diff -r f64261762f3d -r 58e38c1a2370 tests/test-revlog.t
--- a/tests/test-revlog.t	Thu Sep 01 16:41:48 2022 +0200
+++ b/tests/test-revlog.t	Mon Sep 19 17:34:42 2022 -0400
@@ -73,7 +73,7 @@
 - hg commit -Am_
 - remove some cache files
 
-  $ tar -x < "$TESTDIR"/bundles/test-revlog-diff-relative-to-nullrev.tar
+  $ tar -xf - < "$TESTDIR"/bundles/test-revlog-diff-relative-to-nullrev.tar
   $ cd nullrev-diff
   $ hg debugdeltachain a
       rev      p1      p2  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio   readsize largestblk rddensity srchunks