Allow the user to specify scripts to be added into Elogind's hook
directories. These scripts will be run before/after
suspend/hibernate/poweroff/reboot.
Also allow setting the associated config options.
* gnu/services/desktop.scm (elogind-configuration): add
`system-sleep-hook-files`, `system-shutdown-hook-files`,
and 4 new config options.
(elogind-configuration-file): Add entries for the new config options
under the `[Sleep]` section.
(elogind-etc-directory): New procedure.
(elogind-service-type): Extend `etc-service-type` using `/etc/elogind`.
* doc/guix.texi (Desktop Services): Document the new options.
Change-Id: I7e22cbaa9d031049b9d085ba0ce4cc8a8b4f16ff
Reviewed-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>