From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 24 Sep 2024 17:01:33 GMT
Subject: Re: [PATCH 2/3] cache-tree: detect mismatching number of index entries
Message-ID: <xmqqed59ugsy.fsf@gitster.g>
In-Reply-To: <ZvJgnqSwANCXmj0G@pks.im>

Patrick Steinhardt <ps@pks.im> writes:

>> I guess as long as "it" is not folded, it does not matter how other
>> paths from different directories in active_cache[] are sparsified or
>> expanded, as long as "pos" keeps track of the current position
>> correctly.
>
> It seems like we end up calling `ensure_full_index()` for a sparse
> index, which does cause us to signal to the caller that they should
> restart verification. So for all I understand, this function shouldn't
> act on a sparsely-populated index.

OK.  That sounds sensible and safe.