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Re: .deb format: let's use 0.939, zstd, drop bzip2




On 2019-05-08 22:35:58 +0200 (+0200), Ansgar wrote:
> Adam Borowski writes:
> > I've recently did some research on how can we improve the speed of unpacking
> > packages.  There's a lot of other stages that can be improved, but let's
> > talk about the .deb format.
> >
> > First, the 0.939 format, as described in "man deb-old".  While still being
> > accepted by dpkg, it had been superseded before even the very first stable
> > release.  Why?  It has at least two upsides over 2.0:
> 
> Switching to a different binary format will break various tools.  If we
> want to do this, I wonder if we shouldn't take the chance to move away
> from tar?
> 
> We have various applications that only want to extract single members of
> the package (changelog, NEWS, copyright, ...); tar is a really bad
> format for such an operation.  Other formats (zip, 7z, ...) are more
> suited for them.

Are you talking about source packages or binary packages here? The
latter use ar, not tar.
-- 
Jeremy Stanley

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