$ git clone -n https://gitee.com/src-opencloudos-rpms/libdmx.git /var/lib/mock/dist-oc8-build-229127-81287/root/chroot_tmpdir/scmroot/libdmx
Cloning into '/var/lib/mock/dist-oc8-build-229127-81287/root/chroot_tmpdir/scmroot/libdmx'...
$ git fetch origin 3cfb770ca645332e2568426bdc02523254e0c65c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libdmx
 * [new ref]         3cfb770ca645332e2568426bdc02523254e0c65c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cfb770 import libdmx-1.1.4-4.tl3