unpack-trees.c: look ahead in the index

diff --git a/notes.c b/notes.c
index 50a4672d7c68d84024d6ef98e2ca11561d848e27..023adce982c668f39b01652e525b54fd512d5603 100644 (file)
--- a/notes.c
+++ b/notes.c
@@ -331,6 +331,8 @@ static void load_subtree(struct leaf_node *subtree, struct int_node *node,
                        hashcpy(l->key_sha1, commit_sha1);
                        hashcpy(l->val_sha1, entry.sha1);
                        if (len < 20) {
+                               if (!S_ISDIR(entry.mode))
+                                       continue; /* entry cannot be subtree */
                                l->key_sha1[19] = (unsigned char) len;
                                type = PTR_TYPE_SUBTREE;
                        }