From: Junio C Hamano <gitster@pobox.com>
Date: Sat, 13 Feb 2021 23:56:20 GMT
Subject: Re: [PATCH v3 1/5] t4001: add a test comparing basename similarity and content similarity
Message-ID: <xmqqblcnttcr.fsf@gitster.c.googlers.com>
In-Reply-To: <CABPp-BHyYOAw939vU20oA_tOSFRVm=EaLKuw+4M1oP1GDDV5cg@mail.gmail.com>

Elijah Newren <newren@gmail.com> writes:

> This is not true.  If src/main.c is 99% similar to src/foo.c, and is
> 0% similar to the src/main.c in the new commit, we match the old
> src/main.c to the new src/main.c despite being far more similar
> src/foo.c.  Unless break detection is turned on, we do not allow
> content similarity to trump (full) filename equality.

Absolutely.  And we are talking about a new optimization that kicks
in only when there is no break or no copy detection going on, no?