$ git clone -n https://gitee.com/zhuhong_bo/kernel /var/lib/mock/dist-an7-els-build-400497-72355/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/dist-an7-els-build-400497-72355/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin a7:KOJI_FETCH_HEAD
From https://gitee.com/zhuhong_bo/kernel
 * [new branch]      a7         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb5b0c6 update to kernel-3.10.0-1160.125.1