$ git clone -n https://gitee.com/src-opencloudos-rpms/libudfread.git /var/lib/mock/dist-oc9-epol-build-53612-14768/root/chroot_tmpdir/scmroot/libudfread
Cloning into '/var/lib/mock/dist-oc9-epol-build-53612-14768/root/chroot_tmpdir/scmroot/libudfread'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libudfread
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99f9b4f import libudfread-1.1.2-2.tl4