@@ -2,6 +2,7 @@
;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2021 Kyle Meyer <kyle@kyleam.com>
+;;; Copyright © 2021 Marius Bakke <marius@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -214,24 +215,26 @@ corresponding Git object."
(let ((oid (reference-name->oid repository symref)))
(object-lookup repository oid)))
(('commit . commit)
- (let ((len (string-length commit)))
- ;; 'object-lookup-prefix' appeared in Guile-Git in Mar. 2018, so we
- ;; can't be sure it's available. Furthermore, 'string->oid' used to
- ;; read out-of-bounds when passed a string shorter than 40 chars,
- ;; which is why we delay calls to it below.
- (if (< len 40)
- (object-lookup-prefix repository (string->oid commit) len)
- (object-lookup repository (string->oid commit)))))
+ (revparse-single repository commit))
(('tag-or-commit . str)
- (if (or (> (string-length str) 40)
- (not (string-every char-set:hex-digit str)))
- (resolve `(tag . ,str)) ;definitely a tag
- (catch 'git-error
- (lambda ()
- (resolve `(tag . ,str)))
- (lambda _
- ;; There's no such tag, so it must be a commit ID.
- (resolve `(commit . ,str))))))
+ (cond ((and (> (string-length str) 8)
+ (string-contains str "-g")
+ (match (string-split str #\-)
+ ((components ... g+id)
+ (string-every char-set:hex-digit
+ (string-drop g+id 1)))
+ (_ #f)))
+ (resolve `(commit . ,str))) ;looks like a 'git describe' style ID
+ ((or (> (string-length str) 40)
+ (not (string-every char-set:hex-digit str)))
+ (resolve `(tag . ,str))) ;definitely a tag
+ (else
+ (catch 'git-error
+ (lambda ()
+ (resolve `(tag . ,str)))
+ (lambda _
+ ;; 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))))