;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.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/>.

;;;
;;; 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 (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)))))))
staller/newt/locale.scm?id=ff1bb647b5d66af5fb1fbacdea08b46a6db90e77&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-02-02 16:46:44 +0100'>2022-02-02</span></td><td><a href='/guix/commit/gnu/installer/newt/locale.scm?id=726d0bd2f36363392ba2fcefd6e5d4aeed27dc9e'>installer: Use named prompt to abort or break installer steps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/steps.scm (run-installer-steps): Set up
'installer-step prompt.
* gnu/installer/newt/ethernet.scm (run-ethernet-page)
* gnu/installer/newt/final.scm (run-config-display-page,
run-install-failed-page)
* gnu/installer/newt/keymap.scm (run-layout-page, run-variant-page)
* gnu/installer/newt/locale.scm (run-language-page,
run-territory-page, run-codeset-page, run-modifier-page,
run-locale-page)
* gnu/installer/newt/network.scm (run-technology-page,
wait-service-online)
* gnu/installer/newt/page.scm (run-listbox-selection-page,
run-checkbox-tree-page)
* gnu/installer/newt/partition.scm (button-exit-action)
* gnu/installer/newt/services.scm (run-desktop-environments-cbt-page,
run-networking-cbt-page, run-other-services-cbt-page,
run-network-management-page)
* gnu/installer/newt/timezone.scm (run-timezone-page)
* gnu/installer/newt/user.scm (run-user-page)
* gnu/installer/newt/welcome.scm (run-menu-page)
* gnu/installer/newt/wifi.scm (run-wifi-page): Use the 'installer-step
prompt to abort.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>