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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 system accounts)
#:use-module (guix records)
#:use-module (ice-9 match)
#:export (user-account
user-account?
user-account-name
user-account-password
user-account-uid
user-account-group
user-account-supplementary-groups
user-account-comment
user-account-home-directory
user-account-create-home-directory?
user-account-shell
user-account-system?
user-group
user-group?
user-group-name
user-group-password
user-group-id
user-group-system?
sexp->user-account
sexp->user-group
default-shell))
;;; Commentary:
;;;
;;; Data structures representing user accounts and user groups. This is meant
;;; to be used both on the host side and at run time--e.g., in activation
;;; snippets.
;;;
;;; Code:
(define default-shell
;; Default shell for user accounts (a string or string-valued gexp).
(make-parameter "/bin/sh"))
(define-record-type* <user-account>
user-account make-user-account
user-account?
(name user-account-name)
(password user-account-password (default #f))
(uid user-account-uid (default #f))
(group user-account-group) ; number | string
(supplementary-groups user-account-supplementary-groups
(default '())) ; list of strings
(comment user-account-comment (default ""))
(home-directory user-account-home-directory)
(create-home-directory? user-account-create-home-directory? ;Boolean
(default #t))
(shell user-account-shell ; gexp
(default (default-shell)))
(system? user-account-system? ; Boolean
(default #f)))
(define-record-type* <user-group>
user-group make-user-group
user-group?
(name user-group-name)
(password user-group-password (default #f))
(id user-group-id (default #f))
(system? user-group-system? ; Boolean
(default #f)))
(define (sexp->user-group sexp)
"Take SEXP, a tuple as returned by 'user-group->gexp', and turn it into a
user-group record."
(match sexp
((name password id system?)
(user-group (name name)
(password password)
(id id)
(system? system?)))))
(define (sexp->user-account sexp)
"Take SEXP, a tuple as returned by 'user-account->gexp', and turn it into a
user-account record."
(match sexp
((name uid group supplementary-groups comment home-directory
create-home-directory? shell password system?)
(user-account (name name) (uid uid) (group group)
(supplementary-groups supplementary-groups)
(comment comment)
(home-directory home-directory)
(create-home-directory? create-home-directory?)
(shell shell) (password password)
(system? system?)))))
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