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gnu-maintenance: Extract 'canonicalize-url' from 'import-html-release'.

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* guix/gnu-maintenance.scm
(canonicalize-url): New procedure, extracted from...
(import-html-release): ... here.  Use it.  Rename inner PACKAGE variable to
NAME, to explicit it is a string and not a package object.
This commit is contained in:
Maxim Cournoyer 2023-08-10 16:54:52 -04:00
parent 2654232660
commit 6fb8cc312d
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GPG key ID: 1260E46482E63562
1 changed files with 34 additions and 36 deletions
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70
guix/gnu-maintenance.scm
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@ -491,6 +491,33 @@ (define (url->links url)
(close-port port)
(delete-duplicates (html-links sxml))))
(define (canonicalize-url url base-url)
"Make relative URL absolute, by appending URL to BASE-URL as required. If
URL is a directory instead of a file, it should be suffixed with a slash (/)."
(cond ((and=> (string->uri url) uri-scheme)
;; Fully specified URL.
url)
((string-prefix? "//" url)
;; Full URL lacking a URI scheme. Reuse the URI scheme of the
;; document that contains the URL.
(string-append (symbol->string (uri-scheme (string->uri base-url)))
":" url))
((string-prefix? "/" url)
;; Absolute URL.
(let ((uri (string->uri base-url)))
(uri->string
(build-uri (uri-scheme uri)
#:host (uri-host uri)
#:port (uri-port uri)
#:path url))))
;; URL is relative to BASE-URL, which is assumed to be a directory.
((string-suffix? "/" base-url)
(string-append base-url url))
(else
;; URL is relative to BASE-URL, which is assumed to denote a file
;; within a directory.
(string-append (dirname base-url) "/" url))))
(define* (import-html-release base-url package
#:key
(version #f)
@ -508,11 +535,12 @@ (define* (import-html-release base-url package
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* ((package (package-upstream-name package))
(let* ((name (package-upstream-name package))
(url (if (string-null? directory)
base-url
(string-append base-url directory "/")))
(links (url->links url)))
(links (map (cut canonicalize-url <> url) (url->links url))))
(define (file->signature/guess url)
"Return the first link that matches a signature extension, else #f."
(let ((base (basename url)))
@ -526,42 +554,12 @@ (define (file->signature/guess url)
(define (url->release url)
"Return an <upstream-source> object if a release file was found at URL,
else #f."
(let* ((base (basename url))
(base-url (string-append base-url directory))
(url (cond ((and=> (string->uri url) uri-scheme) ;full URL?
url)
;; full URL, except for URI scheme. Reuse the URI
;; scheme of the document that contains the link.
((string-prefix? "//" url)
(string-append
(symbol->string (uri-scheme (string->uri base-url)))
":" url))
((string-prefix? "/" url) ;absolute path?
(let ((uri (string->uri base-url)))
(uri->string
(build-uri (uri-scheme uri)
#:host (uri-host uri)
#:port (uri-port uri)
#:path url))))
;; URL is a relative path and BASE-URL may or may not
;; end in slash.
((string-suffix? "/" base-url)
(string-append base-url url))
(else
;; If DIRECTORY is non-empty, assume BASE-URL
;; denotes a directory; otherwise, assume BASE-URL
;; denotes a file within a directory, and that URL
;; is relative to that directory.
(string-append (if (string-null? directory)
(dirname base-url)
base-url)
"/" url)))))
(and (release-file? package base)
else #f. URL is assumed to fully specified."
(let ((base (basename url)))
(and (release-file? name base)
(let ((version (tarball->version base)))
(upstream-source
(package package)
(package name)
(version version)
;; uri-mirror-rewrite: Don't turn nice mirror:// URIs into ftp://
;; URLs during "guix refresh -u".