Improve the way rpm decides what is newer

[Michael Schwendt]

On Sat, 21 Nov 2009 08:16:39 -0800, Adam wrote:

> I was going to suggest what seems an obvious alternative way to do what
> Christian wants, without changing anything in rpm. Instead of:
> 
> foobar-1.0-1.fc12.x86-64
> 
> have:
> 
> foobar-fc12-1.0-1.x86-64

Insufficient. 

Making %dist most-significant is only sufficient for ordinary %dist
upgrades, but doesn't replace everything %epoch is needed for: fixing
issues with upstream versioning schemes, reverting accidental upgrades,
resetting %version as a result of software project splits.