format-patch: respect --stat in cover letter's diffstat

diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh
index 5c37c2e1f8c3e96ae72dea1c7a5eef556fb18d00..22499bce5f50637e574961f744b567b974a4d3d0 100755 (executable)
--- a/t/t0003-attributes.sh
+++ b/t/t0003-attributes.sh
@@ -208,9 +208,8 @@ test_expect_success 'attribute test: --all option' '
 '
 
 test_expect_success 'attribute test: --cached option' '
-       : >empty &&
        git check-attr --cached --stdin --all <stdin-all | sort >actual &&
-       test_cmp empty actual &&
+       test_must_be_empty actual &&
        git add .gitattributes a/.gitattributes a/b/.gitattributes &&
        git check-attr --cached --stdin --all <stdin-all | sort >actual &&
        test_cmp specified-all actual