gnupg on read-only filesystem

[Fourhundred Thecat]

> On 2017-10-10 15:48, Daniel Kahn Gillmor wrote:
>
>  You could try the following:
> 
>     export GNUPGHOME=$(mktemp -d)
>     gpg -d file.gpg
>     rm -rf "$GNUPGHOME"

thank you, that works.

But it still starts the gpg-agent.

How can I use gpg without the agent ?