flake.nix

{
  description = "bento: an asynchronous NixOS deployment tool";

  inputs.nixpkgs.url = github:NixOS/nixpkgs/nixos-22.05;
  inputs.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.stdenv.mkDerivation {
          name = "bento";
          src = self;

          patchPhase = ''
            substituteInPlace bento --replace 'inotifywait' "${pkgs.inotify-tools}/bin/inotifywait";
          '';

          installPhase = ''
            mkdir -p $out/bin
            mkdir -p $out/share
            install -Dm555 bento $out/bin/
            install -Dm444 fleet.nix $out/share/
            install -Dm444 config.sh.sample $out/share/
            install -Dm444 LICENSE $out/share/
            install -Dm444 README.md $out/share/
            install -Dm444 utils/bento.nix $out/share/
          '';
        };
      }
    );
}