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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu installer newt final)
#:use-module (gnu installer final)
#:use-module (gnu installer parted)
#:use-module (gnu installer steps)
#:use-module (gnu installer utils)
#:use-module (gnu installer newt page)
#:use-module (gnu installer newt utils)
#:use-module (guix i18n)
#:use-module (guix colors)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
#:use-module (ice-9 match)
#:use-module ((ice-9 rdelim) #:select (read-line))
#:use-module (newt)
#:export (run-final-page))
(define* (strip-prefix file #:optional (prefix (%installer-target-dir)))
"Strip PREFIX from FILE, if PREFIX actually is a prefix of FILE."
(if (string-prefix? prefix file)
(string-drop file (string-length prefix))
file))
(define* (run-config-display-page #:key locale)
(let ((width (max 70 (- (screen-columns) 20)))
(height (default-listbox-height)))
(run-file-textbox-page
#:info-text (format #f (G_ "\
We're now ready to proceed with the installation! \
A system configuration file has been generated, it is displayed below. \
This file will be available as '~a' on the installed system. \
The new system will be created from this file once you've pressed OK. \
This will take a few minutes.")
(strip-prefix (%installer-configuration-file)))
#:title (G_ "Configuration file")
#:file (%installer-configuration-file)
#:edit-button? #t
#:editor-locale locale
#:info-textbox-width width
#:file-textbox-width width
#:file-textbox-height height
#:exit-button-callback-procedure
(lambda ()
(abort-to-prompt 'installer-step 'abort)))))
(define (run-install-success-page)
(match (current-clients)
(()
(message-window
(G_ "Installation complete")
(G_ "Reboot")
(G_ "Congratulations! Installation is now complete. \
You may remove the device containing the installation image and \
press the button to reboot.")))
(_
;; When there are clients connected, send them a message and keep going.
(send-to-clients '(installation-complete))))
;; Return success so that the installer happily reboots.
'success)
(define (run-install-failed-page)
(match (current-clients)
(()
(match (ternary-window
(G_ "Installation failed")
(G_ "Resume")
(G_ "Restart the installer")
(G_ "Report the failure")
(G_ "The final system installation step failed. You can resume from \
a specific step, or restart the installer."))
(1 (abort-to-prompt 'installer-step 'abort))
(2
;; Keep going, the installer will be restarted later on.
#t)
(3 (raise
(condition
(&user-abort-error))))))
(_
(send-to-clients '(installation-failure))
#t)))
(define* (run-install-shell locale
#:key (users '()))
(clear-screen)
(newt-suspend)
(let ((install-ok? (install-system locale #:users users)))
(newt-resume)
install-ok?))
(define (run-final-page result prev-steps)
(define (wait-for-clients)
(unless (null? (current-clients))
(installer-log-line "waiting with clients before starting final step")
(send-to-clients '(starting-final-step))
(match (select (current-clients) '() '())
(((port _ ...) _ _)
(read-line port)))))
;; Before generating the configuration file, give clients a chance to do
;; things such as changing the swap partition label.
(wait-for-clients)
(installer-log-line "proceeding with final step")
(let* ((configuration (format-configuration prev-steps result))
(user-partitions (result-step result 'partition))
(locale (result-step result 'locale))
(users (result-step result 'user))
(install-ok?
(with-mounted-partitions
user-partitions
(configuration->file configuration)
(run-config-display-page #:locale locale)
(run-install-shell locale #:users users))))
(if install-ok?
(run-install-success-page)
(run-install-failed-page))))
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