$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Params-Classify.git /var/lib/mock/dist-oc9-build-62797-16463/root/chroot_tmpdir/scmroot/perl-Params-Classify
Cloning into '/var/lib/mock/dist-oc9-build-62797-16463/root/chroot_tmpdir/scmroot/perl-Params-Classify'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Params-Classify
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcc894e import perl-Params-Classify-0.015-5.tl4