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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 dmd)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (gnu services)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (dmd-configuration-file))
;;; Commentary:
;;;
;;; Instantiating system services as a dmd configuration file.
;;;
;;; Code:
(define (dmd-configuration-file services)
"Return the dmd configuration file for SERVICES."
(define modules
;; Extra modules visible to dmd.conf.
'((guix build syscalls)
(guix build linux-initrd)
(guix build utils)))
(mlet %store-monad ((modules (imported-modules modules))
(compiled (compiled-modules modules)))
(define config
#~(begin
(eval-when (expand load eval)
(set! %load-path (cons #$modules %load-path))
(set! %load-compiled-path
(cons #$compiled %load-compiled-path)))
(use-modules (ice-9 ftw)
(guix build syscalls)
((guix build linux-initrd)
#:select (check-file-system)))
(register-services
#$@(map (lambda (service)
#~(make <service>
#:docstring '#$(service-documentation service)
#:provides '#$(service-provision service)
#:requires '#$(service-requirement service)
#:respawn? '#$(service-respawn? service)
#:start #$(service-start service)
#:stop #$(service-stop service)))
services))
;; guix-daemon 0.6 aborts if 'PATH' is undefined, so work around it.
(setenv "PATH" "/run/current-system/bin")
(format #t "starting services...~%")
(for-each start '#$(append-map service-provision services))))
(gexp->file "dmd.conf" config)))
;;; dmd.scm ends here
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