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I recently added

deb quantal main

to my sources.list and did an upgrade. This has screwed a few things up and I would like to revert back to my previous package versions. Is there a way to do this with ppa-purge?

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Why don't you remove it from your sources.list? – nikhil Nov 28 '12 at 8:03

Not really, looks like you've inadvertently started a partial operating system upgrade! Your best bet is to probably just upgrade to 12.10!

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technically, it is possible to undo that (I have done so before, using a perl script provided by a community wiki page), but it really breaks the system – MiJyn Nov 24 '12 at 17:45

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