[Rpm-metadata] discussion of createrepo and repodata format future

[seth vidal]

On Fri, 2010-08-06 at 08:34 -0400, seth vidal wrote:
> They shouldn't need to change at all.
> 
> In fact my original thoughts were that repomd.xml doesn't need to
> change, except to add an attribute of 'compression type' to each
> datatype.
> 

One more item that had occurred to me for repomd.xml - it would be nice
to be able to, optionally, have an expiration on the metadata so that a
client could know when the data SHOULD have been updated so it can be
sure it is not being intentionally shown out of date information by a
rogue server.

-sv