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authorDavid Craven <david@craven.ch>2016-09-22 11:40:58 +0200
committerDavid Craven <david@craven.ch>2016-12-14 16:30:42 +0100
commit3e0c036584b41bcc08a8c8e040295716108bb0b2 (patch)
treefb90e055f18d75cec57107b1be4a457b3dcf1af0 /guix/scripts/import/crate.scm
parentbb3f36ed4ca83f01eb422f9de9c404d53218b382 (diff)
import: Add importer for rust crates.
* guix/import/crate.scm: New file. * guix/scripts/import/crate.scm: New file. * guix/scripts/import.scm (importers): Add crate importer. * tests/crate.scm: New file. * doc/guix.texi: Add crate importer to table. * Makefile.am (MODULES, SCM_TESTS): Add files.
Diffstat (limited to 'guix/scripts/import/crate.scm')
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1 files changed, 94 insertions, 0 deletions
diff --git a/guix/scripts/import/crate.scm b/guix/scripts/import/crate.scm
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+
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 David Thompson <davet@gnu.org>
+;;; Copyright © 2016 David Craven <david@craven.ch>
+;;;
+;;; 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 (ice-9 match)
+ #:use-module (ice-9 format)
+ #:export (guix-import-crate))
+
+
+;;;
+;;; Command-line options.
+;;;
+
+(define %default-options
+ '())
+
+(define (show-help)
+ (display (_ "Usage: guix import crate PACKAGE-NAME
+Import and convert the crate.io package for PACKAGE-NAME.\n"))
+ (display (_ "
+ -h, --help display this help and exit"))
+ (display (_ "
+ -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")))
+ %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 (_ "~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
+ ((package-name)
+ (let ((sexp (crate->guix-package package-name)))
+ (unless sexp
+ (leave (_ "failed to download meta-data for package '~a'~%")
+ package-name))
+ sexp))
+ (()
+ (leave (_ "too few arguments~%")))
+ ((many ...)
+ (leave (_ "too many arguments~%"))))))