Use the modern syntax of git-diff-files in t2002-checkout-cache-u.sh

diff --git a/t/t3001-ls-files-others-exclude.sh b/t/t3001-ls-files-others-exclude.sh
index b4297bacf2bd3d6da0f7fd01fba65741cf568003..55f057cebeb37a8ba8cd9c1e6aa5101c66988bcb 100755 (executable)
--- a/t/t3001-ls-files-others-exclude.sh
+++ b/t/t3001-ls-files-others-exclude.sh
@@ -97,7 +97,7 @@ cat > expect << EOF
 EOF
 
 test_expect_success 'git-status honours core.excludesfile' \
-       'diff -u expect output'
+       'test_cmp expect output'
 
 test_expect_success 'trailing slash in exclude allows directory match(1)' '