> > I may have missed something but why can't the changed/merged > > configuration files be saved somewhere in preinstall phase and the > > [...] > > Well, for configuration files that require the unpacked > package to generate, you can't ask during preconfiguration. For files > created using non essential packages, you need to wait until > postinst, or else those utilities may not be available.
I have a feeling that these cases are actually quite rare. At least with a little help, the developers currently facing those few cases would most likely be able to split their packages so that proper pre-depends could be applied. Or am I provably being too optimistic? - Jarno