guix-devel/guix/gnu-maintenance.scm

596 lines
22 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix gnu-maintenance)
#:use-module (web uri)
#:use-module (web client)
#:use-module (web response)
#:use-module (ice-9 regex)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (system foreign)
#:use-module (guix http-client)
#:use-module (guix ftp-client)
#:use-module (guix utils)
#:use-module (guix combinators)
#:use-module (guix records)
#:use-module (guix upstream)
#:use-module (guix packages)
#:export (gnu-package-name
gnu-package-mundane-name
gnu-package-copyright-holder
gnu-package-savannah
gnu-package-fsd
gnu-package-language
gnu-package-logo
gnu-package-doc-category
gnu-package-doc-summary
gnu-package-doc-description
gnu-package-doc-urls
gnu-package-download-url
official-gnu-packages
find-package
gnu-package?
release-file?
releases
latest-release
gnu-release-archive-types
gnu-package-name->name+version
%gnu-updater
%gnome-updater
%kde-updater
%xorg-updater
%kernel.org-updater))
;;; Commentary:
;;;
;;; Code for dealing with the maintenance of GNU packages, such as
;;; auto-updates.
;;;
;;; Code:
;;;
;;; List of GNU packages.
;;;
(define %gnumaint-base-url
"http://cvs.savannah.gnu.org/viewvc/*checkout*/womb/gnumaint/")
(define %package-list-url
(string->uri
(string-append %gnumaint-base-url "gnupackages.txt")))
(define %package-description-url
;; This file contains package descriptions in recutils format.
;; See <https://lists.gnu.org/archive/html/guix-devel/2013-10/msg00071.html>.
(string->uri
(string-append %gnumaint-base-url "pkgblurbs.txt")))
(define-record-type* <gnu-package-descriptor>
gnu-package-descriptor
make-gnu-package-descriptor
gnu-package-descriptor?
(name gnu-package-name)
(mundane-name gnu-package-mundane-name)
(copyright-holder gnu-package-copyright-holder)
(savannah gnu-package-savannah)
(fsd gnu-package-fsd)
(language gnu-package-language) ; list of strings
(logo gnu-package-logo)
(doc-category gnu-package-doc-category)
(doc-summary gnu-package-doc-summary)
(doc-description gnu-package-doc-description) ; taken from 'pkgdescr.txt'
(doc-urls gnu-package-doc-urls) ; list of strings
(download-url gnu-package-download-url))
(define* (official-gnu-packages
#:optional (fetch http-fetch/cached))
"Return a list of records, which are GNU packages. Use FETCH,
to fetch the list of GNU packages over HTTP."
(define (read-records port)
;; Return a list of alists. Each alist contains fields of a GNU
;; package.
(let loop ((alist (recutils->alist port))
(result '()))
(if (null? alist)
(reverse result)
(loop (recutils->alist port)
(cons alist result)))))
(define official-description
(let ((db (read-records (fetch %package-description-url #:text? #t))))
(lambda (name)
;; Return the description found upstream for package NAME, or #f.
(and=> (find (lambda (alist)
(equal? name (assoc-ref alist "package")))
db)
(lambda (record)
(let ((field (assoc-ref record "blurb")))
;; The upstream description file uses "redirect PACKAGE" as
;; a blurb in cases where the description of the two
;; packages should be considered the same (e.g., GTK+ has
;; "redirect gnome".) This is usually not acceptable for
;; us because we prefer to have distinct descriptions in
;; such cases. Thus, ignore the 'blurb' field when that
;; happens.
(and field
(not (string-prefix? "redirect " field))
field)))))))
(map (lambda (alist)
(let ((name (assoc-ref alist "package")))
(alist->record `(("description" . ,(official-description name))
,@alist)
make-gnu-package-descriptor
(list "package" "mundane-name" "copyright-holder"
"savannah" "fsd" "language" "logo"
"doc-category" "doc-summary" "description"
"doc-url"
"download-url")
'("doc-url" "language"))))
(let* ((port (fetch %package-list-url #:text? #t))
(lst (read-records port)))
(close-port port)
lst)))
(define (find-package name)
"Find GNU package called NAME and return it. Return #f if it was not
found."
(find (lambda (package)
(string=? name (gnu-package-name package)))
(official-gnu-packages)))
(define gnu-package?
(memoize
(let ((official-gnu-packages (memoize official-gnu-packages)))
(lambda (package)
"Return true if PACKAGE is a GNU package. This procedure may access the
network to check in GNU's database."
(define (mirror-type url)
(let ((uri (string->uri url)))
(and (eq? (uri-scheme uri) 'mirror)
(cond
((member (uri-host uri)
'("gnu" "gnupg" "gcc" "gnome"))
;; Definitely GNU.
'gnu)
((equal? (uri-host uri) "cran")
;; Possibly GNU: mirror://cran could be either GNU R itself
;; or a non-GNU package.
#f)
(else
;; Definitely non-GNU.
'non-gnu)))))
(define (gnu-home-page? package)
(letrec-syntax ((>> (syntax-rules ()
((_ value proc)
(and=> value proc))
((_ value proc rest ...)
(and=> value
(lambda (next)
(>> (proc next) rest ...)))))))
(>> package package-home-page
string->uri uri-host
(lambda (host)
(member host '("www.gnu.org" "gnu.org"))))))
(or (gnu-home-page? package)
(let ((url (and=> (package-source package) origin-uri))
(name (package-upstream-name package)))
(case (and (string? url) (mirror-type url))
((gnu) #t)
((non-gnu) #f)
(else
(and (member name (map gnu-package-name (official-gnu-packages)))
#t)))))))))
;;;
;;; Latest release.
;;;
(define (ftp-server/directory package)
"Return the FTP server and directory where PACKAGE's tarball are stored."
(let ((name (package-upstream-name package)))
(values (or (assoc-ref (package-properties package) 'ftp-server)
"ftp.gnu.org")
(or (assoc-ref (package-properties package) 'ftp-directory)
(string-append "/gnu/" name)))))
(define (sans-extension tarball)
"Return TARBALL without its .tar.* or .zip extension."
(let ((end (or (string-contains tarball ".tar")
(string-contains tarball ".zip"))))
(substring tarball 0 end)))
(define %tarball-rx
;; The .zip extensions is notably used for freefont-ttf.
;; The "-src" pattern is for "TeXmacs-1.0.7.9-src.tar.gz".
;; The "-gnu[0-9]" pattern is for "icecat-38.4.0-gnu1.tar.bz2".
(make-regexp "^([^.]+)-([0-9]|[^-])+(-(src|gnu[0-9]))?\\.(tar\\.|zip$)"))
(define %alpha-tarball-rx
(make-regexp "^.*-.*[0-9](-|~)?(alpha|beta|rc|cvs|svn|git)-?[0-9\\.]*\\.tar\\."))
(define (release-file? project file)
"Return #f if FILE is not a release tarball of PROJECT, otherwise return
true."
(and (not (string-suffix? ".sig" file))
(and=> (regexp-exec %tarball-rx file)
(lambda (match)
;; Filter out unrelated files, like `guile-www-1.1.1'.
;; Case-insensitive for things like "TeXmacs" vs. "texmacs".
;; The "-src" suffix is for "freefont-src-20120503.tar.gz".
(and=> (match:substring match 1)
(lambda (name)
(or (string-ci=? name project)
(string-ci=? name
(string-append project
"-src")))))))
(not (regexp-exec %alpha-tarball-rx file))
(let ((s (sans-extension file)))
(regexp-exec %package-name-rx s))))
(define (tarball->version tarball)
"Return the version TARBALL corresponds to. TARBALL is a file name like
\"coreutils-8.23.tar.xz\"."
(let-values (((name version)
(gnu-package-name->name+version (sans-extension tarball))))
version))
(define* (releases project
#:key
(server "ftp.gnu.org")
(directory (string-append "/gnu/" project)))
"Return the list of <upstream-release> of PROJECT as a list of release
name/directory pairs."
;; TODO: Parse something like fencepost.gnu.org:/gd/gnuorg/packages-ftp.
(define conn (ftp-open server))
(let loop ((directories (list directory))
(result '()))
(match directories
(()
(ftp-close conn)
(coalesce-sources result))
((directory rest ...)
(let* ((files (ftp-list conn directory))
(subdirs (filter-map (match-lambda
((name 'directory . _) name)
(_ #f))
files)))
(define (file->url file)
(string-append "ftp://" server directory "/" file))
(define (file->source file)
(let ((url (file->url file)))
(upstream-source
(package project)
(version (tarball->version file))
(urls (list url))
(signature-urls (list (string-append url ".sig"))))))
(loop (append (map (cut string-append directory "/" <>)
subdirs)
rest)
(append
;; Filter out signatures, deltas, and files which
;; are potentially not releases of PROJECT--e.g.,
;; in /gnu/guile, filter out guile-oops and
;; guile-www; in mit-scheme, filter out binaries.
(filter-map (match-lambda
((file 'file . _)
(and (release-file? project file)
(file->source file)))
(_ #f))
files)
result)))))))
(define* (latest-ftp-release project
#:key
(server "ftp.gnu.org")
(directory (string-append "/gnu/" project))
(keep-file? (const #t))
(file->signature (cut string-append <> ".sig"))
(ftp-open ftp-open) (ftp-close ftp-close))
"Return an <upstream-source> for the latest release of PROJECT on SERVER
under DIRECTORY, or #f. Use FTP-OPEN and FTP-CLOSE to open (resp. close) FTP
connections; this can be useful to reuse connections.
KEEP-FILE? is a predicate to decide whether to enter a directory and to
consider a given file (source tarball) as a valid candidate based on its name.
FILE->SIGNATURE must be a procedure; it is passed a source file URL and must
return the corresponding signature URL, or #f it signatures are unavailable."
(define (latest a b)
(if (version>? a b) a b))
(define (latest-release a b)
(if (version>? (upstream-source-version a) (upstream-source-version b))
a b))
(define contains-digit?
(cut string-any char-set:digit <>))
(define patch-directory-name?
;; Return #t for patch directory names such as 'bash-4.2-patches'.
(cut string-suffix? "patches" <>))
(define conn (ftp-open server))
(define (file->url directory file)
(string-append "ftp://" server directory "/" file))
(define (file->source directory file)
(let ((url (file->url directory file)))
(upstream-source
(package project)
(version (tarball->version file))
(urls (list url))
(signature-urls (match (file->signature url)
(#f #f)
(sig (list sig)))))))
(let loop ((directory directory)
(result #f))
(let* ((entries (ftp-list conn directory))
;; Filter out sub-directories that do not contain digits---e.g.,
;; /gnuzilla/lang and /gnupg/patches. Filter out "w32"
;; directories as found on ftp.gnutls.org.
(subdirs (filter-map (match-lambda
(((? patch-directory-name? dir)
'directory . _)
#f)
(("w32" 'directory . _)
#f)
(((? contains-digit? dir) 'directory . _)
(and (keep-file? dir) dir))
(_ #f))
entries))
;; Whether or not SUBDIRS is empty, compute the latest releases
;; for the current directory. This is necessary for packages
;; such as 'sharutils' that have a sub-directory that contains
;; only an older release.
(releases (filter-map (match-lambda
((file 'file . _)
(and (release-file? project file)
(keep-file? file)
(file->source directory file)))
(_ #f))
entries)))
;; Assume that SUBDIRS correspond to versions, and jump into the
;; one with the highest version number.
(let* ((release (reduce latest-release #f
(coalesce-sources 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* (latest-release package
#:key
(server "ftp.gnu.org")
(directory (string-append "/gnu/" package)))
"Return the <upstream-source> for the latest version of PACKAGE or #f.
PACKAGE must be the canonical name of a GNU package."
(latest-ftp-release package
#:server server
#:directory directory))
(define-syntax-rule (false-if-ftp-error exp)
"Return #f if an FTP error is raise while evaluating EXP; return the result
of EXP otherwise."
(catch 'ftp-error
(lambda ()
exp)
(lambda (key port . rest)
(if (ftp-connection? port)
(ftp-close port)
(close-port port))
#f)))
(define (latest-release* package)
"Like 'latest-release', but (1) take a <package> object, and (2) ignore FTP
errors that might occur when PACKAGE is not actually a GNU package, or not
hosted on ftp.gnu.org, or not under that name (this is the case for
\"emacs-auctex\", for instance.)"
(let-values (((server directory)
(ftp-server/directory package)))
(false-if-ftp-error (latest-release (package-upstream-name package)
#:server server
#:directory directory))))
(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 (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 (url-prefix-predicate prefix)
"Return a predicate that returns true when passed a package where one of its
source URLs starts with PREFIX."
(lambda (package)
(define matching-uri?
(match-lambda
((? string? uri)
(string-prefix? prefix uri))
(_
#f)))
(match (package-source package)
((? origin? origin)
(match (origin-uri origin)
((? matching-uri?) #t)
(_ #f)))
(_ #f))))
(define gnu-hosted?
(url-prefix-predicate "mirror://gnu/"))
(define gnome-package?
(url-prefix-predicate "mirror://gnome/"))
(define (latest-gnome-release package)
"Return the latest release of PACKAGE, the name of a GNOME package."
(define %not-dot
(char-set-complement (char-set #\.)))
(define (even-minor-version? version)
(match (string-tokenize version %not-dot)
(((= string->number major) (= string->number minor) . rest)
(and minor (even? minor)))
(_
#t))) ;cross fingers
(define (even-numbered? file)
;; Return true if FILE somehow denotes an even-numbered file name. The
;; trick here is that we want this to match both directories such as
;; "3.18.6" and actual file names such as "gtk+-3.18.6.tar.bz2".
(let-values (((name version) (package-name->name+version file)))
(even-minor-version? (or version name))))
(define upstream-name
;; Some packages like "NetworkManager" have camel-case names.
(package-upstream-name package))
(false-if-ftp-error
(latest-ftp-release upstream-name
#:server "ftp.gnome.org"
#:directory (string-append "/pub/gnome/sources/"
upstream-name)
;; <https://www.gnome.org/gnome-3/source/> explains
;; that odd minor version numbers represent development
;; releases, which we are usually not interested in.
#:keep-file? even-numbered?
;; ftp.gnome.org provides no signatures, only
;; checksums.
#:file->signature (const #f))))
(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))))
#:file->signature (const #f)))))
(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."
(let ((uri (string->uri (origin-uri (package-source package)))))
(false-if-ftp-error
(latest-ftp-release
(package-name package)
#:server "ftp.free.fr" ;a mirror reachable over FTP
#:directory (string-append "/mirrors/ftp.kernel.org"
(dirname (uri-path uri)))
;; kernel.org provides "foo-x.y.tar.sign" files, which are signatures of
;; the uncompressed tarball.
#:file->signature (lambda (tarball)
(string-append (file-sans-extension tarball)
".sign"))))))
(define %gnu-updater
(upstream-updater
(name 'gnu)
(description "Updater for GNU packages")
(pred pure-gnu-package?)
(latest latest-release*)))
(define %gnome-updater
(upstream-updater
(name 'gnome)
(description "Updater for GNOME packages")
(pred gnome-package?)
(latest latest-gnome-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