diff options
| -rw-r--r-- | guix/gnu-maintenance.scm | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/guix/gnu-maintenance.scm b/guix/gnu-maintenance.scm index a8b24fa336..3bffa4d11e 100644 --- a/guix/gnu-maintenance.scm +++ b/guix/gnu-maintenance.scm @@ -470,16 +470,29 @@ hosted on ftp.gnu.org, or not under that name (this is the case for #:key (base-url "https://kernel.org/pub") (directory (string-append "/" package)) - (file->signature (cut string-append <> ".sig"))) + file->signature) "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))) +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* ((uri (string->uri (string-append base-url directory "/"))) + (port (http-fetch/cached uri #:ttl 3600)) + (sxml (html->sxml port)) + (links (delete-duplicates (html-links sxml)))) + (define (file->signature/guess url) + (let ((base (basename url))) + (any (lambda (link) + (any (lambda (extension) + (and (string=? (string-append base extension) + (basename link)) + (string-append url extension))) + '(".asc" ".sig" ".sign"))) + links))) + (define (url->release url) (let* ((base (basename url)) (url (if (string=? base url) @@ -495,10 +508,10 @@ return the corresponding signature URL, or #f it signatures are unavailable." (version version) (urls (list url)) (signature-urls - (list (file->signature url)))))))) + (list ((or file->signature file->signature/guess) url)))))))) (define candidates - (filter-map url->release (html-links sxml))) + (filter-map url->release links)) (close-port port) (match candidates @@ -614,7 +627,7 @@ releases are on gnu.org." (define (url-prefix-rewrite old new) "Return a one-argument procedure that rewrites URL prefix OLD to NEW." (lambda (url) - (if (string-prefix? old url) + (if (and url (string-prefix? old url)) (string-append new (string-drop url (string-length old))) url))) @@ -646,9 +659,8 @@ releases are on gnu.org." (directory (dirname (uri-path uri))) (rewrite (url-prefix-rewrite %savannah-base "mirror://savannah"))) - ;; Note: We use the default 'file->signature', which adds ".sig", but not - ;; all projects on Savannah follow that convention: some use ".asc" and - ;; perhaps some lack signatures altogether. + ;; Note: We use the default 'file->signature', which adds ".sig", ".asc", + ;; or whichever detached signature naming scheme PACKAGE uses. (and=> (latest-html-release package #:base-url %savannah-base #:directory directory) |