pidgin: add module

(cherry picked from commit 4745c7a00d)

modules/misc/news.nix

@@ -560,6 +560,13 @@ in
           feature is slowly forthcoming.
         '';
       }
+
+      {
+        time = "2018-02-19T21:45:26+00:00";
+        message = ''
+          A new module is available: 'programs.pidgin'
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -39,6 +39,7 @@ let
     ./programs/man.nix
     ./programs/mercurial.nix
     ./programs/neovim.nix
+    ./programs/pidgin.nix
     ./programs/rofi.nix
     ./programs/ssh.nix
     ./programs/termite.nix

modules/programs/pidgin.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.pidgin;
+
+in
+
+{
+  meta.maintainers = [ maintainers.rycee ];
+
+  options = {
+    programs.pidgin = {
+      enable = mkEnableOption "Pidgin messaging client";
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.pidgin;
+        defaultText = "pkgs.pidgin";
+        description = "The Pidgin package to use.";
+      };
+
+      plugins = mkOption {
+        default = [];
+        example = literalExample "[ pkgs.pidgin-otr pkgs.pidgin-osd ]";
+        description = "Plugins that should be available to Pidgin.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ (cfg.package.override { inherit (cfg) plugins; }) ];
+  };
+}