ryzen-monitor-ng: init at 2.0.5

A userspace tool for setting and getting AMD CPU power
and performance parameters.

Relies on the ryzen_smu kernel module.

pkgs/by-name/ry/ryzen-monitor-ng/package.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "ryzen-monitor-ng";
+  version = "2.0.5-unstable-2023-11-05";
+
+  # Upstream has not updated ryzen_smu header version
+  # This fork corrects ryzen_smu header version and
+  # adds support for Matisse AMD CPUs.
+  src = fetchFromGitHub {
+    owner = "plasmin";
+    repo = "ryzen_monitor_ng";
+    rev = "8b7854791d78de731a45ce7d30dd17983228b7b1";
+    hash = "sha256-fcW2fEsCFliRnMFnboR0jchzVIlCYbr2AE6AS06cb6o=";
+  };
+
+  ## Remove binaries committed into upstream repo
+  preBuild = ''
+    rm src/ryzen_monitor
+  '';
+
+  makeTargets = [ "clean" "install" ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    mv ./src/ryzen_monitor $out/bin
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Access Ryzen SMU information exposed by the ryzen_smu driver";
+    homepage = "https://github.com/mann1x/ryzen_monitor_ng";
+    license = licenses.agpl3Only;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ phdyellow ];
+    mainProgram = "ryzen_monitor";
+  };
+}