help: use parseopt

diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index dfd118878fd37c096ccd426aa01fa2ac36581367..38403643a6271ae4e6bb5a9c7d768ae4b50df34d 100755 (executable)
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -316,4 +316,14 @@ test_expect_success 'core.excludesfile' '
 
 '
 
+test_expect_success 'removal failure' '
+
+       mkdir foo &&
+       touch foo/bar &&
+       chmod 0 foo &&
+       ! git clean -f -d
+
+'
+chmod 755 foo
+
 test_done