$ git clone -n https://gitee.com/opencloudos-stream/py-radix.git /var/lib/mock/dist-oc9-epol-build-77766-52868/root/chroot_tmpdir/scmroot/py-radix
Cloning into '/var/lib/mock/dist-oc9-epol-build-77766-52868/root/chroot_tmpdir/scmroot/py-radix'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/py-radix
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3f65bf package init