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gnu-maintenance: Extract url->links procedure. 

* guix/gnu-maintenance.scm (url->links): New procedure.
(import-html-release): Use it.
This commit is contained in:
Maxim Cournoyer 2023-08-09 22:40:01 -04:00
parent 610d0e30e0
commit f6cfc993ac
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GPG Key ID: 1260E46482E63562
1 changed files with 12 additions and 7 deletions
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guix/gnu-maintenance.scm
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@ -483,6 +483,14 @@ hosted on ftp.gnu.org, or not under that name (this is the case for
(_
links))))
(define (url->links url)
"Return the unique links on the HTML page accessible at URL."
(let* ((uri (string->uri url))
(port (http-fetch/cached uri #:ttl 3600))
(sxml (html->sxml port)))
(close-port port)
(delete-duplicates (html-links sxml))))
(define* (import-html-release base-url package
#:key
(version #f)
@ -499,12 +507,10 @@ 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 (if (string-null? directory)
base-url
(string-append base-url directory "/"))))
(port (http-fetch/cached uri #:ttl 3600))
(sxml (html->sxml port))
(links (delete-duplicates (html-links sxml))))
(let* ((url (if (string-null? directory)
base-url
(string-append base-url directory "/")))
(links (url->links url)))
(define (file->signature/guess url)
(let ((base (basename url)))
(any (lambda (link)
@ -562,7 +568,6 @@ are unavailable."
(define candidates
(filter-map url->release links))
(close-port port)
(match candidates
(() #f)
((first . _)