When creating a new catkin workspace, building it and then sourcing
ROS_PACKAGE_PATH is populated with paths from individual packages instead of only the root directory that contains all the packages. The packages are still found when calling
roslaunch and all works fine, but my understanding is that
ROS_PACKAGE_PATH should only contain the root directory. For example, I create a new catkin workspace:
source /opt/ros/melodic/setup.bash echo $ROS_PACKAGE_PATH # prints /opt/ros/melodic/share mkdir -p $HOME/test_ws/src cd $HOME/test_ws/src catkin_init_workspace #copy / create packages pkg1, pkg2, ... cd $HOME/test_ws catkin build source devel/setup.bash echo $ROS_PACKAGE_PATH # at this point, i would expect #$HOME/test_ws/src:/opt/ros/melodic/share, instead i get #$HOME/test_ws/src/pkg1:$HOME/test_ws/src/pkg2:/opt/ros/melodic/share
Is this the normal behavior or am I doing something wrong here?