guix-devel/guix/scripts/import/crate.scm

118 lines
3.8 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2019 Martin Becze <mjbecze@riseup.net>
;;;
;;; 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 crate)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix scripts)
#:use-module (guix import crate)
#:use-module (guix scripts import)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-37)
#:use-module (srfi srfi-41)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:export (guix-import-crate))
;;;
;;; Command-line options.
;;;
(define %default-options
'())
(define (show-help)
(display (G_ "Usage: guix import crate PACKAGE-NAME
Import and convert the crate.io package for PACKAGE-NAME.\n"))
(display (G_ "
-r, --recursive import packages recursively"))
(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 crate")))
(option '(#\r "recursive") #f #f
(lambda (opt name arg result)
(alist-cons 'recursive #t result)))
%standard-import-options))
;;;
;;; Entry point.
;;;
(define (guix-import-crate . 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
((spec)
(define-values (name version)
(package-name->name+version spec))
(if (assoc-ref opts 'recursive)
(map (match-lambda
((and ('package ('name name) . rest) pkg)
`(define-public ,(string->symbol name)
,pkg))
(_ #f))
(reverse
(stream->list
(crate-recursive-import name))))
(let ((sexp (crate->guix-package name version)))
(unless sexp
(leave (G_ "failed to download meta-data for package '~a'~%")
(if version
(string-append name "@" version)
name)))
sexp)))
(()
(leave (G_ "too few arguments~%")))
((many ...)
(leave (G_ "too many arguments~%"))))))