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guix/gnu/installer/final.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 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 (gnu installer final)
#:use-module (gnu installer newt page)
#:use-module (gnu installer steps)
#:use-module (gnu installer utils)
#:use-module (gnu services herd)
#:use-module (guix build utils)
#:export (install-system))
(define (install-system)
"Start COW-STORE service on target directory and launch guix install command
in a subshell."
(let ((install-command
(format #f "guix system init ~a ~a"
(%installer-configuration-file)
(%installer-target-dir))))
(mkdir-p (%installer-target-dir))
(start-service 'cow-store (list (%installer-target-dir)))
(false-if-exception (run-shell-command install-command))))