How to silence gpg-agent?

[NIIBE Yutaka]

On 03/16/2016 06:06 AM, Dashamir Hoxha wrote:
> I have a problem that time after time I get output like this, which is
> somewhat unrelated to the operation performed and a bit confusing:
> 
> ----------
> gpg: checking the trustdb
> gpg: 3 marginal(s) needed, 1 complete(s) needed, PGP trust model
> gpg: depth: 0  valid:   1  signed:   3  trust: 0-, 0q, 0n, 0m, 0f, 1u
> gpg: depth: 1  valid:   3  signed:   0  trust: 2-, 0q, 0n, 0m, 1f, 0u
> gpg: next trustdb check due at 2017-01-05
> ----------
> 
> I believe that it comes from gpg-agent. I have tried to silence it, using
> the option '--quiet', but it seems not to work. Any idea what else I can
> try?

It is not gpg-agent which outputs this message, but gpg frontend
itself, as it says "gpg:".  GnuPG checks trustdb periodically.

You can stop it by --no-auto-check-trustdb option.
--