nixos/fcast-receiver: init module

nixos/doc/manual/release-notes/rl-2405.section.md

@@ -106,6 +106,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
 
 - [transfer-sh](https://github.com/dutchcoders/transfer.sh), a tool that supports easy and fast file sharing from the command-line. Available as [services.transfer-sh](#opt-services.transfer-sh.enable).
 
+- [FCast Receiver](https://fcast.org), an open-source alternative to Chromecast and AirPlay. Available as [programs.fcast-receiver](#opt-programs.fcast-receiver.enable).
+
 - [MollySocket](https://github.com/mollyim/mollysocket) which allows getting Signal notifications via UnifiedPush.
 
 - [Suwayomi Server](https://github.com/Suwayomi/Suwayomi-Server), a free and open source manga reader server that runs extensions built for [Tachiyomi](https://tachiyomi.org). Available as [services.suwayomi-server](#opt-services.suwayomi-server.enable).

nixos/modules/module-list.nix

@@ -177,6 +177,7 @@
   ./programs/environment.nix
   ./programs/evince.nix
   ./programs/extra-container.nix
+  ./programs/fcast-receiver.nix
   ./programs/feedbackd.nix
   ./programs/file-roller.nix
   ./programs/firefox.nix

nixos/modules/programs/fcast-receiver.nix

@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.fcast-receiver;
+in
+{
+  meta = {
+    maintainers = pkgs.fcast-receiver.meta.maintainers;
+  };
+
+  options.programs.fcast-receiver = {
+    enable = mkEnableOption (lib.mdDoc "FCast Receiver");
+    openFirewall = mkOption {
+      type = types.bool;
+      default = false;
+      description = lib.mdDoc ''
+        Open ports needed for the functionality of the program.
+      '';
+    };
+    package = mkPackageOption pkgs "fcast-receiver" { };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ cfg.package ];
+    networking.firewall = mkIf cfg.openFirewall {
+      allowedTCPPorts = [ 46899 ];
+    };
+  };
+}