futurile/guix-play
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

services: Define 'for-home'.

Browse Source 
* gnu/services.scm (remove-service-extensions): New procedure.
(for-home?): New syntax parameter.
(for-home): New macro.
This commit is contained in:
Ludovic Courtès 2023-08-06 18:23:54 +02:00
parent c6c8106c65
commit dff7d2468f
No known key found for this signature in database
GPG Key ID: 090B11993D9AEBB5
1 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
gnu/services.scm
View File

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015-2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2020, 2021 Ricardo Wurmus <rekado@elephly.net>
@ -86,6 +86,10 @@
instantiate-missing-services
fold-services
remove-service-extensions
for-home
for-home?
service-error?
missing-value-service-error?
missing-value-service-error-type
@ -1225,4 +1229,23 @@ TARGET-TYPE; return the root service adjusted accordingly."
(G_ "more than one target service of type '~a'")
(service-type-name target-type)))))))))
(define (remove-service-extensions type lst)
"Return TYPE, a service type, without any of the service extensions
targeting one of the types in LST."
(service-type
(inherit type)
(extensions (remove (lambda (extension)
(memq (service-extension-target extension) lst))
(service-type-extensions type)))))
(define-syntax-parameter for-home?
;; Whether the configuration being defined is for a Home service.
(identifier-syntax #f))
(define-syntax-rule (for-home exp ...)
"Mark EXP, which typically defines a service configuration, as targeting a
Home service rather than a System service."
(syntax-parameterize ((for-home? (identifier-syntax #t)))
exp ...))
;;; services.scm ends here.