Re: t4111 fails under valgrind

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Thomas Rast wrote:

>   error: sub/dir/file: does not match index
>   error: sub/dir/file: does not match index
>   error: sub/dir/file: does not match index
>   not ok - 5 apply --index from subdir of toplevel

Thanks for reporting.  Does this patch work for you?

-- 8< --
Subject: t4111 (apply): refresh index before applying patches to it

"git apply", like most plumbing, does not automatically refresh the
index file even if it is only stat-dirty.  So unless the two "cp"
commands in reset_preimage() for a given file happen to have the same
time stamp, there will be a spurious

	error: sub/dir/file: does not match index

Refresh the index to eliminate this timing dependency.  Noticed by
running the test with --valgrind (which slows things down a lot).

Reported-by: Thomas Rast <trast@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
diff --git a/t/t4111-apply-subdir.sh b/t/t4111-apply-subdir.sh
index 57cae50..a52d94a 100755
--- a/t/t4111-apply-subdir.sh
+++ b/t/t4111-apply-subdir.sh
@@ -36,7 +36,8 @@ test_expect_success 'setup: subdir' '
 		cp "$2" file &&
 		cp "$2" sub/dir/file &&
 		cp "$2" sub/dir/b/file &&
-		cp "$2" objects/file
+		cp "$2" objects/file &&
+		test_might_fail git update-index --refresh -q
 	}
 '
 
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