services: Add the Guix Home service.

This patch adds a Guix Home service, which allows for configuring/deploying an
operating-system declaration with an associated home-environment.

* gnu/services/guix.scm: Add guix-home-service and guix-home-shepherd-service
* gnu/home/services/shepherd.scm: Don't attempt to launch user shepherd when
the system shepherd runs guix-home-<user>
* doc/guix.texi: Add documentation for guix-home-service
* gnu/tests/guix.scm: Add a test to verify guix-home-service-type is able to
activate a home environment

Change-Id: Ifbcc0878d934aa4abe34bb2123b5081fb432aa8e
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Richard Sent 2024-03-21 14:36:43 -04:00 committed by Ludovic Courtès
parent 9f8e92cc7d
commit 59bb53823e
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4 changed files with 149 additions and 1 deletions

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@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019, 2020, 2021, 2022 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2024 Andrew Tropin <andrew@trop.in>
;;;
;;; This file is part of GNU Guix.
;;;
@ -101,6 +102,8 @@
guix-data-service-type
guix-home-service-type
nar-herder-service-type
nar-herder-configuration
nar-herder-configuration?
@ -686,6 +689,41 @@ ca-certificates.crt file in the system profile."
(description
"Run an instance of the Guix Data Service.")))
;;;
;;; Guix Home Service
;;;
(define (guix-home-shepherd-service config)
(map (match-lambda
((user he)
(shepherd-service
(documentation "Activate Guix Home.")
(requirement '(user-processes))
(provision (list (symbol-append 'guix-home- (string->symbol user))))
(one-shot? #t)
(auto-start? #t)
(start #~(make-forkexec-constructor
'(#$(file-append he "/activate"))
#:user #$user
#:environment-variables
(list (string-append "HOME=" (passwd:dir (getpw #$user)))
"GUIX_SYSTEM_IS_RUNNING_HOME_ACTIVATE=t")
#:group (group:name (getgrgid (passwd:gid (getpw #$user))))))
(stop #~(make-kill-destructor)))))
config))
(define guix-home-service-type
(service-type
(name 'guix-home)
(description "Sets up Guix Home for the specified user accounts.")
(extensions (list (service-extension
shepherd-root-service-type
guix-home-shepherd-service)))
(compose concatenate)
(extend append)
(default-value '())))
;;;
;;; Nar Herder