$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Specio.git /var/lib/mock/dist-oc9-build-58384-16463/root/chroot_tmpdir/scmroot/perl-Specio
Cloning into '/var/lib/mock/dist-oc9-build-58384-16463/root/chroot_tmpdir/scmroot/perl-Specio'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Specio
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a05fc25 import perl-Specio-0.48-6.tl4