On Thu, 2009-08-06 at 01:08 +0300, Dmitrijs Ledkovs wrote: > 2009/8/1 Andrew Sayers <andrew-ubuntu-de...@pileofstuff.org>: > > When you add a repository to your computer, then remove that repository, > > it's not obvious how to downgrade packages that are no longer available. > > > > https://edge.launchpad.net/~xorg-edgers/+archive/ppa/+files/ppa-purge_0.2.2~jaunty.dsc > > Removes a ppa and downgrades that was pulled from it. > > AWESOME =)
Indeed Dima! Seb had also pointed me to it today. But, still, Michael's observations still apply: we must be careful on downgrading, pretty much like we are careful when upgrading, possibly even more: differences on configuration files, or how data is handled, may cause serious problems. It *is* possible, and the ppa-purge script shows it. But... much more care will have to be taken to get from this point to something that can be provided to not-so-experienced-users-if-at-all. But I was really happy to see that we (up to now, Andrew, Michael, myself, and you; well, and Sebastien) were not the only ones thinking about it (even if Seb, like Michael, is unsure). Hell, *I* am unsure! But it would really be nice. In my case, I am usually on the road, so I only have my personal laptop as a testbed. Being able to test/try something, and revert back with minimal effort, is a really good gain.
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