184 lines
6.8 KiB
Scheme
184 lines
6.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012 Nikita Karetnikov <nikita@karetnikov.org>
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;;; Copyright © 2010, 2011, 2012, 2013 Ludovic Courtès <ludo@gnu.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 ftp-client)
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#:use-module (guix utils)
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#:export (official-gnu-packages
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releases
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latest-release
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gnu-package-name->name+version))
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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 (http-fetch uri)
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"Return a string containing the textual data at URI, a string."
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(let*-values (((resp data)
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(http-get (string->uri uri)))
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((code)
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(response-code resp)))
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(case code
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((200)
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data)
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(else
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(error "download failed:" uri code
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(response-reason-phrase resp))))))
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(define %package-list-url
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(string-append "http://cvs.savannah.gnu.org/"
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"viewvc/*checkout*/gnumaint/"
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"gnupackages.txt?root=womb"))
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(define (official-gnu-packages)
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"Return a list of GNU packages."
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(define %package-line-rx
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(make-regexp "^package: (.+)$"))
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(let ((lst (string-split (http-fetch %package-list-url) #\nl)))
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(filter-map (lambda (line)
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(and=> (regexp-exec %package-line-rx line)
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(cut match:substring <> 1)))
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lst)))
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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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("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 (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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(define release-rx
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(make-regexp (string-append "^" project
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"-([0-9]|[^-])*(-src)?\\.tar\\.")))
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(define alpha-rx
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(make-regexp "^.*-.*[0-9](-|~)?(alpha|beta|rc|cvs|svn|git)-?[0-9\\.]*\\.tar\\."))
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(define (sans-extension tarball)
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(let ((end (string-contains tarball ".tar")))
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(substring tarball 0 end)))
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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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(if (null? directories)
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(begin
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(ftp-close conn)
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result)
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(let* ((directory (car directories))
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(files (ftp-list conn directory))
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(subdirs (filter-map (lambda (file)
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(match file
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((name 'directory . _) name)
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(_ #f)))
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files)))
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(loop (append (map (cut string-append directory "/" <>)
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subdirs)
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(cdr directories))
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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 (lambda (file)
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(match file
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((file 'file . _)
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(and (not (string-suffix? ".sig" file))
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(regexp-exec release-rx file)
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(not (regexp-exec alpha-rx file))
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(let ((s (sans-extension file)))
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(and (regexp-exec
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%package-name-rx s)
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(cons s directory)))))
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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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"Return (\"FOO-X.Y\" . \"/bar/foo\") or #f."
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(let ((releases (releases project)))
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(and (not (null? releases))
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(fold (lambda (release latest)
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(if (version>? (car release) (car latest))
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release
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latest))
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'("" . "")
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releases))))
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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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;;; gnu-maintenance.scm ends here
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