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gnu: home: Add Guix channels service.

* gnu/home/services/guix.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add guix.scm.
* doc/guix.texi: Add documentation for home-channels-service.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
master
Reily Siegel 2022-06-29 17:05:26 -04:00 committed by Ludovic Courtès
parent 03bc18dfcf
commit 8d922504b2
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@ -105,6 +105,7 @@ Copyright @copyright{} 2022 Aleksandr Vityazev@*
Copyright @copyright{} 2022 Philip M@sup{c}Grath@*
Copyright @copyright{} 2022 Karl Hallsby@*
Copyright @copyright{} 2022 Justin Veilleux@*
Copyright @copyright{} 2022 Reily Siegel@*
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
@ -39433,6 +39434,7 @@ services)}.
* Shepherd: Shepherd Home Service. Managing User's Daemons.
* SSH: Secure Shell. Setting up the secure shell client.
* Desktop: Desktop Home Services. Services for graphical environments.
* Guix: Guix Home Services. Services for Guix.
@end menu
@c In addition to that Home Services can provide
@ -40073,6 +40075,37 @@ format.
@end deftp
@node Guix Home Services
@subsection Guix Home Services
The @code{(gnu home services guix)} module provides services for
user-specific Guix configuration.
@defvr {Scheme Variable} home-channels-service-type
This is the service type for managing
@file{$XDG_CONFIG_HOME/guix/channels.scm}, the file that controls the
channels received on @command{guix pull} (@pxref{Channels}). Its
associated value is a list of @code{channel} records, defined in the
@code{(guix channels)} module.
Generally, it is better to extend this service than to directly
configure it, as its default value is the default guix channel(s)
defined by @code{%default-channels}. If you configure this service
directly, be sure to include a guix channel. @xref{Specifying
Additional Channels} and @ref{Using a Custom Guix Channel} for more
details.
A typical extension for adding a channel might look like this:
@lisp
(simple-service 'variant-packages-service
home-channels-service-type
(list
(channel
(name 'variant-packages)
(url "https://example.org/variant-packages.git")))
@end lisp
@end defvr
@node Invoking guix home
@section Invoking @code{guix home}

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@ -0,0 +1,44 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Reily Siegel <mail@reilysiegel.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 home services guix)
#:use-module (gnu home services)
#:use-module (guix channels)
#:use-module (guix gexp)
#:use-module (ice-9 pretty-print)
#:use-module (srfi srfi-1)
#:export (home-channels-service-type))
(define (channels-xdg-files channels)
`(("guix/channels.scm"
,(plain-file
"channels.scm"
(call-with-output-string
(lambda (port)
(pretty-print (cons 'list (map channel->code channels)) port)))))))
(define home-channels-service-type
(service-type
(name 'home-channels)
(default-value %default-channels)
(compose concatenate)
(extend append)
(extensions
(list (service-extension home-xdg-configuration-files-service-type
channels-xdg-files)))
(description "Manages the per-user Guix channels specification.")))

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@ -83,6 +83,7 @@ GNU_SYSTEM_MODULES = \
%D%/home/services/desktop.scm \
%D%/home/services/symlink-manager.scm \
%D%/home/services/fontutils.scm \
%D%/home/services/guix.scm \
%D%/home/services/shells.scm \
%D%/home/services/shepherd.scm \
%D%/home/services/ssh.scm \