$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IO-stringy.git /var/lib/mock/dist-oc9-build-59110-16463/root/chroot_tmpdir/scmroot/perl-IO-stringy
Cloning into '/var/lib/mock/dist-oc9-build-59110-16463/root/chroot_tmpdir/scmroot/perl-IO-stringy'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IO-stringy
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ae0a5f import perl-IO-stringy-2.113-5.tl4