if ($code == 404 && $ctx->{www} && !$ctx->{_coderepo_tried}++) {
my $wcb = delete $ctx->{env}->{'qspawn.wcb'};
$ctx->{env}->{'plack.skip-deflater'} = 1; # prevent 2x gzip
+ $ctx->{env}->{'qspawn.fallback'} = $code;
my $res = $ctx->{www}->coderepo->srv($ctx);
# for ->psgi_return_init_cb
$ctx->{env}->{'qspawn.wcb'} = $wcb;