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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
;;;
;;; 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 bootloader)
#:use-module (guix discovery)
#:use-module (guix records)
#:use-module (guix ui)
#:use-module (srfi srfi-1)
#:export (menu-entry
menu-entry?
menu-entry-label
menu-entry-device
menu-entry-linux
menu-entry-linux-arguments
menu-entry-initrd
menu-entry-device-mount-point
bootloader
bootloader?
bootloader-name
bootloader-package
bootloader-installer
bootloader-configuration-file
bootloader-configuration-file-generator
bootloader-configuration
bootloader-configuration?
bootloader-configuration-bootloader
bootloader-configuration-target
bootloader-configuration-menu-entries
bootloader-configuration-default-entry
bootloader-configuration-timeout
bootloader-configuration-theme
bootloader-configuration-terminal-outputs
bootloader-configuration-terminal-inputs
bootloader-configuration-serial-unit
bootloader-configuration-serial-speed
bootloader-configuration-additional-configuration
%bootloaders
lookup-bootloader-by-name))
;;;
;;; Menu-entry record.
;;;
(define-record-type* <menu-entry>
menu-entry make-menu-entry
menu-entry?
(label menu-entry-label)
(device menu-entry-device ; file system uuid, label, or #f
(default #f))
(device-mount-point menu-entry-device-mount-point
(default #f))
(linux menu-entry-linux)
(linux-arguments menu-entry-linux-arguments
(default '())) ; list of string-valued gexps
(initrd menu-entry-initrd)) ; file name of the initrd as a gexp
;;;
;;; Bootloader record.
;;;
;; The <bootloader> record contains fields expressing how the bootloader
;; should be installed. Every bootloader in gnu/bootloader/ directory
;; has to be described by this record.
(define-record-type* <bootloader>
bootloader make-bootloader
bootloader?
(name bootloader-name)
(package bootloader-package)
(installer bootloader-installer)
(configuration-file bootloader-configuration-file)
(configuration-file-generator bootloader-configuration-file-generator))
;;;
;;; Bootloader configuration record.
;;;
;; The <bootloader-configuration> record contains bootloader independant
;; configuration used to fill bootloader configuration file.
(define-record-type* <bootloader-configuration>
bootloader-configuration make-bootloader-configuration
bootloader-configuration?
(bootloader bootloader-configuration-bootloader) ; <bootloader>
(device bootloader-configuration-device ; string
(default #f))
(target %bootloader-configuration-target ; string
(default #f))
(menu-entries bootloader-configuration-menu-entries ; list of <boot-parameters>
(default '()))
(default-entry bootloader-configuration-default-entry ; integer
(default 0))
(timeout bootloader-configuration-timeout ; seconds as integer
(default 5))
(theme bootloader-configuration-theme ; bootloader-specific theme
(default #f))
(terminal-outputs bootloader-configuration-terminal-outputs ; list of symbols
(default '(gfxterm)))
(terminal-inputs bootloader-configuration-terminal-inputs ; list of symbols
(default '()))
(serial-unit bootloader-configuration-serial-unit ; integer | #f
(default #f))
(serial-speed bootloader-configuration-serial-speed ; integer | #f
(default #f))
(additional-configuration bootloader-configuration-additional-configuration ; record
(default #f)))
(define (bootloader-configuration-target config)
(or (%bootloader-configuration-target config)
(let ((device (bootloader-configuration-device config)))
(when device
(warning
(G_ "The 'device' field of bootloader configurations is deprecated.~%"))
(warning (G_ "Use 'target' instead.~%")))
device)))
;;;
;;; Bootloaders.
;;;
(define (bootloader-modules)
"Return the list of bootloader modules."
(all-modules (map (lambda (entry)
`(,entry . "gnu/bootloader"))
%load-path)
#:warn warn-about-load-error))
(define %bootloaders
;; The list of publically-known bootloaders.
(delay (fold-module-public-variables (lambda (obj result)
(if (bootloader? obj)
(cons obj result)
result))
'()
(bootloader-modules))))
(define (lookup-bootloader-by-name name)
"Return the bootloader called NAME."
(or (find (lambda (bootloader)
(eq? name (bootloader-name bootloader)))
(force %bootloaders))
(leave (G_ "~a: no such bootloader~%") name)))
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