add openrgb

modules/software/openrgb.nix

@@ -0,0 +1,30 @@
+{
+  den.aspects.openrgb = {
+    nixos = { pkgs, lib, ... }:
+    let
+      no-rgb = pkgs.writeScriptBin "no-rgb" ''
+        #!/bin/sh
+        NUM_DEVICES=$(${pkgs.openrgb}/bin/openrgb --noautoconnect --list-devices | grep -E '^[0-9]+: ' | wc -l)
+
+        for i in $(seq 0 $(($NUM_DEVICES - 1))); do
+          ${pkgs.openrgb}/bin/openrgb --noautoconnect --device $i --mode static --color 000000
+        done
+      '';
+    in {
+      config = {
+        services.udev.packages = [ pkgs.openrgb ];
+        boot.kernelModules = [ "i2c-dev" ];
+        hardware.i2c.enable = true;
+
+        systemd.services.no-rgb = {
+          description = "no-rgb";
+          serviceConfig = {
+            ExecStart = "${no-rgb}/bin/no-rgb";
+            Type = "oneshot";
+          };
+          wantedBy = [ "multi-user.target" ];
+        };
+      };
+    };
+  };
+}