X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=t%2Ft4020-diff-external.sh;h=637b4e19d52e81cf1472a4ed9dcfb0c9ff00da2b;hb=c74815261225e5068490583b08303d158837ab9e;hp=ed3bd5b3fe7c8b5ca52067e3015e0d770ee79bf2;hpb=04d70bebe72c264a1c4d26cbe306672e3e4098e3;p=git.git

diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh
index ed3bd5b3f..637b4e19d 100755
--- a/t/t4020-diff-external.sh
+++ b/t/t4020-diff-external.sh
@@ -99,11 +99,12 @@ test_expect_success 'no diff with -diff' '
 	git diff | grep Binary
 '
 
-echo NULZbetweenZwords | tr Z '\0' > file
+echo NULZbetweenZwords | perl -pe 'y/Z/\000/' > file
 
 test_expect_success 'force diff with "diff"' '
 	echo >.gitattributes "file diff" &&
-	git diff | grep -a second
+	git diff >actual &&
+	test_cmp ../t4020/diff.NUL actual
 '
 
 test_done