$c->stash->{narBase} = $c->uri_for($self->action_for("nar"), $c->req->captures);

sub nar : Chained('nix') PathPart {
    my ($self, $c, @rest) = @_;
    my $path .= "/" . join("/", @rest);

    error($c, "Path " . $path . " is no longer available.") unless isValidPath($path);

    # !!! check that $path is in the closure of $c->stash->{storePaths}.
    $c->stash->{current_view} = 'Hydra::View::NixNAR';
    $c->stash->{storePath} = $path;
}

}
sub nar :Local {
    my ($self, $c, @rest) = @_;
    my $path .= "/" . join("/", @rest);
    error($c, "Path " . $path . " is no longer available.") unless isValidPath($path);
    $c->stash->{current_view} = 'Hydra::View::NixNAR';
    $c->stash->{storePath} = $path;

        my $url = $c->uri_for('/nar' . $path);

        my $url = $c->stash->{narBase} . $path;