$ git clone -n https://gitee.com/opencloudos-stream/dhcp.git /var/lib/mock/dist-ocs23-build-36440-2017/root/chroot_tmpdir/scmroot/dhcp
Cloning into '/var/lib/mock/dist-ocs23-build-36440-2017/root/chroot_tmpdir/scmroot/dhcp'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dhcp
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4dbb24 !1 Upgrade to 4.4.3-P1 Merge pull request !1 from kianli/master