$ git clone -n https://gitee.com/src-opencloudos-rpms/python-readme-renderer.git /var/lib/mock/dist-oc9-epol-build-54167-14768/root/chroot_tmpdir/scmroot/python-readme-renderer
Cloning into '/var/lib/mock/dist-oc9-epol-build-54167-14768/root/chroot_tmpdir/scmroot/python-readme-renderer'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-readme-renderer
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebad2ee import python-readme-renderer-37.3-2.tl4