3eb982377e
* guix/derivations.scm (imported-modules): New procedure. (build-expression->derivation): New keyword argument `modules'. Use `imported-modules' when MODULES is non-empty, and pass it with `-L' to GUILE. * guix/build/http.scm, guix/http.scm, tests/builders.scm: New files.
43 lines
1.4 KiB
Scheme
43 lines
1.4 KiB
Scheme
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
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;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of Guix.
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;;;
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;;; Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build http)
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#:use-module (web client)
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#:use-module (web uri)
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#:use-module (rnrs io ports)
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#:use-module (srfi srfi-11)
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#:export (http-fetch))
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;;; Commentary:
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;;;
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;;; Fetch data such as tarballs over HTTP (builder-side code).
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;;;
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;;; Code:
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(define (http-fetch url file)
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"Fetch data from URL and write it to FILE. Return FILE on success."
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;; FIXME: Use a variant of `http-get' that returns a port instead of
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;; loading everything in memory.
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(let-values (((resp bv)
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(http-get (string->uri url) #:decode-body? #f)))
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(call-with-output-file file
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(lambda (p)
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(put-bytevector p bv))))
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file)
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