $urpm->resolve_requested($db, $state, $requested, callback_choices => \&ManaTools::Rpmdragora::gui::callback_choices);
+
+        if (my @l = grep { $state->{selected}{$_->id} }
+              urpm::select::_priority_upgrade_pkgs($urpm, $urpm->{options}{'priority-upgrade'})) {
+            if (!$need_restart) {
+                $need_restart =
+                  urpm::select::_resolve_priority_upgrades($urpm, $db, $state, $state->{selected},
+                                                           \@l, %common_opts);
+            }
+        }
+    }
+
+    if ($need_restart) {
+        $requested_strict = [ map { scalar $_->fullname } @{$urpm->{depslist}}[keys %{$state->{selected}}] ];
+        # drop non priority updates:
+        @$requested_list = ();
+    }
+
+    # list updates including skiped ones + their deps in MageiaUpdate:
+    @$requested_list = MDK::Common::DataStructure::uniq(@$requested_list, @$requested_strict);
+
+    # do not pre select updates in rpmdragora:
+    @$requested_strict = () if !$probe_only_for_updates;
+}
+
+sub get_pkgs {
+    my (%options) = @_;
+    my $w = $::main_window;
+
+    myexit (-1) if (warn_about_media($w, %options) == -1);
+
+    my $gurpm = ManaTools::Rpmdragora::gurpm->new(
+        text => $loc->N("Please wait"),
+    );
+    my $_gurpm_clean_guard = MDK::Common::Func::before_leaving { undef $gurpm };
+
+    my $urpm = open_urpmi_db(update => $probe_only_for_updates && !is_it_a_devel_distro());
+
+    my $_drop_lock = MDK::Common::Func::before_leaving { undef $urpm->{lock} };
+
+    $priority_up_alread_warned = 0;
+
+    # update media list in case warn_about_media() added some:
+    @update_medias = get_update_medias($urpm);
+
+    $gurpm->label($loc->N("Reading updates description"));
+	#- parse the description file
+    my $update_descr = urpm::get_updates_description($urpm, @update_medias);
+    $gurpm->progress(100);
+
+    my $_unused = $loc->N("Please wait, finding available packages...");
+
+#     # find out installed packages:
+
+    init_progress_bar($urpm);
+
+    $gurpm->label($loc->N("Please wait, listing base packages..."));
+    $gurpm->progress(ceil($level));
+
+    my $db = eval { open_rpm_db() };
+    if (my $err = $@) {
+	interactive_msg($loc->N("Error"), $loc->N("A fatal error occurred: %s.", $err));
+        return;
+    }
+
+    my $sig_handler = sub { undef $db; exit 3 };
+    local $SIG{INT} = $sig_handler;
+    local $SIG{QUIT} = $sig_handler;
+
+    $gurpm->label($loc->N("Please wait, finding installed packages..."));
+    $level = 33;
+    $gurpm->progress(ceil($level));
+    reset_pbar_count(66);
+    my (@installed_pkgs, %all_pkgs);
+    if (!$probe_only_for_updates) {
+        @installed_pkgs = get_installed_packages($urpm, $db, \%all_pkgs, $gurpm);
+    }
+
+    if (my $group = get_parallel_group()) {
+        urpm::media::configure($urpm, parallel => $group);
+    }
+
+    # find out availlable packages:
+
+    $urpm->{state} = {};
+
+    $gurpm->label($loc->N("Please wait, finding available packages..."));
+    $level = 66;
+    $gurpm->progress(ceil($level));
+
+    check_update_media_version($urpm, @update_medias);
+
+    my $requested = {};
+    my $state = {};
+    my (@requested, @requested_strict);
+
+    if ($compute_updates->[0] || $::MODE eq 'update') {
+        my %filter;
+        if ($options{pure_updates}) {
+            # limit to packages from update-media (dependencies can still come from other media)
+            %filter = (idlist => [ map { $_->{start} .. $_->{end} } @update_medias ]);
+        }
+        get_updates_list($urpm, $db, $state, $requested, \@requested, \@requested_strict, \%all_pkgs, %filter);
+    }
+
+    if ($need_restart) {
+        $priority_state = $state;
+        $priority_requested = $requested;
+    } else {
+        ($priority_state, $priority_requested) = ();
+    }
+
+    if (!$probe_only_for_updates) {
+        $urpm->compute_installed_flags($db); # TODO/FIXME: not for updates
+        $urpm->{depslist}[$_]->set_flag_installed foreach keys %$requested; #- pretend it's installed
+    }
+    $urpm->{rpmdragora_state} = $state; #- Don't forget it
+    $level = 70;
+    $gurpm->progress(ceil($level));
+
+    my %l;
+    reset_pbar_count(100);
+    foreach my $pkg (@{$urpm->{depslist}}) {
+        update_pbar($gurpm);
+        $pkg->flag_upgrade or next;
+        my $key = $pkg->name . $pkg->arch;
+        $l{$key} = $pkg if !$l{$key} || $l{$key}->compare_pkg($pkg);
+    }
+    my @installable_pkgs = map { my $n = $_->fullname; $all_pkgs{$n} = { pkg => $_ }; $n } values %l;
+    undef %l;
+
+    my @inactive_backports;
+    my @active_backports;
+    my @backport_medias = get_backport_media($urpm);
+
+    foreach my $medium (@backport_medias) {
+        update_pbar($gurpm);
+
+        # The 'searchmedia' flag differentiates inactive backport medias
+        # (because that option was passed to urpm::media::configure to
+        # temporarily enable them)
+
+        my $backports =
+            $medium->{searchmedia} ? \@inactive_backports : \@active_backports;
+        if (defined($medium->{start}) || defined($medium->{end})) {
+            foreach my $pkg_id ($medium->{start} .. $medium->{end}) {
+                next if !$pkg_id;
+                my $pkg = $urpm->{depslist}[$pkg_id];
+                $pkg->flag_upgrade or next;
+                my $name = $pkg->fullname;
+                push @$backports, $name;
+                $all_pkgs{$name} = { pkg => $pkg, is_backport => 1 };
+            }
+        }
+    }
+    my @updates = @requested;
+    # selecting updates by default but skipped ones (MageiaUpdate only):
+    foreach (@requested_strict) {
+        $all_pkgs{$_}{selected} = 1;
+    }
+
+    # urpmi only care about the first medium where it found the package,
+    # so there's no need to list the same package several time:
+    @installable_pkgs = MDK::Common::DataStructure::uniq(MDK::Common::DataStructure::difference2(\@installable_pkgs, \@updates));
+
+    my @meta_pkgs = grep { /^task-|^basesystem/ } keys %all_pkgs;
+
+    my @gui_pkgs = map { chomp; $_ } MDK::Common::File::cat_('/usr/share/rpmdrake/gui.lst');
+    # add meta packages to GUI packages list (which expect basic names not fullnames):
+    push @gui_pkgs, map { (split_fullname($_))[0] } @meta_pkgs;
+
+    +{ urpm => $urpm,
+       all_pkgs => \%all_pkgs,
+       installed => \@installed_pkgs,
+       installable => \@installable_pkgs,
+       updates => \@updates,
+       meta_pkgs => \@meta_pkgs,
+       gui_pkgs => [ grep { my $p = $all_pkgs{$_}{pkg}; $p && MDK::Common::DataStructure::member(($p->fullname)[0], @gui_pkgs) } keys %all_pkgs ],
+       update_descr => $update_descr,
+       backports => [ @inactive_backports, @active_backports ],
+       inactive_backports => \@inactive_backports
+   };
+}
+
+sub _display_READMEs_if_needed {
+    my $urpm = shift;
+    return if !$urpm->{readmes};
+
+    my %Readmes = %{$urpm->{readmes}};
+    return if ! scalar keys %Readmes;
+
+    my $appTitle = yui::YUI::app()->applicationTitle();
+
+    ## set new title to get it in dialog
+    yui::YUI::app()->setApplicationTitle($loc->N("Upgrade information"));
+    my $factory      = yui::YUI::widgetFactory;
+
+    ## | [msg-label]                      |
+    ## |                                  |
+    ## | pkg-list                         |
+    ## |                                  |
+    ## | info on selected pkg             |(1)
+    ## |                                  |
+    ## |             [ok]                 |
+    ####
+    # (1) info on pkg list:
+    #  selected package readmi.urpmi
+
+    my $dialog       = $factory->createPopupDialog;
+    my $vbox         = $factory->createVBox( $dialog );
+    my $msgBox       = $factory->createLabel($vbox, $loc->N("These packages come with upgrade information"), 1);
+    my $tree         = $factory->createTree($vbox, $loc->N("Select a package"));
+                       $factory->createVSpacing($vbox, 1);
+    my $infoBox      = $factory->createRichText($vbox, "", 0);
+                       $tree->setWeight($yui::YD_HORIZ, 2);
+                       $infoBox->setWeight($yui::YD_HORIZ, 4);
+                       $tree->setWeight($yui::YD_VERT,  10);
+                       $infoBox->setWeight($yui::YD_VERT,  10);
+                       $factory->createVSpacing($vbox, 1);
+    my $hbox         = $factory->createHBox( $vbox );
+    my $align        = $factory->createHCenter($hbox);
+    my $okButton     = $factory->createPushButton($align,  $loc->N("&Ok"));
+                       $okButton->setDefaultButton(1);
+
+    # adding packages to the list
+    my $itemColl = new yui::YItemCollection;
+    foreach my $f (sort keys %Readmes) {
+        my $item  = new yui::YTreeItem ("$Readmes{$f}");
+        my $child = new yui::YTreeItem ($item, "$f");
+        $child->DISOWN();
+        $itemColl->push($item);
+        $item->DISOWN();
+    }
+    $tree->addItems($itemColl);
+    $tree->setImmediateMode(1);
+
+    while(1) {
+        my $event     = $dialog->waitForEvent();
+        my $eventType = $event->eventType();
+
+        #event type checking
+        if ($eventType == $yui::YEvent::CancelEvent) {
+            last;
+        }
+        elsif ($eventType == $yui::YEvent::WidgetEvent) {
+            ### widget
+            my $widget = $event->widget();
+            if ($widget == $tree) {
+                my $content = "";
+                my $item = $tree->selectedItem();
+                if ($item && !$item->hasChildren()) {
+                    my $filename = $tree->currentItem()->label();
+                    $content = scalar MDK::Common::File::cat_($filename);
+                    $content = $loc->N("(none)") if !$content; # should not happen
+                    ensure_utf8($content);
+                    $content =~ s/\n/<br>/g;
+                }
+                $infoBox->setValue($content);
+            }
+            elsif ($widget == $okButton) {
+                last;
+            }
+        }
+    }
+
+    destroy $dialog;
+
+    # restore original title
+    yui::YUI::app()->setApplicationTitle($appTitle) if $appTitle;
+
+    return;
+}
+
+sub perform_parallel_install {
+    my ($urpm, $group, $w, $statusbar_msg_id) = @_;
+    my @pkgs = map { MDK::Common::Func::if_($_->flag_requested, urpm_name($_)) } @{$urpm->{depslist}};
+
+    my @error_msgs;
+    my $res = !ManaTools::Shared::RunProgram::run('urpmi', '2>', \@error_msgs, '-v', '--X', '--parallel', $group, @pkgs);
+
+    if ($res) {
+        $$statusbar_msg_id = statusbar_msg(
+            #$loc->N("Everything installed successfully"),
+            $loc->N("All requested packages were installed successfully."),
+        );
+    } else {
+        interactive_msg(
+            $loc->N("Problem during installation"),
+            $loc->N("There was a problem during the installation:\n\n%s", join("\n", @error_msgs)),
+            scroll => 1,
+        );
+    }
+    open_rpm_db('force_sync');
+    $w->set_sensitive(1);
+    return 0;
+}
+
+sub perform_installation {  #- (partially) duplicated from /usr/sbin/urpmi :-(
+    my ($urpm, $pkgs) = @_;
+
+    my @error_msgs;
+    my $statusbar_msg_id;
+    my $gurpm;
+    local $urpm->{fatal} = sub {
+        my $fatal_msg = $_[1];
+        printf STDERR "Fatal: %s\n", $fatal_msg;
+        undef $gurpm;
+        interactive_msg($loc->N("Installation failed"),
+                        $loc->N("There was a problem during the installation:\n\n%s", $fatal_msg));
+        goto return_with_exit_code;
+    };
+    local $urpm->{error} = sub { printf STDERR "Error: %s\n", $_[0]; push @error_msgs, $_[0] };
+
+    my $w = $::main_window;
+    #$w->set_sensitive(0);
+    #my $_restore_sensitive = MDK::Common::Func::before_leaving { $w->set_sensitive(1) };
+
+    # my $_flush_guard = Gtk2::GUI_Update_Guard->new;
+
+    if (my $group = get_parallel_group()) {
+        return perform_parallel_install($urpm, $group, $w, \$statusbar_msg_id);
+    }
+
+    my ($lock, $rpm_lock);
+    if (!$::env) {
+        $lock = urpm::lock::urpmi_db($urpm, undef, wait => $urpm->{options}{wait_lock});
+        $rpm_lock = urpm::lock::rpm_db($urpm, 'exclusive');
+    }
+    my $state = $priority_state || $probe_only_for_updates ? { } : $urpm->{rpmdragora_state};
+
+    my $bar_id = statusbar_msg($loc->N("Checking validity of requested packages..."), 0);
+
+    # FIXME: THIS SET flag_requested on all packages!!!!
+    # select packages to install / enssure selected pkg set is consistant:
+    my %saved_flags;
+    my $requested = { map {
+        $saved_flags{$_->id} = $_->flag_requested;
+        $_->id => undef;
+    } grep { $_->flag_selected } @{$urpm->{depslist}} };
+    urpm::select::resolve_dependencies(
+        $urpm, $state, $requested,
+        rpmdb => $::env && "$::env/rpmdb.cz",
+        callback_choices => \&ManaTools::Rpmdragora::gui::callback_choices,
+    );
+    statusbar_msg_remove($bar_id);
+
+    my ($local_sources, $blist) = urpm::get_pkgs::selected2local_and_blists($urpm, $state->{selected});
+    if (!$local_sources && (!$blist || !@$blist)) {
+        interactive_msg(
+	    $loc->N("Unable to get source packages."),
+	    $loc->N("Unable to get source packages, sorry. %s",
+		@error_msgs ? $loc->N("\n\nError(s) reported:\n%s", join("\n", @error_msgs)) : ''),
+	    scroll => 1,
+	);
+        goto return_with_exit_code;
+    }
+
+    my @to_install = @{$urpm->{depslist}}[keys %{$state->{selected}}];
+    my @pkgs = map { scalar($_->fullname) } sort(grep { $_->flag_selected } @to_install);
+
+    @{$urpm->{ask_remove}} = sort(urpm::select::removed_packages($urpm->{state}));
+    my @to_remove = map { MDK::Common::Func::if_($pkgs->{$_}{selected} && !$pkgs->{$_}{pkg}->flag_upgrade, $pkgs->{$_}{urpm_name}) } keys %$pkgs;
+
+    my $r = format_list(map { scalar(urpm::select::translate_why_removed_one($urpm, $urpm->{state}, $_)) } @to_remove);
+
+    my ($size, $filesize) = $urpm->selected_size_filesize($state);
+    my $install_count = int(@pkgs);
+    my $to_install = $install_count == 0 ? '' :
+      ($priority_state ? '<b>' . $loc->N("Rpmdragora or one of its priority dependencies needs to be updated first. Rpmdragora will then restart.") . '</b>' . "\n\n" : '') .
+      ($loc->P("The following package is going to be installed:", "The following %d packages are going to be installed:", $install_count, $install_count)
+      . "\n\n" . format_list(map { s!.*/!!; $_ } @pkgs));
+    my $remove_count =  scalar(@to_remove);
+    interactive_msg(($to_install ? $loc->N("Confirmation") : $loc->N("Some packages need to be removed")),
+                    join("\n\n",
+                     ($r ?
+                        (!$to_install ? ($loc->P("Remove one package?", "Remove %d packages?", $remove_count, $remove_count), $r) :
+ (($remove_count == 1 ?
+ $loc->N("The following package has to be removed for others to be upgraded:")
+   : $loc->N("The following packages have to be removed for others to be upgraded:")), $r), MDK::Common::Func::if_($to_install, $to_install))
+                          : $to_install),
+                         format_size($size),
+                         format_filesize($filesize),
+                         $loc->N("Is it ok to continue?")),
+                     scroll => 1,
+                     yesno => 1, min_size => {lines => 18},) or return 1;
+
+    my $_umount_guard = MDK::Common::Func::before_leaving { urpm::removable::try_umounting_removables($urpm) };
+
+    # select packages to uninstall for !update mode:
+    perform_removal($urpm, { map { $_ => $pkgs->{$_} } @to_remove }) if !$probe_only_for_updates;
+
+    $gurpm = ManaTools::Rpmdragora::gurpm->new(
+        text => $loc->N("Please wait"),
+        title => $loc->N("Initializing..."),
+    );
+    # my $_gurpm_clean_guard = MDK::Common::Func::before_leaving { undef $gurpm };
+    my $something_installed;
+
+    if (@to_install && $::rpmdragora_options{auto_orphans}) {
+        urpm::orphans::compute_future_unrequested_orphans($urpm, $state);
+        if (my @orphans = map { scalar $_->fullname } @{$state->{orphans_to_remove}}) {
+            interactive_msg($loc->N("Orphan packages"), $loc->P("The following orphan package will be removed.",
+                    "The following orphan packages will be removed.", scalar(@orphans))
+              . "\n" . urpm::orphans::add_leading_spaces(join("\n", @orphans) . "\n"), scroll => 1);
+        }
+    }
+
+    urpm::orphans::mark_as_requested($urpm, $state, 0);
+
+    my ($progress, $total, @rpms_upgrade);
+    my $transaction;
+    my ($progress_nb, $transaction_progress_nb, $remaining, $done);
+    my $callback_inst = sub {
+        my ($urpm, $type, $id, $subtype, $amount, $total) = @_;
+        my $pkg = defined $id ? $urpm->{depslist}[$id] : undef;
+        if ($subtype eq 'start') {
+            if ($type eq 'trans') {
+                print(1 ? $loc->N("Preparing package installation...") : $loc->N("Preparing package installation transaction..."));
+                $gurpm->label($loc->N("Preparing package installation..."));
+                } elsif (defined $pkg) {
+                    $something_installed = 1;
+                    print($loc->N("Installing package `%s' (%s/%s)...", $pkg->name, $transaction_progress_nb, scalar(@{$transaction->{upgrade}}))."\n" . $loc->N("Total: %s/%s", $progress_nb, $install_count));
+                    $gurpm->label($loc->N("Installing package `%s' (%s/%s)...", $pkg->name, ++$transaction_progress_nb, scalar(@{$transaction->{upgrade}}))
+                                        . "\n" . $loc->N("Total: %s/%s", ++$progress_nb, $install_count));
+                }
+        } elsif ($subtype eq 'progress') {
+            $gurpm->progress($total ? ceil(($amount/$total)*100) : 100);
+          #  print("Progress: ".($total ? ($amount/$total)*100 : 100)."\n");
+        }
+    };
+
+    # FIXME: sometimes state is lost:
+    my @ask_unselect = urpm::select::unselected_packages($state);
+
+    # fix flags for orphan computing:
+    foreach (keys %{$state->{selected}}) {
+        my $pkg = $urpm->{depslist}[$_];
+        $pkg->set_flag_requested($saved_flags{$pkg->id});
+    }
+    my $exit_code =
+      urpm::main_loop::run($urpm, $state, 1, \@ask_unselect,
+                         {
+                             completed => sub {
+                                 # explicitly destroy the progress window when it's over; we may
+                                 # have sg to display before returning (errors, rpmnew/rpmsave, ...):
+                                 undef $gurpm;
+
+                                 undef $lock;
+                                 undef $rpm_lock;
+                             },
+                             inst => $callback_inst,
+                             trans => $callback_inst,
+                             ask_yes_or_no => sub {
+                                 # handle 'allow-force' and 'allow-nodeps' options:
+                                 my ($title, $msg) = @_;
+                                 local $::main_window = $gurpm->{real_window};
+                                 interactive_msg($title, $msg, yesno => 1, scroll => 1,
+                                 );
+                             },
+                             message => sub {
+                                 my ($title, $message) = @_;
+                                 interactive_msg($title, $message, scroll => 1);
+                             },
+                             # cancel installation when 'cancel' button is pressed:
+                             trans_log => sub { download_callback($gurpm, @_) or goto return_with_exit_code },
+                             post_extract => sub {
+                                 my ($set, $transaction_sources, $transaction_sources_install) = @_;
+                                 $transaction = $set;
+                                 $transaction_progress_nb = 0;
+                                 $done += grep { !/\.src\.rpm$/ } values %$transaction_sources;         #updates
+                                 $total = keys(%$transaction_sources_install) + keys %$transaction_sources;
+                                 push @rpms_upgrade, keys %$transaction_sources;
+                                 $done += grep { !/\.src\.rpm$/ } values %$transaction_sources_install; # installs
+                             },
+                             pre_removable => sub {
+                                 # Gtk2::GUI_Update_Guard->new use of alarm() kill us when
+                                 # running system(), thus making DVD being ejected and printing
+                                 # wrong error messages (#30463)
+
+                                 local $SIG{ALRM} = sub { die "ALARM" };
+                                 $remaining = alarm(0);
+                             },
+
+                             post_removable => sub { alarm $remaining },
+                             copy_removable => sub {
+                                 my ($medium) = @_;
+                                 interactive_msg(
+                                     $loc->N("Change medium"),
+                                     $loc->N("Please insert the medium named \"%s\"", $medium),
+                                     yesno => 1, text => { no => $loc->N("Cancel"), yes => $loc->N("Ok") },
+                                 );
+                             },
+                             pre_check_sig => sub { $gurpm->label($loc->N("Verifying package signatures...")) },
+                             check_sig => sub { $gurpm->progress(ceil(++$progress/$total)*100) },
+                             bad_signature => sub {
+                                 my ($msg, $msg2) = @_;
+                                 local $::main_window = $gurpm->{real_window};
+                                 $msg =~ s/:$/\n\n/m; # FIXME: to be fixed in urpmi after 2008.0
+                                 interactive_msg(
+                                     $loc->N("Warning"), "$msg\n\n$msg2", yesno => 1, MDK::Common::Func::if_(10 < ($msg =~ tr/\n/\n/), scroll => 1),
+                                 );
+                             },
+                             post_download => sub {
+                                 $canceled and goto return_with_exit_code;
+#                                  $gurpm->invalidate_cancel_forever;
+                             },
+                             need_restart => sub {
+                                 my ($need_restart_formatted) = @_;
+                                 # FIXME: offer to restart the system
+                                 interactive_msg($loc->N("Warning"), join("\n", values %$need_restart_formatted), scroll => 1);
+                             },
+                             trans_error_summary => sub {
+                                 my ($nok, $errors) = @_;
+                                 interactive_msg(
+                                     $loc->N("Problem during installation"),
+                                     MDK::Common::Func::if_($nok, $loc->N("%d installation transactions failed", $nok) . "\n\n") .
+                                       $loc->N("There was a problem during the installation:\n\n%s",
+                                         join("\n\n", @$errors, @error_msgs)),
+                                     scroll => 1,
+                                 );
+                             },
+                             need_restart => sub {
+                                 my ($need_restart_formatted) = @_;
+                                 interactive_msg($loc->N("Warning"),
+                                                 join("\n\n", values %$need_restart_formatted));
+                             },
+                             success_summary => sub {
+                                 if (!($done || @to_remove)) {
+                                     interactive_msg($loc->N("Error"),
+                                                     $loc->N("Unrecoverable error: no package found for installation, sorry."));
+                                     return;
+                                 }
+                                 my $id = statusbar_msg($loc->N("Inspecting configuration files..."), 0);
+                                 my %pkg2rpmnew;
+                                 foreach my $id (@rpms_upgrade) {
+                                    my $pkg = $urpm->{depslist}[$id];
+                                    next if $pkg->arch eq 'src';
+                                    $pkg2rpmnew{$pkg->fullname} = [ grep { -r "$_.rpmnew" || -r "$_.rpmsave" } $pkg->conf_files ];
+                                 }
+                                 statusbar_msg_remove($id);
+                                 rpmnew_dialog($loc->N("The installation is finished; everything was installed correctly.
+
+Some configuration files were created as `.rpmnew' or `.rpmsave',
+you may now inspect some in order to take actions:"),
+                                               %pkg2rpmnew)
+                                   and statusbar_msg($loc->N("All requested packages were installed successfully."), 1);
+                                 statusbar_msg($loc->N("Looking for \"README\" files..."), 1);
+                                 _display_READMEs_if_needed($urpm);
+                             },
+                             already_installed_or_not_installable => sub {
+                                 my ($msg1, $msg2) = @_;
+                                 my $msg = join("\n", @$msg1, @$msg2);
+                                 return if !$msg; # workaround missing state
+                                 interactive_msg($loc->N("Error"), $msg);
+                             },
+                         },
+                     );
+
+    #- restart rpmdragora if needed, keep command line for that.
+    if ($need_restart && !$exit_code && $something_installed) {
+        Sys::Syslog::syslog('info|local1', "restarting rpmdragora");
+        #- it seems to work correctly with exec instead of system, provided we stop timers
+        #- added --previous-priority-upgrade to allow checking if yet if
+        #-   priority-upgrade list has changed. and make sure we don't uselessly restart
+        my @argv = ('--previous-priority-upgrade=' . $urpm->{options}{'priority-upgrade'},
+                grep { !/^--no-priority-upgrade$|--previous-priority-upgrade=/ } @ManaTools::Rpmdragora::init::ARGV_copy);
+        # remove "--emmbedded <id>" from argv:
+        my $i = 0;
+        foreach (@argv) {
+            splice @argv, $i, 2 if /^--embedded$/;
+            $i++;
+        }
+        alarm(0);
+        # reMDK::Common::DataStructure::member not to ask again questions and the like:
+        writeconf();
+        exec($0, @argv);
+        exit(0);
+    }
+
+    my $_s1 = $loc->N("RPM transaction %d/%d", 0, 0);
+    my $_s2 = $loc->N("Unselect all");
+    my $_s3 = $loc->N("Details");
+
+    statusbar_msg_remove($statusbar_msg_id); #- XXX maybe remove this
+
+    if ($exit_code == 0 && !$::rpmdragora_options{auto_orphans}) {
+        if (urpm::orphans::check_unrequested_orphans_after_auto_select($urpm)) {
+            if (my $msg = urpm::orphans::get_now_orphans_gui_msg($urpm)) {
+                interactive_msg($loc->N("Orphan packages"), $msg, scroll => 1);
+            }
+        }
+    }
+
+  return_with_exit_code:
+    return !($something_installed || scalar(@to_remove));
+}
+
+
+# -=-=-=---=-=-=---=-=-=-- remove packages -=-=-=---=-=-=---=-=-=-
+
+sub perform_removal {
+    my ($urpm, $pkgs) = @_;
+    my @toremove = map { MDK::Common::Func::if_($pkgs->{$_}{selected}, $pkgs->{$_}{urpm_name}) } keys %$pkgs;
+    return if !@toremove;
+    my $gurpm = ManaTools::Rpmdragora::gurpm->new(
+        text => $loc->N("Please wait")
+    );
+    my $_gurpm_clean_guard = MDK::Common::Func::before_leaving { undef $gurpm };
+
+    my $may_be_orphans = 1;
+    urpm::orphans::unrequested_orphans_after_remove($urpm, \@toremove)
+	or $may_be_orphans = 0;
+
+    my $progress = -1;
+    local $urpm->{log} = sub {
+        my $str = $_[0];
+        print $str;
+        $progress++;
+        return if $progress <= 0; # skip first "creating transaction..." message
+        $gurpm->label($str); # display "removing package %s"
+        $gurpm->progress(ceil(min(99, scalar($progress/@toremove)*100)));
+	#gtkflush();
+    };
+
+    my @results;
+    slow_func_statusbar(
+	$loc->N("Please wait, removing packages..."),
+	$::main_window,
+	sub {
+	    @results = $::rpmdragora_options{parallel}
+		? urpm::parallel::remove($urpm, \@toremove)
+		: urpm::install::install($urpm, \@toremove, {}, {},
+                                   callback_report_uninst => sub { $gurpm->label($_[0]) },
+                               );
+	    open_rpm_db('force_sync');
+	},
+    );
+    if (@results) {
+	interactive_msg(
+	    $loc->N("Problem during removal"),
+	    $loc->N("There was a problem during the removal of packages:\n\n%s", join("\n",  @results)),
+	    MDK::Common::Func::if_(@results > 1, scroll => 1),
+	);
+	return 1;
+    } else {
+        if ($may_be_orphans && !$::rpmdragora_options{auto_orphans}) {
+            if (my $msg = urpm::orphans::get_now_orphans_gui_msg($urpm)) {
+                interactive_msg($loc->N("Information"), $msg, scroll => 1);
+            }
+        }
+	return 0;
+    }
+}
+
+1;