;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès ;;; Copyright © 2016 Christopher Allan Webber ;;; Copyright © 2016, 2017 Leo Famulari ;;; Copyright © 2017 Mathieu Othacehe ;;; Copyright © 2017 Marius Bakke ;;; Copyright © 2018 Chris Marusich ;;; ;;; 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 build vm) #:use-module (guix build utils) #:use-module (guix build store-copy) #:use-module (guix build syscalls) #:use-module (guix store database) #:use-module (gnu build linux-boot) #:use-module (gnu build install) #:use-module (gnu system uuid) #:use-module (guix records) #:use-module ((guix combinators) #:select (fold2)) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (ice-9 regex) #:use-module (ice-9 popen) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9) #:use-module (srfi srfi-26) #:export (qemu-command load-in-linux-vm format-partition partition partition? partition-device partition-size partition-file-system partition-label pa
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014-2017, 2019-2021, 2023-2024 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2023 Janneke Nieuwenhuizen <jannek@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 system locale)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:use-module (guix modules)
  #:use-module (guix records)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (gnu packages base)
  #:use-module (gnu packages compression)
  #:use-module (srfi srfi-26)
  #:use-module (ice-9 match)
  #:export (locale-definition
            locale-definition?
            locale-definition-name
            locale-definition-source
            locale-definition-charset

            locale-name->definition
            locale-directory

            %default-locale-libcs
            %default-locale-definitions

            glibc-supported-locales))

;;; Commentary:
;;;
;;; Locale definitions, and compilation thereof.
;;;
;;; Code:

(define-record-type* <locale-definition> locale-definition
  make-locale-definition
  locale-definition?
  (name    locale-definition-name)                ;string--e.g., "fr_FR.utf8"
  (source  locale-definition-source)              ;string--e.g., "fr_FR"
  (charset locale-definition-charset              ;string--e.g., "UTF-8"
           (default "UTF-8")))

(define %not-dot
  (char-set-complement (char-set #\.)))

(define (denormalize-codeset codeset)
  "Attempt to guess the \"real\" name of CODESET, a normalized codeset as
defined in (info \"(libc) Using gettextized software\")."
  (cond ((string=? codeset "utf8")
         "UTF-8")
        ((string-prefix? "iso8859" codeset)
         (string-append "ISO-8859-" (string-drop codeset 7)))
        ((string=? codeset "eucjp")
         "EUC-JP")
        (else                                ;cross fingers, hope for the best
         codeset)))

(define (locale-name->definition name)
  "Return a <locale-definition> corresponding to NAME, guessing the charset,
or #f on failure."
  (match (string-tokenize name %not-dot)
    ((source charset)
     ;; XXX: NAME is supposed to use the "normalized codeset", such as "utf8",
     ;; whereas the actual name used is different.  Add a special case to make
     ;; the right guess for UTF-8.
     (locale-definition (name name)
                        (source source)
                        (charset (denormalize-codeset charset))))
    (_
     #f)))

(define* (single-locale-directory locales
                                  #:key (libc glibc))
  "Return a directory containing all of LOCALES for LIBC compiled.

Because locale data formats are incompatible when switching from one libc to
another, locale data is put in a sub-directory named after the 'version' field
of LIBC."
  (define version
    (version-major+minor (package-version libc)))

  (define build
    (with-imported-modules (source-module-closure
                            '((gnu build locale)))
     #~(begin
         (use-modules (gnu build locale))

         (mkdir #$output)
         (mkdir (string-append #$output "/" #$version))

         ;; 'localedef' executes 'gzip' to access compressed locale sources.
         (setenv "PATH"
                 (string-append #+gzip "/bin:" #+libc "/bin"))

         (setvbuf (current-output-port) 'line)
         (setvbuf (current-error-port) 'line)
         (for-each (lambda (locale codeset name)
                     (build-locale locale
                                   #:codeset codeset
                                   #:name name
                                   #:directory
                                   (string-append #$output "/" #$version)))
                   '#$(map locale-definition-source locales)
                   '#$(map locale-definition-charset locales)
                   '#$(map locale-definition-name locales)))))

  (computed-file (string-append "locale-" version) build))

(define* (locale-directory locales
                           #:key (libcs %default-locale-libcs))
  "Return a locale directory containing all of LOCALES for each libc package
listed in LIBCS.

It is useful to list more than one libc when willing to support
already-installed packages built against a different libc since the locale
data format changes between libc versions."
  (match libcs
    ((libc)
     (single-locale-directory locales #:libc libc))
    ((libcs ..1)
     (let ((dirs (map (lambda (libc)
                        (single-locale-directory locales #:libc libc))
                      libcs)))
       (computed-file "locale-multiple-versions"
                      (with-imported-modules '((guix build union))
                        #~(begin
                            (use-modules (guix build union))
                            (union-build #$output (list #$@dirs))))
                      #:options '(#:local-build? #t
                                  #:substitutable? #f))))))

(define %default-locale-libcs
  ;; The libcs for which we build locales by default.
  (list glibc glibc-2.35))

(define %default-locale-definitions
  ;; Arbitrary set of locales that are built by default.  They come as a
  ;; "bonus" in addition to that specified in the 'locale' field of the
  ;; operating system, for the user's convenience, so they shouldn't take too
  ;; much space.
  (letrec-syntax ((utf8-locale (syntax-rules ()
                                 ((_ name*)
                                  (locale-definition
                                   ;; Note: We choose "utf8", which is the
                                   ;; "normalized codeset".
                                   (name (string-append name* ".utf8"))
                                   (source name*)
                                   (charset "UTF-8")))))
                  (utf8-locales (syntax-rules ()
                                  ((_ name ...)
                                   (list (utf8-locale name) ...)))))
    ;; The six UN official languages plus Portuguese, with at most two
    ;; variants per language.
    (utf8-locales "ar_DZ"
                  "en_GB"
                  "en_US"
                  "es_AR"
                  "es_ES"
                  "fr_FR"
                  "pt_BR"
                  "pt_PT"
                  "ru_RU"
                  "zh_CN")))


;;;
;;; Locales supported by glibc.
;;;

(define* (glibc-supported-locales #:optional (glibc glibc))
  "Return a file-like object that contains a list of locale name/encoding
pairs such as (\"oc_FR.UTF-8\" . \"UTF-8\").  Each pair corresponds to a
locale supported by GLIBC."
  (define build
    (with-imported-modules (source-module-closure
                            '((guix build gnu-build-system)
                              (gnu build locale)))
      #~(begin
          (use-modules (guix build gnu-build-system)
                       (gnu build locale)
                       (ice-9 pretty-print))

          (define unpack
            (assq-ref %standard-phases 'unpack))


          (setenv "PATH"
                  (string-append #+(file-append tar "/bin") ":"
                                 #+(file-append zstd "/bin") ":"
                                 #+(file-append gzip "/bin")))
          (unpack #:source #+(package-source glibc))

          (let ((locales (call-with-input-file "localedata/SUPPORTED"
                           read-supported-locales)))
            (call-with-output-file #$output
              (lambda (port)
                (pretty-print locales port)))))))

  (computed-file "glibc-supported-locales.scm" build))

;;; locale.scm ends here
ounts.h> again! (define* (create-ext-file-system partition type #:key label uuid) "Create an ext-family file system of TYPE on PARTITION. If LABEL is true, use that as the volume name. If UUID is true, use it as the partition UUID." (format #t "creating ~a partition... ~@[label: ~s~] ~@[uuid: ~s~]\n" type label (and uuid (uuid->string uuid))) (apply invoke (string-append "mkfs." type) "-F" partition `(,@(if label `("-L" ,label) '()) ,@(if uuid `("-U" ,(uuid->string uuid)) '())))) (define* (create-fat-file-system partition #:key label uuid) "Create a FAT file system on PARTITION. The number of File Allocation Tables will be determined based on file system size. If LABEL is true, use that as the volume name." ;; FIXME: UUID is ignored! (format #t "creating FAT partition...\n") (apply invoke "mkfs.fat" partition (if label `("-n" ,label) '()))) (define* (format-partition partition type #:key label uuid) "Create a file system TYPE on PARTITION. If LABEL is true, use that as the volume name." (cond ((string-prefix? "ext" type) (create-ext-file-system partition type #:label label #:uuid uuid)) ((or (string-prefix? "fat" type) (string= "vfat" type)) (create-fat-file-system partition #:label label #:uuid uuid)) (else (error "Unsupported file system.")))) (define (initialize-partition partition) "Format PARTITION, a object with a non-#f 'device' field, mount it, run its initializer, and unmount it." (let ((target "/fs")) (format-partition (partition-device partition) (partition-file-system partition) #:label (partition-label partition) #:uuid (partition-uuid partition)) (mkdir-p target) (mount (partition-device partition) target (partition-file-system partition)) ((partition-initializer partition) target) (umount target) partition)) (define* (root-partition-initializer #:key (closures '()) copy-closures? (register-closures? #t) system-directory (deduplicate? #t)) "Return a procedure to initialize a root partition. If REGISTER-CLOSURES? is true, register all of CLOSURES in the partition's store. If DEDUPLICATE? is true, then also deduplicate files common to CLOSURES and the rest of the store when registering the closures. If COPY-CLOSURES? is true, copy all of CLOSURES to the partition. SYSTEM-DIRECTORY is the name of the directory of the 'system' derivation." (lambda (target) (define target-store (string-append target (%store-directory))) (when copy-closures? ;; Populate the store. (populate-store (map (cut string-append "/xchg/" <>) closures) target)) ;; Populate /dev. (make-essential-device-nodes #:root target) ;; Optionally, register the inputs in the image's store. (when register-closures? (unless copy-closures? ;; XXX: 'register-closure' wants to palpate the things it registers, so ;; bind-mount the store on the target. (mkdir-p target-store) (mount (%store-directory) target-store "" MS_BIND)) (display "registering closures...\n") (for-each (lambda (closure) (register-closure target (string-append "/xchg/" closure) #:reset-timestamps? copy-closures? #:deduplicate? deduplicate?)) closures) (unless copy-closures? (umount target-store))) ;; Add the non-store directories and files. (display "populating...\n") (populate-root-file-system system-directory target) ;; 'register-closure' resets timestamps and everything, so no need to do it ;; once more in that case. (unless register-closures? (reset-timestamps target)))) (define (register-bootcfg-root target bootcfg) "On file system TARGET, register BOOTCFG as a GC root." (let ((directory (string-append target "/var/guix/gcroots"))) (mkdir-p directory) (symlink bootcfg (string-append directory "/bootcfg")))) (define (install-efi grub esp config-file) "Write a self-contained GRUB EFI loader to the mounted ESP using CONFIG-FILE." (let* ((system %host-type) ;; Hard code the output location to a well-known path recognized by ;; compliant firmware. See "3.5.1.1 Removable Media Boot Behaviour": ;; http://www.uefi.org/sites/default/files/resources/UEFI%20Spec%202_6.pdf (grub-mkstandalone (string-append grub "/bin/grub-mkstandalone")) (efi-directory (string-append esp "/EFI/BOOT")) ;; Map grub target names to boot file names. (efi-targets (cond ((string-prefix? "x86_64" system) '("x86_64-efi" . "BOOTX64.EFI")) ((string-prefix? "i686" system) '("i386-efi" . "BOOTIA32.EFI")) ((string-prefix? "armhf" system) '("arm-efi" . "BOOTARM.EFI")) ((string-prefix? "aarch64" system) '("arm64-efi" . "BOOTAA64.EFI"))))) ;; grub-mkstandalone requires a TMPDIR to prepare the firmware image. (setenv "TMPDIR" esp) (mkdir-p efi-directory) (invoke grub-mkstandalone "-O" (car efi-targets) "-o" (string-append efi-directory "/" (cdr efi-targets)) ;; Graft the configuration file onto the image. (string-append "boot/grub/grub.cfg=" config-file)))) (define* (make-iso9660-image grub config-file os-drv target #:key (volume-id "GuixSD_image") (volume-uuid #f) register-closures? (closures '())) "Given a GRUB package, creates an iso image as TARGET, using CONFIG-FILE as GRUB configuration and OS-DRV as the stuff in it." (define grub-mkrescue (string-append grub "/bin/grub-mkrescue")) (define target-store (string-append "/tmp/root" (%store-directory))) (define items ;; The store items to add to the image. (delete-duplicates (append-map (lambda (closure) (map store-info-item (call-with-input-file (string-append "/xchg/" closure) read-reference-graph))) closures))) (populate-root-file-system os-drv "/tmp/root") (mount (%store-directory) target-store "" MS_BIND) (when register-closures? (display "registering closures...\n") (for-each (lambda (closure) (register-closure "/tmp/root" (string-append "/xchg/" closure) ;; TARGET-STORE is a read-only bind-mount so we shouldn't try ;; to modify it. #:deduplicate? #f #:reset-timestamps? #f)) closures) (register-bootcfg-root "/tmp/root" config-file)) (let ((pipe (apply open-pipe* OPEN_WRITE grub-mkrescue "-o" target (string-append "boot/grub/grub.cfg=" config-file) "etc=/tmp/root/etc" "var=/tmp/root/var" "run=/tmp/root/run" ;; /mnt is used as part of the installation ;; process, as the mount point for the target ;; file system, so create it. "mnt=/tmp/root/mnt" "-path-list" "-" "--" ;; XXX: Add padding to avoid I/O errors on i686: ;; . "-padding" "10m" "-volid" (string-upcase volume-id) (if volume-uuid `("-volume_date" "uuid" ,(string-filter (lambda (value) (not (char=? #\- value))) (iso9660-uuid->string volume-uuid))) `())))) ;; Pass lines like 'gnu/store/…-x=/gnu/store/…-x' corresponding to the ;; '-path-list -' option. (for-each (lambda (item) (format pipe "~a=~a~%" (string-drop item 1) item)) items) (unless (zero? (close-pipe pipe)) (error "oh, my! grub-mkrescue failed" grub-mkrescue)))) (define* (initialize-hard-disk device #:key bootloader-package bootcfg bootcfg-location bootloader-installer (grub-efi #f) (partitions '())) "Initialize DEVICE as a disk containing all the objects listed in PARTITIONS, and using BOOTCFG as its bootloader configuration file. Each partition is initialized by calling its 'initializer' procedure, passing it a directory name where it is mounted." (define (partition-bootable? partition) "Return the first partition found with the boot flag set." (member 'boot (partition-flags partition))) (define (partition-esp? partition) "Return the first EFI System Partition." (member 'esp (partition-flags partition))) (let* ((partitions (initialize-partition-table device partitions)) (root (find partition-bootable? partitions)) (esp (find partition-esp? partitions)) (target "/fs")) (unless root (error "no bootable partition specified" partitions)) (for-each initialize-partition partitions) (display "mounting root partition...\n") (mkdir-p target) (mount (partition-device root) target (partition-file-system root)) (install-boot-config bootcfg bootcfg-location target) (when bootloader-installer (display "installing bootloader...\n") (bootloader-installer bootloader-package device target)) (when esp ;; Mount the ESP somewhere and install GRUB UEFI image. (let ((mount-point (string-append target "/boot/efi")) (grub-config (string-append target "/tmp/grub-standalone.cfg"))) (display "mounting EFI system partition...\n") (mkdir-p mount-point) (mount (partition-device esp) mount-point (partition-file-system esp)) ;; Create a tiny configuration file telling the embedded grub ;; where to load the real thing. ;; XXX This is quite fragile, and can prevent the image from booting ;; when there's more than one volume with this label present. ;; Reproducible almost-UUIDs could reduce the risk (not eliminate it). (call-with-output-file grub-config (lambda (port) (format port "insmod part_msdos~@ search --set=root --label GuixSD_image~@ configfile /boot/grub/grub.cfg~%"))) (display "creating EFI firmware image...") (install-efi grub-efi mount-point grub-config) (display "done.\n") (delete-file grub-config) (umount mount-point))) ;; Register BOOTCFG as a GC root. (register-bootcfg-root target bootcfg) (umount target))) ;;; vm.scm ends here