old = lookup_commit_reference_gently(osha1, 1);
if (!new && !is_null_sha1(nsha1))
new = lookup_commit_reference_gently(nsha1, 1);
- if ((old && !in_merge_bases(old, cb->ref_commit)) ||
- (new && !in_merge_bases(new, cb->ref_commit)))
+ if ((old && !in_merge_bases(old, &cb->ref_commit, 1)) ||
+ (new && !in_merge_bases(new, &cb->ref_commit, 1)))
goto prune;
}