IHP Web Framework Nix Flake

flake.nix

{
  description = "IHP flake";

  nixConfig.bash-prompt = "[nix]\\e\[38;5;172mλ \\e\[m";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-21.05";

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

    ihp-new = {
      url = "https://ihp.digitallyinduced.com/ihp-new.tar.gz";
      flake = false;
    };
  };

  outputs = { flake-utils, ihp-new, nixpkgs, self }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        ihpOverlay = (final: prev: { inherit ihp-new; });
        config = {};
        overlays = [ ihpOverlay ];
        pkgs = import nixpkgs { inherit config overlays system; };
      in rec {
        devShell = pkgs.mkShell {
          buildInputs = with pkgs; [
            direnv
            cachix
            ihp-new
          ];
          shellHook = ''
            eval "$(direnv hook bash)"
          '';
        };
      }
    );
}