#!/usr/bin/perl -w
#----------------------------------------------------------------------
# Yum import keys
# Copyright (C) 2005 Gordon Rowell <gordonr@gormand.com.au>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 or 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
#----------------------------------------------------------------------

use strict;
use warnings;

use constant KEYDIR => "/usr/share/rpm-gpg-keys";

sub parse_key {
	my @lines = @_;
	my ($key, $good);

	$good = 0;
	foreach (@lines) {
		chomp;
		next if m#Version:#i;

		if (m#BEGIN PGP PUBLIC KEY BLOCK#) {
			$good++;
			next;
		}

		if (m#END PGP PUBLIC KEY BLOCK#) {
			$key .= $1 if (m/^(.+)-----END PGP PUBLIC KEY BLOCK/);
			return $key;
		}


		$key .= $_ if m#^\S+$# && $good;
	}
	return undef;
}

my %keys;

if(open (RPMS, '/bin/rpm -q gpg-pubkey 2> /dev/null|')) {
	foreach my $rpm (map { chomp; $_ } <RPMS>) {
		if(open (KEY, "/bin/rpm -q --qf \%{DESCRIPTION} $rpm|")) {
			my $key = parse_key(<KEY>);
			$keys{$key}++ if $key;
			close(KEY);
		}
	}
	close (RPMS);
}

chdir KEYDIR or die "Couldn't chdir " . KEYDIR . "\n";

opendir DIR, '.' or die "Couldn't opendir .\n";

for my $file ( grep { m#^RPM-GPG-KEY# } readdir(DIR) )
{
    if(open(KEY, "$file")) {
		my $key = parse_key(<KEY>);
		next if $key && $keys{$key};
    }

    warn "Importing key $file\n";

    system("rpm", "--import", $file) == 0 or 
	warn "Couldn't rpm --import $file\n";
}

exit 0;