{
  description = "Cinny Desktop AppImage (v4.10.3)";

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

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };

        version = "4.10.3";

        cinny-desktop-item = pkgs.makeDesktopItem {
          name = "cinny-desktop";
          desktopName = "Cinny";
          comment = "Matrix client";
          exec = "cinny-desktop";
          icon = "cinny"; # see icon notes below
          categories = [ "Network" "InstantMessaging" ];
          terminal = false;
        };

        cinny-appimage = pkgs.appimageTools.wrapType2 {
          pname = "cinny-desktop";
          inherit version;

          src = pkgs.fetchurl {
            url = "https://github.com/cinnyapp/cinny-desktop/releases/download/v${version}/Cinny_desktop-x86_64.AppImage";
            sha256 = "sha256-AhbwDL4p9xo3QrRaavqGcr8dvm1D1FWUBcaCNrkkOhw=";
          };

          extraInstallCommands = ''
            mkdir -p $out/share/applications
            ln -s ${cinny-desktop-item}/share/applications/* \
              $out/share/applications/
          '';
        };
      in
      {
        packages.default = cinny-appimage;

        apps.default = {
          type = "app";
          program = "${cinny-appimage}/bin/cinny-desktop";
        };
      }
    );
}