$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-DBI.git /var/lib/mock/dist-oc8-build-250634-84016/root/chroot_tmpdir/scmroot/perl-DBI
Cloning into '/var/lib/mock/dist-oc8-build-250634-84016/root/chroot_tmpdir/scmroot/perl-DBI'...
$ git fetch origin 6acfa73f4f50027a5a70f0f90a7844892b730741:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-DBI
 * [new ref]         6acfa73f4f50027a5a70f0f90a7844892b730741 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6acfa73 import perl-DBI-1.641-3.tl3