When should a package be ubuntu-versioned?

Matt Zimmerman mdz at ubuntu.com
Wed Jan 4 17:54:27 GMT 2006

On Sat, Dec 31, 2005 at 12:30:32AM -0800, Mike Bird wrote:
> There are packages in the repository with exactly the same names
> as Debian packages but with different dependencies.  This is
> creating havoc with some of our tools.
> What I need to know is whether this is an error for which bug
> reports should be filed against the changed Ubuntu packages, or
> whether it is permitted in which case we have to make some
> changes to our tools.
> Example: python-imaging_1.1.5-4_all.deb

A package should use 'ubuntu' version numbering if it originated in Debian
and its source has been modified in Ubuntu.

Ubuntu binary packages differ from Debian binary packages with the same
version number, but this is expected and not a bug.  Mixing Debian and
Ubuntu binary packages on the same system is doomed due to limitations and
assumptions in the packaging system, and is therefore unsupportable.

 - mdz

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