$ git clone -n https://gitee.com/src-opencloudos-rpms/elfutils.git /var/lib/mock/dist-oc9-build-59369-16463/root/chroot_tmpdir/scmroot/elfutils
Cloning into '/var/lib/mock/dist-oc9-build-59369-16463/root/chroot_tmpdir/scmroot/elfutils'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/elfutils
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88d6c36 import elfutils-0.189-2.tl4