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package URPM;
use strict;
# Olivier Thauvin <thauvin@aerov.jussieu.fr>
# This package extend URPM functions to permit
# URPM low level query on rpm header
# $Id$
# tag2id
# INPUT array of rpm tag name
# Return an array of ID tag
sub tag2id {
my @l = @_;
my %taglist = URPM::list_rpm_tag;
map { $taglist{uc("RPMTAG_$_")} || undef } @l;
}
sub query_pkg {
my ($urpm, $pkg, $query) = @_;
my @tags = map {
[ $pkg->get_tag(tag2id($_)) ]
} $query =~ m/\%\{([^{}]*)\}*/g;
$query =~ s/\%\{[^{}]*\}/%s/g;
$query =~ s/\\n/\n/g;
$query =~ s/\\t/\t/g;
my ($max, @res) = 0;
foreach (@tags) { $max < $#{$_} and $max = $#{$_} };
foreach my $i (0 .. $max) {
push(@res, sprintf($query, map { ${$_}[ $#{$_} < $i ? $#{$_} : $i ] } @tags));
}
@res
}
1;
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