Re: [PATCH] supply '-n' to gzip to produce identical tarballs

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Jakub Narebski <jnareb@xxxxxxxxx> writes:

>> > Perhaps it would be more clear to use
>> > 
>> >   +		'compressor' => ['gzip', '--no-name']},
>
>> Definitely, if the argument is the same (or even present) on all systems.
>> On FreeBSD and GNU both '-n' and '--no-name' are do the job, but an audit
>> of other systems should be done to ensure they don't break.  I chose '-n'
>> as it seemed the more conservative choice.
>
> So you choose '-n' because it has more chance of being widely supported,
> isn't it?  Good enough for me.

Interesting.  "gzip <COPYING" does get a consistent result because it can
fstat to get the timestamp, but "cat COPYING | gzip" does change its
output every time it is run.  Good catch and a solution.  Thanks, both.

So I should expect a pull request sometime after 1.7.5 final from you,
with "an audit of other systems" done by others on the list noted in the
final commit message?


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