import: launchpad: Allow updating to a specific version.

* guix/import/launchpad.scm (latest-release): Rename to 'import-release',
  add #:version argument.
  If version is given, return an upstream-source for this version.
This commit is contained in:
Hartmut Goebel 2022-06-29 10:15:47 +02:00
parent 424a871f1f
commit 3986caacae
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@ -2,6 +2,7 @@
;;; Copyright © 2019, 2020 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2021 Matthew James Kraai <kraai@ftbfs.org>
;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -121,8 +122,9 @@ (define (pre-release? x)
(last (remove pre-release? (vector->list (assoc-ref json "entries"))))
"version"))))
(define (latest-release pkg)
"Return an <upstream-source> for the latest release of PKG."
(define* (import-release pkg #:key (version #f))
"Return an <upstream-source> for the latest release of PKG. Optionally
include a VERSION string to fetch a specific version."
(define (origin-launchpad-uri origin)
(match (origin-uri origin)
((? string? url) url) ; surely a Launchpad URL
@ -132,7 +134,7 @@ (define (origin-launchpad-uri origin)
(let* ((source-uri (origin-launchpad-uri (package-source pkg)))
(name (package-name pkg))
(repository (launchpad-repository source-uri))
(newest-version (latest-released-version repository)))
(newest-version (or version (latest-released-version repository))))
(if newest-version
(upstream-source
(package name)
@ -145,4 +147,4 @@ (define %launchpad-updater
(name 'launchpad)
(description "Updater for Launchpad packages")
(pred launchpad-package?)
(import latest-release)))
(import import-release)))