$ git clone -n https://gitee.com/src-opencloudos-rpms/libdmx.git /var/lib/mock/dist-oc9-build-60225-16463/root/chroot_tmpdir/scmroot/libdmx
Cloning into '/var/lib/mock/dist-oc9-build-60225-16463/root/chroot_tmpdir/scmroot/libdmx'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libdmx
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07fbf04 import libdmx-1.1.4-4.tl4