$ git clone -n https://gitee.com/opencloudos-stream/hyphen-mr.git /var/lib/mock/dist-oc9-epol-build-119012-69925/root/chroot_tmpdir/scmroot/hyphen-mr
Cloning into '/var/lib/mock/dist-oc9-epol-build-119012-69925/root/chroot_tmpdir/scmroot/hyphen-mr'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/hyphen-mr
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c04bb18 update