$ git clone -n https://gitee.com/src-opencloudos-rpms/rpm.git /var/lib/mock/dist-oc9-build-81830-56082/root/chroot_tmpdir/scmroot/rpm
Cloning into '/var/lib/mock/dist-oc9-build-81830-56082/root/chroot_tmpdir/scmroot/rpm'...
$ git fetch origin 593d582716df12a0c5de71e1f59e5e9e31334a0b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rpm
 * [new ref]         593d582716df12a0c5de71e1f59e5e9e31334a0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 593d582 import rpm-4.18.2-2.tl4