Comment 1 for bug 331085

From #ubuntu-installer...

Feb 17 17:02:34 <cjwatson> kirkland: so, to summarise, exiting in 'prerm remove' is the right answer and you should do it
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Feb 17 17:03:18 <cjwatson> kirkland: you should do it as early as possible in 'prerm remove' before cleaning up anything else (if applicable). If you do it after something else, make sure that 'postinst abort-remove' undoes it.

:-Dustin