Add support for NixOs (#156)

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -1 +1,4 @@
-__pycache__
+__pycache__
+.idea/
+result/
+.direnv/

README.md

@@ -145,6 +145,26 @@ Since [PEP668 adoption](https://www.linuxuprising.com/2023/03/next-debianubuntu-
 3. Install it with `sudo apt -y install ./python3-envycontrol_version.deb`
 4. Run `sudo envycontrol -s <MODE>` to switch graphics modes
 
+### Nixos
+
+If you're using Nix Flakes:
+
+- Script could be executed using this command:
+```sh
+nix run github:ITesserakt/envycontrol -- <args>
+```
+- For system-wide installation, add this flake to inputs in your configuration:
+```sh
+inputs = {
+  # ...
+  envycontrol.url = github:ITesserakt/envycontrol
+};
+```
+And mention it in the packages like this:
+```sh
+envycontrol.packages.x86_64-linux.default
+```
+
 ### From source
 
 1. Clone this repository with `git clone https://github.com/bayasdev/envycontrol.git` or download the latest tarball from the releases page

flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+    {
+      packages.${system} = {
+        envycontrol = pkgs.python3Packages.buildPythonPackage {
+          pname = "envycontrol";
+          version = "3.3.1";
+          src = self;
+        };
+        default = self.packages.${system}.envycontrol;
+      };
+
+      buildInputs = with pkgs; [ pciutils ];
+
+      devShells.default = pkgs.mkShellNoCC {
+        packages = with pkgs; [
+          (python3.withPackages(ps: with ps; [ setuptools ]))
+          pciutils
+        ];
+      };
+    };
+}