mass rebuild status

Kevin Fenzi kevin at
Wed Feb 9 03:49:00 UTC 2011

On Tue, 8 Feb 2011 20:00:44 -0500
Josh Boyer <jwboyer at> wrote:

> I believe this wiki page should have been included in the announce
> mail:
> For those that don't particularly follow devel day-to-day, the blurb
> about the XZ change is pretty uninformative.  I've tried to dig back a
> bit and it seems the XZ change is to pick up XZ 5.0.  It seems the
> rebuild was done to fix Delta RPM generation?  From a package
> standpoint, will that mean that F14 is incapable of reading F15 RPMs?
> Does that impact mock?

The only case it hits is deltas. If you have a package that was built
in f14, and then a update happens in f15, the delta wouldn't work
right. (At least this is my understanding). 

mock shouldn't be affected, nor should f14/f15 rpm read interop. 

> I'd be happy to flesh out the change a bit more in detail if someone
> could point me at what is really changing in terms of XZ compression
> and what it means going forward.  Better late than never.

Yeah, I wish I could find a good cite... 
Perhaps the deltarpm and/or xz maintainers could chime in with the
exact info. 


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