ccb1a8c437
* gnu/installer/tests.scm: New file. * gnu/local.mk (INSTALLER_MODULES): Add it. * gnu/tests/install.scm (run-install): Add #:gui-test. Add (gnu installer tests) to the marionette imported modules. Honor GUI-TEST. Check whether SCRIPT is true. (%root-password, %syslog-conf): New variable. (operating-system-with-console-syslog, gui-test-program) (guided-installation-test): New procedures. (%extra-packages, installation-os-for-gui-tests) (%test-gui-installed-os): New variable.
340 lines
12 KiB
Scheme
340 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
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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 installer tests)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (ice-9 pretty-print)
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#:export (&pattern-not-matched
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pattern-not-matched?
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%installer-socket-file
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open-installer-socket
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converse
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conversation-log-port
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choose-locale+keyboard
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enter-host-name+passwords
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choose-services
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choose-partitioning
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conclude-installation
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edit-configuration-file))
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;;; Commentary:
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;;;
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;;; This module provides tools to test the guided "graphical" installer in a
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;;; non-interactive fashion. The core of it is 'converse': it allows you to
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;;; state Expect-style dialogues, which happen over the Unix-domain socket the
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;;; installer listens to. Higher-level procedures such as
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;;; 'choose-locale+keyboard' are provided to perform specific parts of the
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;;; dialogue.
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;;;
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;;; Code:
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(define %installer-socket-file
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;; Socket the installer listens to.
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"/var/guix/installer-socket")
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(define* (open-installer-socket #:optional (file %installer-socket-file))
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"Return a socket connected to the installer."
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(let ((sock (socket AF_UNIX SOCK_STREAM 0)))
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(connect sock AF_UNIX file)
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sock))
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(define-condition-type &pattern-not-matched &error
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pattern-not-matched?
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(pattern pattern-not-matched-pattern)
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(sexp pattern-not-matched-sexp))
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(define (pattern-error pattern sexp)
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(raise (condition
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(&pattern-not-matched
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(pattern pattern) (sexp sexp)))))
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(define conversation-log-port
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;; Port where debugging info is logged
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(make-parameter (current-error-port)))
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(define (converse-debug pattern)
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(format (conversation-log-port)
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"conversation expecting pattern ~s~%"
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pattern))
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(define-syntax converse
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(lambda (s)
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"Convert over PORT: read sexps from there, match them against each
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PATTERN, and send the corresponding REPLY. Raise to '&pattern-not-matched'
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when one of the PATTERNs is not matched."
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;; XXX: Strings that appear in PATTERNs must be in the language the
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;; installer is running in. In the future, we should add support to allow
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;; writing English strings in PATTERNs and have the pattern matcher
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;; automatically translate them.
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;; Here we emulate 'pmatch' syntax on top of 'match'. This is ridiculous
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;; but that's because 'pmatch' compares objects with 'eq?', making it
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;; pretty useless, and it doesn't support ellipses and such.
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(define (quote-pattern s)
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;; Rewrite the pattern S from pmatch style (a ,b) to match style like
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;; ('a b).
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(with-ellipsis :::
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(syntax-case s (unquote _ ...)
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((unquote id) #'id)
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(_ #'_)
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(... #'...)
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(id
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(identifier? #'id)
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#''id)
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((lst :::) (map quote-pattern #'(lst :::)))
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(pattern #'pattern))))
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(define (match-pattern s)
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;; Match one pattern without a guard.
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(syntax-case s ()
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((port (pattern reply) continuation)
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(with-syntax ((pattern (quote-pattern #'pattern)))
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#'(let ((pat 'pattern))
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(converse-debug pat)
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(match (read port)
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(pattern
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(let ((data (call-with-values (lambda () reply)
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list)))
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(for-each (lambda (obj)
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(write obj port)
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(newline port))
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data)
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(force-output port)
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(continuation port)))
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(sexp
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(pattern-error pat sexp))))))))
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(syntax-case s ()
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((_ port (pattern reply) rest ...)
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(match-pattern #'(port (pattern reply)
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(lambda (port)
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(converse port rest ...)))))
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((_ port (pattern guard reply) rest ...)
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#`(let ((skip? (not guard))
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(next (lambda (p)
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(converse p rest ...))))
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(if skip?
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(next port)
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#,(match-pattern #'(port (pattern reply) next)))))
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((_ port)
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#t))))
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(define* (choose-locale+keyboard port
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#:key
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(language "English")
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(location "Hong Kong")
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(timezone '("Europe" "Zagreb"))
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(keyboard
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'("English (US)"
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"English (intl., with AltGr dead keys)")))
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"Converse over PORT with the guided installer to choose the specified
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LANGUAGE, LOCATION, TIMEZONE, and KEYBOARD."
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(converse port
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((list-selection (title "Locale language")
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(multiple-choices? #f)
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(items _))
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language)
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((list-selection (title "Locale location")
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(multiple-choices? #f)
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(items _))
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location)
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((menu (title "GNU Guix install")
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(text _)
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(items (,guided _ ...))) ;"Guided graphical installation"
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guided)
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((list-selection (title "Timezone")
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(multiple-choices? #f)
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(items _))
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(first timezone))
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((list-selection (title "Timezone")
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(multiple-choices? #f)
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(items _))
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(second timezone))
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((list-selection (title "Layout")
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(multiple-choices? #f)
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(items _))
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(first keyboard))
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((list-selection (title "Variant")
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(multiple-choices? #f)
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(items _))
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(second keyboard))))
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(define* (enter-host-name+passwords port
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#:key
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(host-name "guix")
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(root-password "foo")
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(users '(("alice" "pass1")
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("bob" "pass2")
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("charlie" "pass3"))))
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"Converse over PORT with the guided installer to choose HOST-NAME,
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ROOT-PASSWORD, and USERS."
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(converse port
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((input (title "Hostname") (text _) (default _))
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host-name)
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((input (title "System administrator password") (text _) (default _))
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root-password)
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((input (title "Password confirmation required") (text _) (default _))
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root-password)
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((add-users)
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(match users
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(((names passwords) ...)
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(map (lambda (name password)
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`(user (name ,name) (real-name ,(string-titlecase name))
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(home-directory ,(string-append "/home/" name))
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(password ,password)))
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names passwords))))))
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(define* (choose-services port
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#:key
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(desktop-environments '("GNOME"))
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(choose-network-service?
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(lambda (service)
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(or (string-contains service "SSH")
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(string-contains service "NSS"))))
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(choose-network-management-tool?
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(lambda (service)
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(string-contains service "DHCP"))))
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"Converse over PORT to choose networking services."
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(converse port
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((checkbox-list (title "Desktop environment") (text _)
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(items _))
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desktop-environments)
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((checkbox-list (title "Network service") (text _)
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(items ,services))
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(filter choose-network-service? services))
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;; The "Network management" dialog shows up only when no desktop
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;; environments have been selected, hence the guard.
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((list-selection (title "Network management")
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(multiple-choices? #f)
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(items ,services))
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(null? desktop-environments)
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(find choose-network-management-tool? services))))
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(define (edit-configuration-file file)
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"Edit FILE, an operating system configuration file generated by the
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installer, by adding a marionette service such that the installed OS is
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instrumented for further testing."
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(define (read-expressions port)
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(let loop ((result '()))
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(match (read port)
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((? eof-object?)
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(reverse result))
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(exp
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(loop (cons exp result))))))
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(define (edit exp)
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(match exp
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(('operating-system _ ...)
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`(marionette-operating-system ,exp
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#:imported-modules
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'((gnu services herd)
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(guix build utils)
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(guix combinators))))
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(_
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exp)))
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(let ((content (call-with-input-file file read-expressions)))
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(call-with-output-file file
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(lambda (port)
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(format port "\
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;; Operating system configuration edited for automated testing.~%~%")
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(pretty-print '(use-modules (gnu tests)) port)
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(for-each (lambda (exp)
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(pretty-print (edit exp) port)
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(newline port))
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content)))
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#t))
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(define* (choose-partitioning port
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#:key
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(encrypted? #t)
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(passphrase "thepassphrase")
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(edit-configuration-file
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edit-configuration-file))
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"Converse over PORT to choose the partitioning method. When ENCRYPTED? is
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true, choose full-disk encryption with PASSPHRASE as the LUKS passphrase.
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This conversation goes past the final dialog box that shows the configuration
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file, actually starting the installation process."
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(converse port
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((list-selection (title "Partitioning method")
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(multiple-choices? #f)
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(items (,not-encrypted ,encrypted _ ...)))
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(if encrypted?
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encrypted
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not-encrypted))
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((list-selection (title "Disk") (multiple-choices? #f)
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(items (,disk _ ...)))
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disk)
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;; The "Partition table" dialog pops up only if there's not already a
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;; partition table.
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((list-selection (title "Partition table")
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(multiple-choices? #f)
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(items _))
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"gpt")
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((list-selection (title "Partition scheme")
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(multiple-choices? #f)
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(items (,one-partition _ ...)))
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one-partition)
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((list-selection (title "Guided partitioning")
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(multiple-choices? #f)
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(items (,disk _ ...)))
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disk)
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((input (title "Password required")
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(text _) (default #f))
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encrypted? ;only when ENCRYPTED?
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passphrase)
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((input (title "Password confirmation required")
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(text _) (default #f))
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encrypted?
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passphrase)
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((confirmation (title "Format disk?") (text _))
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#t)
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((info (title "Preparing partitions") _ ...)
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(values)) ;nothing to return
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((file-dialog (title "Configuration file")
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(text _)
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(file ,configuration-file))
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(edit-configuration-file configuration-file))))
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(define (conclude-installation port)
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"Conclude the installation by checking over PORT that we get the final
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messages once the 'guix system init' process has completed."
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(converse port
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((pause) ;"Press Enter to continue."
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#t)
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((installation-complete) ;congratulations!
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(values))))
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;;; Local Variables:
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;;; eval: (put 'converse 'scheme-indent-function 1)
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;;; eval: (put 'with-ellipsis 'scheme-indent-function 1)
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;;; End:
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