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authorLudovic Courtès <ludo@gnu.org>2017-09-25 23:58:02 +0200
committerLudovic Courtès <ludo@gnu.org>2017-09-26 00:35:06 +0200
commitc1d8b3b3b5af8282328b87dd7a8d09357cbb0af7 (patch)
tree08f03083be66a068e18c45e0936fa709228d606e
parent97abc90733270c4be5ce1f51e5e757d43787950b (diff)
downloadgnu-guix-c1d8b3b3b5af8282328b87dd7a8d09357cbb0af7.tar
gnu-guix-c1d8b3b3b5af8282328b87dd7a8d09357cbb0af7.tar.gz
upstream: Add new GNOME updater.
Partly fixes <https://bugs.gnu.org/28159>. Reported by Hartmut Goebel <h.goebel@crazy-compilers.com>. * guix/import/gnome.scm: New file. * Makefile.am (MODULES): Add it. * guix/gnu-maintenance.scm (latest-gnome-release) (%gnome-updater): Remove.
-rw-r--r--Makefile.am1
-rw-r--r--guix/gnu-maintenance.scm54
-rw-r--r--guix/import/gnome.scm112
3 files changed, 116 insertions, 51 deletions
diff --git a/Makefile.am b/Makefile.am
index e35bdac306..2671065f68 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -151,6 +151,7 @@ MODULES = \
guix/import/hackage.scm \
guix/import/elpa.scm \
guix/import/texlive.scm \
+ guix/import/gnome.scm \
guix/scripts.scm \
guix/scripts/download.scm \
guix/scripts/perform-download.scm \
diff --git a/guix/gnu-maintenance.scm b/guix/gnu-maintenance.scm
index cd7ffeaefd..0de36f2f71 100644
--- a/guix/gnu-maintenance.scm
+++ b/guix/gnu-maintenance.scm
@@ -61,7 +61,6 @@
%gnu-updater
%gnu-ftp-updater
- %gnome-updater
%kde-updater
%xorg-updater
%kernel.org-updater))
@@ -512,6 +511,9 @@ list available from %GNU-FILE-LIST-URI over HTTP(S)."
(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
@@ -525,49 +527,6 @@ releases are on gnu.org."
(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)))))
@@ -624,13 +583,6 @@ releases are on gnu.org."
(pure-gnu-package? 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)
diff --git a/guix/import/gnome.scm b/guix/import/gnome.scm
new file mode 100644
index 0000000000..1ade63e1af
--- /dev/null
+++ b/guix/import/gnome.scm
@@ -0,0 +1,112 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.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 import gnome)
+ #:use-module (guix upstream)
+ #:use-module (guix utils)
+ #:use-module (guix packages)
+ #:use-module (guix http-client)
+ #:use-module (json)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-34)
+ #:use-module (web uri)
+ #:use-module (ice-9 match)
+ #:export (%gnome-updater))
+
+;;; Commentary:
+;;;
+;;; This package provides not an actual importer but simply an updater for
+;;; GNOME packages. It grabs package meta-data from 'cache.json' files
+;;; available on ftp.gnome.org.
+;;;
+;;; Code:
+
+(define (jsonish->upstream-source name jsonish)
+ "Return an <upstream-source> object for package NAME, using JSONISH as the
+source for metadata."
+ (match jsonish
+ ((version . dictionary)
+ (upstream-source
+ (package name)
+ (version version)
+ (urls (filter-map (lambda (extension)
+ (match (hash-ref dictionary extension)
+ (#f
+ #f)
+ ((? string? relative-url)
+ (string-append "mirror://gnome/sources/"
+ name "/" relative-url))))
+ '("tar.lz" "tar.xz" "tar.bz2" "tar.gz")))))))
+
+(define (latest-gnome-release package)
+ "Return the latest release of PACKAGE, a GNOME package, or #f if it could
+not be determined."
+ (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 upstream-name
+ ;; Some packages like "NetworkManager" have camel-case names.
+ (package-upstream-name package))
+
+ (guard (c ((http-get-error? c)
+ (if (= 404 (http-get-error-code c))
+ #f
+ (raise c))))
+ (let* ((port (http-fetch/cached
+ (string->uri (string-append
+ "https://ftp.gnome.org/pub/gnome/sources/"
+ upstream-name "/cache.json"))
+
+ ;; ftp.gnome.org supports 'if-Modified-Since', so the local
+ ;; cache can expire early.
+ #:ttl (* 60 10)))
+ (json (json->scm port)))
+ (close-port port)
+ (match json
+ ((4 (? hash-table? releases) _ ...)
+ (let* ((releases (hash-ref releases upstream-name))
+ (latest (hash-fold (lambda (key value result)
+ (cond ((even-minor-version? key)
+ (match result
+ (#f
+ (cons key value))
+ ((newest . _)
+ (if (version>? key newest)
+ (cons key value)
+ result))))
+ (else
+ result)))
+ #f
+ releases)))
+ (and latest
+ (jsonish->upstream-source upstream-name latest))))))))
+
+(define %gnome-updater
+ (upstream-updater
+ (name 'gnome)
+ (description "Updater for GNOME packages")
+ (pred (url-prefix-predicate "mirror://gnome/"))
+ (latest latest-gnome-release)))