Guillem Jover <guil...@debian.org> writes:

> Let's assume compressor (gzip/bzip2/xz/etc) version M gets uploaded to
> sid generating a reproducible output across all current architectures.
> Time passes, compressor version N (and even O and P and Q etc) gets
> uploaded, which starts producing new ouput (on each of those versions).
> A new architecture gets added to Debian, and because previous compressor
> versions are not in the archive anymore, all packages built with them
> have different checksums than the new ones. This means *all* those
> packages have to be binNMUed across *all* the architectures, or the
> porters need to hunt down every specific compressor version used to
> build those packages to be able to reproduce the build on their arch.
> This seems highly suboptimal and “future-unproof”...

Yes, agreed.  I think this is a rather compelling argument against relying
on reproducibility of compressor output.

-- 
Russ Allbery (r...@debian.org)               <http://www.eyrie.org/~eagle/>


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