refactor(nix): reorganise files

flake.nix

@@ -3,18 +3,17 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
   };
 
-    outputs = {self, nixpkgs}@inputs :
-    let
-        system = "x86_64-linux"; # replace this as needed
-        pkgs = nixpkgs.legacyPackages.${system};
-        auto-cpufreq = pkgs.python3Packages.callPackage ./nix/default.nix {};
+  outputs = {nixpkgs, ...} @ inputs: let
+    forAllSystems = nixpkgs.lib.genAttrs ["x86_64-linux" "x86_64-darwin" "i686-linux" "aarch64-linux" "aarch64-darwin"];
+    pkgsForEach = nixpkgs.legacyPackages;
   in {
-        packages.${system}.default = auto-cpufreq; 
+    packages = forAllSystems (system: {
+      default = pkgsForEach.${system}.python3Packages.callPackage ./nix/default.nix {};
+    });
 
-	    devShells.${system}.default = pkgs.mkShell {
-		    inputsFrom = [ auto-cpufreq ];
-            packages = [ pkgs.python310Packages.pip ];
-	    };
+    devShells = forAllSystems (system: {
+      default = pkgsForEach.${system}.callPackage ./nix/shell.nix {};
+    });
 
     nixosModules.default = import ./nix/module.nix inputs;
   };

nix/default.nix

@@ -1,14 +1,16 @@
-{ lib, python310Packages, fetchFromGitHub, callPackage, pkgs}:
-
-python310Packages.buildPythonPackage rec {
+{
+  lib,
+  python310Packages,
+  pkgs,
+}:
+python310Packages.buildPythonPackage {
   # use pyproject.toml instead of setup.py
   format = "pyproject";
 
   pname = "auto-cpufreq";
-  version = "2.0.0dev";
+  version = "2.0.0";
   src = ../.;
 
-
   nativeBuildInputs = with pkgs; [wrapGAppsHook gobject-introspection];
 
   buildInputs = with pkgs; [gtk3 python310Packages.poetry-core];
@@ -19,21 +21,26 @@ python310Packages.buildPythonPackage rec {
   pythonImportsCheck = ["auto_cpufreq"];
 
   patches = [
-
     # patch to prevent script copying and to disable install
     ./patches/prevent-install-and-copy.patch
-
   ];
 
   postPatch = ''
     substituteInPlace auto_cpufreq/core.py --replace '/opt/auto-cpufreq/override.pickle' /var/run/override.pickle
     substituteInPlace scripts/org.auto-cpufreq.pkexec.policy --replace "/opt/auto-cpufreq/venv/bin/auto-cpufreq" $out/bin/auto-cpufreq
+
+    substituteInPlace auto_cpufreq/gui/app.py --replace "/usr/local/share/auto-cpufreq/images/icon.png" $out/share/pixmaps/auto-cpufreq.png
+    substituteInPlace auto_cpufreq/gui/app.py --replace "/usr/local/share/auto-cpufreq/scripts/style.css" $out/share/auto-cpufreq/scripts/style.css
   '';
 
   postInstall = ''
     # copy script manually
     cp scripts/cpufreqctl.sh $out/bin/cpufreqctl.auto-cpufreq
 
+    # move the css to the rihgt place
+    mkdir -p $out/share/auto-cpufreq/scripts
+    cp scripts/style.css $out/share/auto-cpufreq/scripts/style.css
+
     # systemd service
     mkdir -p $out/lib/systemd/system
     cp scripts/auto-cpufreq.service $out/lib/systemd/system

nix/module.nix

@@ -1,7 +1,11 @@
-inputs: { config, lib, pkgs, options, ... }:
-
+inputs: {
+  config,
+  lib,
+  pkgs,
+  options,
+  ...
+}:
 with lib; let
-
   cfg = config.programs.auto-cpufreq;
   system = "x86_64-linux";
   defaultPackage = inputs.self.packages.${system}.default;
@@ -9,14 +13,13 @@ with lib; let
   cfgFile = format.generate cfgFilename cfg.settings;
 
   format = pkgs.formats.ini {};
-
 in {
-
   options.programs.auto-cpufreq = {
     enable = mkEnableOption "Automatic CPU speed & power optimizer for Linux";
+    #gui.enable = mkEnableOption "Enable GUI";
 
     settings = mkOption {
-            description = lib.mdDoc ''
+      description = mdDoc ''
         Configuration for `auto-cpufreq`.
 
         See its [example configuration file] for supported settings.
@@ -34,9 +37,9 @@ in {
     services.auto-cpufreq.enable = true;
     systemd.services.auto-cpufreq = {
       overrideStrategy = "asDropin";
-            serviceConfig.ExecStart = lib.mkForce [ 
+      serviceConfig.ExecStart = mkForce [
         ""
-                "${defaultPackage}/bin/auto-cpufreq --daemon --config ${cfgFile}"
+        "${getBin} ${defaultPackage} --daemon --config ${cfgFile}"
       ];
     };
   };

nix/shell.nix

@@ -0,0 +1,14 @@
+{
+  python310Packages,
+  python3Packages,
+  ...
+}: let
+  mainPkg = python3Packages.callPackage ./default.nix {};
+in
+  mainPkg.overrideAttrs (oa: {
+    nativeBuildInputs =
+      [
+        python310Packages.pip
+      ]
+      ++ (oa.nativeBuildInputs or []);
+  })