$ git clone -n https://src.fedoraproject.org/rpms/firecracker.git /var/lib/mock/f41-build-858311-168340/root/chroot_tmpdir/scmroot/firecracker
Cloning into '/var/lib/mock/f41-build-858311-168340/root/chroot_tmpdir/scmroot/firecracker'...
$ git reset --hard f9d7286c6c795e5837a8af412c8d0df7116b7158
HEAD is now at f9d7286 Update to version 1.9.1