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696 lines
27 KiB
Scheme
696 lines
27 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2012, 2013 Nikita Karetnikov <nikita@karetnikov.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix gnu-maintenance)
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#:use-module (web uri)
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#:use-module (web client)
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#:use-module (web response)
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#:use-module (sxml simple)
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#:use-module (ice-9 regex)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (rnrs io ports)
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#:use-module (system foreign)
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#:use-module (guix http-client)
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#:use-module (guix ftp-client)
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#:use-module (guix utils)
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#:use-module (guix memoization)
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#:use-module (guix records)
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#:use-module (guix upstream)
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#:use-module (guix packages)
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#:use-module (guix zlib)
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#:export (gnu-package-name
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gnu-package-mundane-name
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gnu-package-copyright-holder
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gnu-package-savannah
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gnu-package-fsd
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gnu-package-language
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gnu-package-logo
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gnu-package-doc-category
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gnu-package-doc-summary
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gnu-package-doc-description
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gnu-package-doc-urls
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gnu-package-download-url
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official-gnu-packages
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find-package
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gnu-package?
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release-file?
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releases
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latest-release
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gnu-release-archive-types
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gnu-package-name->name+version
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%gnu-updater
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%gnu-ftp-updater
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%kde-updater
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%xorg-updater
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%kernel.org-updater))
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;;; Commentary:
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;;;
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;;; Code for dealing with the maintenance of GNU packages, such as
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;;; auto-updates.
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;;;
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;;; Code:
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;;;
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;;; List of GNU packages.
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;;;
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(define %gnumaint-base-url
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"http://cvs.savannah.gnu.org/viewvc/*checkout*/womb/gnumaint/")
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(define %package-list-url
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(string->uri
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(string-append %gnumaint-base-url "rec/gnupackages.rec")))
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(define %package-description-url
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;; This file contains package descriptions in recutils format.
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;; See <https://lists.gnu.org/archive/html/guix-devel/2013-10/msg00071.html>
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;; and <https://lists.gnu.org/archive/html/guix-devel/2018-06/msg00362.html>.
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(string->uri
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(string-append %gnumaint-base-url "rec/pkgblurbs.rec")))
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(define-record-type* <gnu-package-descriptor>
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gnu-package-descriptor
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make-gnu-package-descriptor
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gnu-package-descriptor?
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(name gnu-package-name)
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(mundane-name gnu-package-mundane-name)
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(copyright-holder gnu-package-copyright-holder)
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(savannah gnu-package-savannah)
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(fsd gnu-package-fsd)
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(language gnu-package-language) ; list of strings
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(logo gnu-package-logo)
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(doc-category gnu-package-doc-category)
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(doc-summary gnu-package-doc-summary)
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(doc-description gnu-package-doc-description) ; taken from 'pkgdescr.txt'
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(doc-urls gnu-package-doc-urls) ; list of strings
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(download-url gnu-package-download-url))
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(define* (official-gnu-packages
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#:optional (fetch http-fetch/cached))
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"Return a list of records, which are GNU packages. Use FETCH,
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to fetch the list of GNU packages over HTTP."
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(define (read-records port)
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;; Return a list of alists. Each alist contains fields of a GNU
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;; package.
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(let loop ((alist (recutils->alist port))
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(result '()))
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(if (null? alist)
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(reverse result)
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(loop (recutils->alist port)
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;; Ignore things like "%rec" (info "(recutils) Record
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;; Descriptors").
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(if (assoc-ref alist "package")
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(cons alist result)
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result)))))
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(define official-description
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(let ((db (read-records (fetch %package-description-url #:text? #t))))
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(lambda (name)
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;; Return the description found upstream for package NAME, or #f.
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(and=> (find (lambda (alist)
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(equal? name (assoc-ref alist "package")))
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db)
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(lambda (record)
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(let ((field (assoc-ref record "blurb")))
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;; The upstream description file uses "redirect PACKAGE" as
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;; a blurb in cases where the description of the two
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;; packages should be considered the same (e.g., GTK+ has
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;; "redirect gnome".) This is usually not acceptable for
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;; us because we prefer to have distinct descriptions in
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;; such cases. Thus, ignore the 'blurb' field when that
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;; happens.
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(and field
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(not (string-prefix? "redirect " field))
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field)))))))
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(map (lambda (alist)
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(let ((name (assoc-ref alist "package")))
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(alist->record `(("description" . ,(official-description name))
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,@alist)
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make-gnu-package-descriptor
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(list "package" "mundane_name" "copyright_holder"
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"savannah" "fsd" "language" "logo"
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"doc_category" "doc_summary" "description"
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"doc_url"
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"download_url")
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'("doc_url" "language"))))
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(let* ((port (fetch %package-list-url #:text? #t))
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(lst (read-records port)))
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(close-port port)
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lst)))
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(define (find-package name)
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"Find GNU package called NAME and return it. Return #f if it was not
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found."
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(find (lambda (package)
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(string=? name (gnu-package-name package)))
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(official-gnu-packages)))
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(define gnu-package?
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(let ((official-gnu-packages (memoize official-gnu-packages)))
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(mlambdaq (package)
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"Return true if PACKAGE is a GNU package. This procedure may access the
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network to check in GNU's database."
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(define (mirror-type url)
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(let ((uri (string->uri url)))
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(and (eq? (uri-scheme uri) 'mirror)
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(cond
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((member (uri-host uri)
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'("gnu" "gnupg" "gcc" "gnome"))
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;; Definitely GNU.
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'gnu)
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((equal? (uri-host uri) "cran")
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;; Possibly GNU: mirror://cran could be either GNU R itself
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;; or a non-GNU package.
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#f)
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(else
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;; Definitely non-GNU.
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'non-gnu)))))
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(define (gnu-home-page? package)
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(letrec-syntax ((>> (syntax-rules ()
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((_ value proc)
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(and=> value proc))
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((_ value proc rest ...)
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(and=> value
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(lambda (next)
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(>> (proc next) rest ...)))))))
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(>> package package-home-page
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string->uri uri-host
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(lambda (host)
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(member host '("www.gnu.org" "gnu.org"))))))
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(or (gnu-home-page? package)
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(let ((url (and=> (package-source package) origin-uri))
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(name (package-upstream-name package)))
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(case (and (string? url) (mirror-type url))
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((gnu) #t)
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((non-gnu) #f)
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(else
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(and (member name (map gnu-package-name (official-gnu-packages)))
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#t))))))))
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;;;
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;;; Latest FTP release.
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;;;
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(define (ftp-server/directory package)
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"Return the FTP server and directory where PACKAGE's tarball are stored."
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(let ((name (package-upstream-name package)))
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(values (or (assoc-ref (package-properties package) 'ftp-server)
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"ftp.gnu.org")
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(or (assoc-ref (package-properties package) 'ftp-directory)
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(string-append "/gnu/" name)))))
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(define (sans-extension tarball)
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"Return TARBALL without its .tar.* or .zip extension."
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(let ((end (or (string-contains tarball ".tar")
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(string-contains tarball ".zip"))))
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(substring tarball 0 end)))
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(define %tarball-rx
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;; The .zip extensions is notably used for freefont-ttf.
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;; The "-src" pattern is for "TeXmacs-1.0.7.9-src.tar.gz".
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;; The "-gnu[0-9]" pattern is for "icecat-38.4.0-gnu1.tar.bz2".
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(make-regexp "^([^.]+)-([0-9]|[^-])+(-(src|gnu[0-9]))?\\.(tar\\.|zip$)"))
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(define %alpha-tarball-rx
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(make-regexp "^.*-.*[0-9](-|~)?(alpha|beta|rc|cvs|svn|git)-?[0-9\\.]*\\.tar\\."))
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(define (release-file? project file)
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"Return #f if FILE is not a release tarball of PROJECT, otherwise return
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true."
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(and (not (member (file-extension file) '("sig" "sign" "asc")))
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(and=> (regexp-exec %tarball-rx file)
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(lambda (match)
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;; Filter out unrelated files, like `guile-www-1.1.1'.
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;; Case-insensitive for things like "TeXmacs" vs. "texmacs".
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;; The "-src" suffix is for "freefont-src-20120503.tar.gz".
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(and=> (match:substring match 1)
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(lambda (name)
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(or (string-ci=? name project)
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(string-ci=? name
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(string-append project
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"-src")))))))
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(not (regexp-exec %alpha-tarball-rx file))
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(let ((s (sans-extension file)))
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(regexp-exec %package-name-rx s))))
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(define (tarball->version tarball)
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"Return the version TARBALL corresponds to. TARBALL is a file name like
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\"coreutils-8.23.tar.xz\"."
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(let-values (((name version)
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(gnu-package-name->name+version (sans-extension tarball))))
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version))
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(define* (releases project
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#:key
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(server "ftp.gnu.org")
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(directory (string-append "/gnu/" project)))
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"Return the list of <upstream-release> of PROJECT as a list of release
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name/directory pairs."
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;; TODO: Parse something like fencepost.gnu.org:/gd/gnuorg/packages-ftp.
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(define conn (ftp-open server))
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(let loop ((directories (list directory))
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(result '()))
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(match directories
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(()
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(ftp-close conn)
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(coalesce-sources result))
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((directory rest ...)
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(let* ((files (ftp-list conn directory))
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(subdirs (filter-map (match-lambda
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((name 'directory . _) name)
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(_ #f))
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files)))
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(define (file->url file)
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(string-append "ftp://" server directory "/" file))
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(define (file->source file)
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(let ((url (file->url file)))
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(upstream-source
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(package project)
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(version (tarball->version file))
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(urls (list url))
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(signature-urls (list (string-append url ".sig"))))))
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(loop (append (map (cut string-append directory "/" <>)
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subdirs)
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rest)
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(append
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;; Filter out signatures, deltas, and files which
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;; are potentially not releases of PROJECT--e.g.,
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;; in /gnu/guile, filter out guile-oops and
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;; guile-www; in mit-scheme, filter out binaries.
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(filter-map (match-lambda
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((file 'file . _)
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(and (release-file? project file)
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(file->source file)))
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(_ #f))
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files)
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result)))))))
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(define* (latest-ftp-release project
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#:key
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(server "ftp.gnu.org")
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(directory (string-append "/gnu/" project))
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(keep-file? (const #t))
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(file->signature (cut string-append <> ".sig"))
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(ftp-open ftp-open) (ftp-close ftp-close))
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"Return an <upstream-source> for the latest release of PROJECT on SERVER
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under DIRECTORY, or #f. Use FTP-OPEN and FTP-CLOSE to open (resp. close) FTP
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connections; this can be useful to reuse connections.
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KEEP-FILE? is a predicate to decide whether to enter a directory and to
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consider a given file (source tarball) as a valid candidate based on its name.
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FILE->SIGNATURE must be a procedure; it is passed a source file URL and must
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return the corresponding signature URL, or #f it signatures are unavailable."
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(define (latest a b)
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(if (version>? a b) a b))
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(define (latest-release a b)
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(if (version>? (upstream-source-version a) (upstream-source-version b))
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a b))
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(define patch-directory-name?
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;; Return #t for patch directory names such as 'bash-4.2-patches'.
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(cut string-suffix? "patches" <>))
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(define conn (ftp-open server))
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(define (file->url directory file)
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(string-append "ftp://" server directory "/" file))
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(define (file->source directory file)
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(let ((url (file->url directory file)))
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(upstream-source
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(package project)
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(version (tarball->version file))
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(urls (list url))
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(signature-urls (match (file->signature url)
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(#f #f)
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(sig (list sig)))))))
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(let loop ((directory directory)
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(result #f))
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(let* ((entries (ftp-list conn directory))
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;; Filter out things like /gnupg/patches. Filter out "w32"
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;; directories as found on ftp.gnutls.org.
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(subdirs (filter-map (match-lambda
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(((? patch-directory-name? dir)
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'directory . _)
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#f)
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(("w32" 'directory . _)
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#f)
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(("unstable" 'directory . _)
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;; As seen at ftp.gnupg.org/gcrypt/pinentry.
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#f)
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((directory 'directory . _)
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directory)
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(_ #f))
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entries))
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;; Whether or not SUBDIRS is empty, compute the latest releases
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;; for the current directory. This is necessary for packages
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;; such as 'sharutils' that have a sub-directory that contains
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;; only an older release.
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(releases (filter-map (match-lambda
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((file 'file . _)
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(and (release-file? project file)
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(keep-file? file)
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(file->source directory file)))
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(_ #f))
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entries)))
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;; Assume that SUBDIRS correspond to versions, and jump into the
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;; one with the highest version number.
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(let* ((release (reduce latest-release #f
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(coalesce-sources releases)))
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(result (if (and result release)
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(latest-release release result)
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(or release result)))
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(target (reduce latest #f subdirs)))
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(if target
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(loop (string-append directory "/" target)
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result)
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(begin
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(ftp-close conn)
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result))))))
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(define* (latest-release package
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#:key
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(server "ftp.gnu.org")
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(directory (string-append "/gnu/" package)))
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"Return the <upstream-source> for the latest version of PACKAGE or #f.
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PACKAGE must be the canonical name of a GNU package."
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(latest-ftp-release package
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#:server server
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#:directory directory))
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(define-syntax-rule (false-if-ftp-error exp)
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"Return #f if an FTP error is raise while evaluating EXP; return the result
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of EXP otherwise."
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(catch 'ftp-error
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(lambda ()
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exp)
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(lambda (key port . rest)
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(if (ftp-connection? port)
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(ftp-close port)
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(close-port port))
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#f)))
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(define (latest-release* package)
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"Like 'latest-release', but (1) take a <package> object, and (2) ignore FTP
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errors that might occur when PACKAGE is not actually a GNU package, or not
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hosted on ftp.gnu.org, or not under that name (this is the case for
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\"emacs-auctex\", for instance.)"
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(let-values (((server directory)
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(ftp-server/directory package)))
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(false-if-ftp-error (latest-release (package-upstream-name package)
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#:server server
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#:directory directory))))
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;;;
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;;; Latest HTTP release.
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;;;
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(define (html->sxml port)
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"Read HTML from PORT and return the corresponding SXML tree."
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(let ((str (get-string-all port)))
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(catch #t
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(lambda ()
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;; XXX: This is the poor developer's HTML-to-XML converter. It's good
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||
;; enough for directory listings at <https://kernel.org/pub> but if
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;; needed we could resort to (htmlprag) from Guile-Lib.
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(call-with-input-string (string-replace-substring str "<hr>" "<hr />")
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xml->sxml))
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(const '(html))))) ;parse error
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(define (html-links sxml)
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"Return the list of links found in SXML, the SXML tree of an HTML page."
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(let loop ((sxml sxml)
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(links '()))
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(match sxml
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(('a ('@ attributes ...) body ...)
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(match (assq 'href attributes)
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(#f (fold loop links body))
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(('href url) (fold loop (cons url links) body))))
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((tag ('@ _ ...) body ...)
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(fold loop links body))
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((tag body ...)
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(fold loop links body))
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(_
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links))))
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(define* (latest-html-release package
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#:key
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(base-url "https://kernel.org/pub")
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(directory (string-append "/" package))
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(file->signature (cut string-append <> ".sig")))
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"Return an <upstream-source> for the latest release of PACKAGE (a string) on
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SERVER under DIRECTORY, or #f. BASE-URL should be the URL of an HTML page,
|
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typically a directory listing as found on 'https://kernel.org/pub'.
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FILE->SIGNATURE must be a procedure; it is passed a source file URL and must
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return the corresponding signature URL, or #f it signatures are unavailable."
|
||
(let* ((uri (string->uri (string-append base-url directory "/")))
|
||
(port (http-fetch/cached uri #:ttl 3600))
|
||
(sxml (html->sxml port)))
|
||
(define (url->release url)
|
||
(and (string=? url (basename url)) ;relative reference?
|
||
(release-file? package url)
|
||
(let-values (((name version)
|
||
(package-name->name+version (sans-extension url)
|
||
#\-)))
|
||
(upstream-source
|
||
(package name)
|
||
(version version)
|
||
(urls (list (string-append base-url directory "/" url)))
|
||
(signature-urls
|
||
(list (string-append base-url directory "/"
|
||
(file-sans-extension url)
|
||
".sign")))))))
|
||
|
||
(define candidates
|
||
(filter-map url->release (html-links sxml)))
|
||
|
||
(close-port port)
|
||
(match candidates
|
||
(() #f)
|
||
((first . _)
|
||
;; Select the most recent release and return it.
|
||
(reduce (lambda (r1 r2)
|
||
(if (version>? (upstream-source-version r1)
|
||
(upstream-source-version r2))
|
||
r1 r2))
|
||
first
|
||
(coalesce-sources candidates))))))
|
||
|
||
|
||
;;;
|
||
;;; Updaters.
|
||
;;;
|
||
|
||
(define %gnu-file-list-uri
|
||
;; URI of the file list for ftp.gnu.org.
|
||
(string->uri "https://ftp.gnu.org/find.txt.gz"))
|
||
|
||
(define ftp.gnu.org-files
|
||
(mlambda ()
|
||
"Return the list of files available at ftp.gnu.org."
|
||
|
||
;; XXX: Memoize the whole procedure to work around the fact that
|
||
;; 'http-fetch/cached' caches the gzipped version.
|
||
|
||
(define (trim-leading-components str)
|
||
;; Trim the leading ".", if any, in "./gnu/foo".
|
||
(string-trim str (char-set #\.)))
|
||
|
||
(define (string->lines str)
|
||
(string-tokenize str (char-set-complement (char-set #\newline))))
|
||
|
||
;; Since https://ftp.gnu.org honors 'If-Modified-Since', the hard-coded
|
||
;; TTL can be relatively short.
|
||
(let ((port (http-fetch/cached %gnu-file-list-uri #:ttl (* 15 60))))
|
||
(map trim-leading-components
|
||
(call-with-gzip-input-port port
|
||
(compose string->lines get-string-all))))))
|
||
|
||
(define (latest-gnu-release package)
|
||
"Return the latest release of PACKAGE, a GNU package available via
|
||
ftp.gnu.org.
|
||
|
||
This method does not rely on FTP access at all; instead, it browses the file
|
||
list available from %GNU-FILE-LIST-URI over HTTP(S)."
|
||
(let-values (((server directory)
|
||
(ftp-server/directory package))
|
||
((name)
|
||
(package-upstream-name package)))
|
||
(let* ((files (ftp.gnu.org-files))
|
||
(relevant (filter (lambda (file)
|
||
(and (string-prefix? "/gnu" file)
|
||
(string-contains file directory)
|
||
(release-file? name (basename file))))
|
||
files)))
|
||
(match (sort relevant (lambda (file1 file2)
|
||
(version>? (sans-extension (basename file1))
|
||
(sans-extension (basename file2)))))
|
||
((and tarballs (reference _ ...))
|
||
(let* ((version (tarball->version reference))
|
||
(tarballs (filter (lambda (file)
|
||
(string=? (sans-extension
|
||
(basename file))
|
||
(sans-extension
|
||
(basename reference))))
|
||
tarballs)))
|
||
(upstream-source
|
||
(package name)
|
||
(version version)
|
||
(urls (map (lambda (file)
|
||
(string-append "mirror://gnu/"
|
||
(string-drop file
|
||
(string-length "/gnu/"))))
|
||
tarballs))
|
||
(signature-urls (map (cut string-append <> ".sig") urls)))))
|
||
(()
|
||
#f)))))
|
||
|
||
(define %package-name-rx
|
||
;; Regexp for a package name, e.g., "foo-X.Y". Since TeXmacs uses
|
||
;; "TeXmacs-X.Y-src", the `-src' suffix is allowed.
|
||
(make-regexp "^(.*)-(([0-9]|\\.)+)(-src)?"))
|
||
|
||
(define (gnu-package-name->name+version name+version)
|
||
"Return the package name and version number extracted from NAME+VERSION."
|
||
(let ((match (regexp-exec %package-name-rx name+version)))
|
||
(if (not match)
|
||
(values name+version #f)
|
||
(values (match:substring match 1) (match:substring match 2)))))
|
||
|
||
(define gnome-package?
|
||
(url-prefix-predicate "mirror://gnome/"))
|
||
|
||
(define (pure-gnu-package? package)
|
||
"Return true if PACKAGE is a non-Emacs and non-GNOME GNU package. This
|
||
excludes AucTeX, for instance, whose releases are now uploaded to
|
||
elpa.gnu.org, and all the GNOME packages; EMMS is included though, because its
|
||
releases are on gnu.org."
|
||
(and (or (not (string-prefix? "emacs-" (package-name package)))
|
||
(gnu-hosted? package))
|
||
(not (gnome-package? package))
|
||
(gnu-package? package)))
|
||
|
||
(define gnu-hosted?
|
||
(url-prefix-predicate "mirror://gnu/"))
|
||
|
||
(define (latest-kde-release package)
|
||
"Return the latest release of PACKAGE, the name of an KDE.org package."
|
||
(let ((uri (string->uri (origin-uri (package-source package)))))
|
||
(false-if-ftp-error
|
||
(latest-ftp-release
|
||
(package-upstream-name package)
|
||
#:server "mirrors.mit.edu"
|
||
#:directory
|
||
(string-append "/kde" (dirname (dirname (uri-path uri))))))))
|
||
|
||
(define (latest-xorg-release package)
|
||
"Return the latest release of PACKAGE, the name of an X.org package."
|
||
(let ((uri (string->uri (origin-uri (package-source package)))))
|
||
(false-if-ftp-error
|
||
(latest-ftp-release
|
||
(package-name package)
|
||
#:server "ftp.freedesktop.org"
|
||
#:directory
|
||
(string-append "/pub/xorg/" (dirname (uri-path uri)))))))
|
||
|
||
(define (latest-kernel.org-release package)
|
||
"Return the latest release of PACKAGE, the name of a kernel.org package."
|
||
(define %kernel.org-base
|
||
;; This URL and sub-directories thereof are nginx-generated directory
|
||
;; listings suitable for 'latest-html-release'.
|
||
"https://mirrors.edge.kernel.org/pub")
|
||
|
||
(define (file->signature file)
|
||
(string-append (file-sans-extension file) ".sign"))
|
||
|
||
(let* ((uri (string->uri (origin-uri (package-source package))))
|
||
(package (package-upstream-name package))
|
||
(directory (dirname (uri-path uri))))
|
||
(latest-html-release package
|
||
#:base-url %kernel.org-base
|
||
#:directory directory
|
||
#:file->signature file->signature)))
|
||
|
||
(define %gnu-updater
|
||
;; This is for everything at ftp.gnu.org.
|
||
(upstream-updater
|
||
(name 'gnu)
|
||
(description "Updater for GNU packages")
|
||
(pred gnu-hosted?)
|
||
(latest latest-gnu-release)))
|
||
|
||
(define %gnu-ftp-updater
|
||
;; This is for GNU packages taken from alternate locations, such as
|
||
;; alpha.gnu.org, ftp.gnupg.org, etc. It is obsolescent.
|
||
(upstream-updater
|
||
(name 'gnu-ftp)
|
||
(description "Updater for GNU packages only available via FTP")
|
||
(pred (lambda (package)
|
||
(and (not (gnu-hosted? package))
|
||
(pure-gnu-package? package))))
|
||
(latest latest-release*)))
|
||
|
||
(define %kde-updater
|
||
(upstream-updater
|
||
(name 'kde)
|
||
(description "Updater for KDE packages")
|
||
(pred (url-prefix-predicate "mirror://kde/"))
|
||
(latest latest-kde-release)))
|
||
|
||
(define %xorg-updater
|
||
(upstream-updater
|
||
(name 'xorg)
|
||
(description "Updater for X.org packages")
|
||
(pred (url-prefix-predicate "mirror://xorg/"))
|
||
(latest latest-xorg-release)))
|
||
|
||
(define %kernel.org-updater
|
||
(upstream-updater
|
||
(name 'kernel.org)
|
||
(description "Updater for packages hosted on kernel.org")
|
||
(pred (url-prefix-predicate "mirror://kernel.org/"))
|
||
(latest latest-kernel.org-release)))
|
||
|
||
;;; gnu-maintenance.scm ends here
|