$ git clone -n https://gitee.com/ocs-upgrade/ldns.git /var/lib/mock/dist-ocs23-base-build-317678-33438/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/dist-ocs23-base-build-317678-33438/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/ldns
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36b5f32 Upgrade to version 1.8.4