Re: [PATCH 3/3] builtin/repack.c: don't move existing packs out of the way

>> In any case, much of what I speculated while reading the proposed
>> log message turned out to be false, which may be a sign that the log
>> message did not explain the approach clearly enough.  I thought that
>> a newly created file that happened to be identical to existing ones
>> would be discarded without getting renamed to their final location,
>> but the code does not do such special casing.  I thought the
>> 'metadata' it talks about were to compensate for side effects of
>> reusing the old files, but that was not what the 'metadata' was even
>> about.
>
> It's more about: ...