$ git clone -n https://gitee.com/bili_0/cloud-hypervisor.git /var/lib/mock/dist-an8.9-build-413685-72834/root/chroot_tmpdir/scmroot/cloud-hypervisor
Cloning into '/var/lib/mock/dist-an8.9-build-413685-72834/root/chroot_tmpdir/scmroot/cloud-hypervisor'...
$ git fetch origin 171b28ce5250283a49021a46847f9f55c9c9cad5:KOJI_FETCH_HEAD
From https://gitee.com/bili_0/cloud-hypervisor
 * [new ref]           171b28ce5250283a49021a46847f9f55c9c9cad5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 171b28ce hypervisor, vmm: Avoid leaking hypervisor specific data structure