'roscd package' for catkin packages moves to nearly empty directory

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Hello,

I'm running ROS Groovy (Debian install) under Ubuntu 12.04. I noticed that when using 'roscd' to move into a catkin package that is installed in the system directories, I am taken to a nearly empty directory /opt/ros/groovy/share/package with (usually) just a package.xml file and cmake directory. The binaries and scripts for such packages typically live under /opt/ros/groovy/lib/package. I find this behavior somewhat odd and counter productive since in the good old days, I could use 'roscd package' to explore the files in a package. Here's an example:

$ roscd kobuki_driver
$ ls
cmake  package.xml

The actual driver files are in /opt/ros/groovy/lib/kobuki_driver:

$ cd /opt/ros/groovy/lib/kobuki_driver
$ ls
demo_kobuki_initialisation  demo_kobuki_simple_loop   version_info
demo_kobuki_sigslots        kobuki_velocity_commands

Do I have something wrong with my ROS setup? Running the startup command:

source /opt/ros/groovy/setup.bash

sets my ROS_PACKAGE_PATH to:

/opt/ros/groovy/share:/opt/ros/groovy/stacks

which does not include /opt/ros/groovy/lib but when I add it, it does not fix the problem.

I really hope this is not the expected behavior for catkin packages going forward.

Thanks!
patrick