$ git clone -n https://gitee.com/src-opencloudos-rpms/libdmx.git /var/lib/mock/dist-oc9-build-70296-47415/root/chroot_tmpdir/scmroot/libdmx
Cloning into '/var/lib/mock/dist-oc9-build-70296-47415/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 3dad057 import libdmx-1.1.5-1.tl4