ryan77627/guix
1
0
Fork 0
mirror of https://git.in.rschanz.org/ryan77627/guix.git synced 2024-12-25 22:08:16 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions
guix/guix/gnu-maintenance.scm
Ludovic Courtès f54cbc0e1b
import: Do not assume that 'package-source' returns an origin. 
* guix/gnu-maintenance.scm (gnu-package?): Check whether
'package-source' returns an origin.
* guix/import/github.scm (updated-github-url): Likewise.
* guix/import/launchpad.scm (updated-launchpad-url): Likewise.
2020-07-03 23:53:31 +02:00

679 lines
26 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, 2018, 2019, 2020 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 (sxml simple)
#: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 (rnrs io ports)
#: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)
#:use-module (guix zlib)
#: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
%gnu-ftp-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
"https://web.cvs.savannah.gnu.org/viewvc/*checkout*/www/www/prep/gnumaint/")
(define %package-list-url
(string->uri
(string-append %gnumaint-base-url "rec/gnupackages.rec")))
(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>
;; and <https://lists.gnu.org/archive/html/guix-devel/2018-06/msg00362.html>.
(string->uri
(string-append %gnumaint-base-url "rec/pkgblurbs.rec")))
(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)
;; Ignore things like "%rec" (info "(recutils) Record
;; Descriptors").
(if (assoc-ref alist "package")
(cons alist result)
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)
(match (package-source package)
((? origin? origin)
(let ((url (origin-uri origin))
(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)))))
(_ #f))))))
;;;
;;; Latest FTP 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 %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 (member (file-extension file) '("sig" "sign" "asc")))
(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 (tarball-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
(tarball-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 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 things like /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)
(("unstable" 'directory . _)
;; As seen at ftp.gnupg.org/gcrypt/pinentry.
#f)
((directory 'directory . _)
directory)
(_ #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))))
;;;
;;; Latest HTTP release.
;;;
(define (html->sxml port)
"Read HTML from PORT and return the corresponding SXML tree."
(let ((str (get-string-all port)))
(catch #t
(lambda ()
;; XXX: This is the poor developer's HTML-to-XML converter. It's good
;; enough for directory listings at <https://kernel.org/pub> but if
;; needed we could resort to (htmlprag) from Guile-Lib.
(call-with-input-string (string-replace-substring str "<hr>" "<hr />")
xml->sxml))
(const '(html))))) ;parse error
(define (html-links sxml)
"Return the list of links found in SXML, the SXML tree of an HTML page."
(let loop ((sxml sxml)
(links '()))
(match sxml
(('a ('@ attributes ...) body ...)
(match (assq 'href attributes)
(#f (fold loop links body))
(('href url) (fold loop (cons url links) body))))
((tag ('@ _ ...) body ...)
(fold loop links body))
((tag body ...)
(fold loop links body))
(_
links))))
(define* (latest-html-release package
#:key
(base-url "https://kernel.org/pub")
(directory (string-append "/" package))
(file->signature (cut string-append <> ".sig")))
"Return an <upstream-source> for the latest release of PACKAGE (a string) on
SERVER under DIRECTORY, or #f. BASE-URL should be the URL of an HTML page,
typically a directory listing as found on 'https://kernel.org/pub'.
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."
(let* ((uri (string->uri (string-append base-url directory "/")))
(port (http-fetch/cached uri #:ttl 3600))
(sxml (html->sxml port)))
(define (url->release url)
(and (string=? url (basename url)) ;relative reference?
(release-file? package url)
(let-values (((name version)
(package-name->name+version
(tarball-sans-extension url)
#\-)))
(upstream-source
(package name)
(version version)
(urls (list (string-append base-url directory "/" url)))
(signature-urls
(list (string-append base-url directory "/"
(file-sans-extension url)
".sign")))))))
(define candidates
(filter-map url->release (html-links sxml)))
(close-port port)
(match candidates
(() #f)
((first . _)
;; Select the most recent release and return it.
(reduce (lambda (r1 r2)
(if (version>? (upstream-source-version r1)
(upstream-source-version r2))
r1 r2))
first
(coalesce-sources candidates))))))
;;;
;;; Updaters.
;;;
(define %gnu-file-list-uri
;; URI of the file list for ftp.gnu.org.
(string->uri "https://ftp.gnu.org/find.txt.gz"))
(define ftp.gnu.org-files
(mlambda ()
"Return the list of files available at ftp.gnu.org."
;; XXX: Memoize the whole procedure to work around the fact that
;; 'http-fetch/cached' caches the gzipped version.
(define (trim-leading-components str)
;; Trim the leading ".", if any, in "./gnu/foo".
(string-trim str (char-set #\.)))
(define (string->lines str)
(string-tokenize str (char-set-complement (char-set #\newline))))
;; Since https://ftp.gnu.org honors 'If-Modified-Since', the hard-coded
;; TTL can be relatively short.
(let ((port (http-fetch/cached %gnu-file-list-uri #:ttl (* 15 60))))
(map trim-leading-components
(call-with-gzip-input-port port
(compose string->lines get-string-all))))))
(define (latest-gnu-release package)
"Return the latest release of PACKAGE, a GNU package available via
ftp.gnu.org.
This method does not rely on FTP access at all; instead, it browses the file
list available from %GNU-FILE-LIST-URI over HTTP(S)."
(let-values (((server directory)
(ftp-server/directory package))
((name)
(package-upstream-name package)))
(let* ((files (ftp.gnu.org-files))
(relevant (filter (lambda (file)
(and (string-prefix? "/gnu" file)
(string-contains file directory)
(release-file? name (basename file))))
files)))
(match (sort relevant (lambda (file1 file2)
(version>? (tarball-sans-extension
(basename file1))
(tarball-sans-extension
(basename file2)))))
((and tarballs (reference _ ...))
(let* ((version (tarball->version reference))
(tarballs (filter (lambda (file)
(string=? (tarball-sans-extension
(basename file))
(tarball-sans-extension
(basename reference))))
tarballs)))
(upstream-source
(package name)
(version version)
(urls (map (lambda (file)
(string-append "mirror://gnu/"
(string-drop file
(string-length "/gnu/"))))
tarballs))
(signature-urls (map (cut string-append <> ".sig") urls)))))
(()
#f)))))
(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 gnome-package?
(url-prefix-predicate "mirror://gnome/"))
(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 gnu-hosted?
(url-prefix-predicate "mirror://gnu/"))
(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."
(define %kernel.org-base
;; This URL and sub-directories thereof are nginx-generated directory
;; listings suitable for 'latest-html-release'.
"https://mirrors.edge.kernel.org/pub")
(define (file->signature file)
(string-append (file-sans-extension file) ".sign"))
(let* ((uri (string->uri (origin-uri (package-source package))))
(package (package-upstream-name package))
(directory (dirname (uri-path uri))))
(latest-html-release package
#:base-url %kernel.org-base
#:directory directory
#:file->signature file->signature)))
(define %gnu-updater
;; This is for everything at ftp.gnu.org.
(upstream-updater
(name 'gnu)
(description "Updater for GNU packages")
(pred gnu-hosted?)
(latest latest-gnu-release)))
(define %gnu-ftp-updater
;; This is for GNU packages taken from alternate locations, such as
;; alpha.gnu.org, ftp.gnupg.org, etc. It is obsolescent.
(upstream-updater
(name 'gnu-ftp)
(description "Updater for GNU packages only available via FTP")
(pred (lambda (package)
(and (not (gnu-hosted? package))
(pure-gnu-package? package))))
(latest latest-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
Reference in a new issue View git blame Copy permalink