New tool to check support status of dependencies

[Martin Pitt]

Hello fellow developers,

A common source of unnoticed depwaits or uninstallability are main packages
which introduce new build or binary dependencies from universe. These either
require fixing, or filing a main inclusion report.

To help with this, I added a new check-mir script into ubuntu-dev-tools version
0.110, which walks through all build and binary dependencies, checks if they
are in main/restricted, also considers alternative dependencies, and create a
report with a few hints.

For a main package where everything is alright, it looks like this:

----------------------------
$ check-mir
Checking support status of build dependencies...

Checking support status of binary dependencies...
All dependencies are supported in main or restricted.
----------------------------

Example output for a totally synthetic situation with universe dependencies,
non-preferred alternatives in main, and other special cases:

----------------------------
Checking support status of build dependencies...
 * pmount binary and source package is in universe
  ... alternative libexif-dev is already in main; consider preferring it
 * weechat binary and source package is in universe
 * sendmail-bin is in universe, but its source sendmail is already in main; file an ubuntu-archive bug for promoting the current preferred alternative

Checking support status of binary dependencies...
 * wesnot does not exist (pure virtual?)
 * wesnoth binary and source package is in universe

Please check https://wiki.ubuntu.com/MainInclusionProcess if this source package needs to get into in main/restricted, or reconsider if the package really needs above dependencies.
----------------------------

It's suggested that you run this after merging from Debian, or
packaging a new source.

Thanks,

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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