Dear Maintainer,

Hello,

During a release I would like to move some packages from a testing
distribution to a proposed-updates one.

I first try to add a Pull configuration to my proposed-updates, from the
testing one, but as the proposed-updates is empty, every packages from
testing are seen as “newly installed”.

I would like to:

- build a diff between “testing” and the “sum” of “stable”, “updates”
  and “proposed”, in FilterList format with “<package> = <version>”

- review the list to remove any packages I want to exclude

- run “reprepro pull proposed-updates” with the modified diff as
  FilterList

Regards.