From: João Victor Bonfim <joaovictorbonfim@protonmail.com>
Date: Sat, 18 Dec 2021 00:50:19 GMT
Subject: Re: Fw: Curiosity
Message-ID: <NcaqpHwXfrPNnhzTamuF_xESMQUHMdzLNbHXKOJY59bkJdsT63Nk4PksqQXfqygUMO0EZRFBJeS90r59Tvt2I4kXH69TSe3RwQRXQThxRRA=@protonmail.com>
In-Reply-To: <xmqq1r2a220u.fsf@gitster.g>

Yeah, that sounds reasonable, Junio.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

Em sexta-feira, 17 de dezembro de 2021 às 21:24, Junio C Hamano <gitster@pobox.com> escreveu:

> João Victor Bonfim JoaoVictorBonfim@protonmail.com writes:
>
> > > I suspect that for most algorithms and their implementations, this would
> > >
> > > not result in repeatable "recompressed" results. Thus the checked-out
> > >
> > > files might be different every time you checked them out. :(
> >
> > How or why?
> >
> > Sincere question.
>
> Two immediate things that come to my mind are lossy compression
>
> algorithms (jpeg pictures?) and compressors that do not necessarily
>
> produce bit-for-bit identical results (e.g. gzip by default embeds
>
> timestamp unless explicitly told not to from a command line option).