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authorLudovic Courtès <ludo@gnu.org>2018-11-13 14:20:27 +0100
committerLudovic Courtès <ludo@gnu.org>2018-11-13 14:59:46 +0100
commitf5a2724ae453f4a4b55ff848f4ad7e30efb6eef8 (patch)
treed75dc771a1fdd3322ed0c4f266c39b952f149183 /tests
parent8390869811f56f5b2ff947efb9d48bcf219a0444 (diff)
deduplication: Restore directory mtime and permissions after deduplication.
Fixes <https://bugs.gnu.org/33361>. * guix/store/deduplication.scm (replace-with-link): Call 'set-file-time' and 'chmod' after 'rename-file'. * tests/nar.scm ("restore-file-set with directories (signed, valid)"): New test.
Diffstat (limited to 'tests')
-rw-r--r--tests/nar.scm35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/nar.scm b/tests/nar.scm
index bf1b066687..5ffe68c9e2 100644
--- a/tests/nar.scm
+++ b/tests/nar.scm
@@ -359,6 +359,41 @@
files))
(every canonical-file? files)))))))
+(test-assert "restore-file-set with directories (signed, valid)"
+ ;; <https://bugs.gnu.org/33361> describes a bug whereby directories
+ ;; containing files subject to deduplication were not canonicalized--i.e.,
+ ;; their mtime and permissions were not reset. Ensure that this bug is
+ ;; gone.
+ (with-store store
+ (let* ((text1 (random-text))
+ (text2 (random-text))
+ (tree `("tree" directory
+ ("a" regular (data ,text1))
+ ("b" directory
+ ("c" regular (data ,text2))
+ ("d" regular (data ,text1))))) ;duplicate
+ (file (add-file-tree-to-store store tree))
+ (dump (call-with-bytevector-output-port
+ (cute export-paths store (list file) <>))))
+ (delete-paths store (list file))
+ (and (not (file-exists? file))
+ (let* ((source (open-bytevector-input-port dump))
+ (imported (restore-file-set source)))
+ (and (equal? imported (list file))
+ (file-exists? file)
+ (valid-path? store file)
+ (string=? text1
+ (call-with-input-file (string-append file "/a")
+ get-string-all))
+ (string=? text2
+ (call-with-input-file
+ (string-append file "/b/c")
+ get-string-all))
+ (= (stat:ino (stat (string-append file "/a"))) ;deduplication
+ (stat:ino (stat (string-append file "/b/d"))))
+ (every canonical-file?
+ (find-files file #:directories? #t))))))))
+
(test-assert "restore-file-set (missing signature)"
(let/ec return
(with-store store