$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Params-Validate.git /var/lib/mock/dist-oc9-build-43793-14591/root/chroot_tmpdir/scmroot/perl-Params-Validate
Cloning into '/var/lib/mock/dist-oc9-build-43793-14591/root/chroot_tmpdir/scmroot/perl-Params-Validate'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Params-Validate
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a26cfc import perl-Params-Validate-1.30-4.tl4