diff options
Diffstat (limited to 'guix/gnu-maintenance.scm')
| -rw-r--r-- | guix/gnu-maintenance.scm | 102 |
1 files changed, 99 insertions, 3 deletions
diff --git a/guix/gnu-maintenance.scm b/guix/gnu-maintenance.scm index 9eff98217e..228a84bd4b 100644 --- a/guix/gnu-maintenance.scm +++ b/guix/gnu-maintenance.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2012, 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com> ;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be> +;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -26,6 +27,7 @@ #:use-module (ice-9 regex) #:use-module (ice-9 match) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-2) #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) #:use-module (rnrs io ports) @@ -61,6 +63,7 @@ gnu-package? uri-mirror-rewrite + rewrite-url release-file? releases @@ -518,9 +521,93 @@ URL is a directory instead of a file, it should be suffixed with a slash (/)." ;; within a directory. (string-append (dirname base-url) "/" url)))) +(define (strip-trailing-slash s) + "Strip any trailing slash from S, a string." + (if (string-suffix? "/" s) + (string-drop-right s 1) + s)) + +;;; TODO: Extend to support the RPM and GNOME version schemes? +(define %version-rx "[0-9.]+") + +(define* (rewrite-url url version #:key to-version) + "Rewrite URL so that the URL path components matching the current VERSION or +VERSION-MAJOR.VERSION-MINOR are updated with that of the latest version found +by crawling the corresponding URL directories. Alternatively, when TO-VERSION +is specified, rewrite version matches directly to it without crawling URL. + +For example, the URL +\"https://dist.libuv.org/dist/v1.45.0/libuv-v1.45.0.tar.gz\" could be +rewritten to something like +\"https://dist.libuv.org/dist/v1.46.0/libuv-v1.46.0.tar.gz\"." + ;; XXX: major-minor may be #f if version is not a triplet but a single + ;; number such as "2". + (let* ((major-minor (false-if-exception (version-major+minor version))) + (to-major-minor (false-if-exception + (and=> to-version version-major+minor))) + (uri (string->uri url)) + (url-prefix (string-drop-right url (string-length (uri-path uri)))) + (url-prefix-components (string-split url-prefix #\/)) + (path (uri-path uri)) + ;; Strip a forward slash on the path to avoid a double slash when + ;; string-joining later. + (path (if (string-prefix? "/" path) + (string-drop path 1) + path)) + (path-components (string-split path #\/))) + (string-join + (reverse + (fold + (lambda (s parents) + (if to-version + ;; Direct rewrite case; the archive is assumed to exist. + (let ((u (string-replace-substring s version to-version))) + (cons (if (and major-minor to-major-minor) + (string-replace-substring u major-minor to-major-minor) + u) + parents)) + ;; More involved HTML crawl case. + (let* ((pattern (if major-minor + (format #f "(~a|~a)" version major-minor) + (format #f "(~a)" version))) + (m (string-match pattern s))) + (if m + ;; Crawl parent and rewrite current component. + (let* ((parent-url (string-join (reverse parents) "/")) + (links (url->links parent-url)) + ;; The pattern matching the version. + (pattern (string-append "^" (match:prefix m) + "(" %version-rx ")" + (match:suffix m) "$")) + (candidates (filter-map + (lambda (l) + ;; Links may be followed by a + ;; trailing '/' in the case of + ;; directories. + (and-let* + ((l (strip-trailing-slash l)) + (m (string-match pattern l)) + (v (match:substring m 1))) + (cons v l))) + links))) + ;; Retrieve the item having the largest version. + (if (null? candidates) + (error "no candidates found in rewrite-url") + (cons (cdr (first (sort candidates + (lambda (x y) + (version>? (car x) + (car y)))))) + parents))) + ;; No version found in path component; continue. + (cons s parents))))) + (reverse url-prefix-components) + path-components)) + "/"))) + (define* (import-html-release base-url package #:key - (version #f) + rewrite-url? + version (directory (string-append "/" (package-upstream-name package))) file->signature) @@ -534,11 +621,19 @@ found on 'https://kernel.org/pub'. When FILE->SIGNATURE is omitted or #f, guess the detached signature file name, if any. Otherwise, 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* ((name (package-upstream-name package)) +are unavailable. + +When REWRITE-URL? is #t, versioned components in BASE-URL and/or DIRECTORY are +also updated to the latest version, as explained in the doc of the +\"rewrite-url\" procedure used." + (let* ((current-version (package-version package)) + (name (package-upstream-name package)) (url (if (string-null? directory) base-url (string-append base-url directory "/"))) + (url (if rewrite-url? + (rewrite-url url current-version #:to-version version) + url)) (links (map (cut canonicalize-url <> url) (url->links url)))) (define (file->signature/guess url) @@ -877,6 +972,7 @@ string to fetch a specific version." (dirname (uri-path uri))))) (false-if-networking-error (import-html-release base package + #:rewrite-url? #t #:version version #:directory directory)))) |