fatal: Could not parse object '61eb512e63e0e4ba7c11e3e0b9a0e8f0a9d22fac'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at 61eb512 Added shell utilities path helper.
61eb512e63e0e4ba7c11e3e0b9a0e8f0a9d22fac