drakx - Mageia Installer and base platform for many utilities

index : drakx

Mageia Installer and base platform for many utilities

Thierry Vignaud [tv]

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path: root/rescue/tree/etc

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Diffstat (limited to 'rescue/tree/etc')

-rwxr-xr-x

rescue/tree/etc/rc.sysinit

1 files changed, 1 insertions, 1 deletions

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package install::pkgs; # $Id$

use strict;

BEGIN {
    # needed before "use URPM"
    mkdir '/etc/rpm';
    symlink "/tmp/stage2/etc/rpm/$_", "/etc/rpm/$_" foreach 'macros.d';
}

use URPM;
use URPM::Resolve;
use URPM::Signature;
use urpm;
use urpm::args;
use urpm::main_loop;
use urpm::select;
use common;
use install::any;
use install::media qw(getFile_ getAndSaveFile_ packageMedium);
use run_program;
use detect_devices;
use log;
use fs;
use fs::any;
use fs::loopback;
use c;


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

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

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

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

#- search package with given name and compatible with current architecture.
#- take the best one found (most up-to-date).
sub packageByName {
    my ($packages, $name) = @_;

    my @l = grep { $_->is_arch_compat && $_->name eq $name } URPM::packages_providing($packages, $name);

    my $best;
    foreach (@l) {
	if ($best && $best != $_) {
	    $_->compare_pkg($best) > 0 and $best = $_;
	} else {
	    $best = $_;
	}
    }
    $best or log::l("unknown package `$name'");
    $best;
}

sub _bestKernel_extensions {
    my ($o_match_all_hardware) = @_;

    $::o->{kernel_extension} ? $::o->{kernel_extension} :
    $o_match_all_hardware ? (arch() =~ /i.86/ ? '-desktop586' : '-desktop') :
      detect_devices::is_xbox() ? '-xbox' :
      detect_devices::is_i586() ? '-desktop586' :
      arch() =~ /i.86/ && detect_devices::dmi_detect_memory() > 3.8 * 1024 || detect_devices::isServer() ? '-server' :
      '-desktop';
}

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

    my @preferred_exts = _bestKernel_extensions($o_match_all_hardware);
    my @kernels = grep { $_ } map { packageByName($packages, "kernel$_-latest") } @preferred_exts;

    log::l("bestKernelPackage (" . join(':', @preferred_exts) . "): " . join(' ', map { $_->name } @kernels) . (@kernels > 1 ? ' (choosing the first)' : ''));

    $kernels[0];
}

sub packagesToInstall {
    my ($packages) = @_;
    my @packages;
    foreach (@{$packages->{media}}) {
	!$_->{ignore} or next;
	log::l("examining packagesToInstall of medium $_->{name}");
	push @packages, grep { $_->flag_selected } install::media::packagesOfMedium($packages, $_);
    }
    log::l("found " . scalar(@packages) . " packages to install");
    @packages;
}

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

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

    #- check for medium selection, if the medium has not been
    #- selected, the package cannot be selected.
    !packageMedium($packages, $pkg)->{ignore} or return;

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

sub packageCallbackChoices {
    my ($urpm, $_db, $_state, $choices, $virtual_pkg_name, $prefered) = @_;
  
    if ($prefered && @$prefered) {
	@$prefered;
    } elsif (my @l = _packageCallbackChoices_($urpm, $choices, $virtual_pkg_name)) {
	@l;
    } else {
	log::l("packageCallbackChoices: default choice ('" . $choices->[0]->name . "') from " . join(",", map { $_->name } @$choices) . " for $virtual_pkg_name");
	$choices->[0];
    }
}

sub _packageCallbackChoices_ {
    my ($urpm, $choices, $virtual_pkg_name) = @_;

    my ($prefer, $_other) = urpm::select::get_preferred($urpm, $choices, '');
    if (@$prefer) {
	@$prefer;
    } elsif ($virtual_pkg_name eq 'kernel') {
	my $re = join('|', map { "kernel\Q$_-2" } _bestKernel_extensions());
	my @l = grep { $_->name =~ $re } @$choices;
	log::l("packageCallbackChoices: kernel chosen ", join(",", map { $_->name } @l), " in ", join(",", map { $_->name } @$choices));
	@l;
    } elsif ($choices->[0]->name =~ /^kernel-(.*source-|.*-devel-)/) {
	my @l = grep {
	    if ($_->name =~ /^kernel-.*source-stripped-(.*)/) {
		my $version = quotemeta($1);
		find {
		    $_->name =~ /-$version$/ && ($_->flag_installed || $_->flag_selected);
		} $urpm->packages_providing('kernel');
	    } elsif ($_->name =~ /(kernel-.*)-devel-(.*)/) {
		my $kernel = "$1-$2";
		my $p = packageByName($urpm, $kernel);
		$p && ($p->flag_installed || $p->flag_selected);
	    } elsif ($_->name =~ /^kernel-.*source-/) {
		#- hopefully we don't have a media with kernel-source but not kernel-source-stripped nor kernel-.*-devel
		0;
	    } else {
		log::l("unknown kernel-source package " . $_->fullname);
		0;
	    }
	} @$choices;

	log::l("packageCallbackChoices: kernel source chosen ", join(",", map { $_->name } @l), " in ", join(",", map { $_->name } @$choices));

	@l;
    } else {
	();
    }
}

sub skip_packages {
    my ($packages, $skipped_packages) = @_;
    $packages->compute_flags($skipped_packages, skip => 1);
}

sub select_by_package_names {
    my ($packages, $names, $b_base) = @_;

    my @l;
    foreach (@$names) {
	my $p = packageByName($packages, $_) or next;
	push @l, selectPackage($packages, $p, $b_base);
    }
    @l;
}

sub select_by_package_names_or_die {
    my ($packages, $names, $b_base) = @_;

    foreach (@$names) {
	my $p = packageByName($packages, $_) or die "package $_ not found";
	!$p->flag_installed && !$p->flag_selected or next;
	my ($_pkgs, $error) = _selectPackage_with_error($packages, $p, $b_base);
	$error and die N("Some packages requested by %s cannot be installed:\n%s", $_, $error);
    }
}

sub _resolve_requested_and_check {
    my ($packages, $state, $requested) = @_;

    my @l = $packages->resolve_requested($packages->{rpmdb}, $state, $requested,
					 callback_choices => \&packageCallbackChoices, no_suggests => $::o->{no_suggests});

    my $error;
    if (find { !exists $state->{selected}{$_} } keys %$requested) {
	my @rejected = urpm::select::unselected_packages($packages, $state);
	$error = urpm::select::translate_why_unselected($packages, $state, @rejected);
	log::l("ERROR: selection failed: $error");
    }

    \@l, $error;
}

sub selectPackage {
    my ($packages, $pkg, $b_base) = @_;
    my ($pkgs, $_error) = _selectPackage_with_error($packages, $pkg, $b_base);
    @$pkgs;
}

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

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

    $packages->{rpmdb} ||= rpmDbOpen();

    my ($pkgs, $error) = _resolve_requested_and_check($packages, $state, _packageRequest($packages, $pkg) || {});

    if ($b_base) {
	$_->set_flag_base foreach @$pkgs;
    }
    ($pkgs, $error);
}

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

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

    my $state = $packages->{state} ||= {};
    log::l("removing selection on package " . $pkg->fullname);
    my @l = $packages->disable_selected($packages->{rpmdb}, $state, $pkg);
    log::l("   removed selection on package " . $pkg->fullname . "gives " . join(',', map { scalar $_->fullname } @l));
}

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

sub empty_packages {
    my ($o_keep_unrequested_dependencies) = @_;
    my $packages = urpm->new;
    urpm::get_global_options($packages);
    urpm::set_files($packages, '/mnt');

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

    urpm::args::set_debug($packages) if $::o->{debug_urpmi};
    $packages->{log} = \&log::l;
    $packages->{info} = \&log::l;
    $packages->{fatal} = $packages->{error} = sub {
        log::l("urpmi error: $_[0]");
        $::o->ask_warn(undef, N("An error occurred:") . "\n\n" . $_[0]);
    };
    $packages->{root} = $::prefix;
    $packages->{prefer_vendor_list} = '/etc/urpmi/prefer.vendor.list';
    $packages->{keep_unrequested_dependencies} =
      defined($o_keep_unrequested_dependencies) ? $o_keep_unrequested_dependencies : 1;
    $urpm::args::options{force_transactions} = 1;
    $::force = 1;
    $packages->{options}{ignoresize} = 1;
    $packages->{options}{'priority-upgrade'};  # prevent priority upgrade
    # log $trans->add() faillure; FIXME: should we override *urpm::msg::sys_log?
    $packages->{debug} = \&log::l;

    $packages;
}

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

    my $f = common::open_file($file) or log::l("can not find $file: $!"), return;
    my ($compssUsers, $gtk_display_compssUsers) = eval join('', <$f>);
    if ($@) {
	log::l("ERROR: bad $file: $@");
    } else {
	log::l("compssUsers.pl got: ", join(', ', map { qq("$_->{path}|$_->{label}") } @$compssUsers));
    }
    ($compssUsers, $gtk_display_compssUsers);
}

sub saveCompssUsers {
    my ($packages, $compssUsers) = @_;
    my $flat;
    foreach (@$compssUsers) {
	my %fl = map { ("CAT_$_" => 1) } @{$_->{flags}};
	$flat .= "$_->{label} [icon=xxx] [path=$_->{path}]\n";
	foreach my $p (@{$packages->{depslist}}) {
	    my @flags = $p->rflags;
	    if ($p->rate && any { any { !/^!/ && $fl{$_} } split('\|\|') } @flags) {
		$flat .= sprintf "\t%d %s\n", $p->rate, $p->name;
	    }
	}
    }
    my $urpmidir = install::media::urpmidir();
    output "$urpmidir/compssUsers.flat", $flat;
}

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

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

	my ($l, $_error) = _resolve_requested_and_check($packages, $state, _packageRequest($packages, $p) || {});

	#- this enable an incremental total size.
	my $old_nb = $nb;
	foreach (@$l) {
	    $nb += $_->size;
	}
	if ($max_size && $nb > $max_size) {
	    $nb = $old_nb;
	    $min_level = $p->rate;
	    $packages->disable_selected($packages->{rpmdb}, $state, @$l);
	    last;
	}
    }
    my @flags = map_each { if_($::b, $::a) } %$rpmsrate_flags_chosen;
    log::l("setSelectedFromCompssList: reached size ", int($nb / 1024/1024), "MB, up to indice $min_level (less than ", formatXiB($max_size), ") for flags ", join(' ', sort @flags));
    log::l("setSelectedFromCompssList: ", join(" ", sort map { $_->name } grep { $_->flag_selected } @{$packages->{depslist}}));
    $min_level;
}

#- useful to know the size it would take for a given min_level/max_size
#- just save the selected packages, call setSelectedFromCompssList, and restore the selected packages
sub saveSelected {
    my ($packages) = @_;
    my $state = delete $packages->{state};
    my @l = @{$packages->{depslist}};


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