fatal: Could not parse object 'cddfb5eb0fb6f01b2556d8866c4f49b031545538'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at cddfb5e Mountain Goat with high-level CPGs and stable feet.
cddfb5eb0fb6f01b2556d8866c4f49b031545538