Excerpts from Peter Hercek's message of Thu Apr 09 13:27:44 +0300 2009:

Vesa Kaihlavirta wrote:

...

Another potential issue:

Imagine one of the uninstall.sh scripts having something nasty like the unimaginative rm -rf /.

Is this an acceptable risk Hi Vesa,

I hope you meant "rm -rf ./" otherwise removing root directory recursively would not be acceptable at all :)

Yes, I meant a situation where somebody had managed to put something harmful in your /usr/share/haskell/foobar/unregister.sh. And the new ghc package executes them all before upgrading, as root of course. --vk