fatal: Could not parse object '50beaf4069bedf8e01e5aef54184daca1c1c2d3f'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 50beaf4 Added dev/jbruce. Changed the dev/CMakeList.txt to add this folder
50beaf4069bedf8e01e5aef54184daca1c1c2d3f