[bug#56690] [PATCH] gnu: seatd-service-type: Should use seat group.

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On Mon Aug 8, 2022 at 9:58 AM BST, Ludovic Courtès wrote:
> Is there a bug report, and do we have system tests for this
> functionality?

I don't believe there are system tests for greetd, no. There is
a bug report, though: <https://issues.guix.gnu.org/56971>.

> I admit I know little about greetd and cases where it might be used.

As I understand it, greetd is a daemon that handles the sensitive parts
of display managers, which it calls 'greeters'. It allows you to write a
login program without having to write those difficult and sensitive parts
by simply writing a GUI that sends JSON messages to the socket when it
gets input.

So the problem is some greeters try to talk to seatd, but since they
don't have the right permissions, they bail out.

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