$ git clone -n https://gitee.com/src-opencloudos-rpms/lvm2.git /var/lib/mock/dist-oc9-build-70710-47462/root/chroot_tmpdir/scmroot/lvm2
Cloning into '/var/lib/mock/dist-oc9-build-70710-47462/root/chroot_tmpdir/scmroot/lvm2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lvm2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf62646 import lvm2-2.03.21-5.tl4