382 lines
16 KiB
Scheme
382 lines
16 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2017 David Craven <david@craven.ch>
|
||
;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
|
||
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
|
||
;;; Copyright © 2019, 2021 Ludovic Courtès <ludo@gnu.org>
|
||
;;; 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 bootloader)
|
||
#:use-module (guix discovery)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix profiles)
|
||
#:use-module (guix records)
|
||
#:use-module (guix deprecation)
|
||
#:use-module ((guix ui) #:select (warn-about-load-error))
|
||
#:use-module (guix diagnostics)
|
||
#:use-module (guix i18n)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (ice-9 match)
|
||
#: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
|
||
menu-entry-multiboot-kernel
|
||
menu-entry-multiboot-arguments
|
||
menu-entry-multiboot-modules
|
||
|
||
menu-entry->sexp
|
||
sexp->menu-entry
|
||
|
||
bootloader
|
||
bootloader?
|
||
bootloader-name
|
||
bootloader-package
|
||
bootloader-installer
|
||
bootloader-disk-image-installer
|
||
bootloader-configuration-file
|
||
bootloader-configuration-file-generator
|
||
|
||
bootloader-configuration
|
||
bootloader-configuration?
|
||
bootloader-configuration-bootloader
|
||
bootloader-configuration-target ;deprecated
|
||
bootloader-configuration-targets
|
||
bootloader-configuration-menu-entries
|
||
bootloader-configuration-default-entry
|
||
bootloader-configuration-timeout
|
||
bootloader-configuration-keyboard-layout
|
||
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
|
||
|
||
efi-bootloader-chain))
|
||
|
||
|
||
;;;
|
||
;;; 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
|
||
(default #f))
|
||
(linux-arguments menu-entry-linux-arguments
|
||
(default '())) ; list of string-valued gexps
|
||
(initrd menu-entry-initrd ; file name of the initrd as a gexp
|
||
(default #f))
|
||
(multiboot-kernel menu-entry-multiboot-kernel
|
||
(default #f))
|
||
(multiboot-arguments menu-entry-multiboot-arguments
|
||
(default '())) ; list of string-valued gexps
|
||
(multiboot-modules menu-entry-multiboot-modules
|
||
(default '()))) ; list of multiboot commands, where
|
||
; a command is a list of <string>
|
||
|
||
(define (menu-entry->sexp entry)
|
||
"Return ENTRY serialized as an sexp."
|
||
(match entry
|
||
(($ <menu-entry> label device mount-point linux linux-arguments initrd #f
|
||
())
|
||
`(menu-entry (version 0)
|
||
(label ,label)
|
||
(device ,device)
|
||
(device-mount-point ,mount-point)
|
||
(linux ,linux)
|
||
(linux-arguments ,linux-arguments)
|
||
(initrd ,initrd)))
|
||
(($ <menu-entry> label device mount-point #f () #f
|
||
multiboot-kernel multiboot-arguments multiboot-modules)
|
||
`(menu-entry (version 0)
|
||
(label ,label)
|
||
(device ,device)
|
||
(device-mount-point ,mount-point)
|
||
(multiboot-kernel ,multiboot-kernel)
|
||
(multiboot-arguments ,multiboot-arguments)
|
||
(multiboot-modules ,multiboot-modules)))))
|
||
|
||
(define (sexp->menu-entry sexp)
|
||
"Turn SEXP, an sexp as returned by 'menu-entry->sexp', into a <menu-entry>
|
||
record."
|
||
(match sexp
|
||
(('menu-entry ('version 0)
|
||
('label label) ('device device)
|
||
('device-mount-point mount-point)
|
||
('linux linux) ('linux-arguments linux-arguments)
|
||
('initrd initrd) _ ...)
|
||
(menu-entry
|
||
(label label)
|
||
(device device)
|
||
(device-mount-point mount-point)
|
||
(linux linux)
|
||
(linux-arguments linux-arguments)
|
||
(initrd initrd)))
|
||
(('menu-entry ('version 0)
|
||
('label label) ('device device)
|
||
('device-mount-point mount-point)
|
||
('multiboot-kernel multiboot-kernel)
|
||
('multiboot-arguments multiboot-arguments)
|
||
('multiboot-modules multiboot-modules) _ ...)
|
||
(menu-entry
|
||
(label label)
|
||
(device device)
|
||
(device-mount-point mount-point)
|
||
(multiboot-kernel multiboot-kernel)
|
||
(multiboot-arguments multiboot-arguments)
|
||
(multiboot-modules multiboot-modules)))))
|
||
|
||
|
||
;;;
|
||
;;; 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)
|
||
(disk-image-installer bootloader-disk-image-installer
|
||
(default #f))
|
||
(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-syntax-rule (warn-target-field-deprecation value)
|
||
(%warn-target-field-deprecation value (current-source-location)))
|
||
|
||
(define-record-type* <bootloader-configuration>
|
||
bootloader-configuration make-bootloader-configuration
|
||
bootloader-configuration?
|
||
(bootloader bootloader-configuration-bootloader) ;<bootloader>
|
||
(targets %bootloader-configuration-targets ;list of strings
|
||
(default #f))
|
||
(target %bootloader-configuration-target ;deprecated
|
||
(default #f) (sanitize warn-target-field-deprecation))
|
||
(menu-entries bootloader-configuration-menu-entries ;list of <menu-entry>
|
||
(default '()))
|
||
(default-entry bootloader-configuration-default-entry ;integer
|
||
(default 0))
|
||
(timeout bootloader-configuration-timeout ;seconds as integer
|
||
(default 5))
|
||
(keyboard-layout bootloader-configuration-keyboard-layout ;<keyboard-layout> | #f
|
||
(default #f))
|
||
(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)))
|
||
|
||
(define (%warn-target-field-deprecation value location)
|
||
(when value
|
||
(warning (source-properties->location location)
|
||
(G_ "the 'target' field is deprecated, please use 'targets' \
|
||
instead~%")))
|
||
value)
|
||
|
||
(define-deprecated (bootloader-configuration-target config)
|
||
bootloader-configuration-targets
|
||
(%bootloader-configuration-target config))
|
||
|
||
(define (bootloader-configuration-targets config)
|
||
(or (%bootloader-configuration-targets config)
|
||
;; TODO: Remove after the deprecated 'target' field is removed.
|
||
(list (%bootloader-configuration-target config))
|
||
;; XXX: At least the GRUB installer (see (gnu bootloader grub)) has this
|
||
;; peculiar behavior of installing fonts and GRUB modules when DEVICE is #f,
|
||
;; hence the default value of '(#f) rather than '().
|
||
(list #f)))
|
||
|
||
|
||
;;;
|
||
;;; 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)))
|
||
|
||
(define (efi-bootloader-profile files bootloader-package hooks)
|
||
"Creates a profile with BOOTLOADER-PACKAGE and a directory collection/ with
|
||
links to additional FILES from the store. This collection is meant to be used
|
||
by the bootloader installer.
|
||
|
||
FILES is a list of file or directory names from the store, which will be
|
||
symlinked into the collection/ directory. If a directory name ends with '/',
|
||
then the directory content instead of the directory itself will be symlinked
|
||
into the collection/ directory.
|
||
|
||
FILES may contain file like objects produced by functions like plain-file,
|
||
local-file, etc., or package contents produced with file-append.
|
||
|
||
HOOKS lists additional hook functions to modify the profile."
|
||
(define (bootloader-collection manifest)
|
||
(define build
|
||
(with-imported-modules '((guix build utils)
|
||
(ice-9 ftw)
|
||
(srfi srfi-1)
|
||
(srfi srfi-26))
|
||
#~(begin
|
||
(use-modules ((guix build utils)
|
||
#:select (mkdir-p strip-store-file-name))
|
||
((ice-9 ftw)
|
||
#:select (scandir))
|
||
((srfi srfi-1)
|
||
#:select (append-map every remove))
|
||
((srfi srfi-26)
|
||
#:select (cut)))
|
||
(define (symlink-to file directory transform)
|
||
"Creates a symlink to FILE named (TRANSFORM FILE) in DIRECTORY."
|
||
(symlink file (string-append directory "/" (transform file))))
|
||
(define (directory-content directory)
|
||
"Creates a list of absolute path names inside DIRECTORY."
|
||
(map (lambda (name)
|
||
(string-append directory name))
|
||
(or (scandir directory (lambda (name)
|
||
(not (member name '("." "..")))))
|
||
'())))
|
||
(define name-ends-with-/? (cut string-suffix? "/" <>))
|
||
(define (name-is-store-entry? name)
|
||
"Return #t if NAME is a direct store entry and nothing inside."
|
||
(not (string-index (strip-store-file-name name) #\/)))
|
||
(let* ((collection (string-append #$output "/collection"))
|
||
(files '#$files)
|
||
(directories (filter name-ends-with-/? files))
|
||
(names-from-directories
|
||
(append-map (lambda (directory)
|
||
(directory-content directory))
|
||
directories))
|
||
(names (append names-from-directories
|
||
(remove name-ends-with-/? files))))
|
||
(mkdir-p collection)
|
||
(if (every file-exists? names)
|
||
(begin
|
||
(for-each (lambda (name)
|
||
(symlink-to name collection
|
||
(if (name-is-store-entry? name)
|
||
strip-store-file-name
|
||
basename)))
|
||
names)
|
||
#t)
|
||
#f)))))
|
||
|
||
(gexp->derivation "bootloader-collection"
|
||
build
|
||
#:local-build? #t
|
||
#:substitutable? #f
|
||
#:properties
|
||
`((type . profile-hook)
|
||
(hook . bootloader-collection))))
|
||
|
||
(profile (content (packages->manifest (list bootloader-package)))
|
||
(name "bootloader-profile")
|
||
(hooks (append (list bootloader-collection) hooks))
|
||
(locales? #f)
|
||
(allow-collisions? #f)
|
||
(relative-symlinks? #f)))
|
||
|
||
(define* (efi-bootloader-chain files
|
||
final-bootloader
|
||
#:key
|
||
(hooks '())
|
||
installer)
|
||
"Define a bootloader chain with FINAL-BOOTLOADER as the final bootloader and
|
||
certain directories and files from the store given in the list of FILES.
|
||
|
||
FILES may contain file like objects produced by functions like plain-file,
|
||
local-file, etc., or package contents produced with file-append. They will be
|
||
collected inside a directory collection/ inside a generated bootloader profile,
|
||
which will be passed to the INSTALLER.
|
||
|
||
If a directory name in FILES ends with '/', then the directory content instead
|
||
of the directory itself will be symlinked into the collection/ directory.
|
||
|
||
The procedures in the HOOKS list can be used to further modify the bootloader
|
||
profile. It is possible to pass a single function instead of a list.
|
||
|
||
If the INSTALLER argument is used, then this function will be called to install
|
||
the bootloader. Otherwise the installer of the FINAL-BOOTLOADER will be called."
|
||
(let* ((final-installer (or installer
|
||
(bootloader-installer final-bootloader)))
|
||
(profile (efi-bootloader-profile files
|
||
(bootloader-package final-bootloader)
|
||
(if (list? hooks)
|
||
hooks
|
||
(list hooks)))))
|
||
(bootloader
|
||
(inherit final-bootloader)
|
||
(package profile)
|
||
(installer
|
||
#~(lambda (bootloader target mount-point)
|
||
(#$final-installer bootloader target mount-point)
|
||
(copy-recursively
|
||
(string-append bootloader "/collection")
|
||
(string-append mount-point target)
|
||
#:follow-symlinks? #t
|
||
#:log (%make-void-port "w")))))))
|