$ git clone -n https://gitee.com/src-opencloudos-rpms/docbook-style-dsssl.git /var/lib/mock/dist-oc9-build-40992-14591/root/chroot_tmpdir/scmroot/docbook-style-dsssl
Cloning into '/var/lib/mock/dist-oc9-build-40992-14591/root/chroot_tmpdir/scmroot/docbook-style-dsssl'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/docbook-style-dsssl
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd27dbc import docbook-style-dsssl-1.79-3.tl4