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author | Ludovic Courtès <ludo@gnu.org> | 2024-03-31 23:31:21 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2024-04-15 22:36:41 +0200 |
commit | 96d2de01853a5955ad882a565c903e1b1689b4f0 (patch) | |
tree | 914c0845a1f7a033bb1d04df5fbe8e4679b3158b /guix/git.scm | |
parent | 088e181c0a58bf1a03e3aa7be1202fb3cd209136 (diff) | |
download | guix-96d2de01853a5955ad882a565c903e1b1689b4f0.tar guix-96d2de01853a5955ad882a565c903e1b1689b4f0.tar.gz |
git: Add ‘tag->commit’ and use it in (guix channels).
* guix/git.scm (tag->commit): New procedure, taken from…
(resolve-reference): … here. Use it in the ‘tag’ case.
* guix/channels.scm (resolve-channel-news-entry-tag): Use ‘tag->commit’
instead of custom code.
Change-Id: I46ea387345dc1b695ce0702991a52d0cde29e2f0
Diffstat (limited to 'guix/git.scm')
-rw-r--r-- | guix/git.scm | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/guix/git.scm b/guix/git.scm index eab84ea798..8e1d863976 100644 --- a/guix/git.scm +++ b/guix/git.scm @@ -68,6 +68,7 @@ commit-descendant? commit-id? commit-short-id + tag->commit remote-refs @@ -237,6 +238,19 @@ is a tag name. This is based on a simple heuristic so use with care!" (define commit-short-id (compose (cut string-take <> 7) oid->string commit-id)) +(define (tag->commit repository tag) + "Resolve TAG in REPOSITORY and return the corresponding object, usually a +commit." + (let* ((oid (reference-name->oid repository + (string-append "refs/tags/" tag))) + (obj (object-lookup repository oid))) + ;; OID may designate an "annotated tag" object or a "commit" object. + ;; Return the commit object in both cases. + (if (= OBJ-TAG (object-type obj)) + (object-lookup repository + (tag-target-id (tag-lookup repository oid))) + obj))) + (define (resolve-reference repository ref) "Resolve the branch, commit or tag specified by REF, and return the corresponding Git object." @@ -283,15 +297,7 @@ corresponding Git object." ;; There's no such tag, so it must be a commit ID. (resolve `(commit . ,str))))))) (('tag . tag) - (let* ((oid (reference-name->oid repository - (string-append "refs/tags/" tag))) - (obj (object-lookup repository oid))) - ;; OID may designate an "annotated tag" object or a "commit" object. - ;; Return the commit object in both cases. - (if (= OBJ-TAG (object-type obj)) - (object-lookup repository - (tag-target-id (tag-lookup repository oid))) - obj)))))) + (tag->commit repository tag))))) (define (switch-to-ref repository ref) "Switch to REPOSITORY's branch, commit or tag specified by REF. Return the |