From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 09 Oct 2020 16:28:10 GMT
Subject: Re: What's cooking in git.git (Oct 2020, #02; Fri, 9)
Message-ID: <xmqqpn5rtld1.fsf@gitster.c.googlers.com>
In-Reply-To: <512a3dc5-4937-8679-c4c8-5144ac50450b@gmail.com>

Derrick Stolee <stolee@gmail.com> writes:

> As for discarding them all: we would need to add code to "reparse"
> a commit from the object database. Perhaps that is doable, but we
> have so far not removed data from a parsed 'struct commit'. This
> is probably the easiest way forward to guarantee correct data here.

Oh, no, by "discarding" I just meant to blow away suspect on-disk
files and recompute them from scratch.  I didn't have anything
clever like correcting in-core data structure by parsing the commits
and updating.

> Again, let's find a way to test this before committing.

Yes, that is sensible.  After all this is not a recent regression.