$ git clone -n https://gitee.com/src-opencloudos-rpms/dhcp.git /var/lib/mock/dist-oc9-build-252925-84246/root/chroot_tmpdir/scmroot/dhcp
Cloning into '/var/lib/mock/dist-oc9-build-252925-84246/root/chroot_tmpdir/scmroot/dhcp'...
$ git fetch origin af507f562781bb4810022f09ef2bca5e1c193d51:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dhcp
 * [new ref]         af507f562781bb4810022f09ef2bca5e1c193d51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af507f5 import dhcp-4.4.3-9.P1.tl4