$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Fedora-VSP.git /var/lib/mock/dist-oc9-build-129757-77951/root/chroot_tmpdir/scmroot/perl-Fedora-VSP
Cloning into '/var/lib/mock/dist-oc9-build-129757-77951/root/chroot_tmpdir/scmroot/perl-Fedora-VSP'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Fedora-VSP
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4cee3c import perl-Fedora-VSP-0.001-7.tl4