Neil Williams wrote: > I'd like to ask for some help with a bug which is tripping up my tests > with the multiarch-aware dpkg from experimental - #647522 - > non-deterministic behaviour of gzip -9n.
pristine-tar hat tricks[1] aside, none of gzip, bzip2, xz are required
to always produce the same compressed file for a given input file, and I
can tell you from experience that there is a wide amount of variation. If
multiarch requires this, then its design is at worst broken, and at
best, there will be a lot of coordination pain every time there is a
new/different version of any of these that happens to compress slightly
differently.
Maybe there was a reason for Guillem to want to tread carefully.
--
see shy jo
[1] Tricks including but not limited to: Small binary diffs and
embedding specific versions of these programs' compressors as
needed.
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