yin-yang

flake.nix

{
  description = "Yin-Yang automatic light and dark theme switcher";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/148bab9c1c3c53136ecb44a6ea356a0ed5b39b06";

  outputs = { self, nixpkgs }:
    let
      systems = [ "x86_64-linux" "aarch64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
    in
    {
      packages = forAllSystems (system:
        let
          pkgs = import nixpkgs { inherit system; };
          python = pkgs.python3;
          pythonPackages = python.pkgs;
          suntime = pythonPackages.buildPythonPackage rec {
            pname = "suntime";
            version = "1.3.2";
            pyproject = true;

            src = pkgs.fetchPypi {
              inherit pname version;
              hash = "sha256-SDT3kHrRPbs2mQTLX0N27cCwbG6KHPwKrBJo9k0Ozc8=";
            };

            build-system = [ pythonPackages.setuptools ];
            dependencies = [ pythonPackages.python-dateutil ];
          };
        in
        {
          yin-yang = pythonPackages.buildPythonApplication rec {
            pname = "yin-yang";
            version = "4.0.0";
            pyproject = true;

            src = pkgs.fetchFromGitHub {
              owner = "oskarsh";
              repo = "Yin-Yang";
              rev = "8569de0abf7c45caaadc8ce88c1bbbce769638f5";
              hash = "sha256-8prFy6i0LP7fqAHPwG77TiPxNL9byF/+wbgSUuXwIOg=";
            };

            build-system = [ pythonPackages.poetry-core ];
            # nixpkgs supplies a newer, API-compatible requests release.
            dontCheckRuntimeDeps = true;
            postPatch = ''
              substituteInPlace yin_yang/position.py \
                --replace-fail \
                  '        self._positionSource.positionUpdated.connect(self.handlePosition)' \
                  $'        if self._positionSource is not None:\n            self._positionSource.positionUpdated.connect(self.handlePosition)' \
                --replace-fail \
                  '        self._positionSource.startUpdates()' \
                  $'        if self._positionSource is not None:\n            self._positionSource.startUpdates()' \
                --replace-fail \
                  '        self._lastPosition = self._positionSource.lastKnownPosition()' \
                  '        self._lastPosition = self._positionSource.lastKnownPosition() if self._positionSource else QGeoPositionInfo()'
            '';
            dependencies = with pythonPackages; [
              psutil
              requests
              python-dateutil
              systemd-python
              pyside6
              shiboken6
              suntime
            ];

            nativeBuildInputs = [ pkgs.makeWrapper ];

            postInstall = ''
              install -Dm644 resources/icon.svg \
                $out/share/icons/hicolor/scalable/apps/sh.oskar.yin_yang.svg
              install -Dm644 resources/sh.oskar.yin_yang.metainfo.xml \
                $out/share/metainfo/sh.oskar.yin_yang.metainfo.xml
              install -Dm644 resources/yin_yang.timer \
                $out/share/yin-yang/resources/yin_yang.timer
              substitute resources/yin_yang.service \
                $out/share/yin-yang/resources/yin_yang.service \
                --replace-fail /usr/bin/yin_yang $out/bin/yin_yang

              install -Dm644 /dev/stdin \
                $out/share/applications/sh.oskar.yin_yang.desktop <<EOF
              [Desktop Entry]
              Type=Application
              Name=Yin & Yang
              Comment=Automatically switch between light and dark themes
              Exec=$out/bin/yin_yang
              Icon=sh.oskar.yin_yang
              Categories=Utility;System;Settings;
              EOF

              wrapProgram $out/bin/yin_yang \
                --run "cd $out/share/yin-yang" \
                --prefix PATH : ${pkgs.lib.makeBinPath [ pkgs.systemd pkgs.libnotify ]}
            '';

            meta = {
              description = "Automatic light and dark theme switcher for Linux desktops";
              homepage = "https://github.com/oskarsh/Yin-Yang";
              license = pkgs.lib.licenses.mit;
              mainProgram = "yin_yang";
              platforms = pkgs.lib.platforms.linux;
            };
          };

          default = self.packages.${system}.yin-yang;
        });
    };
}

https://github.com/oskarsh/Yin-Yang

nix run --refresh --no-write-lock-file git+https://gist.github.com/mausch/3ee9a4921b905bc56384f63f2a3e3e04.git