I'm not sure if this is the right place.

We are trying to fix a bug and running into a problem.
http://kforge.ros.org/turtlebot/trac/ticket/134
If we have a post install script to edit the launch files, how do we
prevent the launch files from being wiped out when a user updates their
system.

So as far as I can tell it looks like launch files are not correctly
marked as config files in the Debian.
http://www.debian.org/doc/manuals/maint-guide/dother.en.html#conffiles

Is this problem solvable in the near term?

Thanks,
Bill

-- 
Bill Morris <bill@iheartengineering.com>
I Heart Engineering
http://www.iheartengineering.com
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