$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-WWW-RobotRules.git /var/lib/mock/dist-oc9-build-43943-14591/root/chroot_tmpdir/scmroot/perl-WWW-RobotRules
Cloning into '/var/lib/mock/dist-oc9-build-43943-14591/root/chroot_tmpdir/scmroot/perl-WWW-RobotRules'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-WWW-RobotRules
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d16795e import perl-WWW-RobotRules-6.02-3.tl4