$ git clone -n https://gitee.com/src-opencloudos-rpms/python-constantly.git /var/lib/mock/dist-oc9-build-47733-14592/root/chroot_tmpdir/scmroot/python-constantly
Cloning into '/var/lib/mock/dist-oc9-build-47733-14592/root/chroot_tmpdir/scmroot/python-constantly'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-constantly
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b54101 import python-constantly-15.1.0-3.tl4