merge_bases = get_merge_bases(onto, head);
if (merge_bases && !merge_bases->next) {
oidcpy(merge_base, &merge_bases->item->object.oid);
- res = !oidcmp(merge_base, &onto->object.oid);
+ res = oideq(merge_base, &onto->object.oid);
} else {
oidcpy(merge_base, &null_oid);
res = 0;