Adding freenet module

modules/module-list.nix

@@ -132,6 +132,7 @@
   ./services/networking/ejabberd.nix
   ./services/networking/firewall.nix
   ./services/networking/flashpolicyd.nix
+  ./services/networking/freenet.nix
   ./services/networking/git-daemon.nix
   ./services/networking/gnunet.nix
   ./services/networking/gogoclient.nix

modules/services/networking/freenet.nix

@@ -0,0 +1,63 @@
+# NixOS module for Transmission BitTorrent daemon
+
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  cfg = config.services.freenet;
+  varDir = "/var/lib/freenet";
+
+in
+
+{
+
+  ### configuration
+
+  options = {
+
+    services.freenet = {
+
+      enable = mkOption {
+        type = types.uniq types.bool;
+        default = false;
+        description = "Enable the Freenet daemon";
+      };
+
+      nice = mkOption {
+        type = types.uniq types.int;
+        default = 10;
+        description = "Set the nice level for the Freenet daemon";
+      };
+
+    };
+
+  };
+
+  ### implementation
+
+  config = mkIf cfg.enable {
+
+    systemd.services.freenet = {
+      description = "Freenet daemon";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig.ExecStart = "${pkgs.freenet}/bin/freenet";
+      serviceConfig.User = "freenet";
+      serviceConfig.UMask = "0007";
+      serviceConfig.WorkingDirectory = varDir;
+      serviceConfig.Nice = cfg.nice;
+    };
+
+    users.extraUsers.freenet = {
+      group = "freenet";
+      description = "Psyced daemon user";
+      home = varDir;
+      createHome = true;
+    };
+
+    users.extraGroups.freenet = {};
+  };
+
+}