ma umts module: add missing module from stable

makefu/3modules/default.nix

@@ -15,6 +15,7 @@ _:
     ./torrent.nix
     ./udpt.nix
     ./umts.nix
+    ./wvdial.nix
   ];
 }
 

makefu/3modules/wvdial.nix

@@ -0,0 +1,70 @@
+{ config, lib, pkgs, ... }:
+# from 17.03/nixos/modules/programs/wvdial.nix
+
+with lib;
+
+let
+
+  configFile = ''
+    [Dialer Defaults]
+    PPPD PATH = ${pkgs.ppp}/sbin/pppd
+    ${config.environment.wvdial.dialerDefaults}
+  '';
+
+  cfg = config.environment.wvdial;
+
+in
+{
+  ###### interface
+
+  options = {
+
+    environment.wvdial = {
+
+      dialerDefaults = mkOption {
+        default = "";
+        type = types.str;
+        example = ''Init1 = AT+CGDCONT=1,"IP","internet.t-mobile"'';
+        description = ''
+          Contents of the "Dialer Defaults" section of
+          <filename>/etc/wvdial.conf</filename>.
+        '';
+      };
+
+      pppDefaults = mkOption {
+        default = ''
+          noipdefault
+          usepeerdns
+          defaultroute
+          persist
+          noauth
+        '';
+        type = types.str;
+        description = "Default ppp settings for wvdial.";
+      };
+
+    };
+
+  };
+
+  ###### implementation
+
+  config = mkIf (cfg.dialerDefaults != "") {
+
+    environment = {
+
+      etc =
+      [
+        { source = pkgs.writeText "wvdial.conf" configFile;
+          target = "wvdial.conf";
+        }
+        { source = pkgs.writeText "wvdial" cfg.pppDefaults;
+          target = "ppp/peers/wvdial";
+        }
+      ];
+
+    };
+
+  };
+
+}