mirror of
git://git.savannah.gnu.org/guix.git
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045ebb3e58
* gnu/bootloader.scm (<bootloader-configuration>): Deprecate "device" field in favor of "target" field. This is mostly a renaming but also a generalization to support UEFI targets being paths to a mounted partition instead of a device name. * gnu/system/examples/bare-bones.tmpl: * gnu/system/examples/desktop.tmpl: * gnu/system/examples/lightweight-desktop.tmpl: * gnu/system/examples/vm-image.tmpl: * gnu/system/install.scm: * gnu/tests.scm: * gnu/tests/install.scm: * gnu/tests/nfs.scm: * tests/system.scm: Adapt all invocations of bootloader-configuration. * guix/scripts/system.scm (perform-action): Rename device argument to bootloader-target. (process-action): Adapt caller. * doc/guix.texi (Proceeding with the Installation): * doc/guix.texi (Bootloader Configuration): Update documentation.
278 lines
11 KiB
Scheme
278 lines
11 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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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 tests)
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#:use-module (guix gexp)
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#:use-module (guix utils)
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#:use-module (guix records)
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#:use-module (gnu bootloader grub)
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#:use-module (gnu system)
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#:use-module (gnu system file-systems)
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#:use-module (gnu system shadow)
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#:use-module (gnu services)
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#:use-module (gnu services base)
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#:use-module (gnu services shepherd)
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#:use-module (guix discovery)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9 gnu)
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#:use-module (ice-9 match)
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#:export (marionette-configuration
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marionette-configuration?
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marionette-configuration-device
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marionette-configuration-imported-modules
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marionette-configuration-requirements
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marionette-service-type
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marionette-operating-system
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define-os-with-source
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simple-operating-system
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system-test
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system-test?
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system-test-name
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system-test-value
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system-test-description
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system-test-location
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fold-system-tests
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all-system-tests))
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;;; Commentary:
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;;;
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;;; This module provides the infrastructure to run operating system tests.
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;;; The most important part of that is tools to instrument the OS under test,
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;;; essentially allowing to run in a virtual machine controlled by the host
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;;; system--hence the name "marionette".
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;;;
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;;; Code:
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(define-record-type* <marionette-configuration>
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marionette-configuration make-marionette-configuration
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marionette-configuration?
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(device marionette-configuration-device ;string
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(default "/dev/hvc0"))
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(imported-modules marionette-configuration-imported-modules
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(default '()))
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(requirements marionette-configuration-requirements ;list of symbols
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(default '())))
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(define (marionette-shepherd-service config)
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"Return the Shepherd service for the marionette REPL"
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(match config
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(($ <marionette-configuration> device imported-modules requirement)
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(list (shepherd-service
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(provision '(marionette))
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;; Always depend on UDEV so that DEVICE is available.
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(requirement `(udev ,@requirement))
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(modules '((ice-9 match)
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(srfi srfi-9 gnu)
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(guix build syscalls)
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(rnrs bytevectors)))
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(start
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(with-imported-modules `((guix build syscalls)
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,@imported-modules)
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#~(lambda ()
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(define (clear-echo termios)
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(set-field termios (termios-local-flags)
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(logand (lognot (local-flags ECHO))
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(termios-local-flags termios))))
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(define (self-quoting? x)
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(letrec-syntax ((one-of (syntax-rules ()
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((_) #f)
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((_ pred rest ...)
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(or (pred x)
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(one-of rest ...))))))
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(one-of symbol? string? pair? null? vector?
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bytevector? number? boolean?)))
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(match (primitive-fork)
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(0
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(dynamic-wind
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(const #t)
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(lambda ()
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(let* ((repl (open-file #$device "r+0"))
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(termios (tcgetattr (fileno repl)))
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(console (open-file "/dev/console" "r+0")))
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;; Don't echo input back.
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(tcsetattr (fileno repl) (tcsetattr-action TCSANOW)
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(clear-echo termios))
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;; Redirect output to the console.
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(close-fdes 1)
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(close-fdes 2)
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(dup2 (fileno console) 1)
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(dup2 (fileno console) 2)
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(close-port console)
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(display 'ready repl)
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(let loop ()
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(newline repl)
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(match (read repl)
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((? eof-object?)
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(primitive-exit 0))
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(expr
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(catch #t
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(lambda ()
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(let ((result (primitive-eval expr)))
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(write (if (self-quoting? result)
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result
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(object->string result))
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repl)))
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(lambda (key . args)
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(print-exception (current-error-port)
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(stack-ref (make-stack #t) 1)
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key args)
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(write #f repl)))))
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(loop))))
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(lambda ()
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(primitive-exit 1))))
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(pid
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pid)))))
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(stop #~(make-kill-destructor)))))))
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(define marionette-service-type
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;; This is the type of the "marionette" service, allowing a guest system to
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;; be manipulated from the host. This marionette REPL is essentially a
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;; universal backdoor.
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(service-type (name 'marionette-repl)
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(extensions
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(list (service-extension shepherd-root-service-type
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marionette-shepherd-service)))))
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(define* (marionette-operating-system os
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#:key
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(imported-modules '())
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(requirements '()))
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"Return a marionetteed variant of OS such that OS can be used as a
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marionette in a virtual machine--i.e., controlled from the host system. The
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marionette service in the guest is started after the Shepherd services listed
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in REQUIREMENTS."
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(operating-system
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(inherit os)
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(services (cons (service marionette-service-type
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(marionette-configuration
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(requirements requirements)
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(imported-modules imported-modules)))
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(operating-system-user-services os)))))
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(define-syntax define-os-with-source
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(syntax-rules (use-modules operating-system)
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"Define two variables: OS containing the given operating system, and
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SOURCE containing the source to define OS as an sexp.
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This is convenient when we need both the <operating-system> object so we can
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instantiate it, and the source to create it so we can store in in a file in
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the system under test."
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((_ (os source)
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(use-modules modules ...)
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(operating-system fields ...))
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(begin
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(define os
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(operating-system fields ...))
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(define source
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'(begin
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(use-modules modules ...)
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(operating-system fields ...)))))))
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;;;
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;;; Simple operating systems.
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;;;
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(define %simple-os
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(operating-system
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(host-name "komputilo")
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(timezone "Europe/Berlin")
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(locale "en_US.UTF-8")
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(bootloader (grub-configuration (target "/dev/sdX")))
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(file-systems (cons (file-system
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(device "my-root")
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(title 'label)
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(mount-point "/")
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(type "ext4"))
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%base-file-systems))
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(firmware '())
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(users (cons (user-account
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(name "alice")
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(comment "Bob's sister")
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(group "users")
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(supplementary-groups '("wheel" "audio" "video"))
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(home-directory "/home/alice"))
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%base-user-accounts))))
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(define-syntax-rule (simple-operating-system user-services ...)
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"Return an operating system that includes USER-SERVICES in addition to
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%BASE-SERVICES."
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(operating-system (inherit %simple-os)
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(services (cons* user-services ... %base-services))))
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;;;
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;;; Tests.
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;;;
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(define-record-type* <system-test> system-test make-system-test
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system-test?
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(name system-test-name) ;string
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(value system-test-value) ;%STORE-MONAD value
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(description system-test-description) ;string
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(location system-test-location (innate) ;<location>
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(default (and=> (current-source-location)
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source-properties->location))))
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(define (write-system-test test port)
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(match test
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(($ <system-test> name _ _ ($ <location> file line))
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(format port "#<system-test ~a ~a:~a ~a>"
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name file line
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(number->string (object-address test) 16)))
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(($ <system-test> name)
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(format port "#<system-test ~a ~a>" name
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(number->string (object-address test) 16)))))
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(set-record-type-printer! <system-test> write-system-test)
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(define (test-modules)
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"Return the list of modules that define system tests."
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(scheme-modules (dirname (search-path %load-path "guix.scm"))
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"gnu/tests"))
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(define (fold-system-tests proc seed)
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"Invoke PROC on each system test, passing it the test and the previous
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result."
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(fold-module-public-variables (lambda (obj result)
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(if (system-test? obj)
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(cons obj result)
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result))
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'()
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(test-modules)))
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(define (all-system-tests)
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"Return the list of system tests."
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(reverse (fold-system-tests cons '())))
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;;; tests.scm ends here
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