$ git clone -n https://gitee.com/src-opencloudos-rpms/python-dataclasses.git /var/lib/mock/dist-oc9-build-53146-14748/root/chroot_tmpdir/scmroot/python-dataclasses
Cloning into '/var/lib/mock/dist-oc9-build-53146-14748/root/chroot_tmpdir/scmroot/python-dataclasses'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-dataclasses
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a162f2d import python-dataclasses-0.8-1.tl4