$ git clone -n https://gitee.com/src-opencloudos-rpms/libatomic_ops.git /var/lib/mock/dist-oc9-build-46687-14592/root/chroot_tmpdir/scmroot/libatomic_ops
Cloning into '/var/lib/mock/dist-oc9-build-46687-14592/root/chroot_tmpdir/scmroot/libatomic_ops'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libatomic_ops
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2a2cbd import libatomic_ops-7.6.12-3.tl4