Bug#248037: package-versions is extremly slow
> grep-dctrl is your friend ...
Yet another tool I don't use very often. :)
But it does not really solve the problem I wanted to solve using
package-versions. grep-dctrl isn't available within d-i, and I
normally use package-version from within d-i.
But I guess we can drop the call to package-version in the
prebaseconfig script, and copy the status file instead.
Also, I'll rewrite package-version to a faster version, based on