services: Factorize define-maybe macro.
authorMathieu Othacehe <m.othacehe@gmail.com>
Fri, 24 Mar 2017 10:00:13 +0000 (11:00 +0100)
committerClément Lassieur <clement@lassieur.org>
Fri, 24 Mar 2017 15:09:17 +0000 (16:09 +0100)
commite7c797f3481a35905a5861059294815b2210f889
treec5c8b429789039af647def13fb77edef175f6aa1
parent32e75b4808c312f6ef99a2e200a75a0d056b60fe
services: Factorize define-maybe macro.

* gnu/services/configuration.scm (id): New procedure extracted from
define-configuration.
(define-maybe): New exported procedure, moved from messaging.scm.
* gnu/services/messaging.scm (define-maybe): Remove it.
(id): Move declaration inside define-all-configurations which is now
the only caller procedure.

Signed-off-by: Clément Lassieur <clement@lassieur.org>
gnu/services/configuration.scm
gnu/services/messaging.scm