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|
package urpm::select;
# $Id$
use urpm::msg;
use urpm::util;
use urpm::sys;
use URPM;
my $default_priority_list = 'rpm,perl-URPM,perl-MDV-Distribconf,urpmi,meta-task,glibc';
my @priority_list = split(',', $default_priority_list);
sub add_packages_to_priority_upgrade_list {
@priority_list = uniq(@priority_list, @_);
}
sub set_priority_upgrade_option {
my ($urpm, $previous) = @_;
exists $urpm->{options}{'priority-upgrade'} and return;
# comma-separated list of packages that should be installed first,
# and that trigger an urpmi restart
my $list = join(',', @priority_list);
if ($previous) {
if ($previous eq $list) {
$list = '';
$urpm->{log}(N("urpmi was restarted, and the list of priority packages did not change"));
} else {
$urpm->{log}(N("urpmi was restarted, and the list of priority packages did change: %s vs %s", $previous, $list));
}
}
$urpm->{options}{'priority-upgrade'} = $list;
}
sub _findindeps {
my ($urpm, $found, $qv, $v, $caseinsensitive, $src) = @_;
foreach (keys %{$urpm->{provides}}) {
#- search through provides to find if a provide matches this one;
#- but manage choices correctly (as a provides may be virtual or
#- defined several times).
/$qv/ || !$caseinsensitive && /$qv/i or next;
my @list = grep { defined $_ } map {
my $pkg = $_;
$pkg && ($src ? $pkg->arch eq 'src' : $pkg->arch ne 'src')
? $pkg->id : undef;
} $urpm->packages_providing($_);
@list > 0 and push @{$found->{$v}}, join '|', @list;
}
}
sub pkg_in_searchmedia {
my ($urpm, $pkg) = @_;
foreach my $medium (grep { $_->{searchmedia} } @{$urpm->{media}}) {
$medium->{start} <= $pkg->id
&& $medium->{end} >= $pkg->id and return 1;
}
0;
}
sub searchmedia_idlist {
my ($urpm) = @_;
$urpm->{searchmedia} && [
map { $_->{start} .. $_->{end} }
grep { $_->{searchmedia} } @{$urpm->{media}}
];
}
sub build_listid_ {
my ($urpm) = @_;
$urpm->build_listid(undef, undef, searchmedia_idlist($urpm));
}
#- search packages registered by their names by storing their ids into the $packages hash.
#- Recognized options:
#- all
#- caseinsensitive
#- fuzzy
#- src
#- use_provides
#-
#- side-effects: $packages, flag_skip
sub search_packages {
my ($urpm, $packages, $names, %options) = @_;
my ($name2ids, $result) = _search_packages($urpm, $names, %options) or return;
foreach my $v (@$names) {
my @ids = split /\|/, $name2ids->{$v};
#- in case we have a substring match, we want individual selection (for urpmq --fuzzy)
$packages->{$_} = 1 foreach $result eq 'substring' || $options{all} ? @ids : $name2ids->{$v};
foreach (@ids) {
my $pkg = $urpm->{depslist}[$_] or next;
$urpm->{debug} and $urpm->{debug}("search_packages: found " . $pkg->fullname . " matching $v");
$pkg->set_flag_skip(0); #- reset skip flag as manually selected.
}
}
$result;
}
#- side-effects: none
sub _search_packages {
my ($urpm, $names, %options) = @_;
my (%exact, %exact_a, %exact_ra, %found, %foundi);
foreach my $v (@$names) {
my $qv = quotemeta $v;
$qv = '(?i)' . $qv if $options{caseinsensitive};
unless ($options{fuzzy}) {
#- try to search through provides.
if (my @l = map {
$_
&& ($options{src} ? $_->arch eq 'src' : $_->is_arch_compat)
&& ($options{use_provides} || $_->name eq $v)
&& defined($_->id)
&& (!$urpm->{searchmedia} || pkg_in_searchmedia($urpm, $_))
? $_ : @{[]};
} $urpm->packages_providing($v))
{
#- find the lowest value of is_arch_compat
my ($noarch, $arch) = partition { $_->arch eq 'noarch' } @l;
my %compats;
push @{$compats{$_->is_arch_compat}}, $_ foreach @$arch;
delete $compats{0}; #- means not compatible
#- if there are pkgs matching arch, prefer them
if (%compats && !$options{all}) {
my $best_arch = min(keys %compats);
%compats = ($best_arch => $compats{$best_arch});
}
if (%compats) {
@l = (@$noarch, map { @$_ } values %compats);
}
#- we assume that if there is at least one package providing
#- the resource exactly, this should be the best one; but we
#- first check if one of the packages has the same name as searched.
if (my @l2 = grep { $_->name eq $v } @l) {
@l = @l2;
}
$exact{$v} = join('|', map { $_->id } @l);
next;
}
}
if ($options{use_provides} && $options{fuzzy}) {
_findindeps($urpm, \%found, $qv, $v, $options{caseinsensitive}, $options{src});
}
foreach my $id (build_listid_($urpm)) {
my $pkg = $urpm->{depslist}[$id];
($options{src} ? $pkg->arch eq 'src' : $pkg->is_arch_compat) or next;
my $pack_name = $pkg->name;
my $pack_ra = $pack_name . '-' . $pkg->version;
my $pack_a = "$pack_ra-" . $pkg->release;
my $pack = "$pack_a." . $pkg->arch;
unless ($options{fuzzy}) {
if ($pack eq $v) {
$exact{$v} = $id;
next;
} elsif ($pack_a eq $v) {
push @{$exact_a{$v}}, $id;
next;
} elsif ($pack_ra eq $v || $options{src} && $pack_name eq $v) {
push @{$exact_ra{$v}}, $id;
next;
}
}
$pack =~ /$qv/ and push @{$found{$v}}, $id;
$pack =~ /$qv/i and push @{$foundi{$v}}, $id unless $options{caseinsensitive};
}
}
my $result = 1;
my %name2ids;
foreach my $v (@$names) {
if (defined $exact{$v}) {
$name2ids{$v} = $exact{$v};
} else {
#- at this level, we need to search the best package given for a given name,
#- always prefer already found package.
my %l;
foreach (@{$exact_a{$v} || $exact_ra{$v} || $found{$v} || $foundi{$v} || []}) {
my $pkg = $urpm->{depslist}[$_];
push @{$l{$pkg->name}}, $pkg;
}
if (values(%l) == 0 || values(%l) > 1 && !$options{all}) {
$urpm->{error}(N("No package named %s", $v));
values(%l) != 0 and $urpm->{error}(
N("The following packages contain %s: %s",
$v, "\n" . join("\n", sort { $a cmp $b } keys %l))
);
$result = 0;
} else {
if (!@{$exact_a{$v} || $exact_ra{$v} || []}) {
#- we found a non-exact match
$result = 'substring';
}
$name2ids{$v} = join('|', map {
my $best;
foreach (@$_) {
if ($best && $best != $_) {
$_->compare_pkg($best) > 0 and $best = $_;
} else {
$best = $_;
}
}
map { $_->id } grep { $_->fullname eq $best->fullname } @$_;
} values %l);
}
}
}
#- return 0 if error, 'substring' if fuzzy match, 1 if ok
\%name2ids, $result;
}
#- Resolves dependencies between requested packages (and auto selection if any).
#- handles parallel option if any.
#- The return value is true if program should be restarted (in order to take
#- care of important packages being upgraded (priority upgrades)
#- %options :
#- rpmdb
#- auto_select
#- install_src
#- priority_upgrade
#- %options passed to ->resolve_requested:
#- callback_choices
#- keep
#- nodeps
#- no_suggests
sub resolve_dependencies {
#- $state->{selected} will contain the selection of packages to be
#- installed or upgraded
my ($urpm, $state, $requested, %options) = @_;
my $need_restart;
if ($urpm->{parallel_handler}) {
require urpm::parallel; #- help perl_checker;
urpm::parallel::resolve_dependencies($urpm, $state, $requested, %options);
} else {
my $db;
if ($options{rpmdb}) {
$db = new URPM;
$db->parse_synthesis($options{rpmdb});
} else {
$db = urpm::db_open_or_die($urpm, $urpm->{root});
}
my $sig_handler = sub { undef $db; exit 3 };
local $SIG{INT} = $sig_handler;
local $SIG{QUIT} = $sig_handler;
#- auto select package for upgrading the distribution.
if ($options{auto_select}) {
$urpm->request_packages_to_upgrade($db, $state, $requested, requested => undef,
$urpm->{searchmedia} ? (idlist => searchmedia_idlist($urpm)) : (),
);
}
my @priority_upgrade;
if ($options{priority_upgrade} && !$options{rpmdb}) {
@priority_upgrade = map {
$urpm->packages_by_name($_);
} split(/,/, $options{priority_upgrade});
#- first check if a priority_upgrade package is requested
#- (it should catch all occurences in --auto-select mode)
#- (nb: a package "foo" may appear twice, and only one will be set flag_upgrade)
if (my @l = grep { $_->flag_upgrade } @priority_upgrade) {
_resolve_priority_upgrades($urpm, $db, $state, $requested, \@l, %options);
}
}
if (!$need_restart) {
$urpm->resolve_requested($db, $state, $requested, %options);
#- now check if a priority_upgrade package has been required
#- by a requested package
if (my @l = grep { $state->{selected}{$_->id} } @priority_upgrade) {
_resolve_priority_upgrades($urpm, $db, $state, $state->{selected}, \@l, %options);
}
}
}
$need_restart;
}
sub _resolve_priority_upgrades {
my ($urpm, $db, $state, $selected, $priority_pkgs, %options) = @_;
my ($need_restart, %priority_state);
my %priority_requested = map { $_->id => undef } @$priority_pkgs;
$urpm->resolve_requested__no_suggests_($db, \%priority_state, \%priority_requested, %options);
if (grep { ! exists $priority_state{selected}{$_} } keys %priority_requested) {
#- some packages which were selected previously have not been selected, strange!
} elsif (grep { ! exists $priority_state{selected}{$_} } keys %$selected) {
#- there are other packages to install after this priority transaction.
%$state = %priority_state;
$need_restart = 1;
}
$need_restart;
}
sub cooked_prefer {
my ($urpm, $cmdline_prefer) = @_;
$urpm->{prefer_regexps} ||= [
map {
m!^/(.*)/$! ? "($1)" : '^' . quotemeta($_) . '$';
} map { @$_ }
urpm::sys::get_packages_list($urpm->{prefer_list}, $cmdline_prefer),
urpm::sys::get_packages_list($urpm->{prefer_vendor_list})
];
@{$urpm->{prefer_regexps}};
}
sub get_preferred {
my ($urpm, $choices, $cmdline_prefer) = @_;
my @prefer;
my @l = @$choices;
foreach my $re (cooked_prefer($urpm, $cmdline_prefer)) {
my ($prefer, $other) = partition { $_->name =~ $re } @l;
push @prefer, @$prefer;
@l = @$other;
if (@$prefer) {
my $prefer_s = join(',', map { $_->name } @$prefer);
my $other_s = join(',', map { $_->name } @l);
$urpm->{log}("preferring $prefer_s over $other_s");
}
}
#- only keep the best prefered
#- then put the other prefered packages first
my $best = shift @prefer;
$best ? [$best] : [], [@prefer, @l];
}
#- find packages to remove.
#- options:
#- callback_base
#- callback_fuzzy
#- callback_notfound
#- force
#- matches
#- test
sub find_packages_to_remove {
my ($urpm, $state, $l, %options) = @_;
if ($urpm->{parallel_handler}) {
#- invoke parallel finder.
$urpm->{parallel_handler}->parallel_find_remove($urpm, $state, $l, %options, find_packages_to_remove => 1);
} else {
my $db = urpm::db_open_or_die($urpm, $urpm->{root});
my (@m, @notfound);
if (!$options{matches}) {
foreach (@$l) {
my ($n, $found);
#- check if name-version-release.architecture was given.
if (($n) = /^(.*)-[^\-]*-[^\-]*\.[^\.\-]*$/) {
$db->traverse_tag('name', [ $n ], sub {
my ($p) = @_;
$p->fullname eq $_ or return;
$urpm->resolve_rejected($db, $state, $p, removed => 1);
push @m, scalar $p->fullname;
$found = 1;
});
$found and next;
}
#- check if name-version-release was given.
if (($n) = /^(.*)-[^\-]*-[^\-]*$/) {
$db->traverse_tag('name', [ $n ], sub {
my ($p) = @_;
my ($name, $version, $release) = $p->fullname;
"$name-$version-$release" eq $_ or return;
$urpm->resolve_rejected($db, $state, $p, removed => 1);
push @m, scalar $p->fullname;
$found = 1;
});
$found and next;
}
#- check if name-version was given.
if (($n) = /^(.*)-[^\-]*$/) {
$db->traverse_tag('name', [ $n ], sub {
my ($p) = @_;
my ($name, $version) = $p->fullname;
"$name-$version" eq $_ or return;
$urpm->resolve_rejected($db, $state, $p, removed => 1);
push @m, scalar $p->fullname;
$found = 1;
});
$found and next;
}
#- check if only name was given.
$db->traverse_tag('name', [ $_ ], sub {
my ($p) = @_;
$p->name eq $_ or return;
$urpm->resolve_rejected($db, $state, $p, removed => 1);
push @m, scalar $p->fullname;
$found = 1;
});
$found and next;
push @notfound, $_;
}
if (!$options{force} && @notfound && @$l > 1) {
$options{callback_notfound} && $options{callback_notfound}->($urpm, @notfound)
or return ();
}
}
if ($options{matches} || @notfound) {
my $match = join "|", map { quotemeta } @$l;
my $qmatch = qr/$match/;
#- reset what has been already found.
%$state = ();
@m = ();
$urpm->{log}(qq(going through installed packages looking for "$match"...));
#- search for packages that match, and perform closure again.
$db->traverse(sub {
my ($p) = @_;
my $f = scalar $p->fullname;
$f =~ $qmatch or return;
$urpm->resolve_rejected($db, $state, $p, removed => 1);
push @m, $f;
});
$urpm->{log}("...done, packages found [" . join(' ', @m) . "]");
if (!$options{force} && @notfound) {
if (@m) {
$options{callback_fuzzy} && $options{callback_fuzzy}->($urpm, @$l > 1 ? $match : $l->[0], @m)
or return ();
} else {
$options{callback_notfound} && $options{callback_notfound}->($urpm, @notfound)
or return ();
}
}
}
#- check if something needs to be removed.
find_removed_from_basesystem($urpm, $db, $state, $options{callback_base})
or return ();
}
removed_packages($urpm, $state);
}
sub find_removed_from_basesystem {
my ($urpm, $db, $state, $callback_base) = @_;
if ($callback_base && %{$state->{rejected} || {}}) {
my %basepackages;
my @dont_remove = ('basesystem', 'basesystem-minimal',
split /,\s*/, $urpm->{global_config}{'prohibit-remove'});
#- check if a package to be removed is a part of basesystem requires.
$db->traverse_tag('whatprovides', \@dont_remove, sub {
my ($p) = @_;
$basepackages{$p->fullname} = 0;
});
foreach (removed_packages($urpm, $state)) {
exists $basepackages{$_} or next;
++$basepackages{$_};
}
if (grep { $_ } values %basepackages) {
return $callback_base->($urpm, grep { $basepackages{$_} } keys %basepackages);
}
}
return 1;
}
#- misc functions to help finding ask_unselect and ask_remove elements with their reasons translated.
sub unselected_packages {
my (undef, $state) = @_;
grep { $state->{rejected}{$_}{backtrack} } keys %{$state->{rejected} || {}};
}
sub translate_why_unselected {
my ($urpm, $state, @fullnames) = @_;
join("\n", map { translate_why_unselected_one($urpm, $state, $_) } sort @fullnames);
}
sub translate_why_unselected_one {
my ($urpm, $state, $fullname) = @_;
my $obj = $state->{rejected}{$fullname};
my $rb = $obj->{backtrack};
my @froms = keys %{$rb->{closure} || {}};
my @unsatisfied = @{$rb->{unsatisfied} || []};
my @conflicts = keys(%$rb) ? () : keys %{$obj->{closure}};
my $s = join ", ", (
(map { N("due to missing %s", $_) } @froms),
(map { N("due to already installed %s", $_) } @conflicts),
(map { N("due to unsatisfied %s", $_) } uniq(map {
#- XXX in theory we shouldn't need this, dependencies (and not ids) should
#- already be present in @unsatisfied. But with biarch packages this is
#- not always the case.
/\D/ ? $_ : scalar($urpm->{depslist}[$_]->fullname);
} @unsatisfied)),
$rb->{promote} && !$rb->{keep} ? N("trying to promote %s", join(", ", @{$rb->{promote}})) : (),
$rb->{keep} ? N("in order to keep %s", join(", ", @{$rb->{keep}})) : (),
);
$fullname . ($s ? " ($s)" : '');
}
sub removed_packages {
my (undef, $state) = @_;
grep {
$state->{rejected}{$_}{removed} && !$state->{rejected}{$_}{obsoleted};
} keys %{$state->{rejected} || {}};
}
sub translate_why_removed {
my ($urpm, $state, @fullnames) = @_;
join("\n", map { translate_why_removed_one($urpm, $state, $_) } sort @fullnames);
}
sub translate_why_removed_one {
my ($urpm, $state, $fullname) = @_;
my $closure = $state->{rejected} && $state->{rejected}{$fullname} && $state->{rejected}{$fullname}{closure}
or return $fullname;
my ($from) = keys %$closure;
my ($whyk) = keys %{$closure->{$from}};
my $whyv = $closure->{$from}{$whyk};
my $frompkg = $urpm->search($from, strict_fullname => 1);
my $s = do {
if ($whyk =~ /old_requested/) {
N("in order to install %s", $frompkg ? scalar $frompkg->fullname : $from);
} elsif ($whyk =~ /unsatisfied/) {
join(",\n ", map {
if (/([^\[\s]*)(?:\[\*\])?(?:\[|\s+)([^\]]*)\]?$/ && $2 ne '*') {
N("due to unsatisfied %s", "$1 $2");
} else {
N("due to missing %s", $_);
}
} @$whyv);
} elsif ($whyk =~ /conflicts/) {
N("due to conflicts with %s", $whyv);
} else {
$whyk;
}
};
#- now insert the reason if available.
$fullname . ($s ? "\n ($s)" : '');
}
1;
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