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services: herd: Remove workaround for Shepherd < 0.5.0.

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* gnu/services/herd.scm (load-services/safe): Remove workaround for
Shepherd < 0.5.0, released in 2018.
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Ludovic Courtès 2023-03-24 19:22:39 +01:00
parent 67a7eaa13d
commit 547965aa27
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1 changed files with 7 additions and 17 deletions
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24
gnu/services/herd.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016-2019, 2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016-2019, 2022-2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
@ -284,22 +284,12 @@ (define (load-services files)
(define (load-services/safe files)
"This is like 'load-services', but make sure only the subset of FILES that
can be safely reloaded is actually reloaded.
This is done to accommodate the Shepherd < 0.15.0 where services lacked the
'replacement' slot, and where 'register-services' would throw an exception
when passed a service with an already-registered name."
(eval-there `(let* ((services (map primitive-load ',files))
(slots (map slot-definition-name
(class-slots <service>)))
(can-replace? (memq 'replacement slots)))
(define (registered? service)
(not (null? (lookup-services (canonical-name service)))))
(apply register-services
(if can-replace?
services
(remove registered? services))))))
can be safely reloaded is actually reloaded."
(eval-there `(let ((services (map primitive-load ',files)))
;; Since version 0.5.0 of the Shepherd, registering a service
;; that has the same name as an already-registered service
;; makes it a "replacement" of that previous service.
(apply register-services services))))
(define* (start-service name #:optional (arguments '()))
(invoke-action name 'start arguments