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guix/gnu/services/desktop.scm
Ludovic Courtès 94a881178a
services: elogind: Start from the Shepherd. 
Fixes <http://bugs.gnu.org/27580>.
Reported by William <w@vieta.uk>.

* gnu/services/desktop.scm (elogind-shepherd-service): New procedure.
(elogind-service-type): Extend SHEPHERD-ROOT-SERVICE-TYPE.
2017-07-11 11:11:52 +02:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016 Sou Bunnbu <iyzsong@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 services desktop)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu services base)
#:use-module (gnu services dbus)
#:use-module (gnu services avahi)
#:use-module (gnu services xorg)
#:use-module (gnu services networking)
#:use-module ((gnu system file-systems)
#:select (%elogind-file-systems))
#:use-module (gnu system shadow)
#:use-module (gnu system pam)
#:use-module (gnu packages glib)
#:use-module (gnu packages admin)
#:use-module (gnu packages freedesktop)
#:use-module (gnu packages gnome)
#:use-module (gnu packages xfce)
#:use-module (gnu packages avahi)
#:use-module (gnu packages xdisorg)
#:use-module (gnu packages suckless)
#:use-module (gnu packages linux)
#:use-module (gnu packages libusb)
#:use-module (guix records)
#:use-module (guix packages)
#:use-module (guix store)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (upower-configuration
upower-configuration?
upower-service
upower-service-type
udisks-configuration
udisks-configuration?
udisks-service
udisks-service-type
colord-service
geoclue-application
geoclue-configuration
geoclue-configuration?
%standard-geoclue-applications
geoclue-service
geoclue-service-type
bluetooth-service
elogind-configuration
elogind-configuration?
elogind-service
elogind-service-type
gnome-desktop-configuration
gnome-desktop-configuration?
gnome-desktop-service
gnome-desktop-service-type
xfce-desktop-configuration
xfce-desktop-configuration?
xfce-desktop-service
xfce-desktop-service-type
%desktop-services))
;;; Commentary:
;;;
;;; This module contains service definitions for a "desktop" environment.
;;;
;;; Code:
;;;
;;; Helpers.
;;;
(define (bool value)
(if value "true\n" "false\n"))
(define (package-direct-input-selector input)
(lambda (package)
(match (assoc-ref (package-direct-inputs package) input)
((package . _) package))))
(define (wrapped-dbus-service service program variable value)
"Return a wrapper for @var{service}, a package containing a D-Bus service,
where @var{program} is wrapped such that environment variable @var{variable}
is set to @var{value} when the bus daemon launches it."
(define wrapper
(program-file (string-append (package-name service) "-program-wrapper")
#~(begin
(setenv #$variable #$value)
(apply execl (string-append #$service "/" #$program)
(string-append #$service "/" #$program)
(cdr (command-line))))))
(define build
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(define service-directory
"/share/dbus-1/system-services")
(mkdir-p (dirname (string-append #$output
service-directory)))
(copy-recursively (string-append #$service
service-directory)
(string-append #$output
service-directory))
(symlink (string-append #$service "/etc") ;for etc/dbus-1
(string-append #$output "/etc"))
(for-each (lambda (file)
(substitute* file
(("Exec[[:blank:]]*=[[:blank:]]*([[:graph:]]+)(.*)$"
_ original-program arguments)
(string-append "Exec=" #$wrapper arguments
"\n"))))
(find-files #$output "\\.service$")))))
(computed-file (string-append (package-name service) "-wrapper")
build))
;;;
;;; Upower D-Bus service.
;;;
;; TODO: Export.
(define-record-type* <upower-configuration>
upower-configuration make-upower-configuration
upower-configuration?
(upower upower-configuration-upower
(default upower))
(watts-up-pro? upower-configuration-watts-up-pro?)
(poll-batteries? upower-configuration-poll-batteries?)
(ignore-lid? upower-configuration-ignore-lid?)
(use-percentage-for-policy? upower-configuration-use-percentage-for-policy?)
(percentage-low upower-configuration-percentage-low)
(percentage-critical upower-configuration-percentage-critical)
(percentage-action upower-configuration-percentage-action)
(time-low upower-configuration-time-low)
(time-critical upower-configuration-time-critical)
(time-action upower-configuration-time-action)
(critical-power-action upower-configuration-critical-power-action))
(define* upower-configuration-file
;; Return an upower-daemon configuration file.
(match-lambda
(($ <upower-configuration> upower
watts-up-pro? poll-batteries? ignore-lid? use-percentage-for-policy?
percentage-low percentage-critical percentage-action time-low
time-critical time-action critical-power-action)
(plain-file "UPower.conf"
(string-append
"[UPower]\n"
"EnableWattsUpPro=" (bool watts-up-pro?)
"NoPollBatteries=" (bool (not poll-batteries?))
"IgnoreLid=" (bool ignore-lid?)
"UsePercentageForPolicy=" (bool use-percentage-for-policy?)
"PercentageLow=" (number->string percentage-low) "\n"
"PercentageCritical=" (number->string percentage-critical) "\n"
"PercentageAction=" (number->string percentage-action) "\n"
"TimeLow=" (number->string time-low) "\n"
"TimeCritical=" (number->string time-critical) "\n"
"TimeAction=" (number->string time-action) "\n"
"CriticalPowerAction=" (match critical-power-action
('hybrid-sleep "HybridSleep")
('hibernate "Hibernate")
('power-off "PowerOff"))
"\n")))))
(define %upower-activation
#~(begin
(use-modules (guix build utils))
(mkdir-p "/var/lib/upower")))
(define (upower-dbus-service config)
(list (wrapped-dbus-service (upower-configuration-upower config)
"libexec/upowerd"
"UPOWER_CONF_FILE_NAME"
(upower-configuration-file config))))
(define (upower-shepherd-service config)
"Return a shepherd service for UPower with CONFIG."
(let ((upower (upower-configuration-upower config))
(config (upower-configuration-file config)))
(list (shepherd-service
(documentation "Run the UPower power and battery monitor.")
(provision '(upower-daemon))
(requirement '(dbus-system udev))
(start #~(make-forkexec-constructor
(list (string-append #$upower "/libexec/upowerd"))
#:environment-variables
(list (string-append "UPOWER_CONF_FILE_NAME="
#$config))))
(stop #~(make-kill-destructor))))))
(define upower-service-type
(let ((upower-package (compose list upower-configuration-upower)))
(service-type (name 'upower)
(extensions
(list (service-extension dbus-root-service-type
upower-dbus-service)
(service-extension shepherd-root-service-type
upower-shepherd-service)
(service-extension activation-service-type
(const %upower-activation))
(service-extension udev-service-type
upower-package)
;; Make the 'upower' command visible.
(service-extension profile-service-type
upower-package))))))
(define* (upower-service #:key (upower upower)
(watts-up-pro? #f)
(poll-batteries? #t)
(ignore-lid? #f)
(use-percentage-for-policy? #f)
(percentage-low 10)
(percentage-critical 3)
(percentage-action 2)
(time-low 1200)
(time-critical 300)
(time-action 120)
(critical-power-action 'hybrid-sleep))
"Return a service that runs @uref{http://upower.freedesktop.org/,
@command{upowerd}}, a system-wide monitor for power consumption and battery
levels, with the given configuration settings. It implements the
@code{org.freedesktop.UPower} D-Bus interface, and is notably used by GNOME."
(let ((config (upower-configuration
(watts-up-pro? watts-up-pro?)
(poll-batteries? poll-batteries?)
(ignore-lid? ignore-lid?)
(use-percentage-for-policy? use-percentage-for-policy?)
(percentage-low percentage-low)
(percentage-critical percentage-critical)
(percentage-action percentage-action)
(time-low time-low)
(time-critical time-critical)
(time-action time-action)
(critical-power-action critical-power-action))))
(service upower-service-type config)))
;;;
;;; GeoClue D-Bus service.
;;;
;; TODO: Export.
(define-record-type* <geoclue-configuration>
geoclue-configuration make-geoclue-configuration
geoclue-configuration?
(geoclue geoclue-configuration-geoclue
(default geoclue))
(whitelist geoclue-configuration-whitelist)
(wifi-geolocation-url geoclue-configuration-wifi-geolocation-url)
(submit-data? geoclue-configuration-submit-data?)
(wifi-submission-url geoclue-configuration-wifi-submission-url)
(submission-nick geoclue-configuration-submission-nick)
(applications geoclue-configuration-applications))
(define* (geoclue-application name #:key (allowed? #t) system? (users '()))
"Configure default GeoClue access permissions for an application. NAME is
the Desktop ID of the application, without the .desktop part. If ALLOWED? is
true, the application will have access to location information by default.
The boolean SYSTEM? value indicates that an application is a system component
or not. Finally USERS is a list of UIDs of all users for which this
application is allowed location info access. An empty users list means all
users are allowed."
(string-append
"[" name "]\n"
"allowed=" (bool allowed?)
"system=" (bool system?)
"users=" (string-join users ";") "\n"))
(define %standard-geoclue-applications
(list (geoclue-application "gnome-datetime-panel" #:system? #t)
(geoclue-application "epiphany" #:system? #f)
(geoclue-application "firefox" #:system? #f)))
(define* (geoclue-configuration-file config)
"Return a geoclue configuration file."
(plain-file "geoclue.conf"
(string-append
"[agent]\n"
"whitelist="
(string-join (geoclue-configuration-whitelist config)
";") "\n"
"[wifi]\n"
"url=" (geoclue-configuration-wifi-geolocation-url config) "\n"
"submit-data=" (bool (geoclue-configuration-submit-data? config))
"submission-url="
(geoclue-configuration-wifi-submission-url config) "\n"
"submission-nick="
(geoclue-configuration-submission-nick config)
"\n"
(string-join (geoclue-configuration-applications config)
"\n"))))
(define (geoclue-dbus-service config)
(list (wrapped-dbus-service (geoclue-configuration-geoclue config)
"libexec/geoclue"
"GEOCLUE_CONFIG_FILE"
(geoclue-configuration-file config))))
(define %geoclue-accounts
(list (user-group (name "geoclue") (system? #t))
(user-account
(name "geoclue")
(group "geoclue")
(system? #t)
(comment "GeoClue daemon user")
(home-directory "/var/empty")
(shell "/run/current-system/profile/sbin/nologin"))))
(define geoclue-service-type
(service-type (name 'geoclue)
(extensions
(list (service-extension dbus-root-service-type
geoclue-dbus-service)
(service-extension account-service-type
(const %geoclue-accounts))))))
(define* (geoclue-service #:key (geoclue geoclue)
(whitelist '())
(wifi-geolocation-url
;; Mozilla geolocation service:
"https://location.services.mozilla.com/v1/geolocate?key=geoclue")
(submit-data? #f)
(wifi-submission-url
"https://location.services.mozilla.com/v1/submit?key=geoclue")
(submission-nick "geoclue")
(applications %standard-geoclue-applications))
"Return a service that runs the @command{geoclue} location service. This
service provides a D-Bus interface to allow applications to request access to
a user's physical location, and optionally to add information to online
location databases. By default, only the GNOME date-time panel and the Icecat
and Epiphany web browsers are able to ask for the user's location, and in the
case of Icecat and Epiphany, both will ask the user for permission first. See
@uref{https://wiki.freedesktop.org/www/Software/GeoClue/, the geoclue web
site} for more information."
(service geoclue-service-type
(geoclue-configuration
(geoclue geoclue)
(whitelist whitelist)
(wifi-geolocation-url wifi-geolocation-url)
(submit-data? submit-data?)
(wifi-submission-url wifi-submission-url)
(submission-nick submission-nick)
(applications applications))))
;;;
;;; Bluetooth.
;;;
(define (bluetooth-shepherd-service bluez)
"Return a shepherd service for @command{bluetoothd}."
(shepherd-service
(provision '(bluetooth))
(requirement '(dbus-system udev))
(documentation "Run the bluetoothd daemon.")
(start #~(make-forkexec-constructor
(string-append #$bluez "/libexec/bluetooth/bluetoothd")))
(stop #~(make-kill-destructor))))
(define bluetooth-service-type
(service-type
(name 'bluetooth)
(extensions
(list (service-extension dbus-root-service-type list)
(service-extension udev-service-type list)
(service-extension shepherd-root-service-type
(compose list bluetooth-shepherd-service))))))
(define* (bluetooth-service #:key (bluez bluez))
"Return a service that runs the @command{bluetoothd} daemon, which manages
all the Bluetooth devices and provides a number of D-Bus interfaces.
Users need to be in the @code{lp} group to access the D-Bus service.
"
(service bluetooth-service-type bluez))
;;;
;;; Colord D-Bus service.
;;;
(define %colord-activation
#~(begin
(use-modules (guix build utils))
(mkdir-p "/var/lib/colord")
(let ((user (getpwnam "colord")))
(chown "/var/lib/colord"
(passwd:uid user) (passwd:gid user)))))
(define %colord-accounts
(list (user-group (name "colord") (system? #t))
(user-account
(name "colord")
(group "colord")
(system? #t)
(comment "colord daemon user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define colord-service-type
(service-type (name 'colord)
(extensions
(list (service-extension account-service-type
(const %colord-accounts))
(service-extension activation-service-type
(const %colord-activation))
;; Colord is a D-Bus service that dbus-daemon can
;; activate.
(service-extension dbus-root-service-type list)
;; Colord provides "color device" rules for udev.
(service-extension udev-service-type list)
;; It provides polkit "actions".
(service-extension polkit-service-type list)))))
(define* (colord-service #:key (colord colord))
"Return a service that runs @command{colord}, a system service with a D-Bus
interface to manage the color profiles of input and output devices such as
screens and scanners. It is notably used by the GNOME Color Manager graphical
tool. See @uref{http://www.freedesktop.org/software/colord/, the colord web
site} for more information."
(service colord-service-type colord))
;;;
;;; UDisks.
;;;
(define-record-type* <udisks-configuration>
udisks-configuration make-udisks-configuration
udisks-configuration?
(udisks udisks-configuration-udisks
(default udisks)))
(define udisks-service-type
(let ((udisks-package (lambda (config)
(list (udisks-configuration-udisks config)))))
(service-type (name 'udisks)
(extensions
(list (service-extension polkit-service-type
udisks-package)
(service-extension dbus-root-service-type
udisks-package)
(service-extension udev-service-type
udisks-package)
;; Profile 'udisksctl' & co. in the system profile.
(service-extension profile-service-type
udisks-package))))))
(define* (udisks-service #:key (udisks udisks))
"Return a service for @uref{http://udisks.freedesktop.org/docs/latest/,
UDisks}, a @dfn{disk management} daemon that provides user interfaces with
notifications and ways to mount/unmount disks. Programs that talk to UDisks
include the @command{udisksctl} command, part of UDisks, and GNOME Disks."
(service udisks-service-type
(udisks-configuration (udisks udisks))))
;;;
;;; Elogind login and seat management service.
;;;
(define-record-type* <elogind-configuration> elogind-configuration
make-elogind-configuration
elogind-configuration
(elogind elogind-package
(default elogind))
(kill-user-processes? elogind-kill-user-processes?
(default #f))
(kill-only-users elogind-kill-only-users
(default '()))
(kill-exclude-users elogind-kill-exclude-users
(default '("root")))
(inhibit-delay-max-seconds elogind-inhibit-delay-max-seconds
(default 5))
(handle-power-key elogind-handle-power-key
(default 'poweroff))
(handle-suspend-key elogind-handle-suspend-key
(default 'suspend))
(handle-hibernate-key elogind-handle-hibernate-key
;; (default 'hibernate)
;; XXX Ignore it for now, since we don't
;; yet handle resume-from-hibernation in
;; our initrd.
(default 'ignore))
(handle-lid-switch elogind-handle-lid-switch
(default 'suspend))
(handle-lid-switch-docked elogind-handle-lid-switch-docked
(default 'ignore))
(power-key-ignore-inhibited? elogind-power-key-ignore-inhibited?
(default #f))
(suspend-key-ignore-inhibited? elogind-suspend-key-ignore-inhibited?
(default #f))
(hibernate-key-ignore-inhibited? elogind-hibernate-key-ignore-inhibited?
(default #f))
(lid-switch-ignore-inhibited? elogind-lid-switch-ignore-inhibited?
(default #t))
(holdoff-timeout-seconds elogind-holdoff-timeout-seconds
(default 30))
(idle-action elogind-idle-action
(default 'ignore))
(idle-action-seconds elogind-idle-action-seconds
(default (* 30 60)))
(runtime-directory-size-percent elogind-runtime-directory-size-percent
(default 10))
(runtime-directory-size elogind-runtime-directory-size
(default #f))
(remove-ipc? elogind-remove-ipc?
(default #t))
(suspend-state elogind-suspend-state
(default '("mem" "standby" "freeze")))
(suspend-mode elogind-suspend-mode
(default '()))
(hibernate-state elogind-hibernate-state
(default '("disk")))
(hibernate-mode elogind-hibernate-mode
(default '("platform" "shutdown")))
(hybrid-sleep-state elogind-hybrid-sleep-state
(default '("disk")))
(hybrid-sleep-mode elogind-hybrid-sleep-mode
(default
'("suspend" "platform" "shutdown"))))
(define (elogind-configuration-file config)
(define (yesno x)
(match x
(#t "yes")
(#f "no")
(_ (error "expected #t or #f, instead got:" x))))
(define char-set:user-name
(string->char-set "abcdefghijklmnopqrstuvwxyz0123456789_-"))
(define (valid-list? l pred)
(and-map (lambda (x) (string-every pred x)) l))
(define (user-name-list users)
(unless (valid-list? users char-set:user-name)
(error "invalid user list" users))
(string-join users " "))
(define (enum val allowed)
(unless (memq val allowed)
(error "invalid value" val allowed))
(symbol->string val))
(define (non-negative-integer x)
(unless (exact-integer? x) (error "not an integer" x))
(when (negative? x) (error "negative number not allowed" x))
(number->string x))
(define handle-actions
'(ignore poweroff reboot halt kexec suspend hibernate hybrid-sleep lock))
(define (handle-action x)
(enum x handle-actions))
(define (sleep-list tokens)
(unless (valid-list? tokens char-set:user-name)
(error "invalid sleep list" tokens))
(string-join tokens " "))
(define-syntax ini-file-clause
(syntax-rules ()
((_ config (prop (parser getter)))
(string-append prop "=" (parser (getter config)) "\n"))
((_ config str)
(string-append str "\n"))))
(define-syntax-rule (ini-file config file clause ...)
(plain-file file (string-append (ini-file-clause config clause) ...)))
(ini-file
config "logind.conf"
"[Login]"
("KillUserProcesses" (yesno elogind-kill-user-processes?))
("KillOnlyUsers" (user-name-list elogind-kill-only-users))
("KillExcludeUsers" (user-name-list elogind-kill-exclude-users))
("InhibitDelayMaxSecs" (non-negative-integer elogind-inhibit-delay-max-seconds))
("HandlePowerKey" (handle-action elogind-handle-power-key))
("HandleSuspendKey" (handle-action elogind-handle-suspend-key))
("HandleHibernateKey" (handle-action elogind-handle-hibernate-key))
("HandleLidSwitch" (handle-action elogind-handle-lid-switch))
("HandleLidSwitchDocked" (handle-action elogind-handle-lid-switch-docked))
("PowerKeyIgnoreInhibited" (yesno elogind-power-key-ignore-inhibited?))
("SuspendKeyIgnoreInhibited" (yesno elogind-suspend-key-ignore-inhibited?))
("HibernateKeyIgnoreInhibited" (yesno elogind-hibernate-key-ignore-inhibited?))
("LidSwitchIgnoreInhibited" (yesno elogind-lid-switch-ignore-inhibited?))
("HoldoffTimeoutSecs" (non-negative-integer elogind-holdoff-timeout-seconds))
("IdleAction" (handle-action elogind-idle-action))
("IdleActionSeconds" (non-negative-integer elogind-idle-action-seconds))
("RuntimeDirectorySize"
(identity
(lambda (config)
(match (elogind-runtime-directory-size-percent config)
(#f (non-negative-integer (elogind-runtime-directory-size config)))
(percent (string-append (non-negative-integer percent) "%"))))))
("RemoveIpc" (yesno elogind-remove-ipc?))
"[Sleep]"
("SuspendState" (sleep-list elogind-suspend-state))
("SuspendMode" (sleep-list elogind-suspend-mode))
("HibernateState" (sleep-list elogind-hibernate-state))
("HibernateMode" (sleep-list elogind-hibernate-mode))
("HybridSleepState" (sleep-list elogind-hybrid-sleep-state))
("HybridSleepMode" (sleep-list elogind-hybrid-sleep-mode))))
(define (elogind-dbus-service config)
(list (wrapped-dbus-service (elogind-package config)
"libexec/elogind/elogind"
"ELOGIND_CONF_FILE"
(elogind-configuration-file config))))
(define (pam-extension-procedure config)
"Return an extension for PAM-ROOT-SERVICE-TYPE that ensures that all the PAM
services use 'pam_elogind.so', a module that allows elogind to keep track of
logged-in users (run 'loginctl' to see elogind's world view of users and
seats.)"
(define pam-elogind
(pam-entry
(control "required")
(module (file-append (elogind-package config)
"/lib/security/pam_elogind.so"))))
(list (lambda (pam)
(pam-service
(inherit pam)
(session (cons pam-elogind (pam-service-session pam)))))))
(define (elogind-shepherd-service config)
"Return a Shepherd service to start elogind according to @var{config}."
(list (shepherd-service
(requirement '(dbus-system))
(provision '(elogind))
(start #~(make-forkexec-constructor
(list #$(file-append (elogind-package config)
"/libexec/elogind/elogind"))
#:environment-variables
(list (string-append "ELOGIND_CONF_FILE="
#$(elogind-configuration-file
config)))))
(stop #~(make-kill-destructor)))))
(define elogind-service-type
(service-type (name 'elogind)
(extensions
(list (service-extension dbus-root-service-type
elogind-dbus-service)
(service-extension udev-service-type
(compose list elogind-package))
(service-extension polkit-service-type
(compose list elogind-package))
;; Start elogind from the Shepherd rather than waiting
;; for bus activation. This ensures that it can handle
;; events like lid close, etc.
(service-extension shepherd-root-service-type
elogind-shepherd-service)
;; Provide the 'loginctl' command.
(service-extension profile-service-type
(compose list elogind-package))
;; Extend PAM with pam_elogind.so.
(service-extension pam-root-service-type
pam-extension-procedure)
;; We need /run/user, /run/systemd, etc.
(service-extension file-system-service-type
(const %elogind-file-systems))))))
(define* (elogind-service #:key (config (elogind-configuration)))
"Return a service that runs the @command{elogind} login and seat management
service. The @command{elogind} service integrates with PAM to allow other
system components to know the set of logged-in users as well as their session
types (graphical, console, remote, etc.). It can also clean up after users
when they log out."
(service elogind-service-type config))
;;;
;;; GNOME desktop service.
;;;
(define-record-type* <gnome-desktop-configuration> gnome-desktop-configuration
make-gnome-desktop-configuration
gnome-desktop-configuration
(gnome-package gnome-package (default gnome)))
(define gnome-desktop-service-type
(service-type
(name 'gnome-desktop)
(extensions
(list (service-extension polkit-service-type
(compose list
(package-direct-input-selector
"gnome-settings-daemon")
gnome-package))
(service-extension profile-service-type
(compose list
gnome-package))))))
(define* (gnome-desktop-service #:key (config (gnome-desktop-configuration)))
"Return a service that adds the @code{gnome} package to the system profile,
and extends polkit with the actions from @code{gnome-settings-daemon}."
(service gnome-desktop-service-type config))
;;;
;;; XFCE desktop service.
;;;
(define-record-type* <xfce-desktop-configuration> xfce-desktop-configuration
make-xfce-desktop-configuration
xfce-desktop-configuration
(xfce xfce-package (default xfce)))
(define xfce-desktop-service-type
(service-type
(name 'xfce-desktop)
(extensions
(list (service-extension polkit-service-type
(compose list
(package-direct-input-selector
"thunar")
xfce-package))
(service-extension profile-service-type
(compose list
xfce-package))))))
(define* (xfce-desktop-service #:key (config (xfce-desktop-configuration)))
"Return a service that adds the @code{xfce} package to the system profile,
and extends polkit with the ability for @code{thunar} to manipulate the file
system as root from within a user session, after the user has authenticated
with the administrator's password."
(service xfce-desktop-service-type config))
;;;
;;; The default set of desktop services.
;;;
(define %desktop-services
;; List of services typically useful for a "desktop" use case.
(cons* (slim-service)
;; Screen lockers are a pretty useful thing and these are small.
(screen-locker-service slock)
(screen-locker-service xlockmore "xlock")
;; Add udev rules for MTP devices so that non-root users can access
;; them.
(simple-service 'mtp udev-service-type (list libmtp))
;; The D-Bus clique.
(avahi-service)
(wicd-service)
(udisks-service)
(upower-service)
(colord-service)
(geoclue-service)
(polkit-service)
(elogind-service)
(dbus-service)
(ntp-service)
%base-services))
;;; desktop.scm ends here
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