$ git clone -n https://gitee.com/opencloudos-stream/dhcpd-pools.git /var/lib/mock/dist-oc9-epol-build-90713-59098/root/chroot_tmpdir/scmroot/dhcpd-pools
Cloning into '/var/lib/mock/dist-oc9-epol-build-90713-59098/root/chroot_tmpdir/scmroot/dhcpd-pools'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dhcpd-pools
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3b48a4 package init