$ git clone -n https://gitee.com/src-opencloudos-rpms/opendnssec.git /var/lib/mock/dist-oc9-build-70954-47493/root/chroot_tmpdir/scmroot/opendnssec
Cloning into '/var/lib/mock/dist-oc9-build-70954-47493/root/chroot_tmpdir/scmroot/opendnssec'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/opendnssec
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8e9079 import opendnssec-2.1.12-5.tl4