9455143907
* doc/guix-cookbook.texi: Update copyright/name for Christine Lemmer-Webber. * gnu/build/image.scm: Likewise. * gnu/build/vm.scm: Likewise. * gnu/packages/admin.scm: Likewise. * gnu/packages/assembly.scm: Likewise. * gnu/packages/audio.scm: Likewise. * gnu/packages/backup.scm: Likewise. * gnu/packages/check.scm: Likewise. * gnu/packages/databases.scm: Likewise. * gnu/packages/emacs-xyz.scm: Likewise. * gnu/packages/finance.scm: Likewise. * gnu/packages/gnupg.scm: Likewise. * gnu/packages/guile-xyz.scm: Likewise. * gnu/packages/guile.scm: Likewise. * gnu/packages/haskell-xyz.scm: Likewise. * gnu/packages/linux.scm: Likewise. * gnu/packages/mail.scm: Likewise. * gnu/packages/password-utils.scm: Likewise. * gnu/packages/perl.scm: Likewise. * gnu/packages/python-web.scm: Likewise. * gnu/packages/python-xyz.scm: Likewise. * gnu/packages/python.scm: Likewise. * gnu/packages/sphinx.scm: Likewise. * gnu/packages/ssh.scm: Likewise. * gnu/packages/xdisorg.scm: Likewise. * gnu/services/networking.scm: Likewise. * gnu/system/vm.scm: Likewise.
299 lines
12 KiB
Scheme
299 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2016 Christine Lemmer-Webber <cwebber@dustycloud.org>
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;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
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;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
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;;; Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
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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 build image)
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#:use-module (guix build store-copy)
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#:use-module (guix build syscalls)
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#:use-module (guix build utils)
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#:use-module (guix store database)
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#:use-module (gnu build bootloader)
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#:use-module (gnu build install)
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#:use-module (gnu build linux-boot)
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#:use-module (gnu image)
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#:use-module (gnu system uuid)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-19)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:export (make-partition-image
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convert-disk-image
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genimage
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initialize-efi-partition
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initialize-root-partition
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make-iso9660-image))
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(define (sexp->partition sexp)
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"Take SEXP, a tuple as returned by 'partition->gexp', and turn it into a
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<partition> record."
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(match sexp
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((size file-system file-system-options label uuid)
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(partition (size size)
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(file-system file-system)
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(file-system-options file-system-options)
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(label label)
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(uuid uuid)))))
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(define (size-in-kib size)
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"Convert SIZE expressed in bytes, to kilobytes and return it as a string."
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(number->string
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(inexact->exact (ceiling (/ size 1024)))))
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(define (estimate-partition-size root)
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"Given the ROOT directory, evaluate and return its size. As this doesn't
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take the partition metadata size into account, take a 25% margin."
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(* 1.25 (file-size root)))
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(define* (make-ext-image partition target root
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#:key
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(owner-uid 0)
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(owner-gid 0))
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"Handle the creation of EXT2/3/4 partition images. See
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'make-partition-image'."
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(let ((size (partition-size partition))
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(fs (partition-file-system partition))
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(fs-options (partition-file-system-options partition))
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(label (partition-label partition))
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(uuid (partition-uuid partition))
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(journal-options "lazy_itable_init=1,lazy_journal_init=1"))
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(apply invoke
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`("fakeroot" "mke2fs" "-t" ,fs "-d" ,root
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"-L" ,label "-U" ,(uuid->string uuid)
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"-E" ,(format #f "root_owner=~a:~a,~a"
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owner-uid owner-gid journal-options)
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,@fs-options
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,target
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,(format #f "~ak"
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(size-in-kib
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(if (eq? size 'guess)
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(estimate-partition-size root)
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size)))))))
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(define* (make-vfat-image partition target root)
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"Handle the creation of VFAT partition images. See 'make-partition-image'."
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(let ((size (partition-size partition))
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(label (partition-label partition)))
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(invoke "fakeroot" "mkdosfs" "-n" label "-C" target
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"-F" "16" "-S" "1024"
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(size-in-kib
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(if (eq? size 'guess)
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(estimate-partition-size root)
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size)))
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(for-each (lambda (file)
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(unless (member file '("." ".."))
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(invoke "mcopy" "-bsp" "-i" target
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(string-append root "/" file)
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(string-append "::" file))))
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(scandir root))))
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(define* (make-partition-image partition-sexp target root)
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"Create and return the image of PARTITION-SEXP as TARGET. Use the given
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ROOT directory to populate the image."
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(let* ((partition (sexp->partition partition-sexp))
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(type (partition-file-system partition)))
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(cond
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((string-prefix? "ext" type)
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(make-ext-image partition target root))
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((string=? type "vfat")
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(make-vfat-image partition target root))
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(else
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(raise (condition
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(&message
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(message "unsupported partition type"))))))))
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(define (convert-disk-image image format output)
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"Convert IMAGE to OUTPUT according to the given FORMAT."
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(case format
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((compressed-qcow2)
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(invoke "qemu-img" "convert" "-c" "-f" "raw"
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"-O" "qcow2" image output))
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(else
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(copy-file image output))))
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(define* (genimage config)
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"Use genimage to generate in TARGET directory, the image described in the
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given CONFIG file."
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;; genimage needs a 'root' directory.
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(mkdir "root")
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(invoke "genimage" "--config" config))
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(define* (register-closure prefix closure
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#:key
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(schema (sql-schema))
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(wal-mode? #t))
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"Register CLOSURE in PREFIX, where PREFIX is the directory name of the
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target store and CLOSURE is the name of a file containing a reference graph as
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produced by #:references-graphs. Pass WAL-MODE? to call-with-database."
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(let ((items (call-with-input-file closure read-reference-graph)))
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(parameterize ((sql-schema schema))
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(with-database (store-database-file #:prefix prefix) db
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#:wal-mode? wal-mode?
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(register-items db items
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#:prefix prefix
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#:registration-time %epoch)))))
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(define* (initialize-efi-partition root
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#:key
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grub-efi
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#:allow-other-keys)
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"Install in ROOT directory, an EFI loader using GRUB-EFI."
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(install-efi-loader grub-efi root))
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(define* (initialize-root-partition root
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#:key
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bootcfg
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bootcfg-location
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bootloader-package
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bootloader-installer
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(deduplicate? #t)
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references-graphs
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(register-closures? #t)
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system-directory
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make-device-nodes
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(wal-mode? #t)
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#:allow-other-keys)
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"Initialize the given ROOT directory. Use BOOTCFG and BOOTCFG-LOCATION to
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install the bootloader configuration.
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If REGISTER-CLOSURES? is true, register REFERENCES-GRAPHS in the store. If
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DEDUPLICATE? is true, then also deduplicate files common to CLOSURES and the
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rest of the store when registering the closures. SYSTEM-DIRECTORY is the name
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of the directory of the 'system' derivation. Pass WAL-MODE? to
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register-closure."
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(populate-root-file-system system-directory root)
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(populate-store references-graphs root
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#:deduplicate? deduplicate?)
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;; Populate /dev.
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(when make-device-nodes
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(make-device-nodes root))
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(when register-closures?
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(for-each (lambda (closure)
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(register-closure root closure
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#:wal-mode? wal-mode?))
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references-graphs))
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(when bootloader-installer
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(display "installing bootloader...\n")
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(bootloader-installer bootloader-package #f root))
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(when bootcfg
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(install-boot-config bootcfg bootcfg-location root)))
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(define* (make-iso9660-image xorriso grub-mkrescue-environment
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grub bootcfg system-directory root target
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#:key (volume-id "Guix_image") (volume-uuid #f)
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register-closures? (references-graphs '())
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(compression? #t))
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"Given a GRUB package, creates an iso image as TARGET, using BOOTCFG as
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GRUB configuration and OS-DRV as the stuff in it."
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(define grub-mkrescue
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(string-append grub "/bin/grub-mkrescue"))
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(define grub-mkrescue-sed.sh
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(string-append (getcwd) "/" "grub-mkrescue-sed.sh"))
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;; Use a modified version of grub-mkrescue-sed.sh, see below.
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(copy-file (string-append xorriso
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"/bin/grub-mkrescue-sed.sh")
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grub-mkrescue-sed.sh)
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;; Force grub-mkrescue-sed.sh to use the build directory instead of /tmp
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;; that is read-only inside the build container.
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(substitute* grub-mkrescue-sed.sh
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(("/tmp/") (string-append (getcwd) "/"))
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(("MKRESCUE_SED_XORRISO_ARGS \\$x")
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(format #f "MKRESCUE_SED_XORRISO_ARGS $(echo $x | sed \"s|/tmp|~a|\")"
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(getcwd))))
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;; 'grub-mkrescue' calls out to mtools programs to create 'efi.img', a FAT
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;; file system image, and mtools honors SOURCE_DATE_EPOCH for the mtime of
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;; those files. The epoch for FAT is Jan. 1st 1980, not 1970, so choose
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;; that.
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(setenv "SOURCE_DATE_EPOCH"
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(number->string
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(time-second
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(date->time-utc (make-date 0 0 0 0 1 1 1980 0)))))
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;; Our patched 'grub-mkrescue' honors this environment variable and passes
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;; it to 'mformat', which makes it the serial number of 'efi.img'. This
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;; allows for deterministic builds.
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(setenv "GRUB_FAT_SERIAL_NUMBER"
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(number->string (if volume-uuid
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;; On 32-bit systems the 2nd argument must be
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;; lower than 2^32.
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(string-hash (iso9660-uuid->string volume-uuid)
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(- (expt 2 32) 1))
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#x77777777)
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16))
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(setenv "MKRESCUE_SED_MODE" "original")
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(setenv "MKRESCUE_SED_XORRISO" (string-append xorriso "/bin/xorriso"))
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(setenv "MKRESCUE_SED_IN_EFI_NO_PT" "yes")
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(for-each (match-lambda
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((name . value) (setenv name value)))
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grub-mkrescue-environment)
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(apply invoke grub-mkrescue
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(string-append "--xorriso=" grub-mkrescue-sed.sh)
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"-o" target
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(string-append "boot/grub/grub.cfg=" bootcfg)
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root
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"--"
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;; Set all timestamps to 1.
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"-volume_date" "all_file_dates" "=1"
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`(,@(if compression?
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'(;; ‘zisofs’ compression reduces the total image size by
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;; ~60%.
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"-zisofs" "level=9:block_size=128k" ; highest compression
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;; It's transparent to our Linux-Libre kernel but not to
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;; GRUB. Don't compress the kernel, initrd, and other
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;; files read by grub.cfg, as well as common
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;; already-compressed file names.
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"-find" "/" "-type" "f"
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;; XXX Even after "--" above, and despite documentation
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;; claiming otherwise, "-or" is stolen by grub-mkrescue
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;; which then chokes on it (as ‘-o …’) and dies. Don't use
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;; "-or".
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"-not" "-wholename" "/boot/*"
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"-not" "-wholename" "/System/*"
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"-not" "-name" "unicode.pf2"
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"-not" "-name" "bzImage"
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"-not" "-name" "*.gz" ; initrd & all man pages
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"-not" "-name" "*.png" ; includes grub-image.png
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"-exec" "set_filter" "--zisofs"
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"--")
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'())
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"-volid" ,(string-upcase volume-id)
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,@(if volume-uuid
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`("-volume_date" "uuid"
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,(string-filter (lambda (value)
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(not (char=? #\- value)))
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(iso9660-uuid->string
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volume-uuid)))
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'()))))
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