exclude-promisor-objects: declare when option is allowed

diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index 25b1f8cc73bc35bedaaffeacbb75a1329d725c3b..61610ce08e921ed937bac60a3a12f12afc7fcfb1 100755 (executable)
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -1668,4 +1668,8 @@ test_expect_success 'log --source paints symmetric ranges' '
        test_cmp expect actual
 '
 
+test_expect_success '--exclude-promisor-objects does not BUG-crash' '
+       test_must_fail git log --exclude-promisor-objects source-a
+'
+
 test_done