anchor.diff:        requiredGems = [ g.hike_1_2_1 g.tilt_1_3_3 ];
         sha256 = ''15ngw3bjbyr31ygzmmdxxa30ylah6pdn8akgdy9w30vfx2vr7s7s'';
       };
  +    systemu_2_5_2 = {
  +      basename = ''systemu'';
  +      meta = {
  +        description = ''systemu'';
  +        homepage = ''https://github.com/ahoward/systemu'';
  +        longDescription = ''description: systemu kicks the ass'';
  +      };
  +      name = ''systemu-2.5.2'';
  +      requiredGems = [  ];
  +      sha256 = ''0h834ajdg9w4xrijp31fn98pjfj08gi08xjvp5xh3i6hz9a25fhr'';
  +    };
       thor_0_17_0 = {
         basename = ''thor'';
         meta = {
  
positive.code:       requiredGems = [  ];
        sha256 = ''1c52ndjqcxpgxhlclbxf98clcpni216xk5zgrkcd4px84riyjbmp'';
      };
      websocket_1_0_7 = {
        basename = ''websocket'';
        meta = {
  
negative.code:       requiredGems = [  ];
        sha256 = ''1cjwg6f9gj7w2n9916w12i1g97ngqqar44sc2r1x9ib5jicspb00'';
      };
      macaddr_1_6_1 = {
        basename = ''macaddr'';
        meta = {
          description = ''macaddr'';
          homepage = ''https://github.com/ahoward/macaddr'';
          longDescription = ''description: macaddr kicks the ass'';
        };
        name = ''macaddr-1.6.1'';
        requiredGems = [ g.systemu_2_5_2 ];
        sha256 = ''1vd9l1d0lc0sq3rn1ya816wrzgxxqdzq6pgq0y0435qm6ikwy7ch'';
      };
      mail_2_4_4 = {
        basename = ''mail'';
        meta = {
  