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-rw-r--r--guix/git.scm24
-rw-r--r--tests/git.scm22
2 files changed, 45 insertions, 1 deletions
diff --git a/guix/git.scm b/guix/git.scm
index d75a301f98..48a962089d 100644
--- a/guix/git.scm
+++ b/guix/git.scm
@@ -298,6 +298,25 @@ corresponding Git object."
(('tag . tag)
(tag->commit repository tag)))))
+(define (delete-untracked-files repository)
+ "Delete untracked files from the work directory of REPOSITORY."
+ (let ((workdir (repository-working-directory repository))
+ (status (status-list-new repository
+ (make-status-options
+ STATUS-SHOW-WORKDIR-ONLY
+ (logior
+ STATUS-FLAG-INCLUDE-UNTRACKED
+ STATUS-FLAG-INCLUDE-IGNORED)))))
+ (for-each (lambda (entry)
+ (let ((status (status-entry-status entry)))
+ (when (or (memq 'wt-new status)
+ (memq 'ignored status))
+ (let* ((diff (status-entry-index-to-workdir entry))
+ (new (diff-delta-new-file diff)))
+ (delete-file-recursively
+ (in-vicinity workdir (diff-file-path new)))))))
+ (status-list->status-entries status))))
+
(define (switch-to-ref repository ref)
"Switch to REPOSITORY's branch, commit or tag specified by REF. Return the
OID (roughly the commit hash) corresponding to REF."
@@ -305,6 +324,11 @@ OID (roughly the commit hash) corresponding to REF."
(resolve-reference repository ref))
(reset repository obj RESET_HARD)
+
+ ;; There might still be untracked files in REPOSITORY due to an interrupted
+ ;; checkout for example; delete them.
+ (delete-untracked-files repository)
+
(object-id obj))
(define (call-with-repository directory proc)
diff --git a/tests/git.scm b/tests/git.scm
index ad43435b67..9ccd04f0cd 100644
--- a/tests/git.scm
+++ b/tests/git.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019, 2020, 2022 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019-2020, 2022, 2024 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz
;;;
;;; This file is part of GNU Guix.
@@ -259,4 +259,24 @@
;; COMMIT should be the ID of the commit object, not that of the tag.
(string=? commit head))))))
+(test-assert "update-cached-checkout, untracked files removed"
+ (call-with-temporary-directory
+ (lambda (cache)
+ (with-temporary-git-repository directory
+ '((add "a.txt" "A")
+ (add ".gitignore" ".~\n")
+ (commit "First commit"))
+ (let ((directory commit relation
+ (update-cached-checkout directory
+ #:ref '()
+ #:cache-directory cache)))
+ (close-port
+ (open-output-file (in-vicinity cache "stale-untracked-file")))
+ (let ((directory2 commit2 relation2
+ (update-cached-checkout directory
+ #:ref '()
+ #:cache-directory cache)))
+ (not (file-exists?
+ (in-vicinity cache "stale-untracked-file")))))))))
+
(test-end "git")