examples: Avoid 'modify-services' to remove GDM.

This led to a 'tests/guix-system.sh' failure on aarch64-linux:

  …/plasma.tmpl:60:13: error: modify-services: service 'gdm' not found in service list

This is because 'gdm-service-type' is not among %DESKTOP-SERVICES on
that architecture.

* gnu/system/examples/plasma.tmpl (services): Use 'remove' rather
'modify-services' + 'delete'.
This commit is contained in:
Ludovic Courtès 2023-08-21 22:34:00 +02:00
parent b08178a053
commit cf28f46930
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@ -1,7 +1,7 @@
;; This is an operating system configuration template
;; for a "desktop" setup with Plasma.
(use-modules (gnu) (gnu system nss))
(use-modules (gnu) (gnu system nss) (srfi srfi-1))
(use-service-modules desktop sddm xorg ssh)
(use-package-modules certs gnome ssh admin fonts)
(use-package-modules qt xorg tmux linux)
@ -57,8 +57,12 @@
(service sddm-service-type
(sddm-configuration
(theme "breeze")))
(modify-services %desktop-services
(delete gdm-service-type))))
;; Remove GDM if it's among %DESKTOP-SERVICES (on some
;; architectures it's not there).
(remove (lambda (service)
(eq? (service-kind service) gdm-service-type))
%desktop-services)))
;; Allow resolution of '.local' host names with mDNS.
(name-service-switch %mdns-host-lookup-nss))