$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IO-Socket-IP.git /var/lib/mock/dist-oc9-build-71209-47532/root/chroot_tmpdir/scmroot/perl-IO-Socket-IP
Cloning into '/var/lib/mock/dist-oc9-build-71209-47532/root/chroot_tmpdir/scmroot/perl-IO-Socket-IP'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IO-Socket-IP
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7148a8c import perl-IO-Socket-IP-0.42-2.tl4