$ git clone -n https://gitee.com/src-opencloudos-rpms/libdmx.git /var/lib/mock/dist-oc9-build-42092-14591/root/chroot_tmpdir/scmroot/libdmx
Cloning into '/var/lib/mock/dist-oc9-build-42092-14591/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 5b07e87 import libdmx-1.1.4-3.tl4