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-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
-;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
-;;;
-;;; 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 shepherd)
- #:use-module (gnu home-services)
- #:use-module (gnu packages admin)
- #:use-module (gnu services shepherd)
- #:use-module (guix sets)
- #:use-module (guix gexp)
- #:use-module (guix records)
-
- #:use-module (srfi srfi-1)
-
- #:export (home-shepherd-service-type
- home-shepherd-configuration)
- #:re-export (shepherd-service
- shepherd-action))
-
-(define-record-type* <home-shepherd-configuration>
- home-shepherd-configuration make-home-shepherd-configuration
- home-shepherd-configuration?
- (shepherd home-shepherd-configuration-shepherd
- (default shepherd)) ; package
- (auto-start? home-shepherd-configuration-auto-start?
- (default #t))
- (services home-shepherd-configuration-services
- (default '())))
-
-(define (home-shepherd-configuration-file services shepherd)
- "Return the shepherd configuration file for SERVICES. SHEPHERD is used
-as shepherd package."
- (assert-valid-graph services)
-
- (let ((files (map shepherd-service-file services))
- ;; TODO: Add compilation of services, it can improve start
- ;; time.
- ;; (scm->go (cute scm->go <> shepherd))
- )
- (define config
- #~(begin
- (use-modules (srfi srfi-34)
- (system repl error-handling))
- (apply
- register-services
- (map
- (lambda (file) (load file))
- '#$files))
- (action 'root 'daemonize)
- (format #t "Starting services...~%")
- (for-each
- (lambda (service) (start service))
- '#$(append-map shepherd-service-provision
- (filter shepherd-service-auto-start?
- services)))
- (newline)))
-
- (scheme-file "shepherd.conf" config)))
-
-(define (launch-shepherd-gexp config)
- (let* ((shepherd (home-shepherd-configuration-shepherd config))
- (services (home-shepherd-configuration-services config)))
- (if (home-shepherd-configuration-auto-start? config)
- (with-imported-modules '((guix build utils))
- #~(let ((log-dir (or (getenv "XDG_LOG_HOME")
- (format #f "~a/.local/var/log" (getenv "HOME")))))
- ((@ (guix build utils) mkdir-p) log-dir)
- (system*
- #$(file-append shepherd "/bin/shepherd")
- "--logfile"
- (string-append
- log-dir
- "/shepherd.log")
- "--config"
- #$(home-shepherd-configuration-file services shepherd))))
- #~"")))
-
-(define (reload-configuration-gexp config)
- (let* ((shepherd (home-shepherd-configuration-shepherd config))
- (services (home-shepherd-configuration-services config)))
- #~(system*
- #$(file-append shepherd "/bin/herd")
- "load" "root"
- #$(home-shepherd-configuration-file services shepherd))))
-
-(define (ensure-shepherd-gexp config)
- #~(if (file-exists?
- (string-append
- (or (getenv "XDG_RUNTIME_DIR")
- (format #f "/run/user/~a" (getuid)))
- "/shepherd/socket"))
- #$(reload-configuration-gexp config)
- #$(launch-shepherd-gexp config)))
-
-(define-public home-shepherd-service-type
- (service-type (name 'home-shepherd)
- (extensions
- (list (service-extension
- home-run-on-first-login-service-type
- launch-shepherd-gexp)
- (service-extension
- home-activation-service-type
- ensure-shepherd-gexp)
- (service-extension
- home-profile-service-type
- (lambda (config)
- `(,(home-shepherd-configuration-shepherd config))))))
- (compose concatenate)
- (extend
- (lambda (config extra-services)
- (home-shepherd-configuration
- (inherit config)
- (services
- (append (home-shepherd-configuration-services config)
- extra-services)))))
- (default-value (home-shepherd-configuration))
- (description "Configure and install userland Shepherd.")))
-
-