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-rw-r--r--guix/import/git.scm39
1 files changed, 27 insertions, 12 deletions
diff --git a/guix/import/git.scm b/guix/import/git.scm
index 4cf404677c..c15943bd7c 100644
--- a/guix/import/git.scm
+++ b/guix/import/git.scm
@@ -2,6 +2,7 @@
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
+;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -146,9 +147,11 @@ version corresponding to the tag, and the cdr is the name of the tag."
tags)
entry<?))
-(define* (latest-tag url #:key prefix suffix delim pre-releases?)
+(define* (latest-tag url
+ #:key prefix suffix delim pre-releases? (version #f))
"Return the latest version and corresponding tag available from the Git
-repository at URL."
+repository at URL. Optionally include a VERSION string to fetch a specific
+version."
(define (pre-release? tag)
(any (cut regexp-exec <> tag)
%pre-release-rx))
@@ -169,13 +172,22 @@ repository at URL."
((null? versions->tags)
(git-no-valid-tags-error))
(else
- (match (last versions->tags)
- ((version . tag)
- (values version tag)))))))
-
-(define (latest-git-tag-version package)
+ (let ((versions (if version
+ (filter (match-lambda
+ ((candidate-version . tag)
+ (string=? version candidate-version)))
+ versions->tags)
+ versions->tags)))
+ (if (null? versions)
+ (values #f #f)
+ (match (last versions)
+ ((version . tag)
+ (values version tag)))))))))
+
+(define* (latest-git-tag-version package #:key (version #f))
"Given a PACKAGE, return the latest version of it and the corresponding git
-tag, or #false and #false if the latest version could not be determined."
+tag, or #false and #false if the latest version could not be determined.
+Optionally include a VERSION string to fetch a specific version."
(guard (c ((or (git-no-tags-error? c) (git-no-valid-tags-error? c))
(warning (or (package-field-location package 'source)
(package-location package))
@@ -193,6 +205,7 @@ tag, or #false and #false if the latest version could not be determined."
(url (git-reference-url (origin-uri source)))
(property (cute assq-ref (package-properties package) <>)))
(latest-tag url
+ #:version version
#:prefix (property 'release-tag-prefix)
#:suffix (property 'release-tag-suffix)
#:delim (property 'release-tag-version-delimiter)
@@ -206,12 +219,14 @@ tag, or #false and #false if the latest version could not be determined."
(git-reference? (origin-uri origin))))
(_ #f)))
-(define (latest-git-release package)
- "Return an <upstream-source> for the latest release of PACKAGE."
+(define* (import-git-release package #:key (version #f))
+ "Return an <upstream-source> for the latest release of PACKAGE.
+Optionally include a VERSION string to fetch a specific version."
(let* ((name (package-name package))
(old-version (package-version package))
(old-reference (origin-uri (package-source package)))
- (new-version new-version-tag (latest-git-tag-version package)))
+ (new-version new-version-tag
+ (latest-git-tag-version package #:version version)))
(and new-version new-version-tag
(upstream-source
(package name)
@@ -226,4 +241,4 @@ tag, or #false and #false if the latest version could not be determined."
(name 'generic-git)
(description "Updater for packages hosted on Git repositories")
(pred git-package?)
- (latest latest-git-release)))
+ (import import-git-release)))