$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Devel-PPPort.git /var/lib/mock/dist-oc9-build-43544-14591/root/chroot_tmpdir/scmroot/perl-Devel-PPPort
Cloning into '/var/lib/mock/dist-oc9-build-43544-14591/root/chroot_tmpdir/scmroot/perl-Devel-PPPort'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Devel-PPPort
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd21d06 import perl-Devel-PPPort-3.68-3.tl4