sub logfileForBuild {
    my ($id) = @_;
    return getcwd . "/logs/" . $id;
}

                unlink(logfileForBuild $job->id);

                my $logfile = getcwd . "/logs/" . $job->id;
                unlink($logfile);

            my $logfile = $job->schedulingInfo->logfile;

                my $logfile = logfileForBuild $job->id;