-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
-;;;
-;;; 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 installer)
- #:use-module (guix discovery)
- #:use-module (guix records)
- #:use-module (guix ui)
- #:use-module (srfi srfi-1)
- #:export (<installer>
- installer
- make-installer
- installer?
- installer-name
- installer-modules
- installer-init
- installer-exit
- installer-exit-error
- installer-keymap-page
- installer-locale-page
- installer-menu-page
- installer-network-page
- installer-timezone-page
- installer-hostname-page
- installer-user-page
- installer-welcome-page
-
- %installers
- lookup-installer-by-name))
-
-\f
-;;;
-;;; Installer record.
-;;;
-
-;; The <installer> record contains pages that will be run to prompt the user
-;; for the system configuration. The goal of the installer is to produce a
-;; complete <operating-system> record and install it.
-
-(define-record-type* <installer>
- installer make-installer
- installer?
- ;; symbol
- (name installer-name)
- ;; list of installer modules
- (modules installer-modules)
- ;; procedure: void -> void
- (init installer-init)
- ;; procedure: void -> void
- (exit installer-exit)
- ;; procedure (key arguments) -> void
- (exit-error installer-exit-error)
- ;; procedure (#:key models layouts) -> (list model layout variant)
- (keymap-page installer-keymap-page)
- ;; procedure: (#:key supported-locales iso639-languages iso3166-territories)
- ;; -> glibc-locale
- (locale-page installer-locale-page)
- ;; procedure: (steps) -> step-id
- (menu-page installer-menu-page)
- ;; procedure void -> void
- (network-page installer-network-page)
- ;; procedure (zonetab) -> posix-timezone
- (timezone-page installer-timezone-page)
- ;; procedure void -> void
- (hostname-page installer-hostname-page)
- ;; procedure void -> void
- (user-page installer-user-page)
- ;; procedure (logo) -> void
- (welcome-page installer-welcome-page))
-
-\f
-;;;
-;;; Installers.
-;;;
-
-(define (installer-top-modules)
- "Return the list of installer modules."
- (all-modules (map (lambda (entry)
- `(,entry . "gnu/installer"))
- %load-path)
- #:warn warn-about-load-error))
-
-(define %installers
- ;; The list of publically-known installers.
- (delay (fold-module-public-variables (lambda (obj result)
- (if (installer? obj)
- (cons obj result)
- result))
- '()
- (installer-top-modules))))
-
-(define (lookup-installer-by-name name)
- "Return the installer called NAME."
- (or (find (lambda (installer)
- (eq? name (installer-name installer)))
- (force %installers))
- (leave (G_ "~a: no such installer~%") name)))
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
+;;;
+;;; 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 installer)
+ #:use-module (guix discovery)
+ #:use-module (guix packages)
+ #:use-module (guix gexp)
+ #:use-module (guix modules)
+ #:use-module (guix utils)
+ #:use-module (guix ui)
+ #:use-module ((guix self) #:select (make-config.scm))
+ #:use-module (gnu packages admin)
+ #:use-module (gnu packages base)
+ #:use-module (gnu packages bash)
+ #:use-module (gnu packages connman)
+ #:use-module (gnu packages cryptsetup)
+ #:use-module (gnu packages disk)
+ #:use-module (gnu packages file-systems)
+ #:use-module (gnu packages guile)
+ #:use-module (gnu packages guile-xyz)
+ #:autoload (gnu packages gnupg) (guile-gcrypt)
+ #:use-module (gnu packages iso-codes)
+ #:use-module (gnu packages linux)
+ #:use-module (gnu packages ncurses)
+ #:use-module (gnu packages package-management)
+ #:use-module (gnu packages xorg)
+ #:use-module (gnu system locale)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:export (installer-program))
+
+(define module-to-import?
+ ;; Return true for modules that should be imported. For (gnu system …) and
+ ;; (gnu packages …) modules, we simply add the whole 'guix' package via
+ ;; 'with-extensions' (to avoid having to rebuild it all), which is why these
+ ;; modules are excluded here.
+ (match-lambda
+ (('guix 'config) #f)
+ (('gnu 'installer _ ...) #t)
+ (('gnu 'build _ ...) #t)
+ (('guix 'build _ ...) #t)
+ (_ #f)))
+
+(define* (build-compiled-file name locale-builder)
+ "Return a file-like object that evalutes the gexp LOCALE-BUILDER and store
+its result in the scheme file NAME. The derivation will also build a compiled
+version of this file."
+ (define set-utf8-locale
+ #~(begin
+ (setenv "LOCPATH"
+ #$(file-append glibc-utf8-locales "/lib/locale/"
+ (version-major+minor
+ (package-version glibc-utf8-locales))))
+ (setlocale LC_ALL "en_US.utf8")))
+
+ (define builder
+ (with-extensions (list guile-json-3)
+ (with-imported-modules (source-module-closure
+ '((gnu installer locale)))
+ #~(begin
+ (use-modules (gnu installer locale))
+
+ ;; The locale files contain non-ASCII characters.
+ #$set-utf8-locale
+
+ (mkdir #$output)
+ (let ((locale-file
+ (string-append #$output "/" #$name ".scm"))
+ (locale-compiled-file
+ (string-append #$output "/" #$name ".go")))
+ (call-with-output-file locale-file
+ (lambda (port)
+ (write #$locale-builder port)))
+ (compile-file locale-file
+ #:output-file locale-compiled-file))))))
+ (computed-file name builder))
+
+(define apply-locale
+ ;; Install the specified locale.
+ (with-imported-modules (source-module-closure '((gnu services herd)))
+ #~(lambda (locale)
+ (false-if-exception
+ (setlocale LC_ALL locale))
+
+ ;; Restart the documentation viewer so it displays the manual in
+ ;; language that corresponds to LOCALE.
+ (with-error-to-port (%make-void-port "w")
+ (lambda ()
+ (stop-service 'term-tty2)
+ (start-service 'term-tty2 (list locale)))))))
+
+(define* (compute-locale-step #:key
+ locales-name
+ iso639-languages-name
+ iso3166-territories-name)
+ "Return a gexp that run the locale-page of INSTALLER, and install the
+selected locale. The list of locales, languages and territories passed to
+locale-page are computed in derivations named respectively LOCALES-NAME,
+ISO639-LANGUAGES-NAME and ISO3166-TERRITORIES-NAME. Those lists are compiled,
+so that when the installer is run, all the lengthy operations have already
+been performed at build time."
+ (define (compiled-file-loader file name)
+ #~(load-compiled
+ (string-append #$file "/" #$name ".go")))
+
+ (let* ((supported-locales #~(supported-locales->locales
+ #+(glibc-supported-locales)))
+ (iso-codes #~(string-append #$iso-codes "/share/iso-codes/json/"))
+ (iso639-3 #~(string-append #$iso-codes "iso_639-3.json"))
+ (iso639-5 #~(string-append #$iso-codes "iso_639-5.json"))
+ (iso3166 #~(string-append #$iso-codes "iso_3166-1.json"))
+ (locales-file (build-compiled-file
+ locales-name
+ #~`(quote ,#$supported-locales)))
+ (iso639-file (build-compiled-file
+ iso639-languages-name
+ #~`(quote ,(iso639->iso639-languages
+ #$supported-locales
+ #$iso639-3 #$iso639-5))))
+ (iso3166-file (build-compiled-file
+ iso3166-territories-name
+ #~`(quote ,(iso3166->iso3166-territories #$iso3166))))
+ (locales-loader (compiled-file-loader locales-file
+ locales-name))
+ (iso639-loader (compiled-file-loader iso639-file
+ iso639-languages-name))
+ (iso3166-loader (compiled-file-loader iso3166-file
+ iso3166-territories-name)))
+ #~(lambda (current-installer)
+ (let ((result
+ ((installer-locale-page current-installer)
+ #:supported-locales #$locales-loader
+ #:iso639-languages #$iso639-loader
+ #:iso3166-territories #$iso3166-loader)))
+ (#$apply-locale result)
+ result))))
+
+(define apply-keymap
+ ;; Apply the specified keymap. Use the default keyboard model.
+ #~(match-lambda
+ ((layout variant)
+ (kmscon-update-keymap (default-keyboard-model)
+ layout variant))))
+
+(define* (compute-keymap-step)
+ "Return a gexp that runs the keymap-page of INSTALLER and install the
+selected keymap."
+ #~(lambda (current-installer)
+ (let ((result
+ (call-with-values
+ (lambda ()
+ (xkb-rules->models+layouts
+ (string-append #$xkeyboard-config
+ "/share/X11/xkb/rules/base.xml")))
+ (lambda (models layouts)
+ ((installer-keymap-page current-installer)
+ layouts)))))
+ (#$apply-keymap result)
+ result)))
+
+(define (installer-steps)
+ (let ((locale-step (compute-locale-step
+ #:locales-name "locales"
+ #:iso639-languages-name "iso639-languages"
+ #:iso3166-territories-name "iso3166-territories"))
+ (keymap-step (compute-keymap-step))
+ (timezone-data #~(string-append #$tzdata
+ "/share/zoneinfo/zone.tab")))
+ #~(lambda (current-installer)
+ (list
+ ;; Ask the user to choose a locale among those supported by
+ ;; the glibc. Install the selected locale right away, so that
+ ;; the user may benefit from any available translation for the
+ ;; installer messages.
+ (installer-step
+ (id 'locale)
+ (description (G_ "Locale"))
+ (compute (lambda _
+ (#$locale-step current-installer)))
+ (configuration-formatter locale->configuration))
+
+ ;; Welcome the user and ask them to choose between manual
+ ;; installation and graphical install.
+ (installer-step
+ (id 'welcome)
+ (compute (lambda _
+ ((installer-welcome-page current-installer)
+ #$(local-file "installer/aux-files/logo.txt")))))
+
+ ;; Ask the user to select a timezone under glibc format.
+ (installer-step
+ (id 'timezone)
+ (description (G_ "Timezone"))
+ (compute (lambda _
+ ((installer-timezone-page current-installer)
+ #$timezone-data)))
+ (configuration-formatter posix-tz->configuration))
+
+ ;; The installer runs in a kmscon virtual terminal where loadkeys
+ ;; won't work. kmscon uses libxkbcommon as a backend for keyboard
+ ;; input. It is possible to update kmscon current keymap by sending it
+ ;; a keyboard model, layout and variant, in a somehow similar way as
+ ;; what is done with setxkbmap utility.
+ ;;
+ ;; So ask for a keyboard model, layout and variant to update the
+ ;; current kmscon keymap.
+ (installer-step
+ (id 'keymap)
+ (description (G_ "Keyboard mapping selection"))
+ (compute (lambda _
+ (#$keymap-step current-installer)))
+ (configuration-formatter keyboard-layout->configuration))
+
+ ;; Ask the user to input a hostname for the system.
+ (installer-step
+ (id 'hostname)
+ (description (G_ "Hostname"))
+ (compute (lambda _
+ ((installer-hostname-page current-installer))))
+ (configuration-formatter hostname->configuration))
+
+ ;; Provide an interface above connmanctl, so that the user can select
+ ;; a network susceptible to acces Internet.
+ (installer-step
+ (id 'network)
+ (description (G_ "Network selection"))
+ (compute (lambda _
+ ((installer-network-page current-installer)))))
+
+ ;; Prompt for users (name, group and home directory).
+ (installer-step
+ (id 'user)
+ (description (G_ "User creation"))
+ (compute (lambda _
+ ((installer-user-page current-installer))))
+ (configuration-formatter users->configuration))
+
+ ;; Ask the user to choose one or many desktop environment(s).
+ (installer-step
+ (id 'services)
+ (description (G_ "Services"))
+ (compute (lambda _
+ ((installer-services-page current-installer))))
+ (configuration-formatter system-services->configuration))
+
+ ;; Run a partitioning tool allowing the user to modify
+ ;; partition tables, partitions and their mount points.
+ ;; Do this last so the user has something to boot if any
+ ;; of the previous steps didn't go as expected.
+ (installer-step
+ (id 'partition)
+ (description (G_ "Partitioning"))
+ (compute (lambda _
+ ((installer-partition-page current-installer))))
+ (configuration-formatter user-partitions->configuration))
+
+ (installer-step
+ (id 'final)
+ (description (G_ "Configuration file"))
+ (compute
+ (lambda (result prev-steps)
+ ((installer-final-page current-installer)
+ result prev-steps))))))))
+
+(define (installer-program)
+ "Return a file-like object that runs the given INSTALLER."
+ (define init-gettext
+ ;; Initialize gettext support, so that installer messages can be
+ ;; translated.
+ #~(begin
+ (bindtextdomain "guix" (string-append #$guix "/share/locale"))
+ (textdomain "guix")))
+
+ (define set-installer-path
+ ;; Add the specified binary to PATH for later use by the installer.
+ #~(let* ((inputs
+ '#$(append (list bash ;start subshells
+ connman ;call connmanctl
+ cryptsetup
+ dosfstools ;mkfs.fat
+ e2fsprogs ;mkfs.ext4
+ btrfs-progs ;mkfs.btrfs
+ jfsutils ;jfs_mkfs
+ kbd ;chvt
+ guix ;guix system init call
+ util-linux ;mkwap
+ shadow)
+ (map canonical-package (list coreutils)))))
+ (with-output-to-port (%make-void-port "w")
+ (lambda ()
+ (set-path-environment-variable "PATH" '("bin" "sbin") inputs)))))
+
+ (define steps (installer-steps))
+ (define modules
+ (scheme-modules*
+ (string-append (current-source-directory) "/..")
+ "gnu/installer"))
+
+ (define installer-builder
+ ;; Note: Include GUIX as an extension to get all the (gnu system …), (gnu
+ ;; packages …), etc. modules.
+ (with-extensions (list guile-gcrypt guile-newt
+ guile-parted guile-bytestructures
+ guile-json-3 guile-git guix)
+ (with-imported-modules `(,@(source-module-closure
+ `(,@modules
+ (gnu services herd)
+ (guix build utils))
+ #:select? module-to-import?)
+ ((guix config) => ,(make-config.scm)))
+ #~(begin
+ (use-modules (gnu installer record)
+ (gnu installer keymap)
+ (gnu installer steps)
+ (gnu installer final)
+ (gnu installer hostname)
+ (gnu installer locale)
+ (gnu installer parted)
+ (gnu installer services)
+ (gnu installer timezone)
+ (gnu installer user)
+ (gnu installer newt)
+ ((gnu installer newt keymap)
+ #:select (keyboard-layout->configuration))
+ (gnu services herd)
+ (guix i18n)
+ (guix build utils)
+ ((system repl debug)
+ #:select (terminal-width))
+ (ice-9 match))
+
+ ;; Initialize gettext support so that installers can use
+ ;; (guix i18n) module.
+ #$init-gettext
+
+ ;; Add some binaries used by the installers to PATH.
+ #$set-installer-path
+
+ ;; Arrange for language and territory name translations to be
+ ;; available. We need them at run time, not just compile time,
+ ;; because some territories have several corresponding languages
+ ;; (e.g., "French" is always displayed as "français", but
+ ;; "Belgium" could be translated to Dutch, French, or German.)
+ (bindtextdomain "iso_639-3" ;languages
+ #+(file-append iso-codes "/share/locale"))
+ (bindtextdomain "iso_3166-1" ;territories
+ #+(file-append iso-codes "/share/locale"))
+
+ ;; Likewise for XKB keyboard layout names.
+ (bindtextdomain "xkeyboard-config"
+ #+(file-append xkeyboard-config "/share/locale"))
+
+ ;; Initialize 'terminal-width' in (system repl debug)
+ ;; to a large-enough value to make backtrace more
+ ;; verbose.
+ (terminal-width 200)
+
+ (let* ((current-installer newt-installer)
+ (steps (#$steps current-installer)))
+ ((installer-init current-installer))
+
+ (catch #t
+ (lambda ()
+ (define results
+ (run-installer-steps
+ #:rewind-strategy 'menu
+ #:menu-proc (installer-menu-page current-installer)
+ #:steps steps))
+
+ (match (result-step results 'final)
+ ('success
+ ;; We did it! Let's reboot!
+ (sync)
+ (stop-service 'root))
+ (_ ;installation failed
+ ;; TODO: Honor the result of 'run-install-failed-page'.
+ #f)))
+ (const #f)
+ (lambda (key . args)
+ (let ((error-file "/tmp/last-installer-error"))
+ (call-with-output-file error-file
+ (lambda (port)
+ (display-backtrace (make-stack #t) port)
+ (print-exception port
+ (stack-ref (make-stack #t) 1)
+ key args)))
+ ((installer-exit-error current-installer)
+ error-file key args))
+ (primitive-exit 1)))
+
+ ((installer-exit current-installer)))))))
+
+ (program-file
+ "installer"
+ #~(begin
+ ;; Set the default locale to install unicode support. For
+ ;; some reason, unicode support is not correctly installed
+ ;; when calling this in 'installer-builder'.
+ (setenv "LANG" "en_US.UTF-8")
+ (execl #$(program-file "installer-real" installer-builder)
+ "installer-real"))))