<%ONCE>
my $squisher;
</%ONCE>
<%INIT>
my $arg = $m->dhandler_arg;
my $path;
if ( $arg =~ m{^(.*)-squished(\.[^\.]+)$} ) {
    $path = $m->current_comp->dir_path .'/'. $1 . $2;
}
else {
    return $m->decline;
}

$squisher = new RT::CSS::Squish unless $squisher;
$squisher->{'mason'} = $m;

$m->out( $squisher->concatenate( $path ) );

package RT::CSS::Squish;
use CSS::Squish '0.06';
use base qw(CSS::Squish);
sub file_handle {
    my $self = shift;
    my $file = shift;
    my $content = $self->{'mason'}->scomp($file);
    open my $fh, '<', \$content or die "$!";
    return $fh;
}

</%INIT>