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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@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 (guix scripts user)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu system)
#:use-module (guix derivations)
#:use-module (guix records)
#:use-module (guix scripts)
#:use-module (guix scripts build)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix gexp)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-37)
#:export (guix-user))
\f
;;;
;;; Command-line options.
;;;
(define %options
;; Specifications of the command-line options.
(cons* (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\r "reconfigure") #t #f
(lambda (opt name arg result)
(alist-cons 'action `(reconfigure . ,arg) result)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix user")))
%standard-build-options))
(define %default-options
`((system . ,(%current-system))
(substitutes? . #t)
(graft? . #t)
(max-silent-time . 3600)
(verbosity . 0)))
(define (show-help)
(display (G_ "Usage: guix user [OPTION]...
Create a bundle of PACKAGE.\n"))
(display (G_ "
-r, --reconfigure-services=FILE reconfigure services described in FILE"))
(newline)
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
\f
;;;
;;; User services.
;;;
(define (fold-user-services services)
(fold-services (cons* (service user-service-type #f)
%shepherd-user-root-service
services)
#:target-type shepherd-user-service-type))
(define (generate-sheperd-configuration services opts)
(mlet* %store-monad ((services -> (fold-user-services services))
(shepherd-conf.drv (service-value services))
(shepherd-launch (gexp->script "shepherd" shepherd-conf.drv))
(drvs -> (list shepherd-launch)))
(mbegin %store-monad
(show-what-to-build* drvs
#:use-substitutes?
(assoc-ref opts 'substitutes?))
(built-derivations drvs)
(return (derivation->output-path shepherd-launch)))))
\f
;;;
;;; Entry point.
;;;
(define %user-module
;; Module in which the user configuration file is loaded.
(make-user-module '((gnu system)
(gnu services))))
(define (process-action store opts)
(let ((action (assoc-ref opts 'action)))
(match action
(('reconfigure . file)
(let* ((user-conf
(if file
(load* file %user-module)
(leave (G_ "no user configuration file specified~%"))))
(services (user-configuration-services user-conf)))
(format #t "~a\n" (run-with-store store
(generate-sheperd-configuration services opts))))))))
(define (guix-user . args)
(with-error-handling
(let ((opts (parse-command-line args %options (list %default-options)))
(store (open-connection)))
(process-action store opts))))
|