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2023-08-25 | tests: guix-shell: Use bash instead of user's $SHELL.... | Josselin Poiret | |
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017, 2020, 2022 Mathieu Othacehe <othacehe@gnu.org>
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2019, 2021, 2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2022 Josselin Poiret <dev@jpoiret.xyz>
;;; Copyright © 2022 Reza Alizadeh Majd <r.majd@pantherx.org>
;;; Copyright © 2024 Tomas Volf <~@wolfsden.cz>
;;;
;;; 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 (gnu system file-systems)
#:use-module (gnu system uuid)
#: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 (srfi srfi-34)
#:use-module (srfi srfi-35)
#: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-chain-loader
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-device-tree-support?
bootloader-configuration-extra-initrd
%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>
(chain-loader menu-entry-chain-loader
(default #f))) ; string, path of efi file
(define (report-menu-entry-error menu-entry)
(raise
(condition
(&message
(message
(format #f (G_ "invalid menu-entry: ~a") menu-entry)))
(&fix-hint
(hint
(G_ "Please chose only one of:
@enumerate
@item direct boot by specifying fields @code{linux},
@code{linux-arguments} and @code{linux-modules},
@item multiboot by specifying fields @code{multiboot-kernel},
@code{multiboot-arguments} and @code{multiboot-modules},
@item chain-loader by specifying field @code{chain-loader}.
@end enumerate"))))))
(define (menu-entry->sexp entry)
"Return ENTRY serialized as an sexp."
(define (device->sexp device)
(match device
((? uuid? uuid)
`(uuid ,(uuid-type uuid) ,(uuid->string uuid)))
((? file-system-label? label)
`(label ,(file-system-label->string label)))
(_ device)))
(match entry
(($ <menu-entry> label device mount-point
(? identity linux) linux-arguments (? identity initrd)
#f () () #f)
`(menu-entry (version 0)
(label ,label)
(device ,(device->sexp device))
(device-mount-point ,mount-point)
(linux ,linux)
(linux-arguments ,linux-arguments)
(initrd ,initrd)))
(($ <menu-entry> label device mount-point #f () #f
(? identity multiboot-kernel) multiboot-arguments
multiboot-modules #f)
`(menu-entry (version 0)
(label ,label)
(device ,(device->sexp device))
(device-mount-point ,mount-point)
(multiboot-kernel ,multiboot-kernel)
(multiboot-arguments ,multiboot-arguments)
(multiboot-modules ,multiboot-modules)))
(($ <menu-entry> label device mount-point #f () #f #f () ()
(? identity chain-loader))
`(menu-entry (version 0)
(label ,label)
(device ,(device->sexp device))
(device-mount-point ,mount-point)
(chain-loader ,chain-loader)))
(_ (report-menu-entry-error entry))))
(define (sexp->menu-entry sexp)
"Turn SEXP, an sexp as returned by 'menu-entry->sexp', into a <menu-entry>
record."
(define (sexp->device device-sexp)
(match device-sexp
(('uuid type uuid-string)
(uuid uuid-string type))
(('label label)
(file-system-label label))
(_ device-sexp)))
(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 (sexp->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 (sexp->device device))
(device-mount-point mount-point)
(multiboot-kernel multiboot-kernel)
(multiboot-arguments multiboot-arguments)
(multiboot-modules multiboot-modules)))
(('menu-entry ('version 0)
('label label) ('device device)
('device-mount-point mount-point)
('chain-loader chain-loader) _ ...)
(menu-entry
(label label)
(device (sexp->device device))
(device-mount-point mount-point)
(chain-loader chain-loader)))))
;;;
;;; 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-with-syntax-properties (warn-target-field-deprecation
(value properties))
(when value
(warning (source-properties->location properties)
(G_ "the 'target' field is deprecated, please use 'targets' \
instead~%")))
value)
(define-record-type* <bootloader-configuration>
bootloader-configuration make-bootloader-configuration
bootloader-configuration?
(bootloader
bootloader-configuration-bootloader) ;<bootloader>
(targets %bootloader-configuration-targets
(default #f)) ;list of strings
(target %bootloader-configuration-target ;deprecated
(default #f)
(sanitize warn-target-field-deprecation))
(menu-entries bootloader-configuration-menu-entries
(default '())) ;list of <menu-entry>
(default-entry bootloader-configuration-default-entry
(default 0)) ;integer
(timeout bootloader-configuration-timeout
(default 5)) ;seconds as integer
(keyboard-layout bootloader-configuration-keyboard-layout
(default #f)) ;<keyboard-layout> | #f
(theme bootloader-configuration-theme
(default #f)) ;bootloader-specific theme
(terminal-outputs bootloader-configuration-terminal-outputs
(default '(gfxterm))) ;list of symbols
(terminal-inputs bootloader-configuration-terminal-inputs
(default '())) ;list of symbols
(serial-unit bootloader-configuration-serial-unit
(default #f)) ;integer | #f
(serial-speed bootloader-configuration-serial-speed
(default #f)) ;integer | #f
(device-tree-support? bootloader-configuration-device-tree-support?
(default #t)) ;boolean
(extra-initrd bootloader-configuration-extra-initrd
(default #f))) ;string | #f
(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 packages files hooks)
"Creates a profile from the lists of PACKAGES and FILES from the store.
This profile 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 profile. If a directory name ends with '/', then the
directory content instead of the directory itself will be symlinked into the
profile.
FILES may contain file like objects produced by procedures like plain-file,
local-file, etc., or package contents produced with file-append.
HOOKS lists additional hook functions to modify the profile."
(define* (efi-bootloader-profile-hook manifest #:optional system)
(define build
(with-imported-modules '((guix build utils))
#~(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* ((files '#$files)
(directories (filter name-ends-with-/? files))
(names-from-directories
(append-map (lambda (directory)
(directory-content directory))
directories))
(names (append names-from-directories
(remove name-ends-with-/? files))))
(mkdir-p #$output)
(if (every file-exists? names)
(begin
(for-each (lambda (name)
(symlink-to name #$output
(if (name-is-store-entry? name)
strip-store-file-name
basename)))
names)
#t)
#f)))))
(gexp->derivation "efi-bootloader-profile"
build
#:system system
#:local-build? #t
#:substitutable? #f
#:properties
`((type . profile-hook)
(hook . efi-bootloader-profile-hook))))
(profile (content (packages->manifest packages))
(name "efi-bootloader-profile")
(hooks (cons efi-bootloader-profile-hook hooks))
(locales? #f)
(allow-collisions? #f)
(relative-symlinks? #f)))
(define* (efi-bootloader-chain final-bootloader
#:key
(packages '())
(files '())
(hooks '())
installer
disk-image-installer)
"Define a chain of bootloaders with the FINAL-BOOTLOADER, optional PACKAGES,
and optional directories and files from the store given in the list of FILES.
The package of the FINAL-BOOTLOADER and all PACKAGES and FILES will be placed
in an efi-bootloader-profile, which will be passed to the INSTALLER.
FILES may contain file-like objects produced by procedures like plain-file,
local-file, etc., or package contents produced with file-append.
If a directory name in FILES ends with '/', then the directory content instead
of the directory itself will be symlinked into the efi-bootloader-profile.
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 gexp procedure will be called to
install the efi-bootloader-profile. Otherwise the installer of the
FINAL-BOOTLOADER will be called.
If the DISK-IMAGE-INSTALLER is used, then this gexp procedure will be called
to install the efi-bootloader-profile into a disk image. Otherwise the
disk-image-installer of the FINAL-BOOTLOADER will be called."
(bootloader
(inherit final-bootloader)
(name "efi-bootloader-chain")
(package
(efi-bootloader-profile (cons (bootloader-package final-bootloader)
packages)
files
(if (list? hooks)
hooks
(list hooks))))
(installer
(or installer
(bootloader-installer final-bootloader)))
(disk-image-installer
(or disk-image-installer
(bootloader-disk-image-installer final-bootloader)))))
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