{
  description = "Tshort flake";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs = {
    self,
    nixpkgs,
    flake-utils,
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};
    in {
      packages.default = pkgs.callPackage ./default.nix {};
      devShells.default = pkgs.callPackage ./shell.nix {};
    })
    // {
      overlay = final: prev: {
        tshort = import ./default.nix {pkgs = final;};
      };
    };
}