{
  description = "A tool for organising a music library";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    utils.url = "github:numtide/flake-utils";
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
  };

  outputs = {
    self,
    nixpkgs,
    utils,
    ...
  }:
    {
      overlays.musicutil = final: prev: let
        system = final.system;
        pkgs = final.pkgs;
        lib = pkgs.lib;
        stdenv = pkgs.stdenv;
      in {
        musicutil = pkgs.rustPlatform.buildRustPackage rec {
          pname = "musicutil";
          version = "latest";

          src = ./.;
          cargoLock.lockFile = ./Cargo.lock;

          buildFeatures = ["taglib_extractor"];

          postFixup = ''
            wrapProgram $out/bin/musicutil \
              --set PATH ${lib.makeBinPath [
              pkgs.ffmpeg
            ]}
          '';

          doCheck = false;
          nativeBuildInputs = with pkgs; [stdenv pkgs.stdenv.cc rustPlatform.bindgenHook pkg-config rustc cargo makeWrapper];
          buildInputs = with pkgs; [ffmpeg zlib taglib];
        };
      };
      overlays.default = self.overlays.musicutil;
    }
    // utils.lib.eachSystem (utils.lib.defaultSystems) (system: let
      pkgs = import nixpkgs {
        inherit system;
        overlays = [self.overlays.default];
      };
    in {
      defaultPackage = self.packages."${system}".musicutil;
      packages.musicutil = pkgs.musicutil;

      apps = rec {
        musicutil = {
          type = "app";
          program = "${self.defaultPackage.${system}}/bin/musicutil";
        };
        default = musicutil;
      };

      defaultApp = self.apps."${system}".musicutil;

      devShell = pkgs.mkShell {
        RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
        LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
        BINDGEN_EXTRA_CLANG_ARGS = with pkgs; ''
          -isystem ${llvmPackages.libclang.lib}/lib/clang/${lib.getVersion clang}/include
          -isystem ${llvmPackages.libclang.out}/lib/clang/${lib.getVersion clang}/include
          -isystem ${glibc.dev}/include
        '';
        buildInputs = with pkgs; [rustPlatform.bindgenHook zlib taglib pkg-config rustc cargo clippy rust-analyzer rustfmt];
      };

      lib = pkgs.musicutil.lib;
    });
}