anchor.diff:      users.users."${cfg.user}" = {
         isSystemUser = true;
         group = cfg.group;
  +      home = cfg.home;
  +      createHome = true;
       };
   
       users.groups."${cfg.group}" = {};
  
positive.code:         User = cfg.user;
          Group = cfg.group;
          PrivateTmp = true;
          PermissionsStartOnly = true;
          LimitNOFILE = 102642;
        };
      };
  
negative.code:       preStart = ''
          mkdir -p ${cfg.home}/nexus3/etc
  
          if [ ! -f ${cfg.home}/nexus3/etc/nexus.properties ]; then
            echo "# Jetty section" > ${cfg.home}/nexus3/etc/nexus.properties
            echo "application-port=${toString cfg.listenPort}" >> ${cfg.home}/nexus3/etc/nexus.properties
  