check_abbrev 39 --abbrev=40 ^HEAD
'
+test_expect_success '--no-abbrev works like --abbrev=40' '
+ check_abbrev 40 --no-abbrev
+'
+
+test_expect_success '--exclude-promisor-objects does not BUG-crash' '
+ test_must_fail git blame --exclude-promisor-objects one
+'
+
test_done