$ git clone -n https://gitee.com/opencloudos-stream/rpmbuild-order.git /var/lib/mock/dist-oc9-epol-build-106584-66845/root/chroot_tmpdir/scmroot/rpmbuild-order
Cloning into '/var/lib/mock/dist-oc9-epol-build-106584-66845/root/chroot_tmpdir/scmroot/rpmbuild-order'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rpmbuild-order
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b04a00 update