interaktives "apt-get upgrade" (Fragen) automatisieren?

["Simon Jolle" <urandomdev@gmail.com>]

Hallo Liste

Ich benutze Debian Testing. Wie automatisiere ich am besten
interaktive Fragen wie unten? Welche Möglichkeiten bietet mir Debian?
RHEL erstellt *.rpmsave, *.rpmnew, *.rpmorig,... der Config Files.

[...]
A new version of configuration file /etc/default/sysstat is available, but your
version has been locally modified.

 1. install the package maintainer's version
 2. keep your currently-installed version
 3. show the differences between the versions
 4. show a side-by-side difference between the versions
 5. show a 3 way difference between available versions of the file
 6. do a 3 way merge between available versions of the file [Very Experimental]
 7. start a new shell to examine the situation

What would you like to do about sysstat? 2
[...]