digraph rpmpackaging {
        rankdir=LR;

        subgraph cluster_completeprocess {
                // rpmbuild output
                rpmbuild [shape="box"];
                
                rpmbuild -> SRPM;
                rpmbuild -> bRPM;
                
                
                // inputs to rpmbuild
                specfile -> rpmbuild ;
                tarball -> rpmbuild ;
                
                mwc [shape="box" label="mwc.pl"];
                rpmscript [shape="box" label="*_rpm.sh script"];
                
                mwc -> specfile;
                mwc -> rpmscript;
                rpmscript -> tarball;

                mwcfiles [label=".mwc files"];

                mwcfiles -> mwc;

                
        }
}