$tree->fid('job_log')->edit_href(sub{$_ .= "&private=$args{private}"}) if $args{private};
$tree->fid('solution')->detach unless $args{solution};
$_->detach for $tree->fclass('rc'); # requires contest
$tree->fid('job_log')->edit_href(sub{$_ .= "&private=$args{private}"}) if $args{private};
$tree->fid('solution')->detach unless $args{solution};
$_->detach for $tree->fclass('rc'); # requires contest