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https://git.in.rschanz.org/ryan77627/guix.git
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d5b429abda
* gnu/system/grub.scm (<grub-configuration>): New record type. (grub-configuration-file): Add 'config' parameter; remove #:default-entry and #:timeout. Honor CONFIG. * gnu/system.scm (<operating-system>): Remove 'bootloader-entries' field; remove default value for 'bootloader' field. (operating-system-grub.cfg): Pass the 'bootloader' field to 'grub-configuration-file'. * build-aux/hydra/demo-os.scm (bootloader): New field.
100 lines
3.3 KiB
Scheme
100 lines
3.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu system grub)
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#:use-module (guix store)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix records)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:export (grub-configuration
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grub-configuration?
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grub-configuration-device
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menu-entry
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menu-entry?
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grub-configuration-file))
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;;; Commentary:
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;;;
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;;; Configuration of GNU GRUB.
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;;;
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;;; Code:
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(define-record-type* <grub-configuration>
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grub-configuration make-grub-configuration
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grub-configuration?
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(grub grub-configuration-grub ; package
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(default (@ (gnu packages grub) grub)))
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(device grub-configuration-device) ; string
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(menu-entries grub-configuration-menu-entries ; list
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(default '()))
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(default-entry grub-configuration-default-entry ; integer
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(default 1))
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(timeout grub-configuration-timeout ; integer
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(default 5)))
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(define-record-type* <menu-entry>
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menu-entry make-menu-entry
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menu-entry?
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(label menu-entry-label)
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(linux menu-entry-linux)
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(linux-arguments menu-entry-linux-arguments
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(default '())) ; list of string-valued gexps
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(initrd menu-entry-initrd)) ; file name of the initrd as a gexp
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(define* (grub-configuration-file config entries
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#:key (system (%current-system)))
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"Return the GRUB configuration file corresponding to CONFIG, a
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<grub-configuration> object."
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(define all-entries
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(append entries (grub-configuration-menu-entries config)))
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(define entry->gexp
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(match-lambda
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(($ <menu-entry> label linux arguments initrd)
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#~(format port "menuentry ~s {
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linux ~a/bzImage ~a
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initrd ~a
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}~%"
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#$label
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#$linux (string-join (list #$@arguments))
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#$initrd))))
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(define builder
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#~(call-with-output-file #$output
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(lambda (port)
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(format port "
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set default=~a
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set timeout=~a
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search.file ~a/bzImage~%"
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#$(grub-configuration-default-entry config)
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#$(grub-configuration-timeout config)
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#$(any (match-lambda
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(($ <menu-entry> _ linux)
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linux))
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all-entries))
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#$@(map entry->gexp all-entries))))
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(gexp->derivation "grub.cfg" builder))
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;;; grub.scm ends here
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