;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2015, 2016 Roel Janssen ;;; Copyright © 2015, 2018 Pjotr Prins ;;; Copyright © 2017 Frederick Muriithi ;;; Copyright © 2017 Ricardo Wurmus ;;; Copyright © 2017, 2019, 2022 Tobias Geerinckx-Rice ;;; Copyright © 2020 Guy Fleury Iteriteka ;;; Copyright © 2021-2023 Efraim Flashner ;;; Copyright © 2021 Maxim Cournoyer ;;; Copyright © 2022 ( ;;; Copyright © 2022 Esther Flashner ;;; ;;; 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 packages dlang) #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) #:use-module (guix download) #:use-module (guix git-download) #:use-module (guix gexp) #:use-module (guix utils) #:use-module ((guix build utils) #:hide (delete which)) #:use-module (guix build-system gnu) #:use-module (guix build-system cmake) #:use-module (guix build-system copy) #:use-module (gnu packages) #:use-module (gnu packages base) #:use-module (gnu packages check) #:use-module (gnu packages compression) #:use-module (gnu packages curl) #:use
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014-2022, 2024 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2017, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2020, 2024 Florian Pelz <pelzflorian@pelzflorian.de>
;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2022 Josselin Poiret <dev@jpoiret.xyz>
;;; Copyright © 2023 Herman Rimm <herman@rimm.ee>
;;;
;;; 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 install)
  #:use-module (gnu)
  #:use-module (gnu system)
  #:use-module (gnu system privilege)
  #:use-module (gnu bootloader u-boot)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:use-module (guix modules)
  #:use-module ((guix packages) #:select (package-version supported-package?))
  #:use-module (guix platform)
  #:use-module (guix utils)
  #:use-module (gnu installer)
  #:use-module (gnu system locale)
  #:use-module (gnu services avahi)
  #:use-module (gnu services dbus)
  #:use-module (gnu services networking)
  #:use-module (gnu services shepherd)
  #:use-module (gnu services ssh)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages bootloaders)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages cryptsetup)
  #:use-module (gnu packages disk)
  #:use-module (gnu packages file-systems)
  #:use-module (gnu packages fonts)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages package-management)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages xorg)
  #:use-module (ice-9 match)
  #:export (installation-os
            a20-olinuxino-lime-installation-os
            a20-olinuxino-lime2-emmc-installation-os
            a20-olinuxino-micro-installation-os
            bananapi-m2-ultra-installation-os
            beaglebone-black-installation-os
            mx6cuboxi-installation-os
            nintendo-nes-classic-edition-installation-os
            novena-installation-os
            orangepi-r1-plus-lts-rk3328-installation-os
            firefly-rk3399-installation-os
            pine64-plus-installation-os
            pinebook-installation-os
            rock64-installation-os
            rockpro64-installation-os
            rk3399-puma-installation-os
            wandboard-installation-os
            os-with-u-boot))

;;; Commentary:
;;;
;;; This module provides an 'operating-system' definition for use on images
;;; for USB sticks etc., for the installation of the GNU system.
;;;
;;; Code:


;;;
;;; Documentation service.
;;;

(define %installation-node-names
  ;; Translated name of the "System Installation" node of the manual.  Ideally
  ;; we'd extract it from the 'guix-manual' gettext domain, but that one is
  ;; usually not available at run time, hence this hack.
  '(("de" . "Systeminstallation")
    ("en" . "System Installation")
    ("es" . "Instalación del sistema")
    ("fr" . "Installation du système")
    ("pt_BR" . "Instalação do sistema")
    ("ru" . "Установка системы")
    ("zh_CN" . "系统安装")))

(define (log-to-info tty user)
  "Return a script that spawns the Info reader on the right section of the
manual."
  (program-file "log-to-info"
                #~(let* ((tty      (open-file #$(string-append "/dev/" tty)
                                              "r0+"))
                         (locale   (cadr (command-line)))
                         (language (string-take locale
                                                (string-index locale #\_)))
                         (with-region (string-take locale
                                                   (string-index
                                                    locale
                                                    (char-set #\. #\/ #\@))))
                         (infodir  "/run/current-system/profile/share/info")
                         (per-lang (lambda (code)
                                     (string-append infodir "/guix." code
                                                    ".info.gz")))
                         (file ((@ (srfi srfi-1) find) file-exists?
                                (list (per-lang with-region)
                                      (per-lang language)
                                      (string-append infodir
                                                     "/guix.info.gz"))))
                         (node     (or (assoc-ref '#$%installation-node-names
                                                  with-region)
                                       (assoc-ref '#$%installation-node-names
                                                  language)
                                       "System Installation")))
                    (redirect-port tty (current-output-port))
                    (redirect-port tty (current-error-port))
                    (redirect-port tty (current-input-port))

                    (let ((pw (getpwnam #$user)))
                      (setgid (passwd:gid pw))
                      (setuid (passwd:uid pw)))

                    ;; 'gunzip' is needed to decompress the doc.
                    (setenv "PATH" (string-append #$gzip "/bin"))

                    ;; Change this process' locale so that command-line
                    ;; arguments to 'info' are properly encoded.
                    (catch #t
                      (lambda ()
                        (setlocale LC_ALL locale)
                        (setenv "LC_ALL" locale))
                      (lambda _
                        ;; Sometimes LOCALE itself is not available.  In that
                        ;; case pick the one UTF-8 locale that's known to work
                        ;; instead of failing.
                        (setlocale LC_ALL "en_US.utf8")
                        (setenv "LC_ALL" "en_US.utf8")))

                    (execl #$(file-append info-reader "/bin/info")
                           "info" "-d" infodir "-f" file "-n" node))))

(define (documentation-shepherd-service tty)
  (list (shepherd-service
         (provision (list (symbol-append 'term- (string->symbol tty))))
         (requirement '(user-processes host-name udev virtual-terminal))
         (start #~(lambda* (#:optional (locale "en_US.utf8"))
                    (fork+exec-command
                     (list #$(log-to-info tty "documentation") locale)
                     #:environment-variables
                     `("GUIX_LOCPATH=/run/current-system/locale"
                       "TERM=linux"))))
         (stop #~(make-kill-destructor)))))

(define %documentation-users
  ;; User account for the Info viewer.
  (list (user-account (name "documentation")
                      (system? #t)
                      (group "nogroup")
                      (home-directory "/var/empty"))))

(define documentation-service-type
  ;; Documentation viewer service.
  (service-type (name 'documentation)
                (extensions
                 (list (service-extension shepherd-root-service-type
                                          documentation-shepherd-service)
                       (service-extension account-service-type
                                          (const %documentation-users))))
                (description "Run the Info reader on a tty.")))


(define %backing-directory
  ;; Sub-directory used as the backing store for copy-on-write.
  "/tmp/guix-inst")

(define cow-store-service-type
  (shepherd-service-type
   'cow-store
   (lambda _
     (define (import-module? module)
       ;; Since we don't use deduplication support in 'populate-store', don't
       ;; import (guix store deduplication) and its dependencies, which
       ;; includes Guile-Gcrypt.
       (and (guix-module-name? module)
            (not (equal? module '(guix store deduplication)))))

     (shepherd-service
      (requirement '(root-file-system user-processes))
      (provision '(cow-store))
      (documentation
       "Make the store copy-on-write, with writes going to \
the given target.")

      ;; This is meant to be explicitly started by the user.
      (auto-start? #f)

      (modules `((gnu build install)
                 ,@%default-modules))
      (start
       (with-imported-modules (source-module-closure
                               '((gnu build install))
                               #:select? import-module?)
         #~(case-lambda
             ((target)
              (mount-cow-store target #$%backing-directory)
              target)
             (else
              ;; Do nothing, and mark the service as stopped.
              #f))))
      (stop #~(lambda (target)
                ;; Delete the temporary directory, but leave everything
                ;; mounted as there may still be processes using it since
                ;; 'user-processes' doesn't depend on us.  The 'user-file-systems'
                ;; service will unmount TARGET eventually.
                (delete-file-recursively
                 (string-append target #$%backing-directory))))))
   (description "Make the store copy-on-write, with writes going to \
the given target.")))

(define (cow-store-service)
  "Return a service that makes the store copy-on-write, such that writes go to
the user's target storage device rather than on the RAM disk."
  ;; See <http://bugs.gnu.org/18061> for the initial report.
  (service cow-store-service-type 'mooooh!))


(define (/etc/configuration-files _)
  "Return a list of tuples representing configuration templates to add to
/etc."
  (define directory
    (computed-file "configuration-templates"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (mkdir #$output)
                         (for-each (lambda (file target)
                                     (copy-file file
                                                (string-append #$output "/"
                                                               target)))
                                   '(#$(local-file "examples/bare-bones.tmpl")
                                     #$(local-file "examples/beaglebone-black.tmpl")
                                     #$(local-file "examples/desktop.tmpl")
                                     #$(local-file "examples/lightweight-desktop.tmpl"))
                                   '("bare-bones.scm"
                                     "beaglebone-black.scm"
                                     "desktop.scm"
                                     "lightweight-desktop.scm"))
                         #t))))

  `(("configuration" ,directory)))

(define configuration-template-service-type
  (service-type (name 'configuration-template)
                (extensions
                 (list (service-extension etc-service-type
                                          /etc/configuration-files)))
                (description "Install the operating system configuration file
templates under @file{/etc/configuration}.")))

(define %configuration-template-service
  (service configuration-template-service-type #t))


(define %nscd-minimal-caches
  ;; Minimal in-memory caching policy for nscd.
  (list (nscd-cache (database 'hosts)
                    (positive-time-to-live (* 3600 12))

                    ;; Do not cache lookup failures at all since they are
                    ;; quite likely (for instance when someone tries to ping a
                    ;; host before networking is functional.)
                    (negative-time-to-live 0)

                    (persistent? #f)
                    (max-database-size (* 5 (expt 2 20)))))) ;5 MiB


;; These define a service to load the uvesafb kernel module with the
;; appropriate options.  The GUI installer needs it when the machine does not
;; support Kernel Mode Setting.  Otherwise kmscon is missing /dev/fb0.
(define (uvesafb-shepherd-service _)
  (define modprobe
    (program-file "modprobe-wrapper"
                  #~(begin
                      ;; Use a wrapper because shepherd 0.9.3 won't let us
                      ;; pass environment variables to the child process:
                      ;; <https://issues.guix.gnu.org/60106>.
                      (setenv "LINUX_MODULE_DIRECTORY"
                              "/run/booted-system/kernel/lib/modules")
                      (apply execl #$(file-append kmod "/bin/modprobe")
                             "modprobe" (cdr (command-line))))))

  (list (shepherd-service
         (documentation "Load the uvesafb kernel module if needed.")
         (provision '(maybe-uvesafb))
         (requirement '(file-systems))
         (start #~(lambda ()
                    (or (file-exists? "/dev/fb0")
                        (invoke #+modprobe
                                "uvesafb"
                                (string-append "v86d=" #$v86d "/sbin/v86d")
                                "mode_option=1024x768"))))
         (respawn? #f)
         (one-shot? #t))))

(define uvesafb-service-type
  (service-type
   (name 'uvesafb)
   (extensions
    (list (service-extension shepherd-root-service-type
                             uvesafb-shepherd-service)))
   (description
    "Load the @code{uvesafb} kernel module with the right options.")
   (default-value #t)))

(define* (%installation-services #:key (system (or (and=>
                                                    (%current-target-system)
                                                    platform-target->system)
                                                   (%current-system))))
  ;; List of services of the installation system.
  (let ((motd (plain-file "motd" "
\x1b[1;37mWelcome to the installation of GNU Guix!\x1b[0m

\x1b[2m\
Using this shell, you can carry out the installation process \"manually.\"
Access documentation at any time by pressing Alt-F2.\x1b[0m
")))
    (define (normal-tty tty)
      (service mingetty-service-type
               (mingetty-configuration (tty tty)
                                       (auto-login "root")
                                       (login-pause? #t))))

    (define bare-bones-os
      (load "examples/bare-bones.tmpl"))

    (append
     ;; Generic services
     (list (service virtual-terminal-service-type)

           (service kmscon-service-type
                    (kmscon-configuration
                     (virtual-terminal "tty1")
                     (login-program (installer-program))))

           (service login-service-type
                    (login-configuration
                     (motd motd)))

           ;; Documentation.  The manual is in UTF-8, but
           ;; 'console-font-service' sets up Unicode support and loads a font
           ;; with all the useful glyphs like em dash and quotation marks.
           (service documentation-service-type "tty2")

           ;; Documentation add-on.
           %configuration-template-service

           ;; A bunch of 'root' ttys.
           (normal-tty "tty3")
           (normal-tty "tty4")
           (normal-tty "tty5")
           (normal-tty "tty6")

           ;; The usual services.
           (service syslog-service-type)

           ;; Use the Avahi daemon to discover substitute servers on the local
           ;; network.  It can be faster than fetching from remote servers.
           (service avahi-service-type)

           ;; The build daemon.
           (service guix-service-type
                    (guix-configuration
                     ;; Register the default substitute server key(s) as
                     ;; trusted to allow the installation process to use
                     ;; substitutes by default.
                     (authorize-key? #t)

                     ;; Install and run the current Guix rather than an older
                     ;; snapshot.
                     (guix (current-guix))))

           ;; Start udev so that useful device nodes are available.
           ;; Use device-mapper rules for cryptsetup & co; enable the CRDA for
           ;; regulations-compliant WiFi access.
           (service udev-service-type
                    (udev-configuration
                     (rules (list lvm2 crda))))

           ;; Add the 'cow-store' service, which users have to start manually
           ;; since it takes the installation directory as an argument.
           (cow-store-service)

           ;; Install Unic