In a previous article titled “The strength of Linux is in it's flexibility” I mentioned that I had mixed up different versions of Debian and reverted back to a pure version. Here's how I did it.
Read it here
Once that work has been completed you can call apt-show-versions again to choose the next package. Yes this is rather hands on. Yes it is time consuming. Yes, if you are confident enough you can script it so it is all done automatically but I prefer not to be surprised with a totally broken system. This sort of work requires judgment and knowledge of what you are doing. Still, if you are confident enough to mix up your system then you should be confident enough to fix it. If you are not that confident then let sleeping dogs lie