3126fd8820
* gnu/services/xorg.scm (%default-xorg-modules): Add xf86-video-ati. Signed-off-by: 宋文武 <iyzsong@gmail.com>
465 lines
18 KiB
Scheme
465 lines
18 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2015 Sou Bunnbu <iyzsong@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 services xorg)
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#:use-module (gnu artwork)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu system pam)
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#:use-module ((gnu packages base) #:select (canonical-package))
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#:use-module (gnu packages guile)
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#:use-module (gnu packages xorg)
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#:use-module (gnu packages gl)
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#:use-module (gnu packages display-managers)
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#:use-module (gnu packages gnustep)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages bash)
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#:use-module (guix gexp)
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#:use-module (guix store)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix records)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match)
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#:export (xorg-configuration-file
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%default-xorg-modules
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xorg-start-command
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xinitrc
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%default-slim-theme
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%default-slim-theme-name
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slim-configuration
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slim-service-type
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slim-service
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screen-locker
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screen-locker?
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screen-locker-service-type
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screen-locker-service))
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;;; Commentary:
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;;;
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;;; Services that relate to the X Window System.
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;;;
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;;; Code:
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(define* (xorg-configuration-file #:key (drivers '()) (resolutions '())
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(extra-config '()))
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"Return a configuration file for the Xorg server containing search paths for
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all the common drivers.
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@var{drivers} must be either the empty list, in which case Xorg chooses a
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graphics driver automatically, or a list of driver names that will be tried in
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this order---e.g., @code{(\"modesetting\" \"vesa\")}.
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Likewise, when @var{resolutions} is the empty list, Xorg chooses an
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appropriate screen resolution; otherwise, it must be a list of
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resolutions---e.g., @code{((1024 768) (640 480))}.
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Last, @var{extra-config} is a list of strings or objects appended to the
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@code{mixed-text-file} argument list. It is used to pass extra text to be
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added verbatim to the configuration file."
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(define (device-section driver)
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(string-append "
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Section \"Device\"
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Identifier \"device-" driver "\"
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Driver \"" driver "\"
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EndSection"))
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(define (screen-section driver resolutions)
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(string-append "
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Section \"Screen\"
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Identifier \"screen-" driver "\"
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Device \"device-" driver "\"
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SubSection \"Display\"
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Modes "
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(string-join (map (match-lambda
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((x y)
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(string-append "\"" (number->string x)
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"x" (number->string y) "\"")))
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resolutions)) "
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EndSubSection
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EndSection"))
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(apply mixed-text-file "xserver.conf" "
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Section \"Files\"
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FontPath \"" font-alias "/share/fonts/X11/75dpi\"
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FontPath \"" font-alias "/share/fonts/X11/100dpi\"
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FontPath \"" font-alias "/share/fonts/X11/misc\"
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FontPath \"" font-alias "/share/fonts/X11/cyrillic\"
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FontPath \"" font-adobe75dpi "/share/fonts/X11/75dpi\"
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ModulePath \"" xf86-video-vesa "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-fbdev "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-ati "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-modesetting "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-cirrus "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-intel "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-mach64 "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-nouveau "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-nv "/lib/xorg/modules/drivers\"
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ModulePath \"" xf86-video-sis "/lib/xorg/modules/drivers\"
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# Libinput is the new thing and is recommended over evdev/synaptics
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# by those who know:
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# <http://who-t.blogspot.fr/2015/01/xf86-input-libinput-compatibility-with.html>.
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ModulePath \"" xf86-input-libinput "/lib/xorg/modules/input\"
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ModulePath \"" xf86-input-evdev "/lib/xorg/modules/input\"
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ModulePath \"" xf86-input-keyboard "/lib/xorg/modules/input\"
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ModulePath \"" xf86-input-mouse "/lib/xorg/modules/input\"
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ModulePath \"" xf86-input-synaptics "/lib/xorg/modules/input\"
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ModulePath \"" xorg-server "/lib/xorg/modules\"
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ModulePath \"" xorg-server "/lib/xorg/modules/extensions\"
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ModulePath \"" xorg-server "/lib/xorg/modules/multimedia\"
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EndSection
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Section \"ServerFlags\"
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Option \"AllowMouseOpenFail\" \"on\"
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EndSection
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"
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(string-join (map device-section drivers) "\n") "\n"
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(string-join (map (cut screen-section <> resolutions)
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drivers)
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"\n")
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"\n"
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extra-config))
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(define %default-xorg-modules
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(list xf86-video-vesa
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xf86-video-fbdev
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xf86-video-ati
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xf86-video-modesetting
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xf86-video-cirrus
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xf86-video-intel
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xf86-video-mach64
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xf86-video-nouveau
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xf86-video-nv
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xf86-video-sis
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xf86-input-libinput
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xf86-input-evdev
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xf86-input-keyboard
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xf86-input-mouse
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xf86-input-synaptics))
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(define (xorg-configuration-directory modules)
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"Return a directory that contains the @code{.conf} files for X.org that
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includes the @code{share/X11/xorg.conf.d} directories of each package listed
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in @var{modules}."
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(with-imported-modules '((guix build utils))
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(computed-file "xorg.conf.d"
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#~(begin
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(use-modules (guix build utils)
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(srfi srfi-1))
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(define files
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(append-map (lambda (module)
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(find-files (string-append
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module
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"/share/X11/xorg.conf.d")
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"\\.conf$"))
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(list #$@modules)))
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(mkdir #$output)
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(for-each (lambda (file)
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(symlink file
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(string-append #$output "/"
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(basename file))))
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files)
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#t))))
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(define* (xorg-start-command #:key
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(guile (canonical-package guile-2.0))
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(configuration-file (xorg-configuration-file))
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(modules %default-xorg-modules)
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(xorg-server xorg-server))
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"Return a derivation that builds a @var{guile} script to start the X server
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from @var{xorg-server}. @var{configuration-file} is the server configuration
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file or a derivation that builds it; when omitted, the result of
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@code{xorg-configuration-file} is used.
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Usually the X server is started by a login manager."
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(define exp
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;; Write a small wrapper around the X server.
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#~(begin
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(setenv "XORG_DRI_DRIVER_PATH" (string-append #$mesa "/lib/dri"))
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(setenv "XKB_BINDIR" (string-append #$xkbcomp "/bin"))
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(apply execl (string-append #$xorg-server "/bin/X")
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(string-append #$xorg-server "/bin/X") ;argv[0]
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"-logverbose" "-verbose"
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"-xkbdir" (string-append #$xkeyboard-config "/share/X11/xkb")
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"-config" #$configuration-file
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"-configdir" #$(xorg-configuration-directory modules)
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"-nolisten" "tcp" "-terminate"
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;; Note: SLiM and other display managers add the
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;; '-auth' flag by themselves.
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(cdr (command-line)))))
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(program-file "start-xorg" exp))
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(define* (xinitrc #:key
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(guile (canonical-package guile-2.0))
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fallback-session)
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"Return a system-wide xinitrc script that starts the specified X session,
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which should be passed to this script as the first argument. If not, the
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@var{fallback-session} will be used."
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(define builder
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#~(begin
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(use-modules (ice-9 match))
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(define (close-all-fdes)
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;; Close all the open file descriptors except 0 to 2.
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(let loop ((fd 3))
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(when (< fd 4096) ;FIXME: use sysconf + _SC_OPEN_MAX
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(false-if-exception (close-fdes fd))
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(loop (+ 1 fd)))))
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(define (exec-from-login-shell command . args)
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;; Run COMMAND from a login shell so that it gets to see the same
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;; environment variables that one gets when logging in on a tty, for
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;; instance.
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(let* ((pw (getpw (getuid)))
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(shell (passwd:shell pw)))
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;; Close any open file descriptors. This is all the more
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;; important that SLiM itself exec's us directly without closing
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;; its own file descriptors!
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(close-all-fdes)
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;; The '--login' option is supported at least by Bash and zsh.
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(execl shell shell "--login" "-c"
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(string-join (cons command args)))))
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(let* ((home (getenv "HOME"))
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(xsession-file (string-append home "/.xsession"))
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(session (match (command-line)
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((_) (list #$fallback-session))
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((_ x ..1) x))))
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(if (file-exists? xsession-file)
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;; Run ~/.xsession when it exists.
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(apply exec-from-login-shell xsession-file session)
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;; Otherwise, start the specified session.
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(apply exec-from-login-shell session)))))
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(program-file "xinitrc" builder))
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;;;
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;;; SLiM log-in manager.
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;;;
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(define %default-slim-theme
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;; Theme based on work by Felipe López.
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(file-append %artwork-repository "/slim"))
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(define %default-slim-theme-name
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;; This must be the name of the sub-directory in %DEFAULT-SLIM-THEME that
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;; contains the actual theme files.
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"0.x")
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(define-record-type* <slim-configuration>
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slim-configuration make-slim-configuration
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slim-configuration?
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(slim slim-configuration-slim
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(default slim))
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(allow-empty-passwords? slim-configuration-allow-empty-passwords?)
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(auto-login? slim-configuration-auto-login?)
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(default-user slim-configuration-default-user)
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(theme slim-configuration-theme)
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(theme-name slim-configuration-theme-name)
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(xauth slim-configuration-xauth
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(default xauth))
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(shepherd slim-configuration-shepherd
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(default shepherd))
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(bash slim-configuration-bash
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(default bash))
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(auto-login-session slim-configuration-auto-login-session)
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(startx slim-configuration-startx))
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(define (slim-pam-service config)
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"Return a PAM service for @command{slim}."
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(list (unix-pam-service
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"slim"
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#:allow-empty-passwords?
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(slim-configuration-allow-empty-passwords? config))))
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(define (slim-shepherd-service config)
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(define slim.cfg
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(let ((xinitrc (xinitrc #:fallback-session
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(slim-configuration-auto-login-session config)))
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(slim (slim-configuration-slim config))
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(xauth (slim-configuration-xauth config))
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(startx (slim-configuration-startx config))
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(shepherd (slim-configuration-shepherd config))
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(theme-name (slim-configuration-theme-name config)))
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(mixed-text-file "slim.cfg" "
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default_path /run/current-system/profile/bin
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default_xserver " startx "
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xserver_arguments :0 vt7
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xauth_path " xauth "/bin/xauth
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authfile /var/run/slim.auth
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# The login command. '%session' is replaced by the chosen session name, one
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# of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc.
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login_cmd exec " xinitrc " %session
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sessiondir /run/current-system/profile/share/xsessions
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session_msg session (F1 to change):
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halt_cmd " shepherd "/sbin/halt
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reboot_cmd " shepherd "/sbin/reboot\n"
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(if (slim-configuration-auto-login? config)
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(string-append "auto_login yes\ndefault_user "
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(slim-configuration-default-user config) "\n")
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"")
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(if theme-name
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(string-append "current_theme " theme-name "\n")
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""))))
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(define theme
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(slim-configuration-theme config))
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(list (shepherd-service
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(documentation "Xorg display server")
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(provision '(xorg-server))
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(requirement '(user-processes host-name udev))
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(start
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#~(lambda ()
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;; A stale lock file can prevent SLiM from starting, so remove it to
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;; be on the safe side.
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(false-if-exception (delete-file "/var/run/slim.lock"))
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(fork+exec-command
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(list (string-append #$slim "/bin/slim") "-nodaemon")
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#:environment-variables
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(list (string-append "SLIM_CFGFILE=" #$slim.cfg)
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#$@(if theme
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(list #~(string-append "SLIM_THEMESDIR=" #$theme))
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#~())))))
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(stop #~(make-kill-destructor))
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(respawn? #t))))
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(define slim-service-type
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(service-type (name 'slim)
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(extensions
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(list (service-extension shepherd-root-service-type
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slim-shepherd-service)
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(service-extension pam-root-service-type
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slim-pam-service)
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;; Unconditionally add xterm to the system profile, to
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;; avoid bad surprises.
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(service-extension profile-service-type
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(const (list xterm)))))))
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(define* (slim-service #:key (slim slim)
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(allow-empty-passwords? #t) auto-login?
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(default-user "")
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(theme %default-slim-theme)
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(theme-name %default-slim-theme-name)
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(xauth xauth) (shepherd shepherd) (bash bash)
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(auto-login-session (file-append windowmaker
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"/bin/wmaker"))
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(startx (xorg-start-command)))
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"Return a service that spawns the SLiM graphical login manager, which in
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turn starts the X display server with @var{startx}, a command as returned by
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@code{xorg-start-command}.
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@cindex X session
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SLiM automatically looks for session types described by the @file{.desktop}
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files in @file{/run/current-system/profile/share/xsessions} and allows users
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to choose a session from the log-in screen using @kbd{F1}. Packages such as
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@var{xfce}, @var{sawfish}, and @var{ratpoison} provide @file{.desktop} files;
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adding them to the system-wide set of packages automatically makes them
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available at the log-in screen.
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In addition, @file{~/.xsession} files are honored. When available,
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@file{~/.xsession} must be an executable that starts a window manager
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and/or other X clients.
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When @var{allow-empty-passwords?} is true, allow logins with an empty
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password. When @var{auto-login?} is true, log in automatically as
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@var{default-user} with @var{auto-login-session}.
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If @var{theme} is @code{#f}, the use the default log-in theme; otherwise
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@var{theme} must be a gexp denoting the name of a directory containing the
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theme to use. In that case, @var{theme-name} specifies the name of the
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theme."
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(service slim-service-type
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(slim-configuration
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(slim slim)
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(allow-empty-passwords? allow-empty-passwords?)
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(auto-login? auto-login?) (default-user default-user)
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(theme theme) (theme-name theme-name)
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(xauth xauth) (shepherd shepherd) (bash bash)
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(auto-login-session auto-login-session)
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(startx startx))))
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;;;
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;;; Screen lockers & co.
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;;;
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(define-record-type <screen-locker>
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(screen-locker name program empty?)
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screen-locker?
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(name screen-locker-name) ;string
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(program screen-locker-program) ;gexp
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(empty? screen-locker-allows-empty-passwords?)) ;Boolean
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(define screen-locker-pam-services
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(match-lambda
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(($ <screen-locker> name _ empty?)
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(list (unix-pam-service name
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#:allow-empty-passwords? empty?)))))
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(define screen-locker-setuid-programs
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(compose list screen-locker-program))
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(define screen-locker-service-type
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(service-type (name 'screen-locker)
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(extensions
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(list (service-extension pam-root-service-type
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screen-locker-pam-services)
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(service-extension setuid-program-service-type
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screen-locker-setuid-programs)))))
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(define* (screen-locker-service package
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#:optional
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(program (package-name package))
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#:key allow-empty-passwords?)
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"Add @var{package}, a package for a screen-locker or screen-saver whose
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command is @var{program}, to the set of setuid programs and add a PAM entry
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for it. For example:
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@lisp
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(screen-locker-service xlockmore \"xlock\")
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@end lisp
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makes the good ol' XlockMore usable."
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(service screen-locker-service-type
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(screen-locker program
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(file-append package "/bin/" program)
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allow-empty-passwords?)))
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;;; xorg.scm ends here
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