$ git clone -n https://gitee.com/src-opencloudos-rpms/aardvark-dns.git /var/lib/mock/dist-oc9-build-58655-16463/root/chroot_tmpdir/scmroot/aardvark-dns
Cloning into '/var/lib/mock/dist-oc9-build-58655-16463/root/chroot_tmpdir/scmroot/aardvark-dns'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/aardvark-dns
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f342a65 import aardvark-dns-1.6.0-4.tl4