Hi,

Reza Alizadeh Majd <r.majd@pantherx.org> writes:

[…]

> using above snippet, I realized that the only group which is set to
> `#:group` parameter of `make-forkexec-constructor` (`users` in this
> test) is available for service.

Addional groups which could be specified via ‘supplementary-groups’ will
be available for processes launched as services after Shepherd's next
release with merged patch https://issues.guix.info/41573

Oleg.