nixos/wavemon: create module

nixos/modules/module-list.nix

@@ -125,6 +125,7 @@
   ./programs/udevil.nix
   ./programs/venus.nix
   ./programs/vim.nix
+  ./programs/wavemon.nix
   ./programs/way-cooler.nix
   ./programs/wireshark.nix
   ./programs/xfs_quota.nix

nixos/modules/programs/wavemon.nix

@@ -0,0 +1,28 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.wavemon;
+in {
+  options = {
+    programs.wavemon = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to add wavemon to the global environment and configure a
+          setcap wrapper for it.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [ wavemon ];
+    security.wrappers.wavemon = {
+      source = "${pkgs.wavemon}/bin/wavemon";
+      capabilities = "cap_net_admin+ep";
+    };
+  };
+}