get_short_sha1: parse tags when looking for treeish

diff --git a/sha1_name.c b/sha1_name.c
index 9356ac246de4b27b7093d46fd480a8cb011d61b7..66365049a7410a1edc9138a7b3017210d3fe3339 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -269,7 +269,7 @@ static int disambiguate_treeish_only(const unsigned char *sha1, void *cb_data_un
                return 0;
 
        /* We need to do this the hard way... */
-       obj = deref_tag(lookup_object(sha1), NULL, 0);
+       obj = deref_tag(parse_object(sha1), NULL, 0);
        if (obj && (obj->type == OBJ_TREE || obj->type == OBJ_COMMIT))
                return 1;
        return 0;