From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 13 Jul 2011 19:40:09 GMT
Subject: Re: [RFC/PATCHv2 2/6] add metadata-cache infrastructure
Message-ID: <7vei1u6kbq.fsf@alter.siamese.dyndns.org>
In-Reply-To: <20110713083139.GA26838@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> I considered briefly that a zero-width cache might actually be useful
> for storing a membership list (i.e., "is this sha1 in the list or not").
> But then you have no way of distinguishing "not in the list" from "have
> no checked whether it should be in the list". You are probably better
> off storing a single byte flag in such cases.

Good reasoning; if you are going to add "BUG:zero width", the above is a
good comment to have nearby.

Thanks.