;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Alex Kost <alezost@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu services lirc)
  #:use-module (gnu services)
  #:use-module (gnu packages lirc)
  #:use-module (guix monads)
  #:use-module (guix store)
  #:use-module (guix gexp)
  #:export (lirc-service))

;;; Commentary:
;;;
;;; LIRC services.
;;;
;;; Code:

(define* (lirc-service #:key (lirc lirc)
                       device driver config-file
                       (extra-options '()))
  "Return a service that runs @url{http://www.lirc.org,LIRC}, a daemon that
decodes infrared signals from remote controls.

The daemon will use specified @var{device}, @var{driver} and
@var{config-file} (configuration file name).

Finally, @var{extra-options} is a list of additional command-line options
passed to @command{lircd}."
  (with-monad %store-monad
    (return
     (service
      (provision '(lircd))
      (documentation "Run the LIRC daemon.")
      (requirement '(user-processes))
      (start #~(make-forkexec-constructor
                (list (string-append #$lirc "/sbin/lircd")
                      "--nodaemon"
                      #$@(if device
                             #~("--device" #$device)
                             #~())
                      #$@(if driver
                             #~("--driver" #$driver)
                             #~())
                      #$@(if config-file
                             #~(#$config-file)
                             #~())
                      #$@extra-options)))
      (stop #~(make-kill-destructor))
      (activate #~(begin
                    (use-modules (guix build utils))
                    (mkdir-p "/var/run/lirc")))))))

;;; lirc.scm ends here