gnu: Add breeze.
[jackhill/guix/guix.git] / guix / i18n.scm
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1;;; GNU Guix --- Functional package management for GNU
2;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
3;;;
4;;; This file is part of GNU Guix.
5;;;
6;;; GNU Guix is free software; you can redistribute it and/or modify it
7;;; under the terms of the GNU General Public License as published by
8;;; the Free Software Foundation; either version 3 of the License, or (at
9;;; your option) any later version.
10;;;
11;;; GNU Guix is distributed in the hope that it will be useful, but
12;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
18
19(define-module (guix i18n)
20 #:use-module (srfi srfi-26)
21 #:export (G_
22 N_
23 P_
24 %gettext-domain
25 %package-text-domain))
26
27;;; Commentary:
28;;;
29;;; Internationalization support.
30;;;
31;;; Code:
32
33(define %gettext-domain
34 ;; Text domain for strings used in the tools.
35 "guix")
36
37(define %package-text-domain
38 ;; Text domain for package synopses and descriptions.
39 "guix-packages")
40
41(define G_ (cut gettext <> %gettext-domain))
42(define N_ (cut ngettext <> <> <> %gettext-domain))
43
44(define (P_ msgid)
45 "Return the translation of the package description or synopsis MSGID."
46 ;; Descriptions/synopses might occasionally be empty strings, even if that
47 ;; is something we try to avoid. Since (gettext "") can return a non-empty
48 ;; string, explicitly check for that case.
49 (if (string-null? msgid)
50 msgid
51 (gettext msgid %package-text-domain)))