From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 06 Aug 2018 18:59:01 GMT
Subject: Re: [PATCH v3 0/4] Speed up unpack_trees()
Message-ID: <xmqqr2jbnwy2.fsf@gitster-ct.c.googlers.com>
In-Reply-To: <CACsJy8CzuxjjLyf637dtTHc1wK-UFVnNjwa0O300kYOWehz1vA@mail.gmail.com>

Duy Nguyen <pclouds@gmail.com> writes:

> We require the unpacked entry from all input trees to be a tree
> objects (the dirmask thing), so if one tree has 't' as a file,

Ah, OK, this is still part of that "all the trees match cache tree
so we walk the index instead" optimization.  I forgot about that.