$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-DBI.git /var/lib/mock/dist-oc9-build-243607-83144/root/chroot_tmpdir/scmroot/perl-DBI
Cloning into '/var/lib/mock/dist-oc9-build-243607-83144/root/chroot_tmpdir/scmroot/perl-DBI'...
$ git fetch origin 9cce432ec7712bc77d5cefb04e716b78ad0d0139:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-DBI
 * [new ref]         9cce432ec7712bc77d5cefb04e716b78ad0d0139 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cce432 import perl-DBI-1.650-1.tl4