1205 lines
48 KiB
Scheme
1205 lines
48 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 © 2015 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
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;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2019 Meiyo Peng <meiyo.peng@gmail.com>
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;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
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;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
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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 system)
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#:use-module (guix inferior)
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#:use-module (guix store)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix profiles)
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#:use-module (guix ui)
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#:use-module (guix utils)
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#:use-module (gnu packages base)
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#:use-module (gnu packages bash)
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#:use-module (gnu packages guile)
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#:use-module (gnu packages guile-xyz)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages pciutils)
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#:use-module (gnu packages package-management)
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#:use-module (gnu packages less)
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#:use-module (gnu packages zile)
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#:use-module (gnu packages nano)
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#:use-module (gnu packages gawk)
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#:use-module (gnu packages man)
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#:use-module (gnu packages texinfo)
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#:use-module (gnu packages compression)
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#:use-module (gnu packages firmware)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services base)
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#:use-module (gnu bootloader)
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#:use-module (gnu system shadow)
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#:use-module (gnu system nss)
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#:use-module (gnu system locale)
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#:use-module (gnu system pam)
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#:use-module (gnu system linux-initrd)
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#:use-module (gnu system uuid)
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#:use-module (gnu system file-systems)
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#:use-module (gnu system mapped-devices)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (rnrs bytevectors)
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#:export (operating-system
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operating-system?
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this-operating-system
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operating-system-bootloader
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operating-system-services
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operating-system-essential-services
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operating-system-default-essential-services
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operating-system-user-services
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operating-system-packages
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operating-system-host-name
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operating-system-hosts-file
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operating-system-kernel
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operating-system-kernel-file
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operating-system-kernel-arguments
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operating-system-label
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operating-system-default-label
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operating-system-initrd-modules
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operating-system-initrd
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operating-system-users
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operating-system-groups
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operating-system-issue
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operating-system-timezone
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operating-system-locale
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operating-system-locale-definitions
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operating-system-locale-libcs
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operating-system-mapped-devices
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operating-system-file-systems
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operating-system-store-file-system
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operating-system-user-mapped-devices
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operating-system-boot-mapped-devices
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operating-system-activation-script
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operating-system-user-accounts
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operating-system-shepherd-service-names
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operating-system-user-kernel-arguments
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operating-system-firmware
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operating-system-keyboard-layout
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operating-system-name-service-switch
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operating-system-pam-services
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operating-system-setuid-programs
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operating-system-skeletons
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operating-system-sudoers-file
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operating-system-swap-devices
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operating-system-kernel-loadable-modules
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operating-system-derivation
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operating-system-profile
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operating-system-bootcfg
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operating-system-etc-directory
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operating-system-locale-directory
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operating-system-boot-script
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operating-system-uuid
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system-linux-image-file-name
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operating-system-with-gc-roots
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operating-system-with-provenance
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boot-parameters
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boot-parameters?
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boot-parameters-label
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boot-parameters-root-device
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boot-parameters-bootloader-name
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boot-parameters-bootloader-menu-entries
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boot-parameters-store-device
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boot-parameters-store-mount-point
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boot-parameters-kernel
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boot-parameters-kernel-arguments
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boot-parameters-initrd
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read-boot-parameters
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read-boot-parameters-file
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boot-parameters->menu-entry
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local-host-aliases
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%root-account
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%setuid-programs
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%sudoers-specification
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%base-packages
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%base-packages-interactive
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%base-packages-linux
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%base-packages-networking
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%base-packages-utils
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%base-firmware
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%default-kernel-arguments))
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;;; Commentary:
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;;;
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;;; This module supports whole-system configuration.
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;;;
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;;; Code:
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(define (bootable-kernel-arguments system root-device)
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"Return a list of kernel arguments (gexps) to boot SYSTEM from ROOT-DEVICE."
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(list (string-append "--root="
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;; Note: Always use the DCE format because that's what
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;; (gnu build linux-boot) expects for the '--root'
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;; kernel command-line option.
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(file-system-device->string root-device
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#:uuid-type 'dce))
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#~(string-append "--system=" #$system)
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#~(string-append "--load=" #$system "/boot")))
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;; System-wide configuration.
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;; TODO: Add per-field docstrings/stexi.
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(define-record-type* <operating-system> operating-system
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make-operating-system
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operating-system?
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this-operating-system
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(kernel operating-system-kernel ; package
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(default linux-libre))
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(kernel-loadable-modules operating-system-kernel-loadable-modules
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(default '())) ; list of packages
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(kernel-arguments operating-system-user-kernel-arguments
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(default %default-kernel-arguments)) ; list of gexps/strings
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(bootloader operating-system-bootloader) ; <bootloader-configuration>
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(label operating-system-label ; string
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(thunked)
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(default (operating-system-default-label this-operating-system)))
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(keyboard-layout operating-system-keyboard-layout ;#f | <keyboard-layout>
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(default #f))
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(initrd operating-system-initrd ; (list fs) -> file-like
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(default base-initrd))
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(initrd-modules operating-system-initrd-modules ; list of strings
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(thunked) ; it's system-dependent
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(default %base-initrd-modules))
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(firmware operating-system-firmware ; list of packages
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(default %base-firmware))
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(host-name operating-system-host-name) ; string
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(hosts-file operating-system-hosts-file ; file-like | #f
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(default #f))
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(mapped-devices operating-system-mapped-devices ; list of <mapped-device>
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(default '()))
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(file-systems operating-system-file-systems) ; list of fs
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(swap-devices operating-system-swap-devices ; list of strings
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(default '()))
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(users operating-system-users ; list of user accounts
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(default %base-user-accounts))
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(groups operating-system-groups ; list of user groups
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(default %base-groups))
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(skeletons operating-system-skeletons ; list of name/file-like value
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(default (default-skeletons)))
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(issue operating-system-issue ; string
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(default %default-issue))
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(packages operating-system-packages ; list of (PACKAGE OUTPUT...)
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(default %base-packages)) ; or just PACKAGE
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(timezone operating-system-timezone) ; string
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(locale operating-system-locale ; string
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(default "en_US.utf8"))
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(locale-definitions operating-system-locale-definitions ; list of <locale-definition>
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(default %default-locale-definitions))
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(locale-libcs operating-system-locale-libcs ; list of <packages>
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(default %default-locale-libcs))
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(name-service-switch operating-system-name-service-switch ; <name-service-switch>
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(default %default-nss))
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(essential-services operating-system-essential-services ; list of services
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(thunked)
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(default (operating-system-default-essential-services
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this-operating-system)))
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(services operating-system-user-services ; list of services
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(default %base-services))
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(pam-services operating-system-pam-services ; list of PAM services
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(default (base-pam-services)))
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(setuid-programs operating-system-setuid-programs
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(default %setuid-programs)) ; list of string-valued gexps
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(sudoers-file operating-system-sudoers-file ; file-like
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(default %sudoers-specification)))
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(define (operating-system-kernel-arguments os root-device)
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"Return all the kernel arguments, including the ones not specified
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directly by the user."
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(append (bootable-kernel-arguments os root-device)
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(operating-system-user-kernel-arguments os)))
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;;;
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;;; Boot parameters
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;;;
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(define-record-type* <boot-parameters>
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boot-parameters make-boot-parameters boot-parameters?
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(label boot-parameters-label)
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;; Because we will use the 'store-device' to create the GRUB search command,
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;; the 'store-device' has slightly different semantics than 'root-device'.
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;; The 'store-device' can be a file system uuid, a file system label, or #f,
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;; but it cannot be a device path such as "/dev/sda3", since GRUB would not
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;; understand that. The 'root-device', on the other hand, corresponds
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;; exactly to the device field of the <file-system> object representing the
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;; OS's root file system, so it might be a device path like "/dev/sda3".
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(root-device boot-parameters-root-device)
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(bootloader-name boot-parameters-bootloader-name)
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(bootloader-menu-entries ;list of <menu-entry>
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boot-parameters-bootloader-menu-entries)
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(store-device boot-parameters-store-device)
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(store-mount-point boot-parameters-store-mount-point)
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(kernel boot-parameters-kernel)
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(kernel-arguments boot-parameters-kernel-arguments)
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(initrd boot-parameters-initrd))
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(define (ensure-not-/dev device)
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"If DEVICE starts with a slash, return #f. This is meant to filter out
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Linux device names such as /dev/sda, and to preserve GRUB device names and
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file system labels."
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(if (and (string? device) (string-prefix? "/" device))
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#f
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device))
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(define (read-boot-parameters port)
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"Read boot parameters from PORT and return the corresponding
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<boot-parameters> object or #f if the format is unrecognized."
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(define device-sexp->device
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(match-lambda
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(('uuid (? symbol? type) (? bytevector? bv))
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(bytevector->uuid bv type))
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(('file-system-label (? string? label))
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(file-system-label label))
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((? bytevector? bv) ;old format
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(bytevector->uuid bv 'dce))
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((? string? device)
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;; It used to be that we would not distinguish between labels and
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;; device names. Try to infer the right thing here.
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(if (string-prefix? "/dev/" device)
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device
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(file-system-label device)))))
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(match (read port)
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(('boot-parameters ('version 0)
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('label label) ('root-device root)
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('kernel linux)
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rest ...)
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(boot-parameters
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(label label)
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(root-device (device-sexp->device root))
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(bootloader-name
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(match (assq 'bootloader-name rest)
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((_ args) args)
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(#f 'grub))) ; for compatibility reasons.
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(bootloader-menu-entries
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(match (assq 'bootloader-menu-entries rest)
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((_ entries) (map sexp->menu-entry entries))
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(#f '())))
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;; In the past, we would store the directory name of the kernel instead
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;; of the absolute file name of its image. Detect that and correct it.
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(kernel (if (string=? linux (direct-store-path linux))
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(string-append linux "/"
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(system-linux-image-file-name))
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linux))
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(kernel-arguments
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(match (assq 'kernel-arguments rest)
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((_ args) args)
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(#f '()))) ;the old format
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(initrd
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(match (assq 'initrd rest)
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(('initrd ('string-append directory file)) ;the old format
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(string-append directory file))
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(('initrd (? string? file))
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file)))
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(store-device
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;; Linux device names like "/dev/sda1" are not suitable GRUB device
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;; identifiers, so we just filter them out.
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(ensure-not-/dev
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(match (assq 'store rest)
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(('store ('device #f) _ ...)
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root-device)
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(('store ('device device) _ ...)
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(device-sexp->device device))
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(_ ;the old format
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root-device))))
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(store-mount-point
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(match (assq 'store rest)
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(('store ('device _) ('mount-point mount-point) _ ...)
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mount-point)
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(_ ;the old format
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"/")))))
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(x ;unsupported format
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(warning (G_ "unrecognized boot parameters at '~a'~%")
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(port-filename port))
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#f)))
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(define (read-boot-parameters-file system)
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"Read boot parameters from SYSTEM's (system or generation) \"parameters\"
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file and returns the corresponding <boot-parameters> object or #f if the
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format is unrecognized.
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The object has its kernel-arguments extended in order to make it bootable."
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(let* ((file (string-append system "/parameters"))
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(params (call-with-input-file file read-boot-parameters))
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(root (boot-parameters-root-device params)))
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(boot-parameters
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(inherit params)
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(kernel-arguments (append (bootable-kernel-arguments system root)
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(boot-parameters-kernel-arguments params))))))
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(define (boot-parameters->menu-entry conf)
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(menu-entry
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(label (boot-parameters-label conf))
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(device (boot-parameters-store-device conf))
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(device-mount-point (boot-parameters-store-mount-point conf))
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(linux (boot-parameters-kernel conf))
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(linux-arguments (boot-parameters-kernel-arguments conf))
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(initrd (boot-parameters-initrd conf))))
|
||
|
||
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;;;
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;;; Services.
|
||
;;;
|
||
|
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(define (non-boot-file-system-service os)
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"Return the file system service for the file systems of OS that are not
|
||
marked as 'needed-for-boot'."
|
||
(define file-systems
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||
(remove file-system-needed-for-boot?
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(operating-system-file-systems os)))
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||
|
||
(define mapped-devices-for-boot
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(operating-system-boot-mapped-devices os))
|
||
|
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(define (device-mappings fs)
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(let ((device (file-system-device fs)))
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(if (string? device) ;title is 'device
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(filter (lambda (md)
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(string=? (string-append "/dev/mapper/"
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(mapped-device-target md))
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||
device))
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||
(operating-system-mapped-devices os))
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||
'())))
|
||
|
||
(define (add-dependencies fs)
|
||
;; Add the dependencies due to device mappings to FS.
|
||
(file-system
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||
(inherit fs)
|
||
(dependencies
|
||
(delete-duplicates
|
||
(remove (cut member <> mapped-devices-for-boot)
|
||
(append (device-mappings fs)
|
||
(file-system-dependencies fs)))
|
||
eq?))))
|
||
|
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(service file-system-service-type
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||
(map add-dependencies file-systems)))
|
||
|
||
(define (mapped-device-users device file-systems)
|
||
"Return the subset of FILE-SYSTEMS that use DEVICE."
|
||
(let ((target (string-append "/dev/mapper/" (mapped-device-target device))))
|
||
(filter (lambda (fs)
|
||
(or (member device (file-system-dependencies fs))
|
||
(and (string? (file-system-device fs))
|
||
(string=? (file-system-device fs) target))))
|
||
file-systems)))
|
||
|
||
(define (operating-system-user-mapped-devices os)
|
||
"Return the subset of mapped devices that can be installed in
|
||
user-land--i.e., those not needed during boot."
|
||
(let ((devices (operating-system-mapped-devices os))
|
||
(file-systems (operating-system-file-systems os)))
|
||
(filter (lambda (md)
|
||
(let ((users (mapped-device-users md file-systems)))
|
||
(not (any file-system-needed-for-boot? users))))
|
||
devices)))
|
||
|
||
(define (operating-system-boot-mapped-devices os)
|
||
"Return the subset of mapped devices that must be installed during boot,
|
||
from the initrd."
|
||
(let ((devices (operating-system-mapped-devices os))
|
||
(file-systems (operating-system-file-systems os)))
|
||
(filter (lambda (md)
|
||
(let ((users (mapped-device-users md file-systems)))
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||
(any file-system-needed-for-boot? users)))
|
||
devices)))
|
||
|
||
(define (device-mapping-services os)
|
||
"Return the list of device-mapping services for OS as a list."
|
||
(map device-mapping-service
|
||
(operating-system-user-mapped-devices os)))
|
||
|
||
(define (swap-services os)
|
||
"Return the list of swap services for OS."
|
||
(map swap-service (operating-system-swap-devices os)))
|
||
|
||
(define* (system-linux-image-file-name)
|
||
"Return the basename of the kernel image file for SYSTEM."
|
||
;; FIXME: Evaluate the conditional based on the actual current system.
|
||
(let ((target (or (%current-target-system) (%current-system))))
|
||
(cond
|
||
((string-prefix? "arm" target) "zImage")
|
||
((string-prefix? "mips" target) "vmlinuz")
|
||
((string-prefix? "aarch64" target) "Image")
|
||
(else "bzImage"))))
|
||
|
||
(define (operating-system-kernel-file os)
|
||
"Return an object representing the absolute file name of the kernel image of
|
||
OS."
|
||
(file-append (operating-system-kernel os)
|
||
"/" (system-linux-image-file-name)))
|
||
|
||
(define (package-for-kernel target-kernel module-package)
|
||
"Return a package like MODULE-PACKAGE, adapted for TARGET-KERNEL, if
|
||
possible (that is if there's a LINUX keyword argument in the build system)."
|
||
(package
|
||
(inherit module-package)
|
||
(arguments
|
||
(substitute-keyword-arguments (package-arguments module-package)
|
||
((#:linux kernel #f)
|
||
target-kernel)))))
|
||
|
||
(define %default-modprobe-blacklist
|
||
;; List of kernel modules to blacklist by default.
|
||
'("usbmouse" ;races with bcm5974, see <https://bugs.gnu.org/35574>
|
||
"usbkbd")) ;races with usbhid, see <https://issues.guix.gnu.org/35574#18>
|
||
|
||
(define %default-kernel-arguments
|
||
;; Default arguments passed to the kernel.
|
||
(list (string-append "modprobe.blacklist="
|
||
(string-join %default-modprobe-blacklist ","))
|
||
"quiet"))
|
||
|
||
(define* (operating-system-directory-base-entries os)
|
||
"Return the basic entries of the 'system' directory of OS for use as the
|
||
value of the SYSTEM-SERVICE-TYPE service."
|
||
(let* ((locale (operating-system-locale-directory os))
|
||
(kernel (operating-system-kernel os))
|
||
(modules (operating-system-kernel-loadable-modules os))
|
||
(kernel (profile
|
||
(content (packages->manifest
|
||
(cons kernel
|
||
(map (lambda (module)
|
||
(if (package? module)
|
||
(package-for-kernel kernel
|
||
module)
|
||
module))
|
||
modules))))
|
||
(hooks (list linux-module-database))))
|
||
(initrd (operating-system-initrd-file os))
|
||
(params (operating-system-boot-parameters-file os)))
|
||
`(("kernel" ,kernel)
|
||
("parameters" ,params)
|
||
("initrd" ,initrd)
|
||
("locale" ,locale)))) ;used by libc
|
||
|
||
(define (operating-system-default-essential-services os)
|
||
"Return the list of essential services for OS. These are special services
|
||
that implement part of what's declared in OS are responsible for low-level
|
||
bookkeeping."
|
||
(define known-fs
|
||
(map file-system-mount-point (operating-system-file-systems os)))
|
||
|
||
(let* ((mappings (device-mapping-services os))
|
||
(root-fs (root-file-system-service))
|
||
(other-fs (non-boot-file-system-service os))
|
||
(swaps (swap-services os))
|
||
(procs (service user-processes-service-type))
|
||
(host-name (host-name-service (operating-system-host-name os)))
|
||
(entries (operating-system-directory-base-entries os)))
|
||
(cons* (service system-service-type entries)
|
||
%boot-service
|
||
|
||
;; %SHEPHERD-ROOT-SERVICE must come last so that the gexp that
|
||
;; execs shepherd comes last in the boot script (XXX). Likewise,
|
||
;; the cleanup service must come first so that its gexp runs before
|
||
;; activation code.
|
||
(service cleanup-service-type #f)
|
||
%activation-service
|
||
%shepherd-root-service
|
||
|
||
(pam-root-service (operating-system-pam-services os))
|
||
(account-service (append (operating-system-accounts os)
|
||
(operating-system-groups os))
|
||
(operating-system-skeletons os))
|
||
(operating-system-etc-service os)
|
||
(service fstab-service-type
|
||
(filter file-system-needed-for-boot?
|
||
(operating-system-file-systems os)))
|
||
(session-environment-service
|
||
(operating-system-environment-variables os))
|
||
host-name procs root-fs
|
||
(service setuid-program-service-type
|
||
(operating-system-setuid-programs os))
|
||
(service profile-service-type
|
||
(operating-system-packages os))
|
||
other-fs
|
||
(append mappings swaps
|
||
|
||
;; Add the firmware service.
|
||
(list %linux-bare-metal-service
|
||
(service firmware-service-type
|
||
(operating-system-firmware os)))))))
|
||
|
||
(define* (operating-system-services os)
|
||
"Return all the services of OS, including \"essential\" services."
|
||
(instantiate-missing-services
|
||
(append (operating-system-user-services os)
|
||
(operating-system-essential-services os))))
|
||
|
||
(define (operating-system-with-gc-roots os roots)
|
||
"Return a variant of OS where ROOTS are registered as GC roots."
|
||
(operating-system
|
||
(inherit os)
|
||
|
||
;; We use this procedure for the installation OS, which already defines GC
|
||
;; roots. Add ROOTS to those.
|
||
(services (cons (simple-service 'extra-root
|
||
gc-root-service-type roots)
|
||
(operating-system-user-services os)))))
|
||
|
||
(define* (operating-system-with-provenance os #:optional config-file)
|
||
"Return a variant of OS that stores its own provenance information,
|
||
including CONFIG-FILE, if available. This is achieved by adding an instance
|
||
of PROVENANCE-SERVICE-TYPE to its services."
|
||
(operating-system
|
||
(inherit os)
|
||
(services (cons (service provenance-service-type config-file)
|
||
(operating-system-user-services os)))))
|
||
|
||
|
||
;;;
|
||
;;; /etc.
|
||
;;;
|
||
|
||
(define %base-firmware
|
||
;; Firmware usable by default.
|
||
(list ath9k-htc-firmware
|
||
openfwwf-firmware))
|
||
|
||
(define %base-packages-utils
|
||
;; Default set of utilities packages.
|
||
(cons* procps psmisc which
|
||
(@ (gnu packages admin) shadow) ;for 'passwd'
|
||
|
||
guile-3.0
|
||
|
||
;; The packages below are also in %FINAL-INPUTS, so take them from
|
||
;; there to avoid duplication.
|
||
(list bash coreutils findutils grep sed
|
||
diffutils patch gawk tar gzip bzip2 xz lzip)))
|
||
|
||
(define %base-packages-linux
|
||
;; Default set of linux specific packages.
|
||
(list pciutils usbutils
|
||
util-linux+udev
|
||
;; Get 'insmod' & co. from kmod, not module-init-tools, since udev
|
||
;; already depends on it anyway.
|
||
kmod eudev))
|
||
|
||
(define %base-packages-interactive
|
||
;; Default set of common interactive packages.
|
||
(list less zile nano
|
||
man-db
|
||
info-reader ;the standalone Info reader (no Perl)
|
||
bash-completion
|
||
kbd
|
||
;; The 'sudo' command is already in %SETUID-PROGRAMS, but we also
|
||
;; want the other commands and the man pages (notably because
|
||
;; auto-completion in Emacs shell relies on man pages.)
|
||
sudo
|
||
guile-readline guile-colorized))
|
||
|
||
(define %base-packages-networking
|
||
;; Default set of networking packages.
|
||
(list inetutils isc-dhcp
|
||
iproute
|
||
;; wireless-tools is deprecated in favor of iw, but it's still what
|
||
;; many people are familiar with, so keep it around.
|
||
iw wireless-tools))
|
||
|
||
(define %base-packages
|
||
;; Default set of packages globally visible. It should include anything
|
||
;; required for basic administrator tasks.
|
||
(append (list e2fsprogs)
|
||
%base-packages-interactive
|
||
%base-packages-linux
|
||
%base-packages-networking
|
||
%base-packages-utils))
|
||
|
||
(define %default-issue
|
||
;; Default contents for /etc/issue.
|
||
"
|
||
This is the GNU system. Welcome.\n")
|
||
|
||
(define (local-host-aliases host-name)
|
||
"Return aliases for HOST-NAME, to be used in /etc/hosts."
|
||
(string-append "127.0.0.1 localhost " host-name "\n"
|
||
"::1 localhost " host-name "\n"))
|
||
|
||
(define (default-/etc/hosts host-name)
|
||
"Return the default /etc/hosts file."
|
||
(plain-file "hosts" (local-host-aliases host-name)))
|
||
|
||
(define* (operating-system-etc-service os)
|
||
"Return a <service> that builds containing the static part of the /etc
|
||
directory."
|
||
(let ((login.defs
|
||
(plain-file "login.defs"
|
||
(string-append
|
||
"# Default paths for non-login shells started by su(1).\n"
|
||
"ENV_PATH /run/setuid-programs:"
|
||
"/run/current-system/profile/bin:"
|
||
"/run/current-system/profile/sbin\n"
|
||
"ENV_SUPATH /run/setuid-programs:"
|
||
"/run/current-system/profile/bin:"
|
||
"/run/current-system/profile/sbin\n")))
|
||
|
||
(issue (plain-file "issue" (operating-system-issue os)))
|
||
(nsswitch (plain-file "nsswitch.conf"
|
||
(name-service-switch->string
|
||
(operating-system-name-service-switch os))))
|
||
|
||
;; Startup file for POSIX-compliant login shells, which set system-wide
|
||
;; environment variables.
|
||
(profile (mixed-text-file "profile" "\
|
||
# Crucial variables that could be missing in the profiles' 'etc/profile'
|
||
# because they would require combining both profiles.
|
||
# FIXME: See <http://bugs.gnu.org/20255>.
|
||
export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man
|
||
export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info
|
||
export XDG_DATA_DIRS=$HOME/.guix-profile/share:/run/current-system/profile/share
|
||
export XDG_CONFIG_DIRS=$HOME/.guix-profile/etc/xdg:/run/current-system/profile/etc/xdg
|
||
|
||
# Make sure libXcursor finds cursors installed into user or system profiles. See <http://bugs.gnu.org/24445>
|
||
export XCURSOR_PATH=$HOME/.icons:$HOME/.guix-profile/share/icons:/run/current-system/profile/share/icons
|
||
|
||
# Ignore the default value of 'PATH'.
|
||
unset PATH
|
||
|
||
# Load the system profile's settings.
|
||
GUIX_PROFILE=/run/current-system/profile ; \\
|
||
. /run/current-system/profile/etc/profile
|
||
|
||
# Since 'lshd' does not use pam_env, /etc/environment must be explicitly
|
||
# loaded when someone logs in via SSH. See <http://bugs.gnu.org/22175>.
|
||
# We need 'PATH' to be defined here, for 'cat' and 'cut'. Do this before
|
||
# reading the user's 'etc/profile' to allow variables to be overridden.
|
||
if [ -f /etc/environment -a -n \"$SSH_CLIENT\" \\
|
||
-a -z \"$LINUX_MODULE_DIRECTORY\" ]
|
||
then
|
||
. /etc/environment
|
||
export `cat /etc/environment | cut -d= -f1`
|
||
fi
|
||
|
||
# Arrange so that ~/.config/guix/current comes first.
|
||
for profile in \"$HOME/.guix-profile\" \"$HOME/.config/guix/current\"
|
||
do
|
||
if [ -f \"$profile/etc/profile\" ]
|
||
then
|
||
# Load the user profile's settings.
|
||
GUIX_PROFILE=\"$profile\" ; \\
|
||
. \"$profile/etc/profile\"
|
||
else
|
||
# At least define this one so that basic things just work
|
||
# when the user installs their first package.
|
||
export PATH=\"$profile/bin:$PATH\"
|
||
fi
|
||
done
|
||
|
||
# Prepend setuid programs.
|
||
export PATH=/run/setuid-programs:$PATH
|
||
|
||
# Arrange so that ~/.config/guix/current/share/info comes first.
|
||
export INFOPATH=\"$HOME/.config/guix/current/share/info:$INFOPATH\"
|
||
|
||
# Set the umask, notably for users logging in via 'lsh'.
|
||
# See <http://bugs.gnu.org/22650>.
|
||
umask 022
|
||
|
||
# Allow Hunspell-based applications (IceCat, LibreOffice, etc.) to
|
||
# find dictionaries.
|
||
export DICPATH=\"$HOME/.guix-profile/share/hunspell:/run/current-system/profile/share/hunspell\"
|
||
|
||
# Allow GStreamer-based applications to find plugins.
|
||
export GST_PLUGIN_PATH=\"$HOME/.guix-profile/lib/gstreamer-1.0\"
|
||
|
||
if [ -n \"$BASH_VERSION\" -a -f /etc/bashrc ]
|
||
then
|
||
# Load Bash-specific initialization code.
|
||
. /etc/bashrc
|
||
fi
|
||
"))
|
||
|
||
(bashrc (plain-file "bashrc" "\
|
||
# Bash-specific initialization.
|
||
|
||
# The 'bash-completion' package.
|
||
if [ -f /run/current-system/profile/etc/profile.d/bash_completion.sh ]
|
||
then
|
||
# Bash-completion sources ~/.bash_completion. It installs a dynamic
|
||
# completion loader that searches its own completion files as well
|
||
# as those in ~/.guix-profile and /run/current-system/profile.
|
||
source /run/current-system/profile/etc/profile.d/bash_completion.sh
|
||
fi\n")))
|
||
(etc-service
|
||
`(("services" ,(file-append net-base "/etc/services"))
|
||
("protocols" ,(file-append net-base "/etc/protocols"))
|
||
("rpc" ,(file-append net-base "/etc/rpc"))
|
||
("login.defs" ,#~#$login.defs)
|
||
("issue" ,#~#$issue)
|
||
("nsswitch.conf" ,#~#$nsswitch)
|
||
("profile" ,#~#$profile)
|
||
("bashrc" ,#~#$bashrc)
|
||
("hosts" ,#~#$(or (operating-system-hosts-file os)
|
||
(default-/etc/hosts (operating-system-host-name os))))
|
||
;; Write the operating-system-host-name to /etc/hostname to prevent
|
||
;; NetworkManager from changing the system's hostname when connecting
|
||
;; to certain networks. Some discussion at
|
||
;; https://lists.gnu.org/archive/html/help-guix/2017-09/msg00037.html
|
||
("hostname" ,(plain-file "hostname" (operating-system-host-name os)))
|
||
;; Some programs (e.g., GLib) look at /etc/timezone to find the
|
||
;; name of the current timezone. For details, see
|
||
;; https://lists.gnu.org/archive/html/guix-devel/2019-07/msg00166.html
|
||
("timezone" ,(plain-file "timezone" (operating-system-timezone os)))
|
||
("localtime" ,(file-append tzdata "/share/zoneinfo/"
|
||
(operating-system-timezone os)))
|
||
("sudoers" ,(operating-system-sudoers-file os))))))
|
||
|
||
(define %root-account
|
||
;; Default root account.
|
||
(user-account
|
||
(name "root")
|
||
(password "")
|
||
(uid 0) (group "root")
|
||
(comment "System administrator")
|
||
(home-directory "/root")))
|
||
|
||
(define (operating-system-accounts os)
|
||
"Return the user accounts for OS, including an obligatory 'root' account,
|
||
and excluding accounts requested by services."
|
||
;; Make sure there's a root account.
|
||
(if (find (lambda (user)
|
||
(and=> (user-account-uid user) zero?))
|
||
(operating-system-users os))
|
||
(operating-system-users os)
|
||
(cons %root-account (operating-system-users os))))
|
||
|
||
(define (maybe-string->file file-name thing)
|
||
"If THING is a string, return a <plain-file> with THING as its content.
|
||
Otherwise just return THING.
|
||
|
||
This is for backward-compatibility of fields that used to be strings and are
|
||
now file-like objects.."
|
||
(match thing
|
||
((? string?)
|
||
(warning (G_ "using a string for file '~a' is deprecated; \
|
||
use 'plain-file' instead~%")
|
||
file-name)
|
||
(plain-file file-name thing))
|
||
(x
|
||
x)))
|
||
|
||
(define (maybe-file->monadic file-name thing)
|
||
"If THING is a value in %STORE-MONAD, return it as is; otherwise return
|
||
THING in the %STORE-MONAD.
|
||
|
||
This is for backward-compatibility of fields that used to be monadic values
|
||
and are now file-like objects."
|
||
(with-monad %store-monad
|
||
(match thing
|
||
((? procedure?)
|
||
(warning (G_ "using a monadic value for '~a' is deprecated; \
|
||
use 'plain-file' instead~%")
|
||
file-name)
|
||
thing)
|
||
(x
|
||
(return x)))))
|
||
|
||
(define (operating-system-etc-directory os)
|
||
"Return that static part of the /etc directory of OS."
|
||
(etc-directory
|
||
(fold-services (operating-system-services os)
|
||
#:target-type etc-service-type)))
|
||
|
||
(define (operating-system-environment-variables os)
|
||
"Return the environment variables of OS for
|
||
@var{session-environment-service-type}, to be used in @file{/etc/environment}."
|
||
`(("LANG" . ,(operating-system-locale os))
|
||
;; Note: No need to set 'TZ' since (1) we provide /etc/localtime, and (2)
|
||
;; it doesn't work for setuid binaries. See <https://bugs.gnu.org/29212>.
|
||
("TZDIR" . ,(file-append tzdata "/share/zoneinfo"))
|
||
;; Tell 'modprobe' & co. where to look for modules.
|
||
("LINUX_MODULE_DIRECTORY" . "/run/booted-system/kernel/lib/modules")
|
||
;; These variables are honored by OpenSSL (libssl) and Git.
|
||
("SSL_CERT_DIR" . "/etc/ssl/certs")
|
||
("SSL_CERT_FILE" . "/etc/ssl/certs/ca-certificates.crt")
|
||
("GIT_SSL_CAINFO" . "/etc/ssl/certs/ca-certificates.crt")
|
||
|
||
;; 'GTK_DATA_PREFIX' must name one directory where GTK+ themes are
|
||
;; searched for.
|
||
("GTK_DATA_PREFIX" . "/run/current-system/profile")
|
||
|
||
;; By default, applications that use D-Bus, such as Emacs, abort at startup
|
||
;; when /etc/machine-id is missing. Make sure these warnings are non-fatal.
|
||
("DBUS_FATAL_WARNINGS" . "0")
|
||
|
||
;; XXX: Normally we wouldn't need to do this, but our glibc@2.23 package
|
||
;; used to look things up in 'PREFIX/lib/locale' instead of
|
||
;; '/run/current-system/locale' as was intended. Keep this hack around so
|
||
;; that people who still have glibc@2.23-using packages in their profiles
|
||
;; can use them correctly.
|
||
;; TODO: Remove when glibc@2.23 is long gone.
|
||
("GUIX_LOCPATH" . "/run/current-system/locale")))
|
||
|
||
(define %setuid-programs
|
||
;; Default set of setuid-root programs.
|
||
(let ((shadow (@ (gnu packages admin) shadow)))
|
||
(list (file-append shadow "/bin/passwd")
|
||
(file-append shadow "/bin/su")
|
||
(file-append shadow "/bin/newuidmap")
|
||
(file-append shadow "/bin/newgidmap")
|
||
(file-append inetutils "/bin/ping")
|
||
(file-append inetutils "/bin/ping6")
|
||
(file-append sudo "/bin/sudo")
|
||
(file-append sudo "/bin/sudoedit")
|
||
(file-append fuse "/bin/fusermount")
|
||
|
||
;; To allow mounts with the "user" option, "mount" and "umount" must
|
||
;; be setuid-root.
|
||
(file-append util-linux "/bin/mount")
|
||
(file-append util-linux "/bin/umount"))))
|
||
|
||
(define %sudoers-specification
|
||
;; Default /etc/sudoers contents: 'root' and all members of the 'wheel'
|
||
;; group can do anything. See
|
||
;; <http://www.sudo.ws/sudo/man/1.8.10/sudoers.man.html>.
|
||
;; TODO: Add a declarative API.
|
||
(plain-file "sudoers" "\
|
||
root ALL=(ALL) ALL
|
||
%wheel ALL=(ALL) ALL\n"))
|
||
|
||
(define* (operating-system-activation-script os)
|
||
"Return the activation script for OS---i.e., the code that \"activates\" the
|
||
stateful part of OS, including user accounts and groups, special directories,
|
||
etc."
|
||
(let* ((services (operating-system-services os))
|
||
(activation (fold-services services
|
||
#:target-type activation-service-type)))
|
||
(activation-service->script activation)))
|
||
|
||
(define* (operating-system-boot-script os)
|
||
"Return the boot script for OS---i.e., the code started by the initrd once
|
||
we're running in the final root."
|
||
(let* ((services (operating-system-services os))
|
||
(boot (fold-services services #:target-type boot-service-type)))
|
||
(service-value boot)))
|
||
|
||
(define (operating-system-user-accounts os)
|
||
"Return the list of user accounts of OS."
|
||
(let* ((services (operating-system-services os))
|
||
(account (fold-services services
|
||
#:target-type account-service-type)))
|
||
(filter user-account?
|
||
(service-value account))))
|
||
|
||
(define (operating-system-shepherd-service-names os)
|
||
"Return the list of Shepherd service names for OS."
|
||
(append-map shepherd-service-provision
|
||
(service-value
|
||
(fold-services (operating-system-services os)
|
||
#:target-type
|
||
shepherd-root-service-type))))
|
||
|
||
(define* (operating-system-derivation os)
|
||
"Return a derivation that builds OS."
|
||
(let* ((services (operating-system-services os))
|
||
(system (fold-services services)))
|
||
;; SYSTEM contains the derivation as a monadic value.
|
||
(service-value system)))
|
||
|
||
(define* (operating-system-profile os)
|
||
"Return a derivation that builds the system profile of OS."
|
||
(mlet* %store-monad
|
||
((services -> (operating-system-services os))
|
||
(profile (fold-services services
|
||
#:target-type profile-service-type)))
|
||
(match profile
|
||
(("profile" profile)
|
||
(return profile)))))
|
||
|
||
(define (operating-system-root-file-system os)
|
||
"Return the root file system of OS."
|
||
(find (lambda (fs)
|
||
(string=? "/" (file-system-mount-point fs)))
|
||
(operating-system-file-systems os)))
|
||
|
||
(define (operating-system-initrd-file os)
|
||
"Return a gexp denoting the initrd file of OS."
|
||
(define boot-file-systems
|
||
(filter file-system-needed-for-boot?
|
||
(operating-system-file-systems os)))
|
||
|
||
(define mapped-devices
|
||
(operating-system-boot-mapped-devices os))
|
||
|
||
(define make-initrd
|
||
(operating-system-initrd os))
|
||
|
||
(make-initrd boot-file-systems
|
||
#:linux (operating-system-kernel os)
|
||
#:linux-modules
|
||
(operating-system-initrd-modules os)
|
||
#:mapped-devices mapped-devices
|
||
#:keyboard-layout (operating-system-keyboard-layout os)))
|
||
|
||
(define* (operating-system-uuid os #:optional (type 'dce))
|
||
"Compute UUID object with a deterministic \"UUID\" for OS, of the given
|
||
TYPE (one of 'iso9660 or 'dce). Return a UUID object."
|
||
;; Note: For this to be deterministic, we must not hash things that contains
|
||
;; (directly or indirectly) procedures, for example. That rules out
|
||
;; anything that contains gexps, thunk or delayed record fields, etc.
|
||
|
||
(define service-name
|
||
(compose service-type-name service-kind))
|
||
|
||
(define (file-system-digest fs)
|
||
;; Return a hashable digest that does not contain 'dependencies' since
|
||
;; this field can contain procedures.
|
||
(let ((device (file-system-device fs)))
|
||
(list (file-system-mount-point fs)
|
||
(file-system-type fs)
|
||
(file-system-device->string device)
|
||
(file-system-options fs))))
|
||
|
||
(if (eq? type 'iso9660)
|
||
(let ((pad (compose (cut string-pad <> 2 #\0)
|
||
number->string))
|
||
(h (hash (map service-name (operating-system-services os))
|
||
3600)))
|
||
(bytevector->uuid
|
||
(string->iso9660-uuid
|
||
(string-append "1970-01-01-"
|
||
(pad (hash (operating-system-host-name os) 24)) "-"
|
||
(pad (quotient h 60)) "-"
|
||
(pad (modulo h 60)) "-"
|
||
(pad (hash (map file-system-digest
|
||
(operating-system-file-systems os))
|
||
100))))
|
||
'iso9660))
|
||
(bytevector->uuid
|
||
(uint-list->bytevector
|
||
(list (hash (map file-system-digest
|
||
(operating-system-file-systems os))
|
||
(- (expt 2 32) 1))
|
||
(hash (operating-system-host-name os)
|
||
(- (expt 2 32) 1))
|
||
(hash (map service-name (operating-system-services os))
|
||
(- (expt 2 32) 1))
|
||
(hash (map file-system-digest (operating-system-file-systems os))
|
||
(- (expt 2 32) 1)))
|
||
(endianness little)
|
||
4)
|
||
type)))
|
||
|
||
(define (locale-name->definition* name)
|
||
"Variant of 'locale-name->definition' that raises an error upon failure."
|
||
(match (locale-name->definition name)
|
||
(#f
|
||
(raise (condition
|
||
(&message
|
||
(message (format #f (G_ "~a: invalid locale name") name))))))
|
||
(def def)))
|
||
|
||
(define (operating-system-locale-directory os)
|
||
"Return the directory containing the locales compiled for the definitions
|
||
listed in OS. The C library expects to find it under
|
||
/run/current-system/locale."
|
||
(define name
|
||
(operating-system-locale os))
|
||
|
||
(define definitions
|
||
;; While we're at it, check whether NAME is defined and add it if needed.
|
||
(if (member name (map locale-definition-name
|
||
(operating-system-locale-definitions os)))
|
||
(operating-system-locale-definitions os)
|
||
(cons (locale-name->definition* name)
|
||
(operating-system-locale-definitions os))))
|
||
|
||
(locale-directory definitions
|
||
#:libcs (operating-system-locale-libcs os)))
|
||
|
||
(define (kernel->boot-label kernel)
|
||
"Return a label for the bootloader menu entry that boots KERNEL."
|
||
(cond ((package? kernel)
|
||
(string-append "GNU with "
|
||
(string-titlecase (package-name kernel)) " "
|
||
(package-version kernel)))
|
||
((inferior-package? kernel)
|
||
(string-append "GNU with "
|
||
(string-titlecase (inferior-package-name kernel)) " "
|
||
(inferior-package-version kernel)))
|
||
(else "GNU")))
|
||
|
||
(define (operating-system-default-label os)
|
||
"Return the default label for OS, as it will appear in the bootloader menu
|
||
entry."
|
||
(kernel->boot-label (operating-system-kernel os)))
|
||
|
||
(define (store-file-system file-systems)
|
||
"Return the file system object among FILE-SYSTEMS that contains the store."
|
||
(match (filter (lambda (fs)
|
||
(and (file-system-mount? fs)
|
||
(not (memq 'bind-mount (file-system-flags fs)))
|
||
(string-prefix? (file-system-mount-point fs)
|
||
(%store-prefix))))
|
||
file-systems)
|
||
((and candidates (head . tail))
|
||
(reduce (lambda (fs1 fs2)
|
||
(if (> (string-length (file-system-mount-point fs1))
|
||
(string-length (file-system-mount-point fs2)))
|
||
fs1
|
||
fs2))
|
||
head
|
||
candidates))))
|
||
|
||
(define (operating-system-store-file-system os)
|
||
"Return the file system that contains the store of OS."
|
||
(store-file-system (operating-system-file-systems os)))
|
||
|
||
(define* (operating-system-bootcfg os #:optional (old-entries '()))
|
||
"Return the bootloader configuration file for OS. Use OLD-ENTRIES,
|
||
a list of <menu-entry>, to populate the \"old entries\" menu."
|
||
(let* ((root-fs (operating-system-root-file-system os))
|
||
(root-device (file-system-device root-fs))
|
||
(params (operating-system-boot-parameters
|
||
os root-device
|
||
#:system-kernel-arguments? #t))
|
||
(entry (boot-parameters->menu-entry params))
|
||
(bootloader-conf (operating-system-bootloader os)))
|
||
(define generate-config-file
|
||
(bootloader-configuration-file-generator
|
||
(bootloader-configuration-bootloader bootloader-conf)))
|
||
|
||
(generate-config-file bootloader-conf (list entry)
|
||
#:old-entries old-entries)))
|
||
|
||
(define* (operating-system-boot-parameters os root-device
|
||
#:key system-kernel-arguments?)
|
||
"Return a monadic <boot-parameters> record that describes the boot
|
||
parameters of OS. When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments
|
||
such as '--root' and '--load' to <boot-parameters>."
|
||
(let* ((initrd (operating-system-initrd-file os))
|
||
(store (operating-system-store-file-system os))
|
||
(bootloader (bootloader-configuration-bootloader
|
||
(operating-system-bootloader os)))
|
||
(bootloader-name (bootloader-name bootloader))
|
||
(label (operating-system-label os)))
|
||
(boot-parameters
|
||
(label label)
|
||
(root-device root-device)
|
||
(kernel (operating-system-kernel-file os))
|
||
(kernel-arguments
|
||
(if system-kernel-arguments?
|
||
(operating-system-kernel-arguments os root-device)
|
||
(operating-system-user-kernel-arguments os)))
|
||
(initrd initrd)
|
||
(bootloader-name bootloader-name)
|
||
(bootloader-menu-entries
|
||
(bootloader-configuration-menu-entries (operating-system-bootloader os)))
|
||
(store-device (ensure-not-/dev (file-system-device store)))
|
||
(store-mount-point (file-system-mount-point store)))))
|
||
|
||
(define (device->sexp device)
|
||
"Serialize DEVICE as an sexp (really, as an object with a read syntax.)"
|
||
(match device
|
||
((? uuid? uuid)
|
||
`(uuid ,(uuid-type uuid) ,(uuid-bytevector uuid)))
|
||
((? file-system-label? label)
|
||
`(file-system-label ,(file-system-label->string label)))
|
||
(_
|
||
device)))
|
||
|
||
(define* (operating-system-boot-parameters-file os
|
||
#:key system-kernel-arguments?)
|
||
"Return a file that describes the boot parameters of OS. The primary use of
|
||
this file is the reconstruction of GRUB menu entries for old configurations.
|
||
|
||
When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments such as '--root'
|
||
and '--load' to the returned file (since the returned file is then usually
|
||
stored into the content-addressed \"system\" directory, it's usually not a
|
||
good idea to give it because the content hash would change by the content hash
|
||
being stored into the \"parameters\" file)."
|
||
(let* ((root (operating-system-root-file-system os))
|
||
(device (file-system-device root))
|
||
(params (operating-system-boot-parameters
|
||
os device
|
||
#:system-kernel-arguments?
|
||
system-kernel-arguments?)))
|
||
(scheme-file "parameters"
|
||
#~(boot-parameters
|
||
(version 0)
|
||
(label #$(boot-parameters-label params))
|
||
(root-device
|
||
#$(device->sexp
|
||
(boot-parameters-root-device params)))
|
||
(kernel #$(boot-parameters-kernel params))
|
||
(kernel-arguments
|
||
#$(boot-parameters-kernel-arguments params))
|
||
(initrd #$(boot-parameters-initrd params))
|
||
(bootloader-name #$(boot-parameters-bootloader-name params))
|
||
(bootloader-menu-entries
|
||
#$(map menu-entry->sexp
|
||
(or (and=> (operating-system-bootloader os)
|
||
bootloader-configuration-menu-entries)
|
||
'())))
|
||
(store
|
||
(device
|
||
#$(device->sexp (boot-parameters-store-device params)))
|
||
(mount-point #$(boot-parameters-store-mount-point
|
||
params))))
|
||
#:set-load-path? #f)))
|
||
|
||
(define-gexp-compiler (operating-system-compiler (os <operating-system>)
|
||
system target)
|
||
((store-lift
|
||
(lambda (store)
|
||
;; XXX: This is not super elegant but we can't pass SYSTEM and TARGET to
|
||
;; 'operating-system-derivation'.
|
||
(run-with-store store (operating-system-derivation os)
|
||
#:system system
|
||
#:target target)))))
|
||
|
||
;;; system.scm ends here
|