fatal: Could not parse object 'dd2173ada34a5e420113df2605df21e8c60a589d'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at dd2173a Added information dumping script.
dd2173ada34a5e420113df2605df21e8c60a589d