diff options
| -rw-r--r-- | doc/guix.texi | 3 | ||||
| -rw-r--r-- | guix/gnu-maintenance.scm | 60 |
2 files changed, 62 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 51cafbcf71..db93543aa6 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -11707,6 +11707,9 @@ the updater for @uref{https://www.stackage.org, Stackage} packages. the updater for @uref{https://crates.io, Crates} packages. @item launchpad the updater for @uref{https://launchpad.net, Launchpad} packages. +@item generic-html +a generic updater that crawls the HTML page where the source tarball of +the package is hosted, when applicable. @end table For instance, the following command only checks for updates of Emacs diff --git a/guix/gnu-maintenance.scm b/guix/gnu-maintenance.scm index 5aa16acfde..053ad53a26 100644 --- a/guix/gnu-maintenance.scm +++ b/guix/gnu-maintenance.scm @@ -28,6 +28,7 @@ #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) + #:use-module (srfi srfi-34) #:use-module (rnrs io ports) #:use-module (system foreign) #:use-module (guix http-client) @@ -66,7 +67,8 @@ %gnu-ftp-updater %savannah-updater %xorg-updater - %kernel.org-updater)) + %kernel.org-updater + %generic-html-updater)) ;;; Commentary: ;;; @@ -697,6 +699,55 @@ releases are on gnu.org." #:file->signature file->signature) (cut adjusted-upstream-source <> rewrite)))) +(define html-updatable-package? + ;; Return true if the given package may be handled by the generic HTML + ;; updater. + (let ((hosting-sites '("github.com" "github.io" "gitlab.com" + "notabug.org" "sr.ht" + "gforge.inria.fr" "gitlab.inria.fr" + "ftp.gnu.org" "download.savannah.gnu.org" + "pypi.org" "crates.io" "rubygems.org" + "bioconductor.org"))) + (url-predicate (lambda (url) + (match (string->uri url) + (#f #f) + (uri + (let ((scheme (uri-scheme uri)) + (host (uri-host uri))) + (and (memq scheme '(http https)) + (not (member host hosting-sites)))))))))) + +(define (latest-html-updatable-release package) + "Return the latest release of PACKAGE. Do that by crawling the HTML page of +the directory containing its source tarball." + (let* ((uri (string->uri + (match (origin-uri (package-source package)) + ((? string? url) url) + ((url _ ...) url)))) + (custom (assoc-ref (package-properties package) + 'release-monitoring-url)) + (base (or custom + (string-append (symbol->string (uri-scheme uri)) + "://" (uri-host uri)))) + (directory (if custom + "" + (dirname (uri-path uri)))) + (package (package-upstream-name package))) + (catch #t + (lambda () + (guard (c ((http-get-error? c) #f)) + (latest-html-release package + #:base-url base + #:directory directory))) + (lambda (key . args) + ;; Return false and move on upon connection failures and bogus HTTP + ;; servers. + (unless (memq key '(gnutls-error tls-certificate-error + system-error + bad-header bad-header-component)) + (apply throw key args)) + #f)))) + (define %gnu-updater ;; This is for everything at ftp.gnu.org. (upstream-updater @@ -737,4 +788,11 @@ releases are on gnu.org." (pred (url-prefix-predicate "mirror://kernel.org/")) (latest latest-kernel.org-release))) +(define %generic-html-updater + (upstream-updater + (name 'generic-html) + (description "Updater that crawls HTML pages.") + (pred html-updatable-package?) + (latest latest-html-updatable-release))) + ;;; gnu-maintenance.scm ends here |