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services: elogind: Rely on D-Bus activation.

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Previously elogind was explicitly spawned by the Shepherd.  Now it is
activated by dbus-daemon on demand.

* gnu/packages/freedesktop.scm (elogind)[arguments]: Add
'fix-service-file' phase.
* gnu/services/desktop.scm (elogind-shepherd-service): Remove.
(elogind-dbus-service): New procedure.
(elogind-service-type): Do not extend SHEPHERD-ROOT-SERVICE-TYPE.  Use
'elogind-dbus-service' for DBUS-ROOT-SERVICE-TYPE.
This commit is contained in:
Ludovic Courtès 2016-03-07 00:01:03 +01:00
parent ef8de9852e
commit 956ad60cad
2 changed files with 19 additions and 22 deletions
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14
gnu/packages/freedesktop.scm
View file

@ -2,7 +2,7 @@
;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
;;; Copyright © 2015 Andy Wingo <wingo@pobox.com>
;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 David Hashe <david.hashe@dhashe.com>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
@ -169,7 +169,17 @@ (define-public elogind
;; XXX: fail with:
;; src/shared/clean-ipc.c:315: undefined reference to `mq_unlink'
"LDFLAGS=-lrt")
#:make-flags '("PKTTYAGENT=/run/current-system/profile/bin/pkttyagent")))
#:make-flags '("PKTTYAGENT=/run/current-system/profile/bin/pkttyagent")
#:phases (modify-phases %standard-phases
(add-before 'build 'fix-service-file
(lambda* (#:key outputs #:allow-other-keys)
;; Fix the file name of the 'elogind' binary in the D-Bus
;; '.service' file.
(substitute* "src/login/org.freedesktop.login1.service"
(("^Exec=.*")
(string-append "Exec=" (assoc-ref %outputs "out")
"/libexec/elogind/elogind\n"))))))))
(native-inputs
`(("intltool" ,intltool)
("gettext" ,gnu-gettext)

27
gnu/services/desktop.scm
View file

@ -647,22 +647,11 @@ (define-syntax-rule (ini-file config file clause ...)
("HybridSleepState" (sleep-list elogind-hybrid-sleep-state))
("HybridSleepMode" (sleep-list elogind-hybrid-sleep-mode))))
(define (elogind-shepherd-service config)
"Return a shepherd service for elogind, using @var{config}."
;; TODO: We could probably rely on service activation but the '.service'
;; file currently contains an erroneous 'Exec' line.
(let ((config-file (elogind-configuration-file config))
(elogind (elogind-package config)))
(list (shepherd-service
(documentation "Run the elogind login and seat management service.")
(provision '(elogind))
(requirement '(dbus-system))
(start #~(make-forkexec-constructor
(list (string-append #$elogind "/libexec/elogind/elogind"))
#:environment-variables
(list (string-append "ELOGIND_CONF_FILE=" #$config-file))))
(stop #~(make-kill-destructor))))))
(define (elogind-dbus-service config)
(list (wrapped-dbus-service (elogind-package config)
"libexec/elogind/elogind"
"ELOGIND_CONF_FILE"
(elogind-configuration-file config))))
(define (pam-extension-procedure config)
"Return an extension for PAM-ROOT-SERVICE-TYPE that ensures that all the PAM
@ -683,10 +672,8 @@ (module #~(string-append #$(elogind-package config)
(define elogind-service-type
(service-type (name 'elogind)
(extensions
(list (service-extension shepherd-root-service-type
elogind-shepherd-service)
(service-extension dbus-root-service-type
(compose list elogind-package))
(list (service-extension dbus-root-service-type
elogind-dbus-service)
(service-extension udev-service-type
(compose list elogind-package))
(service-extension polkit-service-type