$ git clone -n https://gitee.com/src-opencloudos-rpms/scotch.git /var/lib/mock/dist-oc9-build-53375-14748/root/chroot_tmpdir/scmroot/scotch
Cloning into '/var/lib/mock/dist-oc9-build-53375-14748/root/chroot_tmpdir/scmroot/scotch'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/scotch
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbdd133 import scotch-7.0.3-2.tl4