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-rw-r--r--gnu/services/base.scm24
1 files changed, 23 insertions, 1 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index a532e884c3..3a772d3121 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -12,6 +12,7 @@
;;; Copyright © 2019 John Soo <jsoo1@asu.edu>
;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
+;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -92,6 +93,7 @@
udev-service
udev-rule
file->udev-rule
+ udev-rules-service
login-configuration
login-configuration?
@@ -557,7 +559,7 @@ down.")))
(documentation "Add TRNG to entropy pool.")
(requirement '(udev))
(provision '(trng))
- (start #~(make-forkexec-constructor #$@rngd-command))
+ (start #~(make-forkexec-constructor '#$rngd-command))
(stop #~(make-kill-destructor))))))
(define* (rngd-service #:key
@@ -2042,6 +2044,26 @@ extra rules from the packages listed in @var{rules}."
(service udev-service-type
(udev-configuration (udev udev) (rules rules))))
+(define* (udev-rules-service name rules #:key (groups '()))
+ "Return a service that extends udev-service-type with RULES and
+account-service-type with GROUPS as system groups. This works by creating a
+singleton service type NAME-udev-rules, of which the returned service is an
+instance."
+ (let* ((name (symbol-append name '-udev-rules))
+ (account-extension
+ (const (map (lambda (group)
+ (user-group (name group) (system? #t)))
+ groups)))
+ (udev-extension (const (list rules)))
+ (type (service-type
+ (name name)
+ (extensions (list
+ (service-extension
+ account-service-type account-extension)
+ (service-extension
+ udev-service-type udev-extension))))))
+ (service type #f)))
+
(define swap-service-type
(shepherd-service-type
'swap