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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Andy Wingo <wingo@pobox.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 potluck licenses)
#:use-module ((guix licenses) #:select (license?))
#:use-module (ice-9 match)
#:export (license-by-name all-potluck-license-names))
(define all-licenses
(delay
(let ((iface (resolve-interface '(guix licenses)))
(by-name (make-hash-table)))
(module-for-each (lambda (k var)
(let ((val (variable-ref var)))
(when (license? val)
(hashq-set! by-name k val))))
(resolve-interface '(guix licenses)))
by-name)))
(define (all-potluck-license-names)
(sort
(hash-map->list (lambda (k v) k) (force all-licenses))
(lambda (a b) (string<? (symbol->string a) (symbol->string b)))))
(define (license-by-name name)
(hashq-ref (force all-licenses) name))
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