01/02: Reinstate "services: elogind: Provide '%elogind-file-systems' by extension."

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 38c2b503545c7f214ff7670bd9f62bdebb59186d
Author: Ludovic Courtès <address@hidden>
Date:   Thu Sep 1 14:00:39 2016 +0200

    Reinstate "services: elogind: Provide '%elogind-file-systems' by extension."
    
    This reverts commit 17073dafc59d62fb8cbb8b94d61d3ecc488ac59f.
---
 gnu/services/desktop.scm    |    8 +++++++-
 gnu/system/file-systems.scm |    1 -
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index bf21707..df93bc8 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -27,6 +27,8 @@
   #:use-module (gnu services avahi)
   #:use-module (gnu services xorg)
   #:use-module (gnu services networking)
+  #:use-module ((gnu system file-systems)
+                #:select (%elogind-file-systems))
   #:use-module (gnu system shadow)
   #:use-module (gnu system pam)
   #:use-module (gnu packages glib)
@@ -760,7 +762,11 @@ seats.)"
 
                        ;; Extend PAM with pam_elogind.so.
                        (service-extension pam-root-service-type
-                                          pam-extension-procedure)))))
+                                          pam-extension-procedure)
+
+                       ;; We need /run/user, /run/systemd, etc.
+                       (service-extension file-system-service-type
+                                          (const %elogind-file-systems))))))
 
 (define* (elogind-service #:key (config (elogind-configuration)))
   "Return a service that runs the @command{elogind} login and seat management
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 116e281..0dc472e 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -257,7 +257,6 @@ TARGET in the other system."
   (append (list %pseudo-terminal-file-system
                 %shared-memory-file-system
                 %immutable-store)
-          %elogind-file-systems
           %control-groups))
 
 ;; File systems for Linux containers differ from %base-file-systems in that