On Mon, 2008-11-10 at 11:02 -0800, Jesse Keating wrote: > On Mon, 2008-11-10 at 12:52 -0600, Callum Lerwick wrote: > > Debian can do this. The only reason we can not is because we refuse > > to. > > And so far we refuse to be cause we allow free-form scriptlets in rpms. And as I was trying to point out, this doesn't stop you from uninstalling a package and installing an older version. Some concrete examples of scriptlets that would break rollback would be helpful here. Right now we're in hypothetical handwavy land. > It would be interesting to see how one would upgrade say mysql major > version and then roll it back all via packaging. Something that > requires changing the on disk format of your databases and such. We went over this in another thread. We really ought to be packaging mysql major versions as parallel installable packages. Or slap upstream(s) with a salmon until they stop changing on-disk formats in backward-incompatible manners...
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