{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  inputs.git-hooks.url = "github:cachix/git-hooks.nix";
  inputs.git-hooks.inputs.nixpkgs.follows = "nixpkgs";

  outputs = {
    self,
    git-hooks,
    nixpkgs,
  }: let
    inherit (self) outputs;
    supportedSystems = [
      "x86_64-linux"
      "aarch64-linux"

      "x86_64-darwin"
      "aarch64-darwin"
    ];
    forEachSupportedSystem = nixpkgs.lib.genAttrs supportedSystems;
  in {
    formatter = forEachSupportedSystem (system: nixpkgs.legacyPackages.${system}.alejandra);

    checks = forEachSupportedSystem (system: {
      pre-commit-check = git-hooks.lib.${system}.run {
        src = ./.;
        hooks = {
          alejandra.enable = true;
          clippy = {
            enable = true;
          };
          rustfmt = {
            enable = true;
          };
          cargo-test = {
            enable = true;
            name = "cargo test";
            entry = "cargo test";
            pass_filenames = false;
          };
        };
      };
    });

    devShells = forEachSupportedSystem (system: let
      pkgs = import nixpkgs {inherit system;};
    in {
      rust-build = pkgs.mkShell {
        buildInputs = with pkgs; [
          cargo
          rustc
          rustfmt
          rustPackages.clippy
          rust-analyzer

          # linker
          clang
          mold

          # debugger
          lldb

          # libs
          libopus
          openssl
          pkg-config
        ];
      };

      rust-dev = pkgs.mkShell {
        inherit (outputs.checks.${system}.pre-commit-check) shellHook;

        buildInputs =
          outputs.devShells.${system}.rust-build.buildInputs
          ++ outputs.checks.${system}.pre-commit-check.enabledPackages;
      };

      default = outputs.devShells.${system}.rust-dev;
    });
  };
}