$ git clone -n https://gitee.com/src-opencloudos-rpms/python-arrow.git /var/lib/mock/dist-oc9-epol-build-53801-14768/root/chroot_tmpdir/scmroot/python-arrow
Cloning into '/var/lib/mock/dist-oc9-epol-build-53801-14768/root/chroot_tmpdir/scmroot/python-arrow'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-arrow
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3d65f8 import python-arrow-1.2.3-1.tl4