my $devfd = $lei->path_to_fd($ovv->{dst}) // return;
$lei->{opt}->{augment} = 1 if $devfd < 0;
$self->prepare_inputs($lei, \@inputs) or return;
my $devfd = $lei->path_to_fd($ovv->{dst}) // return;
$lei->{opt}->{augment} = 1 if $devfd < 0;
$self->prepare_inputs($lei, \@inputs) or return;