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import: kde: Allow updating to a specific version. 

* guix/import/kde.scm (latest-kde-release): Rename to 'import-kde-release',
  add #:version argument.  Rework the code to not sort the relevant files,
  but just find the requested or latest version.
  [find-latest-archive-version]: New function.
master
Hartmut Goebel 2022-06-29 12:29:08 +02:00
parent e689f97033
commit 424a871f1f
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1 changed files with 36 additions and 25 deletions
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49
guix/import/kde.scm
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@ -28,6 +28,7 @@
#:use-module (ice-9 match)
#:use-module (ice-9 rdelim)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (web uri)
@ -149,42 +150,52 @@ Output:
(string-join (map version->pattern directory-parts) "/")
"/"))))
(define (latest-kde-release package)
(define* (import-kde-release package #:key (version #f))
"Return the latest release of PACKAGE, a KDE package, or #f if it could
not be determined."
not be determined. Optionally include a VERSION string to fetch a specific
version."
(define (find-latest-archive-version archives)
(fold (lambda (file1 file2)
(if (and file2
(version>? (tarball-sans-extension (basename file2))
(tarball-sans-extension (basename file1))))
file2
file1))
#f
archives))
(let* ((uri (string->uri (origin-uri (package-source package))))
(path-rx (uri->kde-path-pattern uri))
(name (package-upstream-name package))
(files (download.kde.org-files))
;; select archives for this package
(relevant (filter (lambda (file)
(and (regexp-exec path-rx file)
(release-file? name (basename file))))
files)))
(match (sort relevant (lambda (file1 file2)
(version>? (tarball-sans-extension
(basename file1))
(tarball-sans-extension
(basename file2)))))
((and tarballs (reference _ ...))
(let* ((version (tarball->version reference))
files))
;; Find latest version.
(version (or version
(and (not (null? relevant))
(tarball->version (find-latest-archive-version relevant)))))
;; Find archives matching this version.
(tarballs (filter (lambda (file)
(string=? (tarball-sans-extension
(basename file))
(tarball-sans-extension
(basename reference))))
tarballs)))
(string=? version (tarball->version file)))
relevant)))
(match tarballs
(() #f)
(_
(upstream-source
(package name)
(version version)
(urls (map (lambda (file)
(string-append "mirror://kde/" file))
tarballs)))))
(()
#f))))
tarballs)))))))
(define %kde-updater
(upstream-updater
(name 'kde)
(description "Updater for KDE packages")
(pred (url-prefix-predicate "mirror://kde/"))
(import latest-kde-release)))
(import import-kde-release)))