Hi Guix,
At present it is possible to extend service-types that do not implement
compose or extend methods, resulting in surprising behavior that's hard
to debug [1]. We should throw an error when a service-type that does not
have compose or extend fields is extended.
--8<---------------cut here---------------start------------->8---
(use-modules (gnu home)
(gnu home services)
(gnu home services desktop)
(gnu services))
(home-environment
(services
(list
;; home-redshift-service-type does not support extensions
(simple-service 'this-should-error home-redshift-service-type
"According to all known laws of aviation..."))))
--8<---------------cut here---------------end--------------->8---
[1]: https://lists.gnu.org/archive/html/help-guix/2024-07/msg00000.html
--
Take it easy,
Richard Sent
Making my computer weirder one commit at a time.
