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guix/guix/download.scm
Ludovic Courtès bc4d81d267
lint: archival: Lookup content in Disarchive database. 
* guix/lint.scm (lookup-disarchive-spec): New procedure.
(check-archival): When 'lookup-content' returns #f, call
'lookup-disarchive-spec'.  Call 'lookup-directory' on the result of
'lookup-directory'.
* guix/download.scm (%disarchive-mirrors): Make public.
* tests/lint.scm ("archival: missing content"): Set
'%disarchive-mirrors'.
("archival: content unavailable but disarchive available"): New test.
2021-05-22 23:13:11 +02:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014, 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Guy Fleury Iteriteka <hoonandon@gmail.com>
;;;
;;; 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)
#:autoload (guix build download) (url-fetch)
#: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
%disarchive-mirrors
(url-fetch* . url-fetch)
url-fetch/executable
url-fetch/tarbomb
url-fetch/zipbomb
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.
"https://ftpmirror.gnu.org/gnu/"
"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
"http://artfiles.org/gnupg.org"
"http://www.crysys.hu/"
"https://gnupg.org/ftp/gcrypt/"
"ftp://mirrors.dotsrc.org/gcrypt/"
"ftp://mirror.cict.fr/gnupg/"
"ftp://ftp.franken.de/pub/crypt/mirror/ftp.gnupg.org/gcrypt/"
"ftp://ftp.freenet.de/pub/ftp.gnupg.org/gcrypt/"
"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/"
"https://download.gnome.org/"
"http://mirror.yandex.ru/mirrors/ftp.gnome.org/")
(hackage
"http://hackage.haskell.org/")
(savannah ; http://download0.savannah.gnu.org/mirmon/savannah/
"http://download.savannah.gnu.org/releases/"
"http://nongnu.freemirror.org/nongnu/"
"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://download.savannah.gnu.org/releases-noredirect/"
"http://download-mirror.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/")
(sourceforge ; https://sourceforge.net/p/forge/documentation/Mirrors/
"http://downloads.sourceforge.net/project/"
"http://ufpr.dl.sourceforge.net/project/"
"http://heanet.dl.sourceforge.net/project/"
"http://freefr.dl.sourceforge.net/project/"
"http://internode.dl.sourceforge.net/project/"
"http://jaist.dl.sourceforge.net/project/"
"http://kent.dl.sourceforge.net/project/"
"http://liquidtelecom.dl.sourceforge.net/project/"
;; "http://nbtelecom.dl.sourceforge.net/project/" ;never returns 404s
"http://nchc.dl.sourceforge.net/project/"
"http://ncu.dl.sourceforge.net/project/"
"http://netcologne.dl.sourceforge.net/project/"
"http://netix.dl.sourceforge.net/project/"
"http://pilotfiber.dl.sourceforge.net/project/"
"http://superb-sea2.dl.sourceforge.net/project/"
"http://tenet.dl.sourceforge.net/project/"
"http://vorboss.dl.sourceforge.net/project/"
"http://netassist.dl.sourceforge.net/project/")
(netfilter.org ; https://www.netfilter.org/mirrors.html
"http://ftp.netfilter.org/pub/"
"ftp://ftp.es.netfilter.org/mirrors/netfilter/"
"ftp://ftp.hu.netfilter.org/"
"ftp://www.lt.netfilter.org/pub/")
(kernel.org
"http://linux-kernel.uio.no/pub/"
"http://kernel.osuosl.org/pub/"
"http://ftp.be.debian.org/pub/"
"http://mirror.linux.org.au/"
"ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/")
(apache ; from http://www.apache.org/mirrors/dist.html
"http://www.eu.apache.org/dist/"
"http://www.us.apache.org/dist/"
"https://ftp.nluug.nl/internet/apache/"
"http://apache.mirror.iweb.ca/"
"http://mirrors.ircam.fr/pub/apache/"
"http://apache.mirrors.ovh.net/ftp.apache.org/dist/"
"http://apache-mirror.rbc.ru/pub/apache/"
"ftp://ftp.osuosl.org/pub/apache/"
"http://mirrors.ibiblio.org/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
"http://mirror.csclub.uwaterloo.ca/x.org/" ; North America
"http://xorg.mirrors.pair.com/"
"http://mirror.us.leaseweb.net/xorg/"
"ftp://mirror.csclub.uwaterloo.ca/x.org/"
"ftp://xorg.mirrors.pair.com/"
"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://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/"
"http://x.cs.pu.edu.tw/" ; East Asia
"ftp://ftp.cs.cuhk.edu.hk/pub/X11"
"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/"
"ftp://ftp.is.co.za/pub/x.org") ; South Africa
(cpan
"http://www.cpan.org/"
"http://cpan.metacpan.org/"
;; A selection of HTTP mirrors from http://www.cpan.org/SITES.html.
;; Europe.
"http://ftp.belnet.be/mirror/ftp.cpan.org/"
"http://mirrors.nic.cz/CPAN/"
"http://mirror.ibcp.fr/pub/CPAN/"
"http://ftp.ntua.gr/pub/lang/perl/"
"http://mirror.as43289.net/pub/CPAN/"
"http://cpan.cs.uu.nl/"
"http://cpan.uib.no/"
"http://cpan-mirror.rbc.ru/pub/CPAN/"
"http://mirror.sbb.rs/CPAN/"
"http://cpan.lnx.sk/"
"http://ftp.rediris.es/mirror/CPAN/"
"http://mirror.ox.ac.uk/sites/www.cpan.org/"
;; Africa.
"http://mirror.liquidtelecom.com/CPAN/"
"http://cpan.mirror.ac.za/"
"http://mirror.is.co.za/pub/cpan/"
"http://cpan.saix.net/"
"http://mirror.ucu.ac.ug/cpan/"
;; North America.
"http://mirrors.gossamer-threads.com/CPAN/"
"http://mirror.csclub.uwaterloo.ca/CPAN/"
"http://mirrors.ucr.ac.cr/CPAN/"
"http://www.msg.com.mx/CPAN/"
"http://mirrors.namecheap.com/CPAN/"
"http://mirror.uic.edu/CPAN/"
"http://mirror.datapipe.net/CPAN/"
"http://mirror.cc.columbia.edu/pub/software/cpan/"
"http://mirror.uta.edu/CPAN/"
;; South America.
"http://cpan.mmgdesigns.com.ar/"
"http://mirror.nbtelecom.com.br/CPAN/"
"http://linorg.usp.br/CPAN/"
"http://cpan.dcc.uchile.cl/"
"http://mirror.cedia.org.ec/CPAN/"
;; Oceania.
"http://cpan.mirror.serversaustralia.com.au/"
"http://mirror.waia.asn.au/pub/cpan/"
"http://mirror.as24220.net/pub/cpan/"
"http://cpan.lagoon.nc/pub/CPAN/"
"http://cpan.inspire.net.nz/"
;; Asia.
"http://mirror.dhakacom.com/CPAN/"
"http://mirrors.ustc.edu.cn/CPAN/"
"http://ftp.cuhk.edu.hk/pub/packages/perl/CPAN/"
"http://kambing.ui.ac.id/cpan/"
"http://cpan.hostiran.ir/"
"http://ftp.nara.wide.ad.jp/pub/CPAN/"
"http://mirror.neolabs.kz/CPAN/"
"http://cpan.nctu.edu.tw/"
"http://cpan.ulak.net.tr/"
"http://mirrors.vinahost.vn/CPAN/")
(cran
;; Arbitrary mirrors from http://cran.r-project.org/mirrors.html
;; This one automatically redirects to servers worldwide
"http://cran.r-project.org/"
"http://cran.rstudio.com/"
"http://cran.univ-lyon1.fr/"
"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)
"https://sunsite.icm.edu.pl/packages/ImageMagick/releases"
"http://mirror.checkdomain.de/imagemagick/releases"
"ftp://ftp.u-aizu.ac.jp/pub/graphics/image/ImageMagick/imagemagick.org/releases"
"ftp://ftp.nluug.nl/pub/ImageMagick/"
"http://www.imagemagick.org/download/releases/"
;; Try this if all else fails (normally contains just the latest version).
"http://www.imagemagick.org/download/")
(debian
"http://ftp.de.debian.org/debian/"
"http://ftp.fr.debian.org/debian/"
"http://ftp.debian.org/debian/"
"http://archive.debian.org/debian/")
(kde
"http://download.kde.org"
"http://download.kde.org/Attic" ; for when it gets archived.
;; Mirrors from http://files.kde.org/extra/mirrors.html
;; Europe
"http://mirror.easyname.at/kde"
"http://mirror.karneval.cz/pub/kde"
"http://ftp.fi.muni.cz/pub/kde/"
"http://mirror.oss.maxcdn.com/kde/"
"http://ftp5.gwdg.de/pub/linux/kde/"
"http://ftp-stud.fht-esslingen.de/Mirrors/ftp.kde.org/pub/kde/"
"http://mirror.klaus-uwe.me/kde/ftp/"
"http://kde.beta.mirror.ga/"
"http://kde.alpha.mirror.ga/"
"http://mirror.netcologne.de/kde"
"http://vesta.informatik.rwth-aachen.de/ftp/pub/mirror/kde/"
"http://ftp.rz.uni-wuerzburg.de/pub/unix/kde/"
"http://mirrors.dotsrc.org/kde/"
"http://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/"
"http://kde-mirror.freenux.org/"
"http://mirrors.ircam.fr/pub/KDE/"
"http://www-ftp.lip6.fr/pub/X11/kde/"
"http://fr2.rpmfind.net/linux/KDE/"
"http://kde.mirror.anlx.net/"
"http://www.mirrorservice.org/sites/ftp.kde.org/pub/kde/"
"http://ftp.heanet.ie/mirrors/ftp.kde.org/"
"http://ftp.nluug.nl/pub/windowing/kde/"
"http://ftp.surfnet.nl/windowing/kde/"
"http://ftp.icm.edu.pl/pub/unix/kde/"
"http://ftp.pbone.net/pub/kde/"
"http://piotrkosoft.net/pub/mirrors/ftp.kde.org/"
"http://mirrors.fe.up.pt/pub/kde/"
"http://ftp.iasi.roedu.net/pub/mirrors/ftp.kde.org/"
"http://ftp.acc.umu.se/mirror/kde.org/ftp/"
"http://kde.ip-connect.vn.ua/"
;; North America
"http://mirror.its.dal.ca/kde/"
"http://mirror.csclub.uwaterloo.ca/kde/"
"http://mirror.cc.columbia.edu/pub/software/kde/"
"http://kde.mirrors.hoobly.com/"
"http://ftp.ussg.iu.edu/kde/"
"http://mirrors.mit.edu/kde/"
"http://kde.mirrors.tds.net/pub/kde/"
;; Oceania
"http://ftp.kddlabs.co.jp/pub/X11/kde/"
"http://kde.mirror.uber.com.au/")
(openbsd
"https://ftp.openbsd.org/pub/OpenBSD/"
;; Anycast CDN redirecting to your friendly local mirror.
"https://mirrors.evowise.com/pub/OpenBSD/"
;; Other HTTPS mirrors from https://www.openbsd.org/ftp.html
"https://mirror.aarnet.edu.au/pub/OpenBSD/"
"https://ftp2.eu.openbsd.org/pub/OpenBSD/"
"https://openbsd.c3sl.ufpr.br/pub/OpenBSD/"
"https://openbsd.ipacct.com/pub/OpenBSD/"
"https://ftp.OpenBSD.org/pub/OpenBSD/"
"https://openbsd.cs.toronto.edu/pub/OpenBSD/"
"https://openbsd.delfic.org/pub/OpenBSD/"
"https://openbsd.mirror.netelligent.ca/pub/OpenBSD/"
"https://mirrors.ucr.ac.cr/pub/OpenBSD/"
"https://mirrors.dotsrc.org/pub/OpenBSD/"
"https://mirror.one.com/pub/OpenBSD/"
"https://ftp.fr.openbsd.org/pub/OpenBSD/"
"https://ftp2.fr.openbsd.org/pub/OpenBSD/"
"https://mirrors.ircam.fr/pub/OpenBSD/"
"https://ftp.spline.de/pub/OpenBSD/"
"https://mirror.hs-esslingen.de/pub/OpenBSD/"
"https://ftp.halifax.rwth-aachen.de/openbsd/"
"https://ftp.hostserver.de/pub/OpenBSD/"
"https://ftp.fau.de/pub/OpenBSD/"
"https://ftp.cc.uoc.gr/pub/OpenBSD/"
"https://openbsd.hk/pub/OpenBSD/"
"https://ftp.heanet.ie/pub/OpenBSD/"
"https://openbsd.mirror.garr.it/pub/OpenBSD/"
"https://mirror.litnet.lt/pub/OpenBSD/"
"https://mirror.meerval.net/pub/OpenBSD/"
"https://ftp.nluug.nl/pub/OpenBSD/"
"https://ftp.bit.nl/pub/OpenBSD/"
"https://mirrors.dalenys.com/pub/OpenBSD/"
"https://ftp.icm.edu.pl/pub/OpenBSD/"
"https://ftp.rnl.tecnico.ulisboa.pt/pub/OpenBSD/"
"https://mirrors.pidginhost.com/pub/OpenBSD/"
"https://mirror.yandex.ru/pub/OpenBSD/"
"https://ftp.eu.openbsd.org/pub/OpenBSD/"
"https://ftp.yzu.edu.tw/pub/OpenBSD/"
"https://www.mirrorservice.org/pub/OpenBSD/"
"https://anorien.csc.warwick.ac.uk/pub/OpenBSD/"
"https://mirror.bytemark.co.uk/pub/OpenBSD/"
"https://mirrors.sonic.net/pub/OpenBSD/"
"https://ftp3.usa.openbsd.org/pub/OpenBSD/"
"https://mirrors.syringanetworks.net/pub/OpenBSD/"
"https://openbsd.mirror.constant.com/pub/OpenBSD/"
"https://ftp4.usa.openbsd.org/pub/OpenBSD/"
"https://ftp5.usa.openbsd.org/pub/OpenBSD/"
"https://mirror.esc7.net/pub/OpenBSD/")
(mate
"https://pub.mate-desktop.org/releases/"
"http://pub.mate-desktop.org/releases/"))))
(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 %content-addressed-mirrors
;; List of content-addressed mirrors. Each mirror is represented as a
;; procedure that takes a file name, an algorithm (symbol) and a hash
;; (bytevector), and returns a URL or #f.
'(begin
(use-modules (guix base32))
(define (guix-publish host)
(lambda (file algo hash)
;; Files served by 'guix publish' are accessible under a single
;; hash algorithm.
(string-append "https://" host "/file/"
file "/" (symbol->string algo) "/"
(bytevector->nix-base32-string hash))))
;; XXX: (guix base16) appeared in March 2017 (and thus 0.13.0) so old
;; installations of the daemon might lack it. Thus, load it lazily to
;; avoid gratuitous errors. See <https://bugs.gnu.org/33542>.
(module-autoload! (current-module)
'(guix base16) '(bytevector->base16-string))
(list (guix-publish "ci.guix.gnu.org")
(lambda (file algo hash)
;; 'tarballs.nixos.org' supports several algorithms.
(string-append "https://tarballs.nixos.org/"
(symbol->string algo) "/"
(bytevector->nix-base32-string hash)))
(lambda (file algo hash)
;; Software Heritage usually archives VCS history rather than
;; tarballs, but tarballs are sometimes available (and can be
;; explicitly stored there.) For example, see
;; <https://archive.softwareheritage.org/api/1/content/sha256:92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e/>.
(string-append "https://archive.softwareheritage.org/api/1/content/"
(symbol->string algo) ":"
(bytevector->base16-string hash) "/raw/")))))
(define %content-addressed-mirror-file
;; Content-addressed mirrors stored in a file.
(plain-file "content-addressed-mirrors"
(object->string %content-addressed-mirrors)))
(define %disarchive-mirrors
'("https://disarchive.ngyro.com/"))
(define %disarchive-mirror-file
(plain-file "disarchive-mirrors" (object->string %disarchive-mirrors)))
(define built-in-builders*
(store-lift built-in-builders))
(define* (built-in-download file-name url
#:key system hash-algo hash
mirrors content-addressed-mirrors
disarchive-mirrors
executable?
(guile 'unused))
"Download FILE-NAME from URL using the built-in 'download' builder. When
EXECUTABLE? is true, make the downloaded file executable.
This is an \"out-of-band\" download in that the returned derivation does not
explicitly depend on Guile, GnuTLS, etc. Instead, the daemon performs the
download by itself using its own dependencies."
(mlet %store-monad ((mirrors (lower-object mirrors))
(content-addressed-mirrors
(lower-object content-addressed-mirrors))
(disarchive-mirrors (lower-object disarchive-mirrors)))
(raw-derivation file-name "builtin:download" '()
#:system system
#:hash-algo hash-algo
#:hash hash
#:recursive? executable?
#:sources (list mirrors
content-addressed-mirrors
disarchive-mirrors)
;; Honor the user's proxy and locale settings.
#:leaked-env-vars '("http_proxy" "https_proxy"
"LC_ALL" "LC_MESSAGES" "LANG"
"COLUMNS")
#:env-vars `(("url" . ,(object->string url))
("mirrors" . ,mirrors)
("content-addressed-mirrors"
. ,content-addressed-mirrors)
("disarchive-mirrors" . ,disarchive-mirrors)
,@(if executable?
'(("executable" . "1"))
'()))
;; Do not offload this derivation because we cannot be
;; sure that the remote daemon supports the 'download'
;; built-in. We may remove this limitation when support
;; for that built-in is widespread.
#:local-build? #t)))
(define* (url-fetch* url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile))
executable?)
"Return a fixed-output derivation that fetches data from 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 EXECUTABLE? is
true, make the downloaded file executable.
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.
Alternatively, when URL starts with file://, return the corresponding file
name in the store."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(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 ((builtins (built-in-builders*)))
;; The "download" built-in builder was added in guix-daemon in
;; Nov. 2016 and made it in the 0.12.0 release of Dec. 2016. We now
;; require it.
(unless (member "download" builtins)
(error "'guix-daemon' is too old, please upgrade" builtins))
(built-in-download (or name file-name) url
#:guile guile
#:system system
#:hash-algo hash-algo
#:hash hash
#:executable? executable?
#:mirrors %mirror-file
#:content-addressed-mirrors
%content-addressed-mirror-file
#:disarchive-mirrors
%disarchive-mirror-file)))))
(define* (url-fetch/executable url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Like 'url-fetch', but make the downloaded file executable."
(url-fetch* url hash-algo hash name
#:system system
#:guile guile
#:executable? #t))
(define* (url-fetch/tarbomb url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Similar to 'url-fetch' but unpack the file from URL in a directory of its
own. This helper makes it easier to deal with \"tar bombs\"."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(define gzip
(module-ref (resolve-interface '(gnu packages compression)) 'gzip))
(define tar
(module-ref (resolve-interface '(gnu packages base)) 'tar))
(mlet %store-monad ((drv (url-fetch* url hash-algo hash
(string-append "tarbomb-"
(or name file-name))
#:system system
#:guile guile))
(guile (package->derivation guile system)))
;; Take the tar bomb, and simply unpack it as a directory.
;; Use ungrafted tar/gzip so that the resulting tarball doesn't depend on
;; whether grafts are enabled.
(gexp->derivation (or name file-name)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir #$output)
(setenv "PATH" (string-append #+gzip "/bin"))
(chdir #$output)
(invoke (string-append #+tar "/bin/tar")
"xf" #$drv)))
#:system system
#:guile-for-build guile
#:graft? #f
#:local-build? #t)))
(define* (url-fetch/zipbomb url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Similar to 'url-fetch' but unpack the zip file at URL in a directory of its
own. This helper makes it easier to deal with \"zip bombs\"."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(define unzip
(module-ref (resolve-interface '(gnu packages compression)) 'unzip))
(mlet %store-monad ((drv (url-fetch* url hash-algo hash
(string-append "zipbomb-"
(or name file-name))
#:system system
#:guile guile))
(guile (package->derivation guile system)))
;; Take the zip bomb, and simply unpack it as a directory.
;; Use ungrafted unzip so that the resulting tarball doesn't depend on
;; whether grafts are enabled.
(gexp->derivation (or name file-name)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir #$output)
(chdir #$output)
(invoke (string-append #+unzip "/bin/unzip")
#$drv)))
#:system system
#:guile-for-build guile
#:graft? #f
#:local-build? #t)))
(define* (download-to-store store url #:optional (name (basename url))
#:key (log (current-error-port)) recursive?
(verify-certificate? #t))
"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'. VERIFY-CERTIFICATE? determines
whether or not to validate HTTPS server certificates."
(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))
(url-fetch url temp
#:mirrors %mirrors
#:verify-certificate? verify-certificate?))))
(close port)
(and result
(add-to-store store name recursive? "sha256" temp)))))))
;;; download.scm ends here
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