yum roll back option?

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On Sunday 14 January 2007 13:00, Nicolas Mailhot wrote:
>
> But then the *package* itself does not know this state. The system does.

   I'm sure I'm missing something - but if a package install changes a file - 
sat /etc/foo and saves the old in /etc/foo.rpmold - then at least in that 
case foo can be restored - all that needs be done is keep a history of things 
that were replaced so they can be restored.