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#!/usr/bin/perl
use strict;
use urpm;
use urpm::msg;
my %options = (
restrict_group => 0,
group => 'System/Libraries',
root => '',
);
my $usage = N("usage: %s [options]
where [options] are from
", $0) . N(" -h|--help - print this help message.
") . N(" --root <path> - use the given root instead of /
") . N(" -g [group] - restrict results to specified group.
") . N(" -f - output rpm full name (NVRA)
") . N(" defaults to %s.
", $options{group});
while ($_ = shift) {
$_ eq '--root' and do {
my $root = shift;
$root and $options{root} = $root;
next;
};
$_ eq '-g' and do {
$options{restrict_group} = 1;
next if !@ARGV || $ARGV[0] =~ /^-/;
my $group = shift;
$options{group} = $group;
next;
};
$_ eq '-f' and do { $options{fullname} = 1; next };
print $usage; exit 0;
}
my @packages;
{
my $db = URPM::DB::open($options{root}) or die "Can't open RPM db\n";
$db->traverse(sub {
my ($p) = @_;
$p->pack_header;
push @packages, $p;
});
}
my %l;
my %provides;
foreach my $pkg (@packages) {
next if $options{restrict_group} && $pkg->group !~ /\Q$options{group}/oi;
$l{$pkg->name} = $pkg;
push @{$provides{$_}}, $pkg->name foreach $pkg->provides_nosense;
}
foreach my $pkg (@packages) {
delete @l{grep { $_ ne $pkg->name } @{$provides{$_} || []}} foreach $pkg->requires_nosense;
}
if ($options{fullname}) {
foreach my $k (sort keys %l) {
my $l = $l{$k};
print $l->name, '-', $l->version, '-', $l->release, '.', $l->arch, "\n";
}
} else {
print "$_\n" foreach sort keys %l;
}
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