$ git clone -n https://gitee.com/src-opencloudos-rpms/dlm.git /var/lib/mock/dist-oc9-build-40979-14591/root/chroot_tmpdir/scmroot/dlm
Cloning into '/var/lib/mock/dist-oc9-build-40979-14591/root/chroot_tmpdir/scmroot/dlm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dlm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc83bab import dlm-4.2.0-3.tl4