421 lines
16 KiB
Scheme
421 lines
16 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2010, 2011, 2012, 2013, 2014, 2015 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 (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 (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 records)
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#:use-module (guix upstream)
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#:use-module (guix packages)
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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-packages
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gnu-package?
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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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;;; 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*/gnumaint/")
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(define %package-list-url
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(string->uri
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(string-append %gnumaint-base-url "gnupackages.txt?root=womb")))
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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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(string->uri
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(string-append %gnumaint-base-url "pkgblurbs.txt?root=womb")))
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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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(cons alist 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-packages regexp)
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"Find GNU packages which satisfy REGEXP."
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(let ((name-rx (make-regexp regexp)))
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(filter (lambda (package)
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(false-if-exception
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(regexp-exec name-rx (gnu-package-name package))))
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(official-gnu-packages))))
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(define gnu-package?
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(memoize
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(let ((official-gnu-packages (memoize official-gnu-packages)))
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(lambda (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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(and=> (package-home-page package)
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(lambda (url)
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(and=> (uri-host (string->uri url))
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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-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 release.
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;;;
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(define (ftp-server/directory project)
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"Return the FTP server and directory where PROJECT's tarball are
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stored."
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(define quirks
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'(("commoncpp2" "ftp.gnu.org" "/gnu/commoncpp")
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("ucommon" "ftp.gnu.org" "/gnu/commoncpp")
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("libzrtpcpp" "ftp.gnu.org" "/gnu/ccrtp")
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("libosip2" "ftp.gnu.org" "/gnu/osip")
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("libgcrypt" "ftp.gnupg.org" "/gcrypt/libgcrypt")
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("libgpg-error" "ftp.gnupg.org" "/gcrypt/libgpg-error")
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("libassuan" "ftp.gnupg.org" "/gcrypt/libassuan")
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("gnupg" "ftp.gnupg.org" "/gcrypt/gnupg")
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("freefont-ttf" "ftp.gnu.org" "/gnu/freefont")
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("gnu-ghostscript" "ftp.gnu.org" "/gnu/ghostscript")
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("mit-scheme" "ftp.gnu.org" "/gnu/mit-scheme/stable.pkg")
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("icecat" "ftp.gnu.org" "/gnu/gnuzilla")
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("source-highlight" "ftp.gnu.org" "/gnu/src-highlite")
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("glib" "ftp.gnome.org" "/pub/gnome/sources/glib")
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("gnutls" "ftp.gnutls.org" "/gcrypt/gnutls")
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("TeXmacs" "ftp.texmacs.org" "/TeXmacs/targz")))
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(match (assoc project quirks)
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((_ server directory)
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(values server directory))
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(_
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(values "ftp.gnu.org" (string-append "/gnu/" project)))))
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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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;; Note: .zip files are notably used for freefont-ttf.
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(make-regexp "^(.+)-([0-9]|[^-])*(-src)?\\.(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 (string-suffix? ".sig" file))
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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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(equal? project (match:substring match 1))))
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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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"Return the list of releases of PROJECT as a list of release name/directory
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pairs. Example: (\"mit-scheme-9.0.1\" . \"/gnu/mit-scheme/stable.pkg/9.0.1\"). "
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;; TODO: Parse something like fencepost.gnu.org:/gd/gnuorg/packages-ftp.
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(let-values (((server directory) (ftp-server/directory project)))
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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-release project
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#:key (ftp-open ftp-open) (ftp-close ftp-close))
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"Return (\"FOO-X.Y\" . \"/bar/foo\") or #f. Use FTP-OPEN and FTP-CLOSE to
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open (resp. close) FTP connections; this can be useful to reuse connections."
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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 contains-digit?
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(cut string-any char-set:digit <>))
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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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(let-values (((server directory) (ftp-server/directory project)))
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(define conn (ftp-open server))
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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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(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 sub-directories that do not contain digits---e.g.,
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;; /gnuzilla/lang and /gnupg/patches.
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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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(((? contains-digit? dir) 'directory . _)
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dir)
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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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(file->source 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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"Like 'latest-release', but ignore FTP errors that might occur when PACKAGE
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is not actually a GNU package, or not hosted on ftp.gnu.org, or not under that
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name (this is the case for \"emacs-auctex\", for instance.)"
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(catch 'ftp-error
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(lambda ()
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(latest-release package))
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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 %package-name-rx
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;; Regexp for a package name, e.g., "foo-X.Y". Since TeXmacs uses
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;; "TeXmacs-X.Y-src", the `-src' suffix is allowed.
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(make-regexp "^(.*)-(([0-9]|\\.)+)(-src)?"))
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(define (gnu-package-name->name+version name+version)
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"Return the package name and version number extracted from NAME+VERSION."
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(let ((match (regexp-exec %package-name-rx name+version)))
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(if (not match)
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(values name+version #f)
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(values (match:substring match 1) (match:substring match 2)))))
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(define (non-emacs-gnu-package? package)
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"Return true if PACKAGE is a non-Emacs GNU package. This excludes AucTeX,
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for instance, whose releases are now uploaded to elpa.gnu.org."
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(and (not (string-prefix? "emacs-" (package-name package)))
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(gnu-package? package)))
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(define %gnu-updater
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(upstream-updater 'gnu
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non-emacs-gnu-package?
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latest-release*))
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;;; gnu-maintenance.scm ends here
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