49 lines
1.6 KiB
Scheme
49 lines
1.6 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 ftp)
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#:use-module (guix ftp-client)
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#:use-module (guix build utils)
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#:use-module (web uri)
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#:export (ftp-fetch))
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;;; Commentary:
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;;;
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;;; Fetch data such as tarballs over FTP (builder-side code).
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;;;
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;;; Code:
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(define (ftp-fetch url file)
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"Fetch data from URL and write it to FILE. Return FILE on success."
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(setvbuf (current-output-port) _IOLBF)
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(format #t "starting FTP download of `~a' from `~a'...~%" file url)
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(let* ((uri (string->uri url))
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(conn (ftp-open (uri-host uri)))
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(in (ftp-retr conn (basename (uri-path uri))
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(dirname (uri-path uri)))))
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(call-with-output-file file
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(lambda (out)
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;; TODO: Show a progress bar.
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(dump-port in out)))
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(ftp-close conn))
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file)
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;;; ftp.scm ends here
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