{ inputs, self, ... }: {
  perSystem = { pkgs, ... }: {
    packages = let
      finalAttrs = rec {
        name = "${pname}-${version}";
        pname = "biri";
        version = "26.04";

        src = pkgs.fetchFromGitHub {
          owner = "barrulus";
          repo = pname;
          rev = "82efb3c0fb688a0c738d15517a2e6a44ed7ca703";
          hash = "sha256-Gg4UHnugGnVZifxfKRUnxt3T+DSPgUvHEfE9tflA5zM=";
        };

        cargoHash = "sha256-aNovCzrTtmqTO33YtZap47npdN73zXC1bap5q5dZvZk=";
      };

      overrideAttrs = with pkgs; prev: {
        rustPlatform = prev.rustPlatform // {
          buildRustPackage = args: pkgs.rustPlatform.buildRustPackage (args finalAttrs // finalAttrs);
        };
      };
    in {
      biri = pkgs.niri.override (prev: overrideAttrs prev);

      biri-unwrapped = pkgs.niri.override (prev: (overrideAttrs prev) // {
        rustPlatform = (overrideAttrs prev).rustPlatform // {
          buildRustPackage = args: pkgs.rustPlatform.buildRustPackage (args finalAttrs // {
            postInstall = ''
              install -Dm0644 README.md resources/default-config.kdl -t $doc/share/doc/niri
              mv docs/wiki $doc/share/doc/niri/wiki
              cp -r . $out
            '';
          });
        };
      });
    };
  };
}