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Diffstat (limited to 'guix/store/deduplication.scm')
| -rw-r--r-- | guix/store/deduplication.scm | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/guix/store/deduplication.scm b/guix/store/deduplication.scm index 53810c680f..21b0c81f3d 100644 --- a/guix/store/deduplication.scm +++ b/guix/store/deduplication.scm @@ -102,11 +102,17 @@ LINK-PREFIX." SWAP-DIRECTORY as the directory to store temporary hard links. Note: TARGET, TO-REPLACE, and SWAP-DIRECTORY must be on the same file system." - (let ((temp-link (get-temp-link target swap-directory))) - (make-file-writable (dirname to-replace)) + (let* ((temp-link (get-temp-link target swap-directory)) + (parent (dirname to-replace)) + (stat (stat parent))) + (make-file-writable parent) (catch 'system-error (lambda () - (rename-file temp-link to-replace)) + (rename-file temp-link to-replace) + + ;; Restore PARENT's mtime and permissions. + (set-file-time parent stat) + (chmod parent (stat:mode stat))) (lambda args (delete-file temp-link) (unless (= EMLINK (system-error-errno args)) |