#!/usr/bin/perl
# rpm helper scriptlet to remove a syslog entry (sysklogd and syslog-ng)
# $Id$
use strict;

die <<EOF if @ARGV < 2;
usage: $0 <pkg> <nb>
EOF
my ($package, $number) = @ARGV;

# don't do anything for upgrade
exit(0) if $number == 1;

open(my $fh, '<', '/etc/mandriva-release')
    or die "can't open /etc/mandriva-release: $!";
my $line = <$fh>;
$line =~ /^Mandriva Linux release (\d\d\d\d\.\d)/;
my $release = $1;
close($fh);

if (version->parse($release) < version->parse("2010.1")) {
    del_sysklogd_entry($package);
} else {
    del_rsyslog_entry($package);
}

sub del_sysklogd_entry {

    my $file = "/etc/syslog.conf";
    my $content;
    open(my $in, '<', $file)
        or die "Can't open $file for reading: $!";
    while (my $line = <$in>) {
        if ($line =~ /^# BEGIN: Automatically added by $package installation$/) {
            while ($line = <$in>) {
                last if $line =~ /^# END$/;
            }
        } else {
            $content .= $line;
        }
    }

    open(my $out, '>', $file)
        or die "Can't open $file for writing: $!";
    print $out $content;
    close($out);

    system(qw/service syslog condrestart/);
}

sub del_rsyslog_entry {

    my $file = "/etc/rsyslog.d/$package.conf";

    # check the file is the one created by package installation
    open(my $in, '<', $file)
        or die "Can't open $file for reading: $!";
    my $line = <$in>;
    close($in);
    return if $line ne "# Automatically added by $package installation\n";

    unlink $file
        or die "Can't delete $file: $!";
    system(qw/service rsyslog condrestart/);
}