$ git clone -n https://gitee.com/src-opencloudos-rpms/python-flake8.git /var/lib/mock/dist-oc9-epol-build-54653-14768/root/chroot_tmpdir/scmroot/python-flake8
Cloning into '/var/lib/mock/dist-oc9-epol-build-54653-14768/root/chroot_tmpdir/scmroot/python-flake8'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-flake8
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d004f1 import python-flake8-4.0.1-3.tl4