$ git clone -n https://gitee.com/wenyuzifang/ldns.git /var/lib/mock/dist-an23-build-470054-74061/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/dist-an23-build-470054-74061/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin ca3b7da3e4422c6651d6991653bb239cf0f6610c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ldns
 * [new ref]         ca3b7da3e4422c6651d6991653bb239cf0f6610c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca3b7da Update code from upstream