anchor.diff:        })
       ];
       /* TODO: separate docs derivation? (pandoc is heavy)
  -    nativeBuildInputs = [ pandoc ];
  -    makeFlags = [ "-C doc" "lua-http.html" "lua-http.3" ];
  +      nativeBuildInputs = [ pandoc ];
  +      makeFlags = [ "-C doc" "lua-http.html" "lua-http.3" ];
       */
     });
   
     ldbus = prev.luaLib.overrideLuarocks prev.ldbus (drv: {
       extraVariables = {
  -      DBUS_DIR="${pkgs.dbus.lib}";
  -      DBUS_ARCH_INCDIR="${pkgs.dbus.lib}/lib/dbus-1.0/include";
  -      DBUS_INCDIR="${pkgs.dbus.dev}/include/dbus-1.0";
  +      DBUS_DIR = "${pkgs.dbus.lib}";
  +      DBUS_ARCH_INCDIR = "${pkgs.dbus.lib}/lib/dbus-1.0/include";
  +      DBUS_INCDIR = "${pkgs.dbus.dev}/include/dbus-1.0";
       };
       buildInputs = with pkgs; [
         dbus
  
positive.code:       { name = "LIBUUID"; dep = pkgs.libuuid; }
      ];
      disabled = luaOlder "5.1" || (luaAtLeast "5.4");
    })).overrideAttrs(oa: {
      meta = oa.meta // {
        platforms = pkgs.lib.platforms.linux;
      };
  
negative.code:     ];
    });
  
    luaunbound = prev.luaLib.overrideLuarocks prev.luaunbound (drv: {
      externalDeps = [
        { name = "libunbound"; dep = pkgs.unbound; }
      ];
  