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authorNikita Karetnikov <nikita@karetnikov.org>2012-12-04 23:02:22 +0000
committerLudovic Courtès <ludo@gnu.org>2012-12-05 14:56:25 +0100
commit22189ed117afe435f56a1c0c7bd948e3650c6e4c (patch)
tree4d7b073854bf946569179d628a9215c04ef35d62 /guix/gnu-maintenance.scm
parentc7bdb1b9d1c0071e9a61a7bbdb8051a9b1620822 (diff)
Add (guix gnu-maintenance).
* guix/gnu-maintenance.scm: New file. * Makefile.am (MODULES): Add it.
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diff --git a/guix/gnu-maintenance.scm b/guix/gnu-maintenance.scm
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+;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
+;;; Copyright (C) 2012 Nikita Karetnikov <nikita@karetnikov.org>
+;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.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 (ice-9 regex)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-26)
+ #:export (official-gnu-packages))
+
+(define (http-fetch uri)
+ "Return a string containing the textual data at URI, a string."
+ (let*-values (((resp data)
+ (http-get (string->uri uri)))
+ ((code)
+ (response-code resp)))
+ (case code
+ ((200)
+ data)
+ (else
+ (error "download failed:" uri code
+ (response-reason-phrase resp))))))
+
+(define %package-list-url
+ (string-append "http://cvs.savannah.gnu.org/"
+ "viewvc/*checkout*/gnumaint/"
+ "gnupackages.txt?root=womb"))
+
+(define (official-gnu-packages)
+ "Return a list of GNU packages."
+ (define %package-line-rx
+ (make-regexp "^package: (.+)$"))
+
+ (let ((lst (string-split (http-fetch %package-list-url) #\nl)))
+ (filter-map (lambda (line)
+ (and=> (regexp-exec %package-line-rx line)
+ (cut match:substring <> 1)))
+ lst)))