$ git clone -n https://gitee.com/src-opencloudos-rpms/libtdb.git /var/lib/mock/dist-oc8-build-74507-50638/root/chroot_tmpdir/scmroot/libtdb
Cloning into '/var/lib/mock/dist-oc8-build-74507-50638/root/chroot_tmpdir/scmroot/libtdb'...
$ git fetch origin e3d68307f6609188562511a10583f16f6e8ba867:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtdb
 * [new ref]         e3d68307f6609188562511a10583f16f6e8ba867 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3d6830 import libtdb-1.4.9-0.tl3