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-rw-r--r--gnu/services/desktop.scm28
1 files changed, 26 insertions, 2 deletions
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index dec1c3fa0f..9dcdf38be1 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016 Sou Bunnbu <iyzsong@gmail.com>
@@ -110,6 +110,7 @@
accountsservice-service
cups-pk-helper-service-type
+ sane-service-type
gnome-desktop-configuration
gnome-desktop-configuration?
@@ -838,6 +839,29 @@ accountsservice web site} for more information."
;;;
+;;; Scanner access via SANE.
+;;;
+
+(define %sane-accounts
+ ;; The '60-libsane.rules' udev rules refers to the "scanner" group.
+ (list (user-group (name "scanner") (system? #t))))
+
+(define sane-service-type
+ (service-type
+ (name 'sane)
+ (description
+ "This service provides access to scanners @i{via}
+@uref{http://www.sane-project.org, SANE} by installing the necessary udev
+rules.")
+ (default-value sane-backends-minimal)
+ (extensions
+ (list (service-extension udev-service-type list)
+ (service-extension account-service-type
+ (const %sane-accounts))))))
+
+
+
+;;;
;;; GNOME desktop service.
;;;
@@ -1156,7 +1180,7 @@ or setting its password with passwd.")))
;; them.
(simple-service 'mtp udev-service-type (list libmtp))
;; Add udev rules for scanners.
- (simple-service 'sane udev-service-type (list sane-backends-minimal))
+ (service sane-service-type)
;; Add polkit rules, so that non-root users in the wheel group can
;; perform administrative tasks (similar to "sudo").
polkit-wheel-service