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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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/>.
;;;
;;; Download a binary file from an external source.
;;;
(use-modules (ice-9 match)
(web uri)
(web client)
(rnrs io ports)
(srfi srfi-11)
(guix utils)
(guix hash))
(define %url-base
"http://alpha.gnu.org/gnu/guix/bootstrap"
;; Alternately:
;;"http://www.fdn.fr/~lcourtes/software/guix/packages"
)
;; XXX: Work around <http://bugs.gnu.org/13095>, present in Guile
;; up to 2.0.7.
(module-define! (resolve-module '(web client))
'shutdown (const #f))
(define (file-name->uri file)
"Return the URI for FILE."
(match (string-tokenize file (char-set-complement (char-set #\/)))
((_ ... system basename)
(string->uri
(match system
("aarch64-linux"
(string-append "http://flashner.co.il/guix/bootstrap/aarch64-linux"
"/20170217/" basename))
(_ (string-append %url-base "/" system
(match system
("armhf-linux"
"/20150101/")
(_
"/20131110/"))
basename)))))))
(match (command-line)
((_ file expected-hash)
(let ((uri (file-name->uri file)))
(format #t "downloading file `~a'~%from `~a'...~%"
file (uri->string uri))
(let*-values (((resp data) (http-get uri #:decode-body? #f))
((hash) (bytevector->base16-string (sha256 data)))
((part) (string-append file ".part")))
(if (string=? expected-hash hash)
(begin
(call-with-output-file part
(lambda (port)
(put-bytevector port data)))
(rename-file part file))
(begin
(format (current-error-port)
"file at `~a' has SHA256 ~a; expected ~a~%"
(uri->string uri) hash expected-hash)
(exit 1)))))))
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