;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012 Nikita Karetnikov ;;; Copyright © 2010, 2011, 2012, 2013 Ludovic Courtès ;;; ;;; 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 . (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 ftp-client) #:export (official-gnu-packages releases latest-release gnu-package-name->name+version)) ;;; Commentary: ;;; ;;; Code for dealing with the maintenance of GNU packages, such as ;;; auto-updates. ;;; ;;; Code: ;;; ;;; List of GNU packages. ;;; (define (http-fetch uri) "Return a string containing the textual data at URI, a string." (let*-values (((resp data) (http-get (string->uri uri))) ((code) (response-code resp))) (case code ((200) data) (else (error "download failed:" uri code (response-reason-phrase resp)))))) (define %package-list-url (string-append "http://cvs.savannah.gnu.org/" "viewvc/*checkout*/gnumaint/" "gnupackages.txt?root=womb")) (define (official-gnu-packages) "Return a list of GNU packages." (define %package-line-rx (make-regexp "^package: (.+)$")) (let ((lst (string-split (http-fetch %package-list-url) #\nl))) (filter-map (lambda (line) (and=> (regexp-exec %package-line-rx line) (cut match:substring <> 1))) lst))) ;;; ;;; Latest release. ;;; (define (ftp-server/directory project) "Return the FTP server and directory where PROJECT's tarball are stored." (define quirks '(("commoncpp2" "ftp.gnu.org" "/gnu/commoncpp") ("ucommon" "ftp.gnu.org" "/gnu/commoncpp") ("libzrtpcpp" "ftp.gnu.org" "/gnu/ccrtp") ("libosip2" "ftp.gnu.org" "/gnu/osip") ("libgcrypt" "ftp.gnupg.org" "/gcrypt/libgcrypt") ("libgpg-error" "ftp.gnupg.org" "/gcrypt/libgpg-error") ("libassuan" "ftp.gnupg.org" "/gcrypt/libassuan") ("gnupg" "ftp.gnupg.org" "/gcrypt/gnupg") ("freefont-ttf" "ftp.gnu.org" "/gnu/freefont") ("gnu-ghostscript" "ftp.gnu.org" "/gnu/ghostscript") ("mit-scheme" "ftp.gnu.org" "/gnu/mit-scheme/stable.pkg") ("icecat" "ftp.gnu.org" "/gnu/gnuzilla") ("source-highlight" "ftp.gnu.org" "/gnu/src-highlite") ("TeXmacs" "ftp.texmacs.org" "/TeXmacs/targz"))) (match (assoc project quirks) ((_ server directory) (values server directory)) (_ (values "ftp.gnu.org" (string-append "/gnu/" project))))) (define (releases project) "Return the list of releases of PROJECT as a list of release name/directory pairs. Example: (\"mit-scheme-9.0.1\" . \"/gnu/mit-scheme/stable.pkg/9.0.1\"). " ;; TODO: Parse something like fencepost.gnu.org:/gd/gnuorg/packages-ftp. (define release-rx (make-regexp (string-append "^" project "-([0-9]|[^-])*(-src)?\\.tar\\."))) (define alpha-rx (make-regexp "^.*-.*[0-9](-|~)?(alpha|beta|rc|cvs|svn|git)-?[0-9\\.]*\\.tar\\.")) (define (sans-extension tarball) (let ((end (string-contains tarball ".tar"))) (substring tarball 0 end))) (let-values (((server directory) (ftp-server/directory project))) (define conn (ftp-open server)) (let loop ((directories (list directory)) (result '())) (if (null? directories) (begin (ftp-close conn) result) (let* ((directory (car directories)) (files (ftp-list conn directory)) (subdirs (filter-map (lambda (file) (match file ((name 'directory . _) name) (_ #f))) files))) (loop (append (map (cut string-append directory "/" <>) subdirs) (cdr directories)) (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 (lambda (file) (match file ((file 'file . _) (and (not (string-suffix? ".sig" file)) (regexp-exec release-rx file) (not (regexp-exec alpha-rx file)) (let ((s (sans-extension file))) (and (regexp-exec %package-name-rx s) (cons s directory))))) (_ #f))) files) result))))))) (define version-string>? (let ((strverscmp (let ((sym (or (dynamic-func "strverscmp" (dynamic-link)) (error "could not find `strverscmp' (from GNU libc)")))) (pointer->procedure int sym (list '* '*))))) (lambda (a b) "Return #t when B denotes a newer version than A." (> (strverscmp (string->pointer a) (string->pointer b)) 0)))) (define (latest-release project) "Return (\"FOO-X.Y\" . \"/bar/foo\") or #f." (let ((releases (releases project))) (and (not (null? releases)) (fold (lambda (release latest) (if (version-string>? (car release) (car latest)) release latest)) '("" . "") releases)))) (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))))) ;;; gnu-maintenance.scm ends here