Re: [PATCH v3 5/5] archive-tar: use internal gzip by default

> Am 14.06.22 um 13:27 schrieb Johannes Schindelin:
>> Hi Junio,
>>
>> On Mon, 13 Jun 2022, Junio C Hamano wrote:
>>
>>> René Scharfe <l.s.r@web.de> writes:
>>>
>>>> -test_expect_success GZIP 'git archive --format=tar.gz' '
>>>> +test_expect_success 'git archive --format=tar.gz' '
>>>>  	git archive --format=tar.gz HEAD >j1.tar.gz &&
>>>>  	test_cmp_bin j.tgz j1.tar.gz
>>>>  '
>>>
>>> Curiously, this breaks for me.  It is understandable if we are not
>>> producing byte-for-byte identical output with internal gzip.
>
> Makes sense in retrospect, there's no reason the output of gzip(1) and
> zlib would have to be the same exactly.  It just happened to be so on my
> platform, so the tests deceptively passed for me.  I think we simply
> have to drop those that try to compare compressed files made by
> different tools -- we can still check if their content can be extracted
> and matches.