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Re: debhelper + udeb + xz


On Sun, May 13, 2012 at 01:19:31PM -0400, Joey Hess wrote:
> Philipp Kern wrote:
> > On Sat, Feb 04, 2012 at 12:45:03AM -0400, Joey Hess wrote:
> > > Philipp Kern wrote:
> > > > So now to the question: What's the policy for dpkg(-deb) feature use in
> > > > debhelper?  Would it be feasible to add '-z1', '-Zxz', '-Sextreme' to the
> > > > dpkg-deb arguments for udebs within debhelper, once the dpkg changes land in
> > > > the archive, even if that's not supported within stable?
> > > I don't mind making that kind of change. Patches accepted if debian-boot
> > > decides that's the way to go.
> > can you make that change in your next debhelper upload, please?
> Well, I've done this, but I noticed that it only causes the data.tar to
> be xz compressed. There is still a control.tar.gz. Since udebs tend
> to have a lot of their content in the control archive, this is probably
> not as effective as it could be. 

true.  I saw the gain just with data.tar.xz, though.  The thing is that
control.tar.gz is fixed with the current deb format.  I guess we could bump the
binary format in the future and allow a control.tar.$somethingelse, but
currently all tools would trip over it.

Kind regards
Philipp Kern

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