services: dbus: Build '/etc/dbus-1/system-local.conf'.
* gnu/services/dbus.scm (dbus-etc-files): New procedure. (dbus-dmd-service): Remove the use of '--config-file'. (dbus-configuration-directory): Adjust accordingly. (dbus-root-service-type): Add extension of ETC-SERVICE-TYPE.
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;;; GNU Guix --- Functional package management for GNU
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
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;;;
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;;;
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;;; This file is part of GNU Guix.
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;;; This file is part of GNU Guix.
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;;;
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;;;
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(services dbus-configuration-services ;list of <package>
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(services dbus-configuration-services ;list of <package>
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(default '())))
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(default '())))
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(define (dbus-configuration-directory dbus services)
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(define (dbus-configuration-directory services)
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"Return a configuration directory for @var{dbus} that includes the
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"Return a directory contains the @code{system-local.conf} file for DBUS that
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@code{etc/dbus-1/system.d} directories of each package listed in
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includes the @code{etc/dbus-1/system.d} directories of each package listed in
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@var{services}."
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@var{services}."
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(define build
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(define build
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#~(begin
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#~(begin
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services)))
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services)))
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(mkdir #$output)
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(mkdir #$output)
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(copy-file (string-append #$dbus "/etc/dbus-1/system.conf")
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(string-append #$output "/system.conf"))
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;; The default 'system.conf' has an <includedir> clause for
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;; 'system.d', so create it.
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(mkdir (string-append #$output "/system.d"))
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;; 'system-local.conf' is automatically included by the default
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;; 'system-local.conf' is automatically included by the default
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;; 'system.conf', so this is where we stuff our own things.
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;; 'system.conf', so this is where we stuff our own things.
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(call-with-output-file (string-append #$output "/system-local.conf")
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(call-with-output-file (string-append #$output "/system-local.conf")
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(computed-file "dbus-configuration" build))
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(computed-file "dbus-configuration" build))
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(define (dbus-etc-files config)
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"Return a list of FILES for @var{etc-service-type} to build the
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@code{/etc/dbus-1} directory."
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(list `("dbus-1" ,(dbus-configuration-directory
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(dbus-configuration-services config)))))
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(define %dbus-accounts
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(define %dbus-accounts
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;; Accounts used by the system bus.
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;; Accounts used by the system bus.
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(list (user-group (name "messagebus") (system? #t))
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(list (user-group (name "messagebus") (system? #t))
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(execl prog)))
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(execl prog)))
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(waitpid pid)))))))
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(waitpid pid)))))))
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(define dbus-dmd-service
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(define (dbus-dmd-service config)
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(match-lambda
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(list (dmd-service
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(($ <dbus-configuration> dbus services)
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(documentation "Run the D-Bus system daemon.")
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(let ((conf (dbus-configuration-directory dbus services)))
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(provision '(dbus-system))
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(list (dmd-service
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(requirement '(user-processes))
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(documentation "Run the D-Bus system daemon.")
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(start #~(make-forkexec-constructor
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(provision '(dbus-system))
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(list (string-append #$dbus "/bin/dbus-daemon")
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(requirement '(user-processes))
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"--nofork" "--system")))
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(start #~(make-forkexec-constructor
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(stop #~(make-kill-destructor)))))
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(list (string-append #$dbus "/bin/dbus-daemon")
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"--nofork"
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(string-append "--config-file=" #$conf
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"/system.conf"))))
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(stop #~(make-kill-destructor))))))))
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(define dbus-root-service-type
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(define dbus-root-service-type
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(service-type (name 'dbus)
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(service-type (name 'dbus)
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dbus-dmd-service)
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dbus-dmd-service)
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(service-extension activation-service-type
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(service-extension activation-service-type
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dbus-activation)
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dbus-activation)
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(service-extension etc-service-type
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dbus-etc-files)
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(service-extension account-service-type
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(service-extension account-service-type
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(const %dbus-accounts))))
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(const %dbus-accounts))))
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