$ git clone -n https://gitee.com/src-opencloudos-rpms/rpm.git /var/lib/mock/dist-oc8-build-67428-38807/root/chroot_tmpdir/scmroot/rpm
Cloning into '/var/lib/mock/dist-oc8-build-67428-38807/root/chroot_tmpdir/scmroot/rpm'...
$ git fetch origin 7e67c22ec97307cd9af728bb174a311593fa2f2e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rpm
 * [new ref]         7e67c22ec97307cd9af728bb174a311593fa2f2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e67c22 import rpm-4.14.3-28.tl3