541 lines
21 KiB
Scheme
541 lines
21 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 ui)
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#:use-module (guix utils)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module ((guix download) #:select (download-to-store))
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#:use-module (guix gnupg)
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#:use-module (rnrs io ports)
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#:use-module (guix base32)
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#:use-module ((guix build utils)
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#:select (substitute))
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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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gnu-release?
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gnu-release-package
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gnu-release-version
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gnu-release-directory
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gnu-release-files
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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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download-tarball
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package-update-path
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package-update
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update-package-source))
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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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"Return a list of records, which are GNU packages."
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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 (http-fetch %package-description-url
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#: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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(read-records (http-fetch %package-list-url #:text? #t))))
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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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(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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;; Last resort: resort to the network.
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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-record-type* <gnu-release> gnu-release make-gnu-release
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gnu-release?
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(package gnu-release-package)
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(version gnu-release-version)
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(directory gnu-release-directory)
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(files gnu-release-files))
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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 (coalesce-releases releases)
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"Coalesce the elements of RELEASES that correspond to the same version."
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(define (same-version? r1 r2)
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(string=? (gnu-release-version r1) (gnu-release-version r2)))
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(define (release>? r1 r2)
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(version>? (gnu-release-version r1) (gnu-release-version r2)))
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(fold (lambda (release result)
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(match result
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((head . tail)
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(if (same-version? release head)
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(cons (gnu-release
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(inherit release)
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(files (append (gnu-release-files release)
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(gnu-release-files head))))
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tail)
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(cons release result)))
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(()
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(list release))))
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'()
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(sort releases release>?)))
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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-releases 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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(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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(if (release-file? project file)
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(gnu-release
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(package project)
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(version (tarball->version file))
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(directory directory)
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(files (list file)))
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#f))
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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>? (gnu-release-version a) (gnu-release-version b))
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a b))
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||
|
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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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(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))
|
||
|
||
;; 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.
|
||
(releases (filter-map (match-lambda
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((file 'file . _)
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(and (release-file? project file)
|
||
(gnu-release
|
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(package project)
|
||
(version
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(tarball->version file))
|
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(directory directory)
|
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(files (list 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.
|
||
(let* ((release (reduce latest-release #f
|
||
(coalesce-releases releases)))
|
||
(result (if (and result release)
|
||
(latest-release release result)
|
||
(or release result)))
|
||
(target (reduce latest #f subdirs)))
|
||
(if target
|
||
(loop (string-append directory "/" target)
|
||
result)
|
||
(begin
|
||
(ftp-close conn)
|
||
result)))))))
|
||
|
||
(define (gnu-release-archive-types release)
|
||
"Return the available types of archives for RELEASE---a list of strings such
|
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as \"gz\" or \"xz\"."
|
||
(map file-extension (gnu-release-files release)))
|
||
|
||
(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)))))
|
||
|
||
|
||
;;;
|
||
;;; Auto-update.
|
||
;;;
|
||
|
||
(define (package-update-path package)
|
||
"Return an update path for PACKAGE, or #f if no update is needed."
|
||
(and (gnu-package? package)
|
||
(match (latest-release (package-name package))
|
||
(($ <gnu-release> name version directory)
|
||
(and (version>? version (package-version package))
|
||
`(,version . ,directory)))
|
||
(_ #f))))
|
||
|
||
(define* (download-tarball store project directory version
|
||
#:key (archive-type "gz")
|
||
(key-download 'interactive))
|
||
"Download PROJECT's tarball over FTP and check its OpenPGP signature. On
|
||
success, return the tarball file name. KEY-DOWNLOAD specifies a download
|
||
policy for missing OpenPGP keys; allowed values: 'interactive' (default),
|
||
'always', and 'never'."
|
||
(let* ((server (ftp-server/directory project))
|
||
(base (string-append project "-" version ".tar." archive-type))
|
||
(url (string-append "ftp://" server "/" directory "/" base))
|
||
(sig-url (string-append url ".sig"))
|
||
(tarball (download-to-store store url))
|
||
(sig (download-to-store store sig-url)))
|
||
(let ((ret (gnupg-verify* sig tarball #:key-download key-download)))
|
||
(if ret
|
||
tarball
|
||
(begin
|
||
(warning (_ "signature verification failed for `~a'~%")
|
||
base)
|
||
(warning (_ "(could be because the public key is not in your keyring)~%"))
|
||
#f)))))
|
||
|
||
(define* (package-update store package #:key (key-download 'interactive))
|
||
"Return the new version and the file name of the new version tarball for
|
||
PACKAGE, or #f and #f when PACKAGE is up-to-date. KEY-DOWNLOAD specifies a
|
||
download policy for missing OpenPGP keys; allowed values: 'always', 'never',
|
||
and 'interactive' (default)."
|
||
(match (package-update-path package)
|
||
((version . directory)
|
||
(let-values (((name)
|
||
(package-name package))
|
||
((archive-type)
|
||
(let ((source (package-source package)))
|
||
(or (and (origin? source)
|
||
(file-extension (origin-uri source)))
|
||
"gz"))))
|
||
(let ((tarball (download-tarball store name directory version
|
||
#:archive-type archive-type
|
||
#:key-download key-download)))
|
||
(values version tarball))))
|
||
(_
|
||
(values #f #f))))
|
||
|
||
(define (update-package-source package version hash)
|
||
"Modify the source file that defines PACKAGE to refer to VERSION,
|
||
whose tarball has SHA256 HASH (a bytevector). Return the new version string
|
||
if an update was made, and #f otherwise."
|
||
(define (new-line line matches replacement)
|
||
;; Iterate over MATCHES and return the modified line based on LINE.
|
||
;; Replace each match with REPLACEMENT.
|
||
(let loop ((m* matches) ; matches
|
||
(o 0) ; offset in L
|
||
(r '())) ; result
|
||
(match m*
|
||
(()
|
||
(let ((r (cons (substring line o) r)))
|
||
(string-concatenate-reverse r)))
|
||
((m . rest)
|
||
(loop rest
|
||
(match:end m)
|
||
(cons* replacement
|
||
(substring line o (match:start m))
|
||
r))))))
|
||
|
||
(define (update-source file old-version version
|
||
old-hash hash)
|
||
;; Update source file FILE, replacing occurrences OLD-VERSION by VERSION
|
||
;; and occurrences of OLD-HASH by HASH (base32 representation thereof).
|
||
|
||
;; TODO: Currently this is a bit of a sledgehammer: if VERSION occurs in
|
||
;; different unrelated places, we may modify it more than needed, for
|
||
;; instance. We should try to make changes only within the sexp that
|
||
;; corresponds to the definition of PACKAGE.
|
||
(let ((old-hash (bytevector->nix-base32-string old-hash))
|
||
(hash (bytevector->nix-base32-string hash)))
|
||
(substitute file
|
||
`((,(regexp-quote old-version)
|
||
. ,(cut new-line <> <> version))
|
||
(,(regexp-quote old-hash)
|
||
. ,(cut new-line <> <> hash))))
|
||
version))
|
||
|
||
(let ((name (package-name package))
|
||
(loc (package-field-location package 'version)))
|
||
(if loc
|
||
(let ((old-version (package-version package))
|
||
(old-hash (origin-sha256 (package-source package)))
|
||
(file (and=> (location-file loc)
|
||
(cut search-path %load-path <>))))
|
||
(if file
|
||
(update-source file
|
||
old-version version
|
||
old-hash hash)
|
||
(begin
|
||
(warning (_ "~a: could not locate source file")
|
||
(location-file loc))
|
||
#f)))
|
||
(begin
|
||
(format (current-error-port)
|
||
(_ "~a: ~a: no `version' field in source; skipping~%")
|
||
(location->string (package-location package))
|
||
name)))))
|
||
|
||
;;; gnu-maintenance.scm ends here
|