$ git clone -n https://gitee.com/opencloudos-stream/ldns.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-268587-25779/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-268587-25779/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ldns
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe5f32f Rebuilt for loongarch release