$ git clone -n https://gitee.com/src-opencloudos-rpms/python-boto.git /var/lib/mock/dist-oc9-build-63259-16463/root/chroot_tmpdir/scmroot/python-boto
Cloning into '/var/lib/mock/dist-oc9-build-63259-16463/root/chroot_tmpdir/scmroot/python-boto'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-boto
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bab5b55 import python-boto-2.49.0-5.tl4