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Add (gnu system keyboard).

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* gnu/system/keyboard.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu.scm (%public-modules): Add it.
This commit is contained in:
Ludovic Courtès 2019-03-19 21:32:13 +01:00
parent 91b6873b24
commit db1e2522f6
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3 changed files with 101 additions and 1 deletions
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3
gnu.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Joshua S. Grant <jgrant@parenthetical.io>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
@ -45,6 +45,7 @@ (define %public-modules
(gnu system file-systems)
(gnu bootloader)
(gnu bootloader grub)
(gnu system keyboard)
(gnu system pam)
(gnu system shadow) ; 'user-account'
(gnu system linux-initrd)

1
gnu/local.mk
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@ -538,6 +538,7 @@ GNU_SYSTEM_MODULES = \
%D%/system/accounts.scm \
%D%/system/file-systems.scm \
%D%/system/install.scm \
%D%/system/keyboard.scm \
%D%/system/linux-container.scm \
%D%/system/linux-initrd.scm \
%D%/system/locale.scm \

98
gnu/system/keyboard.scm Normal file
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@ -0,0 +1,98 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 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 system keyboard)
#:use-module (guix gexp)
#:use-module ((gnu packages xorg)
#:select (xkeyboard-config console-setup))
#:use-module (srfi srfi-9 gnu)
#:use-module (ice-9 match)
#:export (keyboard-layout?
keyboard-layout
keyboard-layout-name
keyboard-layout-variant
keyboard-layout-model
keyboard-layout-options
keyboard-layout->console-keymap))
;;; Commentary:
;;;
;;; This module provides a data structure to represent keyboard layouts
;;; according to the XKB naming and classification (see the 'xkeyboard-config'
;;; package).
;;;
;;; Code:
(define-immutable-record-type <keyboard-layout>
(%keyboard-layout name variant model options)
keyboard-layout?
(name keyboard-layout-name) ;string
(variant keyboard-layout-variant) ;#f | string
(model keyboard-layout-model) ;#f | string
(options keyboard-layout-options)) ;list of strings
(define* (keyboard-layout name #:optional variant
#:key model (options '()))
"Return a new keyboard layout with the given NAME and VARIANT.
NAME must be a string such as \"fr\"; VARIANT must be a string such as
\"bepo\" or \"nodeadkeys\". See the 'xkeyboard-config' package for valid
options."
(%keyboard-layout name variant model options))
(define* (keyboard-layout->console-keymap layout
#:key
(xkeyboard-config xkeyboard-config))
"Return a Linux console keymap file for LAYOUT, a <keyboard-layout> record.
Layout information is taken from the XKEYBOARD-CONFIG package."
(define build
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils)
(ice-9 popen)
(ice-9 match))
(define pipe
(open-pipe* OPEN_READ
#+(file-append console-setup "/bin/ckbcomp")
(string-append "-I"
#+(file-append xkeyboard-config
"/share/X11/xkb"))
"-rules" "base"
#$@(match (keyboard-layout-model layout)
(#f '())
(model `("-model" ,model)))
#$(keyboard-layout-name layout)
#$(or (keyboard-layout-variant layout)
"")
#$(string-join (keyboard-layout-options layout) ",")))
(call-with-output-file #$output
(lambda (output)
(dump-port pipe output)))
;; Note: ckbcomp errors out when the layout name is unknown, but
;; merely emits a warning when the variant is unknown.
(unless (zero? (close-pipe pipe))
(error "failed to create console keymap for keyboard layout"
#$(keyboard-layout-name layout))))))
(computed-file (string-append "console-keymap."
(keyboard-layout-name layout))
build))