Mirror of GNU Guix
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;;; 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 memoization)
#: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?
(let ((official-gnu-packages (memoize official-gnu-packages)))
(mlambdaq (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