$ git clone -n https://gitee.com/src-opencloudos-rpms/libtdb.git /var/lib/mock/dist-oc9-build-70528-47444/root/chroot_tmpdir/scmroot/libtdb
Cloning into '/var/lib/mock/dist-oc9-build-70528-47444/root/chroot_tmpdir/scmroot/libtdb'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtdb
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21c1feb import libtdb-1.4.9-1.tl4