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| author | Marius Bakke <marius@gnu.org> | 2021-09-06 00:21:51 +0200 |
|---|---|---|
| committer | Marius Bakke <marius@gnu.org> | 2021-09-08 18:03:50 +0200 |
| commit | 1dc3825e9940de44c1f170add7bd26d61830ce34 (patch) | |
| tree | 1edb3164c700ecbad94b43488f29b0642914dde0 | |
| parent | 47d3585e96ee47dcb9afed085a37ffd31331bc2b (diff) | |
git: 'resolve-reference' handles 'git describe'-style commit IDs.
* guix/git.scm (resolve-reference): Rewrite tag-or-commit case to recognize
'git describe' style identifiers and resolve them as commits.
* doc/guix.texi (origin Reference): Mention it.
| -rw-r--r-- | doc/guix.texi | 9 | ||||
| -rw-r--r-- | guix/git.scm | 33 |
2 files changed, 29 insertions, 13 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 29246ad4e5..f88967b593 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -47,7 +47,7 @@ Copyright @copyright{} 2017, 2018 Carlo Zancanaro@* Copyright @copyright{} 2017 Thomas Danckaert@* Copyright @copyright{} 2017 humanitiesNerd@* Copyright @copyright{} 2017, 2021 Christine Lemmer-Webber@* -Copyright @copyright{} 2017, 2018, 2019, 2020 Marius Bakke@* +Copyright @copyright{} 2017, 2018, 2019, 2020, 2021 Marius Bakke@* Copyright @copyright{} 2017, 2019, 2020 Hartmut Goebel@* Copyright @copyright{} 2017, 2019, 2020, 2021 Maxim Cournoyer@* Copyright @copyright{} 2017, 2018, 2019, 2020, 2021 Tobias Geerinckx-Rice@* @@ -7010,9 +7010,10 @@ retrieve. The URL of the Git repository to clone. @item @code{commit} -This string denotes either the commit to fetch (a hexadecimal string, -either the full SHA1 commit or a ``short'' commit string; the latter is -not recommended) or the tag to fetch. +This string denotes either the commit to fetch (a hexadecimal string), +or the tag to fetch. You can also use a ``short'' commit ID or a +@command{git describe} style identifier such as +@code{v1.0.1-10-g58d7909c97}. @item @code{recursive?} (default: @code{#f}) This Boolean indicates whether to recursively fetch Git sub-modules. diff --git a/guix/git.scm b/guix/git.scm index 9c6f326c36..621de0e925 100644 --- a/guix/git.scm +++ b/guix/git.scm @@ -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. ;;; @@ -223,15 +224,29 @@ corresponding Git object." (object-lookup-prefix repository (string->oid commit) len) (object-lookup repository (string->oid 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-contains str "-g") + (match (string-split str #\-) + ((version ... revision g+commit) + (if (and (> (string-length g+commit) 4) + (string-every char-set:digit revision) + (string-every char-set:hex-digit + (string-drop g+commit 1))) + (string-drop g+commit 1) + #f)) + (_ #f))) + ;; Looks like a 'git describe' style ID, like + ;; v1.3.0-7-gaa34d4d28d. + => (lambda (commit) (resolve `(commit . ,commit)))) + ((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)))) |