test_cmp expected actual
'
+test_expect_success '"git -C <path>" with an empty <path> is a no-op' '
+ (
+ mkdir -p dir1/subdir &&
+ cd dir1/subdir &&
+ git -C "" rev-parse --show-prefix >actual &&
+ echo subdir/ >expect &&
+ test_cmp expect actual
+ )
+'
+
test_expect_success 'Multiple -C options: "-C dir1 -C dir2" is equivalent to "-C dir1/dir2"' '
test_create_repo dir1/dir2 &&
echo 1 >dir1/dir2/b.txt &&