$ git clone -n https://gitee.com/src-opencloudos-rpms/festival.git /var/lib/mock/dist-oc9-build-49977-14595/root/chroot_tmpdir/scmroot/festival
Cloning into '/var/lib/mock/dist-oc9-build-49977-14595/root/chroot_tmpdir/scmroot/festival'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/festival
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ade746a import festival-2.5.0-3.tl4