$ git clone -n https://gitee.com/src-opencloudos-rpms/python-justbytes.git /var/lib/mock/dist-oc9-build-58749-16463/root/chroot_tmpdir/scmroot/python-justbytes
Cloning into '/var/lib/mock/dist-oc9-build-58749-16463/root/chroot_tmpdir/scmroot/python-justbytes'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-justbytes
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8a6c52 import python-justbytes-0.15-3.tl4