{
  description = "libbass for wine";

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

  outputs = { self, flake-utils, devshell, nixpkgs, flake-compat }:
    let
      inherit (nixpkgs) lib;
    in
    flake-utils.lib.eachDefaultSystem (system: {
      devShell =
        let attrs = {
          overlays = [
            (import "${devshell.outPath}/overlay.nix")
            (_: prev: let
                path = if prev.stdenv.hostPlatform.system == "x86_64-linux" then "x86_64" else "x86";
            in {
              libbass = prev.libbass.overrideAttrs (_: {
                version = "2.4.17";
                src = prev.fetchurl {
                  url = "https://www.un4seen.com/files/bass24-linux.zip";
                  sha256 = "sha256-Ub6kLTJMUkIWiwUzRKZe1JRXFchPku2HReINsz0Wjvk=";
                };
                installPhase =
                ''
                  mkdir -p $out/{lib,include}
                  install -m644 -t $out/lib/ libs/${path}/libbass.so
                  install -m644 -t $out/include/ bass.h
                '';
              });
              libbass_fx = prev.libbass_fx.overrideAttrs (_: {
                version = "2.4.12.6";
                src = prev.fetchurl {
                  url = "https://www.un4seen.com/files/z/0/bass_fx24-linux.zip";
                  sha256 = "sha256-Hul2ELwnaDV8TDRMDXoFisle31GATDkf3PdkR2K9QTs=";
                };
                installPhase = ''
                  mkdir -p $out/{lib,include}
                  install -m644 -t $out/lib/ libs/${path}/libbass_fx.so
                  install -m644 -t $out/include/ C/bass_fx.h
                '';
              });
            })
          ];
          config.allowBroken = true;
          config.allowUnsupportedSystem = true;
          config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
              "libbass"
              "libbass_fx"
          ];
        };
        pkgs = import nixpkgs (attrs // {
          inherit system;
        });
        pkgsX86 = import nixpkgs (attrs // {
          system = "i686-linux";
        });
        in
        pkgs.devshell.mkShell {
          #commands = [
          #  {
          #    package = pkgs.devshell.cli;
          #    help = "Per project developer environments";
          #  }
          #];
          devshell.packages = with pkgs; [
            gdb
            gnumake
            pkgsX86.gcc
            pkgsX86.alsa-lib
            pkgsX86.pipewire
            pkgsX86.pulseaudio
            pkgsX86.jack2
          ] ++ (map lib.getDev [
            wineWowPackages.stagingFull
            libbass
            libbass_fx
          ]);
          env = with pkgs; [
            { name = "WINEPREFIX"; eval = "~/wine/osu"; }
            { name = "WINE_DLL_PATH"; eval = "$PRJ_ROOT/dlls"; }
            { name = "WINEDLLPATH"; eval = "$PRJ_ROOT/dlls"; }
            { name = "C_INCLUDE_PATH"; prefix = "$DEVSHELL_DIR/include"; }
            { name = "C_INCLUDE_PATH"; prefix = "$DEVSHELL_DIR/include/wine/windows"; }
            { name = "CPLUS_INCLUDE_PATH"; prefix = "$DEVSHELL_DIR/include"; }
            { name = "CPLUS_INCLUDE_PATH"; prefix = "$DEVSHELL_DIR/include/wine/windows"; }
            { name = "PKG_CONFIG_PATH"; prefix = "$DEVSHELL_DIR/lib/pkgconfig"; }
            { name = "PKG_CONFIG_PATH"; prefix = "$DEVSHELL_DIR/share/pkgconfig"; }
            # { name = "LIBRARY_PATH"; prefix = "${lib.getLib libbass}/lib"; }
            # { name = "LIBRARY_PATH"; prefix = "${lib.getLib libbass_fx}/lib"; }
            # { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib libbass}/lib"; }
            # { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib libbass_fx}/lib"; }
            { name = "LIBRARY_PATH"; prefix = "${lib.getLib libbass}/lib"; }
            { name = "LIBRARY_PATH"; prefix = "${lib.getLib libbass_fx}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib libbass}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib libbass_fx}/lib"; }
            { name = "LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.libbass}/lib"; }
            { name = "LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.libbass_fx}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.libbass}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.libbass_fx}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.alsa-lib}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.pipewire}/lib"; }
            { name = "LD_LIBRARY_PATH"; prefix = "${lib.getLib pkgsX86.pulseaudio}/lib"; }
          ];
        };
    });
}