$ git clone -n https://gitee.com/src-opencloudos-rpms/ldns.git /var/lib/mock/dist-oc9-build-242467-82982/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/dist-oc9-build-242467-82982/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin f90669be452ea7d4cef69611578435584550a980:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ldns
 * [new ref]         f90669be452ea7d4cef69611578435584550a980 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f90669b import ldns-1.8.3-10.tl4