$ git clone -n https://src.fedoraproject.org/rpms/vrpn.git /var/lib/mock/f33-build-228036-49743/root/chroot_tmpdir/scmroot/vrpn
Cloning into '/var/lib/mock/f33-build-228036-49743/root/chroot_tmpdir/scmroot/vrpn'...
$ git reset --hard f29d1b0258a5423f1c0e4c9719e6184bffe7895c
HEAD is now at f29d1b0 Rebuild (jsoncpp)