if fail give a more useful message... todo make better.
if fail give a more useful message... todo make better.

ros/catkin,wkentaro/catkin,wkentaro/catkin,scpeters/catkin,thaddeustaylor/catkin,wkentaro/catkin,asmodehn/catkin,asmodehn/catkin,beni55/catkin,thaddeustaylor/catkin,scpeters/catkin,scpeters/catkin,harmishhk/catkin,meyerj/catkin,jack-oquin/catkin,meyerj/catkin,shyamalschandra/catkin,harmishhk/catkin,meyerj/catkin,beni55/catkin,harmishhk/catkin,asmodehn/catkin,jack-oquin/catkin,ros/catkin,shyamalschandra/catkin,ros/catkin,thaddeustaylor/catkin,jack-oquin/catkin,beni55/catkin,shyamalschandra/catkin