my @containers;
- do {
- push @containers, $self->container_hash->{$namespace};
- } while ( $namespace =~ s#/[^/]+$## );
+ if ( length $namespace ) {
+ do {
+ push @containers, $self->container_hash->{$namespace};
+ } while ( $namespace =~ s#/[^/]+$## );
+ }
return reverse grep { defined } @containers, $self->container_hash->{''};