flake.nix

{
  description = "Ghaf installation wizard";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    poetry2nix = {
      url = "github:nix-community/poetry2nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    poetry2nix,
  }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        # see https://github.com/nix-community/poetry2nix/tree/master#api for more functions and examples.
        pkgs = nixpkgs.legacyPackages.${system};
        inherit (poetry2nix.lib.mkPoetry2Nix { inherit pkgs; }) mkPoetryApplication;
      in
      {
        packages = {
          ghaf-wizard = (mkPoetryApplication { projectDir = self; }).overrideAttrs (old: {
            buildInputs = with pkgs; old.buildInputs ++ [
              sudo # sudo
              coreutils # dd sync
              openssh # ssh-keygen
            ];
          });
          default = self.packages.${system}.ghaf-wizard;
        };

        devShells.default = pkgs.mkShell {
          inputsFrom = [ self.packages.${system}.ghaf-wizard ];
          packages = [ pkgs.poetry ];
        };
      });
}