send-email: add --[no-]xmailer option

diff --git a/t/t4035-diff-quiet.sh b/t/t4035-diff-quiet.sh
index 231412d1008e45e1d788660930cab708d3912ed4..e8ae2a03fdcf5ac57dc0e5bcacd40501960bce1c 100755 (executable)
--- a/t/t4035-diff-quiet.sh
+++ b/t/t4035-diff-quiet.sh
@@ -148,4 +148,10 @@ test_expect_success 'git diff --ignore-all-space, both files outside repo' '
        )
 '
 
+test_expect_success 'git diff --quiet ignores stat-change only entries' '
+       test-chmtime +10 a &&
+       echo modified >>b &&
+       test_expect_code 1 git diff --quiet
+'
+
 test_done