Bug#122387: ITP: apt-show-versions - Lists availlable package versions with
apt-show-versions parses the dpkg status file and the APT
lists for the installed and availlable package versions
and distribution and shows upgrade options within the
specific distribution of the selected package.
This is really usefull if you have a mixed stable/testing
environment and want to list all packages which are from
testing and can be upgraded in testing.
This is a perl script I wrote. You can have a look at it at: