;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017 David Craven ;;; Copyright © 2017, 2020, 2022 Mathieu Othacehe ;;; Copyright © 2017 Leo Famulari ;;; Copyright © 2019, 2021, 2023 Ludovic Courtès ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen ;;; Copyright © 2022 Josselin Poiret ;;; Copyright © 2022 Reza Alizadeh Majd ;;; 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 . (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 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 (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 (($ 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))) (($ 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))) (($ 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 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 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 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 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 make-bootloader-configuration bootloader-configuration? (bootloader bootloader-configuration-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 (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)) ; | #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)))))