On Fri, 2008-10-24 at 15:49 -0700, Skahan, Vince wrote: > How would the system know what version to downgrade to ?
User specified or, whatever is lowest? > Consider the > case where you've done multiple updates of a particular package along > the way and you want to go to some intermediate step, or where multiple > old versions exist in the repo(s) you have enabled. oh, I know - the complications are without bound. Most users don't think about this. They just want to downgrade back, magically, to functionality. > How would the system know where to get the rpm from (again) to do the > downgrade ? I've seen cases where intermediate versions disappear from > some of the official repo mirrors in past Fedoras as time progressed. Whatever is in the repodata is available. If it is not in the data, then it can't happen. > How would you address the reverse-requires issue ? Yum has a great > 'resolve deps when installing package-XYZ' feature where it figures out > what other things you should have asked for as corequisites. Would you > get into a position where you'd need to calculate which > previously-upgraded versions of other rpms would need to be backed down > too (example - downgrade net-snmp which should downgrade its libs too, > etc.) Yes, theoretically the depsolving should sort of work for downgrades. In practice it is not likely to. -sv _______________________________________________ Yum-devel mailing list Yum-devel@lists.baseurl.org http://lists.baseurl.org/mailman/listinfo/yum-devel
