$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IO-Multiplex.git /var/lib/mock/dist-oc9-build-61261-16463/root/chroot_tmpdir/scmroot/perl-IO-Multiplex
Cloning into '/var/lib/mock/dist-oc9-build-61261-16463/root/chroot_tmpdir/scmroot/perl-IO-Multiplex'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IO-Multiplex
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6cac30 import perl-IO-Multiplex-1.16-5.tl4