2 files changed, 42 insertions, 1 deletions

diff --git a/hosts/sif/default.nix b/hosts/sif/default.nix
index af845bc1..c1bae599 100644
--- a/hosts/sif/default.nix
+++ b/hosts/sif/default.nix
@@ -115,7 +115,7 @@
     };
 
     environment.systemPackages = with pkgs; [
-      nvtop brightnessctl config.boot.kernelPackages.v4l2loopback s-tui
+      nvtop brightnessctl config.boot.kernelPackages.v4l2loopback s-tui uhk-agent
     ];
 
     services = {
diff --git a/overlays/uhk-agent.nix b/overlays/uhk-agent.nix
new file mode 100644
index 00000000..3110c835
--- /dev/null
+++ b/overlays/uhk-agent.nix
@@ -0,0 +1,41 @@
+final: prev:
+{
+  uhk-agent = 
+    let
+      version = "1.5.14";
+
+      image = prev.stdenv.mkDerivation {
+        name = "uhk-agent-image";
+        src = prev.fetchurl {
+          url = "https://github.com/UltimateHackingKeyboard/agent/releases/download/v${version}/UHK.Agent-${version}-linux-x86_64.AppImage";
+          hash = "sha256-D3sLjhWoeFVGgsFJo7/vsx4Dh8RsE+S6AA8z4Hsk8Ps=";
+        };
+        buildCommand = ''
+          install -m 0644 $src $out
+        '';
+      };
+
+      appimage-run' = prev.appimage-run.override {
+        extraPkgs = p: with p; [
+          at-spi2-core
+        ];
+      };
+      
+      runScript = prev.writeShellScript "run-uhk-agent" ''
+        exec -- ${appimage-run'}/bin/appimage-run ${image}
+      '';
+
+      udevRules = prev.writeText "uhk60.rules" ''
+        # Ultimate Hacking Keyboard rules
+        # These are the udev rules for accessing the USB interfaces of the UHK as non-root users.
+        # Copy this file to /etc/udev/rules.d and physically reconnect the UHK afterwards.
+        SUBSYSTEM=="input", GROUP="input", MODE="0664"
+        SUBSYSTEMS=="usb", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="612[0-7]", MODE:="0664", GROUP="plugdev"
+        KERNEL=="hidraw*", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="612[0-7]", MODE:="0664", GROUP="plugdev"
+      '';
+    in prev.runCommand "uhk-agent" {} ''
+        mkdir -p $out/bin $out/etc/udev/rules.d
+        install -m 0755 ${runScript} $out/bin/uhk-agent
+        install -m 0644 ${udevRules} $out/etc/udev/rules.d/50-uhk60.rules
+      '';
+}