real_path(): reject the empty string

diff --git a/t/t2203-add-intent.sh b/t/t2203-add-intent.sh
index 25435290a71ae8031762a3e63537fd3a23a8fc90..ec35409f9cbe9bcdd3d21a6a5a15996b165d2fff 100755 (executable)
--- a/t/t2203-add-intent.sh
+++ b/t/t2203-add-intent.sh
@@ -32,7 +32,7 @@ test_expect_success 'intent to add does not clobber existing paths' '
        ! grep "$empty" actual
 '
 
-test_expect_success 'cannot commit with i-t-a entry' '
+test_expect_success 'i-t-a entry is simply ignored' '
        test_tick &&
        git commit -a -m initial &&
        git reset --hard &&
@@ -41,12 +41,14 @@ test_expect_success 'cannot commit with i-t-a entry' '
        echo frotz >nitfol &&
        git add rezrov &&
        git add -N nitfol &&
-       test_must_fail git commit -m initial
+       git commit -m second &&
+       test $(git ls-tree HEAD -- nitfol | wc -l) = 0 &&
+       test $(git diff --name-only HEAD -- nitfol | wc -l) = 1
 '
 
 test_expect_success 'can commit with an unrelated i-t-a entry in index' '
        git reset --hard &&
-       echo xyzzy >rezrov &&
+       echo bozbar >rezrov &&
        echo frotz >nitfol &&
        git add rezrov &&
        git add -N nitfol &&