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guix/guix/download.scm
Ludovic Courtès 6b44a09747 download: Disable offloading for downloads. 
* guix/download.scm (url-fetch): Use #:local-build? #t.
* guix/git-download.scm (git-fetch): Likewise.
2015-09-05 22:11:03 +02:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014, 2015 Andreas Enge <andreas@enge.fr>
;;;
;;; 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)
#:use-module ((guix build download) #:prefix build:)
#:use-module (guix monads)
#:use-module (guix gexp)
#:use-module (guix utils)
#:use-module (web uri)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%mirrors
url-fetch
download-to-store))
;;; 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.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://mirrors.dotsrc.org/gcrypt/"
"ftp://mirror.cict.fr/gnupg/"
"http://artfiles.org/gnupg.org"
"ftp://ftp.franken.de/pub/crypt/mirror/ftp.gnupg.org/gcrypt/"
"ftp://ftp.freenet.de/pub/ftp.gnupg.org/gcrypt/"
"http://www.crysys.hu/"
"ftp://ftp.hi.is/pub/mirrors/gnupg/"
"ftp://ftp.heanet.ie/mirrors/ftp.gnupg.org/gcrypt/"
"ftp://ftp.bit.nl/mirror/gnupg/"
"ftp://ftp.surfnet.nl/pub/security/gnupg/"
"ftp://ftp.iasi.roedu.net/pub/mirrors/ftp.gnupg.org/"
"ftp://ftp.sunet.se/pub/security/gnupg/"
"ftp://mirror.switch.ch/mirror/gnupg/"
"ftp://mirror.tje.me.uk/pub/mirrors/ftp.gnupg.org/"
"ftp://ftp.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/"
"ftp://ftp.ring.gr.jp/pub/net/gnupg/"
"ftp://ftp.gnupg.org/gcrypt/")
(gnome
"http://ftp.belnet.be/ftp.gnome.org/"
"http://ftp.linux.org.uk/mirrors/ftp.gnome.org/"
"http://ftp.gnome.org/pub/GNOME/"
"http://mirror.yandex.ru/mirrors/ftp.gnome.org/")
(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/"
"http://download.savannah.gnu.org/releases-noredirect/")
(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/"
"http://ftp.be.debian.org/pub/"
"http://mirror.linux.org.au/")
(apache ; from http://www.apache.org/mirrors/dist.html
"http://www.eu.apache.org/dist/"
"http://www.us.apache.org/dist/"
"ftp://gd.tuwien.ac.at/pub/infosys/servers/http/apache/dist/"
"http://apache.belnet.be/"
"http://mirrors.ircam.fr/pub/apache/"
"http://apache-mirror.rbc.ru/pub/apache/"
;; As a last resort, try the archive.
"http://archive.apache.org/dist/")
(xorg ; from http://www.x.org/wiki/Releases/Download
"http://www.x.org/releases/" ; main mirrors
"ftp://mirror.csclub.uwaterloo.ca/x.org/" ; North America
"ftp://xorg.mirrors.pair.com/"
"http://mirror.csclub.uwaterloo.ca/x.org/"
"http://xorg.mirrors.pair.com/"
"http://mirror.us.leaseweb.net/xorg/"
"ftp://artfiles.org/x.org/" ; Europe
"ftp://ftp.chg.ru/pub/X11/x.org/"
"ftp://ftp.fu-berlin.de/unix/X11/FTP.X.ORG/"
"ftp://ftp.gwdg.de/pub/x11/x.org/"
"ftp://ftp.mirrorservice.org/sites/ftp.x.org/"
"ftp://ftp.ntua.gr/pub/X11/"
"ftp://ftp.piotrkosoft.net/pub/mirrors/ftp.x.org/"
"ftp://ftp.portal-to-web.de/pub/mirrors/x.org/"
"ftp://ftp.solnet.ch/mirror/x.org/"
"ftp://gd.tuwien.ac.at/X11/"
"ftp://mi.mirror.garr.it/mirrors/x.org/"
"ftp://mirror.cict.fr/x.org/"
"ftp://mirror.switch.ch/mirror/X11/"
"ftp://mirrors.ircam.fr/pub/x.org/"
"ftp://x.mirrors.skynet.be/pub/ftp.x.org/"
"ftp://ftp.cs.cuhk.edu.hk/pub/X11" ; East Asia
"ftp://ftp.u-aizu.ac.jp/pub/x11/x.org/"
"ftp://ftp.yz.yamagata-u.ac.jp/pub/X11/x.org/"
"ftp://ftp.kaist.ac.kr/x.org/"
"ftp://mirrors.go-part.com/xorg/"
"http://x.cs.pu.edu.tw/"
"ftp://ftp.is.co.za/pub/x.org") ; South Africa
(cpan ; from http://www.cpan.org/SITES.html
"http://cpan.enstimac.fr/"
"ftp://ftp.ciril.fr/pub/cpan/"
"ftp://artfiles.org/cpan.org/"
"http://www.cpan.org/"
"ftp://cpan.rinet.ru/pub/mirror/CPAN/"
"http://cpan.cu.be/"
"ftp://cpan.inode.at/"
"ftp://cpan.iht.co.il/"
"ftp://ftp.osuosl.org/pub/CPAN/"
"ftp://ftp.nara.wide.ad.jp/pub/CPAN/"
"http://mirrors.163.com/cpan/"
"ftp://cpan.mirror.ac.za/")
(cran
;; Arbitrary mirrors from http://cran.r-project.org/mirrors.html
;; This one automatically redirects to servers worldwide
"http://cran.rstudio.com/"
"http://cran.univ-lyon1.fr/"
"http://cran.r-mirror.de/"
"http://cran.ism.ac.jp/"
"http://cran.stat.auckland.ac.nz/"
"http://cran.mirror.ac.za/"
"http://cran.csie.ntu.edu.tw/")
(imagemagick
;; from http://www.imagemagick.org/script/download.php
;; (without mirrors that are unavailable or not up to date)
;; mirrors keeping old versions at the top level
"ftp://sunsite.icm.edu.pl/packages/ImageMagick/"
;; mirrors moving old versions to "legacy"
"http://mirrors-au.go-parts.com/mirrors/ImageMagick/"
"ftp://mirror.aarnet.edu.au/pub/imagemagick/"
"http://mirror.checkdomain.de/imagemagick/"
"ftp://ftp.kddlabs.co.jp/graphics/ImageMagick/"
"ftp://ftp.u-aizu.ac.jp/pub/graphics/image/ImageMagick/imagemagick.org/"
"ftp://ftp.nluug.nl/pub/ImageMagick/"
"http://ftp.surfnet.nl/pub/ImageMagick/"
"http://mirror.searchdaimon.com/ImageMagick"
"ftp://ftp.tpnet.pl/pub/graphics/ImageMagick/"
"http://mirrors-ru.go-parts.com/mirrors/ImageMagick/"
"http://mirror.is.co.za/pub/imagemagick/"
"http://mirrors-uk.go-parts.com/mirrors/ImageMagick/"
"http://mirrors-usa.go-parts.com/mirrors/ImageMagick/"
"ftp://ftp.fifi.org/pub/ImageMagick/"
"http://www.imagemagick.org/download/"
;; one legacy location as a last resort
"http://www.imagemagick.org/download/legacy/")
(debian
"http://ftp.de.debian.org/debian/"
"http://ftp.fr.debian.org/debian/"
"http://ftp.debian.org/debian/"))))
(define %mirror-file
;; Copy of the list of mirrors to a file. This allows us to keep a single
;; copy in the store, and computing it here avoids repeated calls to
;; 'object->string'.
(plain-file "mirrors" (object->string %mirrors)))
(define (gnutls-package)
"Return the default GnuTLS package."
(let ((module (resolve-interface '(gnu packages tls))))
(module-ref module 'gnutls)))
(define* (url-fetch url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Return a fixed-output derivation 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 %MIRROR-FILE.
Alternately, when URL starts with file://, return the corresponding file name
in the store."
(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)))))
(define builder
#~(begin
#+(if need-gnutls?
;; Add GnuTLS to the inputs and to the load path.
#~(eval-when (load expand eval)
(set! %load-path
(cons (string-append #+(gnutls-package)
"/share/guile/site/"
(effective-version))
%load-path)))
#~#t)
(use-modules (guix build download))
(url-fetch (call-with-input-string (getenv "guix download url")
read)
#$output
#:mirrors (call-with-input-file #$%mirror-file read))))
(let ((uri (and (string? url) (string->uri url))))
(if (or (and (string? url) (not uri))
(and uri (memq (uri-scheme uri) '(#f file))))
(interned-file (if uri (uri-path uri) url)
(or name file-name))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name file-name) builder
#:guile-for-build guile
#:system system
#:hash-algo hash-algo
#:hash hash
#:modules '((guix build download)
(guix build utils)
(guix ftp-client))
;; Use environment variables and a fixed script
;; name so there's only one script in store for
;; all the downloads.
#:script-name "download"
#:env-vars
`(("guix download url" . ,(object->string url)))
;; Honor the user's proxy settings.
#:leaked-env-vars '("http_proxy" "https_proxy")
;; In general, offloading downloads is not a good
;; idea. Daemons before 0.8.3 would also
;; interpret this as "do not substitute" (see
;; <https://bugs.gnu.org/18747>.)
#:local-build? #t)))))
(define* (download-to-store store url #:optional (name (basename url))
#:key (log (current-error-port)) recursive?)
"Download from URL to STORE, either under NAME or URL's basename if
omitted. Write progress reports to LOG. RECURSIVE? has the same effect as
the same-named parameter of 'add-to-store'."
(define uri
(string->uri url))
(if (or (not uri) (memq (uri-scheme uri) '(file #f)))
(add-to-store store name recursive? "sha256"
(if uri (uri-path uri) url))
(call-with-temporary-output-file
(lambda (temp port)
(let ((result
(parameterize ((current-output-port log))
(build:url-fetch url temp #:mirrors %mirrors))))
(close port)
(and result
(add-to-store store name recursive? "sha256" temp)))))))
;;; download.scm ends here
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