[Rpm-metadata] adding different compression types to createrepo

[Matthew Dawkins]

On Wed, Aug 4, 2010 at 11:47 AM, seth vidal <skvidal at fedoraproject.org>wrote:

> On Wed, 2010-08-04 at 11:30 -0600, Matthew Dawkins wrote:
>
> > Like Robert Xu said. Let the distros hash out what format and
> > compression they want to provide in their own repos and not let one
> > person or distro make that decision for us. If in time your sqlite
> > format is AWESOME, I'm sure we will switch, but until that time we
> > will continue to use the xml files.
> >
>
>
> That's the problem. RPM just had xz/lzma support added for compressing
> payloads. That broke..... all older versions of rpm being able to even
> read/handle packages made by the newer versions.
>
> I was hoping to keep from doing that to all of our users AGAIN.
>
> I would LOVE to be able to wish-away all backward compat issues, but
> they exist and they ARE REAL.
>
> So, if we're going to add code that breaks compat with older clients,
> I'd rather:
>
>  - make BIG changes that benefit us a lot more than just changing the
> compression format
>  - work on a new standard.
>
> -sv
>
>
So you are saying you would purposely using the xz switch?

In my case I have no problems using it. Smart supports the decompression of
xz'd xml files. It's not even the case of me breaking backwards-compat repo.

Adding an option and using it are two separate issues.
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