dir.c: fix missing dir invalidation in untracked code

diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh
index de3bf0741c06a9f0b7163794190dba46ba2d462b..31db7b5f9125ed346450d7bfe29d8bb5fac0460a 100755 (executable)
--- a/t/t6010-merge-base.sh
+++ b/t/t6010-merge-base.sh
@@ -215,11 +215,13 @@ test_expect_success 'criss-cross merge-base for octopus-step' '
        git reset --hard E &&
        test_commit CC2 &&
        test_tick &&
-       git merge -s ours CC1 &&
+       # E is a root commit unrelated to MMR root on which CC1 is based
+       git merge -s ours --allow-unrelated-histories CC1 &&
        test_commit CC-o &&
        test_commit CCB &&
        git reset --hard CC1 &&
-       git merge -s ours CC2 &&
+       # E is a root commit unrelated to MMR root on which CC1 is based
+       git merge -s ours --allow-unrelated-histories CC2 &&
        test_commit CCA &&
 
        git rev-parse CC1 CC2 >expected &&