Monday, 11 September 2017

Re: Compressed apt index files by default for 18.04?

On Sun, Sep 10, 2017 at 11:42:59AM +0200, Julian Andres Klode wrote:
> On Sun, Sep 10, 2017 at 10:01:27AM +0100, Colin Watson wrote:
> > Note that we'd need to get
> > https://code.launchpad.net/~cjwatson/launchpad-buildd/apt-lists/+merge/286751
> > reviewed and landed before doing this, or dep-wait analysis of failed
> > builds will break.
>
> I should mention that you don't need apt-helper, but can just pass
> a file name to apt_pkg.TagFile and it handles decompression, starting
> with libapt-pkg4.12 (which is about apt 1.0.9 I think?).

I deliberately chose to use apt-helper instead, because it ensures that
we're using tools from the chroot to parse files in the chroot, which is
usually a good idea for robustness. If we used apt_pkg.TagFile outside
the chroot, then we'd be reliant on python-apt in the buildd host system
(i.e. a fixed Ubuntu series) being able to handle whatever formats are
used in the chroot, which may be true now but seems a poor assumption to
make in the long term.

That said, if you think that would really be a better way to go about
it, then please leave it as a comment on the MP otherwise we'll probably
forget.

--
Colin Watson [[email protected]]

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