;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2014, 2016 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 (guix scripts import gnu) #:use-module (guix ui) #:use-module (guix utils) #:use-module (guix scripts) #:use-module (guix import gnu) #:use-module (guix scripts import) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-37) #:use-module (ice-9 match) #:export (guix-import-gnu)) ;;; ;;; Command-line options. ;;; (define %default-options '((key-download . interactive))) (define (show-help) (display (G_ "Usage: guix import gnu [OPTION...] PACKAGE Return a package declaration template for PACKAGE, a GNU package.\n")) ;; '--key-download' taken from (guix scripts refresh). (display (G_ " --key-download=POLICY handle missing OpenPGP keys according to POLICY: 'always', 'never', and 'interactive', which is also used when 'key-download' is not specified")) (newline) (display (G_ " -h, --help display this help and exit")) (display (G_ " -V, --version display version information and exit")) (newline) (show-bug-report-information)) (define %options ;; Specification of the command-line options. (cons* (option '(#\h "help") #f #f (lambda args (show-help) (exit 0))) (option '(#\V "version") #f #f (lambda args (show-version-and-exit "guix import gnu"))) (option '("key-download") #t #f ;from (guix scripts refresh) (lambda (opt name arg result) (match arg ((or "interactive" "always" "never") (alist-cons 'key-download (string->symbol arg) result)) (x (leave (G_ "unsupported policy: ~a~%") arg))))) %standard-import-options)) ;;; ;;; Entry point. ;;; (define (guix-import-gnu . args) (define (parse-options) ;; Return the alist of option values. (args-fold* args %options (lambda (opt name arg result) (leave (G_ "~A: unrecognized option~%") name)) (lambda (arg result) (alist-cons 'argument arg result)) %default-options)) (let* ((opts (parse-options)) (args (filter-map (match-lambda (('argument . value) value) (_ #f)) (reverse opts)))) (match args ((name) (with-error-handling (gnu->guix-package name #:key-download (assoc-ref opts 'key-download)))) (x (leave (G_ "wrong number of arguments~%")))))) ;;; gnu.scm ends here