This patch implements restic backup with Shepherd services. It is
supposed not to break any existing setup.
* gnu/services/backup.scm (restic-backup-job): Add Shepherd
configuration options;
(restic-backup-job->mcron-job): Replace with...;
(restic-job-log-file): New procedure;
(restic-backup-job->shepherd-service): New procedure;
(restic-backup-activation): New procedure;
(restic-backup-service-type): Replace mcron with Shepherd extension and add
activation extension hook.
* doc/guix.texi: Document it.
Change-Id: I66de3b6a1cb6177f9e4ee0c2acf3013ecbcdd338
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
35c6ae6e58