libratbag: init at v0.9.903

Add package libratbag and service module ratbagd
Libratbag contains ratbagd daemon and ratbagctl cli to configure
buttons, dpi, leds, etc. of gaming mice.
Add mvnetbiz to maintainers.

pkgs/os-specific/linux/libratbag/default.nix

@@ -0,0 +1,36 @@
+{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig
+, glib, systemd, udev, libevdev, gitMinimal, check, valgrind, swig, python3 }:
+
+stdenv.mkDerivation rec {
+  name = "libratbag-${version}";
+  version = "0.9.903";
+
+  src = fetchFromGitHub {
+    owner  = "libratbag";
+    repo   = "libratbag";
+    rev    = "v${version}";
+    sha256 = "0cr5skrb7a5mgj7dkm647ib8336hb88bf11blaf6xldafi8b0jlj";
+  };
+
+
+  # todo: python should be in buildInputs, but right now meson propagates
+  # its own python. see: https://github.com/NixOS/nixpkgs/pull/46020
+  nativeBuildInputs = [
+    (python3.withPackages (ps: with ps; [ evdev pygobject3 ]))
+    meson ninja pkgconfig gitMinimal swig check valgrind
+  ];
+
+  buildInputs = [ glib systemd udev libevdev ];
+
+  mesonFlags = [
+    "-Dsystemd-unit-dir=./lib/systemd/system/"
+  ];
+
+  meta = with stdenv.lib; {
+    description = "Configuration library for gaming mice";
+    homepage    = https://github.com/libratbag/libratbag;
+    license     = licenses.mit;
+    maintainers = with maintainers; [ mvnetbiz ];
+    platforms   = platforms.linux;
+  };
+}