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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@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 hurd)
#:use-module (gnu packages admin)
#:use-module (gnu packages hurd)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu system)
#:use-module (guix gexp)
#:use-module (guix records)
#:export (hurd-console-configuration
hurd-console-service-type
hurd-getty-configuration
hurd-getty-service-type))
;;; Commentary:
;;;
;;; This module implements services for the Hurd.
;;;
;;; Code:
;;;
;;; The Hurd VGA console service.
;;;
(define-record-type* <hurd-console-configuration>
hurd-console-configuration make-hurd-console-configuration
hurd-console-configuration?
(hurd hurd-console-configuration-hurd ;package
(default hurd)))
(define (hurd-console-shepherd-service config)
"Return a <shepherd-service> for a Hurd VGA console with CONFIG."
(define console-command
#~(list
(string-append #$(hurd-console-configuration-hurd config) "/bin/console")
"-c" "/dev/vcs"
"-d" "vga"
"-d" "pc_kbd"
"-d" "generic_speaker"))
(list (shepherd-service
(documentation "Run the Hurd’s VGA console client.")
(provision '(console))
(requirement '(user-processes))
(start #~(make-forkexec-constructor #$console-command))
(stop #~(make-kill-destructor)))))
(define hurd-console-service-type
(service-type
(name 'console)
(description "Run the Hurd console client.")
(extensions
(list (service-extension shepherd-root-service-type
hurd-console-shepherd-service)))
(default-value (hurd-console-configuration))))
;;;
;;; The Hurd getty service.
;;;
(define-record-type* <hurd-getty-configuration>
hurd-getty-configuration make-hurd-getty-configuration
hurd-getty-configuration?
(hurd hurd-getty-configuration-hurd ;<package>
(default hurd))
(tty hurd-getty-configuration-tty) ;string
(baud-rate hurd-getty-configuration-baud-rate
(default 38400))) ;integer
(define (hurd-getty-shepherd-service config)
"Return a <shepherd-service> for a Hurd getty with CONFIG."
(let ((hurd (hurd-getty-configuration-hurd config))
(tty (hurd-getty-configuration-tty config))
(baud-rate (hurd-getty-configuration-baud-rate config)))
(define getty-command
#~(list
(string-append #$hurd "/libexec/getty")
#$(number->string baud-rate)
#$tty))
(list
(shepherd-service
(documentation "Run getty on a tty.")
(provision (list (string->symbol (string-append "term-" tty))))
(requirement '(user-processes console))
(start #~(make-forkexec-constructor #$getty-command))
(stop #~(make-kill-destructor))))))
(define hurd-getty-service-type
(service-type
(name 'getty)
(extensions (list (service-extension shepherd-root-service-type
hurd-getty-shepherd-service)))
(description
"Provide console login using the Hurd @command{getty} program.")))
(define* (hurd-getty-service config)
"Return a service to run the Hurd getty according to @var{config}, which
specifies the tty to run, among other things."
(service hurd-getty-service-type config))
;;; hurd.scm ends here
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