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| | ;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
;;; Copyright (C) 2012 Nikita Karetnikov <nikita@karetnikov.org>
;;;
;;; This file is part of Guix.
;;;
;;; 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.
;;;
;;; 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 Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix gnu-maintenance)
#:use-module (web uri)
#:use-module (web client)
#:use-module (web response)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (ice-9 regex))
(define (http-fetch str)
"Fetch a file from STR, which should be a URI."
(let*-values (((resp data)
(http-get (string->uri str)))
((code)
(response-code resp)))
(case code
((200)
data)
(else
(error "download failed:" str code
(string-downcase (response-reason-phrase resp)))))))
(define (rx-filter lst rx)
"Filter a list using a regexp."
(map (cut match:substring <>)
((cut delete #f <>)
(map (cut regexp-exec rx <>)
lst))))
(define %womb
(string-append "http://cvs.savannah.gnu.org/"
"viewvc/*checkout*/gnumaint/"
"gnupackages.txt?root=womb"))
(define-public (gnu-packages-womb)
"Return a list of GNU packages."
(let ((lst (string-split (http-fetch %womb) #\nl)))
(map (cut string-drop <> 9)
(rx-filter lst (make-regexp "^package: (.+)$")))))
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