Re: No daemon-reload or restart with %systemd_postun_with_restart

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Zbigniew Jędrzejewski-Szmek writes:

> > That the service is "oneshot" matters for the "restart" part. What
> > systemd actually does, is queue a "try-restart" job for the marked units.
> > Since this service is not running, that should become noop.
> > There seems to be a bug in the implementation though: try-restart always
> > restarts the unit → https://github.com/systemd/systemd/issues/22850.
>
> Are you saying that if it wasn't a oneshot service, it would get restarted?

No. I'm saying that oneshot services get restarted even if they shouldn't
due to a bug. So once you fix the path, I expect that you'll go from
no-restarts to sometimes-too-many-restarts ;)

Well, I got one restart in the bag, now. Whether I'll end up with too many restarts, that's something that only future will tell...

But this problem was very hard to see:

lrwxrwxrwx. 1 root root 7 Jul 21  2021 /lib → usr/lib

Having a package install its service file via /lib broke these triggers. And there was no outward sign that there was anything wrong. The service stops fine, and it starts just fine. Only a reload or a restart does not work and there's no blinking sign anywhere that tells you what's wrong, exactly.

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