I have a number of mesa packages that I had upgraded to a PPA version, before purging the PPA so I could upgrade my system. The differences in the versions are minor (they are technically the same, just one set of libraries were from git and the others are the final versions).
If I try to downgrade via Synaptic, apt-get, or aptitude, I get thrown into dependency hell.
Is there a way to downgrade the packages manually (perhaps one by one) and mark their dependant packages as immovable (if that makes sense) until I am done?
P.S. this question: How to Downgrade a Package via apt-get? is a bit different and doesn't help this situation.