guix-devel/guix/download.scm

179 lines
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.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/>.
(define-module (guix download)
#:use-module (ice-9 match)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module ((guix store) #:select (derivation-path?))
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:export (%mirrors
url-fetch))
;;; Commentary:
;;;
;;; Produce fixed-output derivations with data fetched over HTTP or FTP.
;;;
;;; Code:
(define %mirrors
;; Mirror lists used when `mirror://' URLs are passed.
(let* ((gnu-mirrors
'(;; This one redirects to a (supposedly) nearby and (supposedly)
;; up-to-date mirror.
"http://ftpmirror.gnu.org/"
"ftp://ftp.cs.tu-berlin.de/pub/gnu/"
"ftp://ftp.chg.ru/pub/gnu/"
"ftp://ftp.funet.fi/pub/mirrors/ftp.gnu.org/gnu/"
;; This one is the master repository, and thus it's always
;; up-to-date.
"http://ftp.gnu.org/pub/gnu/")))
`((gnu ,@gnu-mirrors)
(gcc
"ftp://ftp.nluug.nl/mirror/languages/gcc/"
"ftp://ftp.fu-berlin.de/unix/languages/gcc/"
"ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/"
"ftp://gcc.gnu.org/pub/gcc/"
,@(map (cut string-append <> "/gcc") gnu-mirrors))
(gnupg
"ftp://gd.tuwien.ac.at/privacy/gnupg/"
"ftp://gnupg.x-zone.org/pub/gnupg/"
"ftp://ftp.gnupg.cz/pub/gcrypt/"
"ftp://sunsite.dk/pub/security/gcrypt/"
"http://gnupg.wildyou.net/"
"http://ftp.gnupg.zone-h.org/"
"ftp://ftp.jyu.fi/pub/crypt/gcrypt/"
"ftp://trumpetti.atm.tut.fi/gcrypt/"
"ftp://mirror.cict.fr/gnupg/"
"ftp://ftp.strasbourg.linuxfr.org/pub/gnupg/")
(savannah
"http://download.savannah.gnu.org/releases/"
"ftp://ftp.twaren.net/Unix/NonGNU/"
"ftp://mirror.csclub.uwaterloo.ca/nongnu/"
"ftp://mirror.publicns.net/pub/nongnu/"
"ftp://savannah.c3sl.ufpr.br/"
"http://ftp.cc.uoc.gr/mirrors/nongnu.org/"
"http://ftp.twaren.net/Unix/NonGNU/"
"http://mirror.csclub.uwaterloo.ca/nongnu/"
"http://nongnu.askapache.com/"
"http://savannah.c3sl.ufpr.br/"
"http://www.centervenus.com/mirrors/nongnu/")
(sourceforge
"http://prdownloads.sourceforge.net/"
"http://heanet.dl.sourceforge.net/sourceforge/"
"http://surfnet.dl.sourceforge.net/sourceforge/"
"http://dfn.dl.sourceforge.net/sourceforge/"
"http://mesh.dl.sourceforge.net/sourceforge/"
"http://ovh.dl.sourceforge.net/sourceforge/"
"http://osdn.dl.sourceforge.net/sourceforge/")
(kernel.org
"http://www.all.kernel.org/pub/"
"http://ramses.wh2.tu-dresden.de/pub/mirrors/kernel.org/"
"http://linux-kernel.uio.no/pub/"
"http://kernel.osuosl.org/pub/"
"ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/"))))
(define (gnutls-derivation store system)
"Return the GnuTLS derivation for SYSTEM."
(let* ((module (resolve-interface '(gnu packages gnutls)))
(gnutls (module-ref module 'gnutls)))
(package-derivation store gnutls system)))
(define* (url-fetch store url hash-algo hash
#:optional name
#:key (system (%current-system)) guile
(mirrors %mirrors))
"Return the path of a fixed-output derivation in STORE that fetches
URL (a string, or a list of strings denoting alternate URLs), which is
expected to have hash HASH of type HASH-ALGO (a symbol). By default,
the file name is the base name of URL; optionally, NAME can specify a
different file name.
When one of the URL starts with mirror://, then its host part is
interpreted as the name of a mirror scheme, taken from MIRRORS; MIRRORS
must be a list of symbol/URL-list pairs."
(define builder
`(begin
(use-modules (guix build download))
(url-fetch ',url %output
#:mirrors ',mirrors)))
(define guile-for-build
(match guile
((? package?)
(package-derivation store guile system))
((and (? string?) (? derivation-path?))
guile)
(#f ; the default
(let* ((distro (resolve-interface '(gnu packages base)))
(guile (module-ref distro 'guile-final)))
(package-derivation store guile system)))))
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(define need-gnutls?
;; True if any of the URLs need TLS support.
(let ((https? (cut string-prefix? "https://" <>)))
(match url
((? string?)
(https? url))
((url ...)
(any https? url)))))
(let*-values (((gnutls-drv-path gnutls-drv)
(if need-gnutls?
(gnutls-derivation store system)
(values #f #f)))
((gnutls)
(and gnutls-drv
(derivation-output-path
(assoc-ref (derivation-outputs gnutls-drv)
"out"))))
((env-vars)
(if gnutls
(let ((dir (string-append gnutls "/share/guile/site")))
;; XXX: `GUILE_LOAD_COMPILED_PATH' is overridden
;; by `build-expression->derivation', so we can't
;; set it here.
`(("GUILE_LOAD_PATH" . ,dir)))
'())))
(build-expression->derivation store (or name file-name) system
builder
(if gnutls-drv
`(("gnutls" ,gnutls-drv-path))
'())
#:hash-algo hash-algo
#:hash hash
#:modules '((guix build download)
(guix build utils)
(guix ftp-client))
#:guile-for-build guile-for-build
#:env-vars env-vars)))
;;; download.scm ends here