{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs";
    flake-utils.url = "github:numtide/flake-utils";
    run-code-inline.url = "git+https://codeberg.org/mhwombat/run-code-inline";
  };

  outputs = { self, nixpkgs, flake-utils, run-code-inline }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
      in
      {
        devShells = rec {
          default = pkgs.mkShell {
            buildInputs = [
              run-code-inline.packages.${system}.default
              # pkgs.asciidoctor
              pkgs.asciidoctor-with-extensions
              # pkgs.python311Packages.pygments don't need to install, asciidoctor includes it
              pkgs.rubyPackages.rbs
              pkgs.rubyPackages.racc
              pkgs.rubyPackages.coderay
              pkgs.rubyPackages.rouge
            ];
	    shellHook = ''
              PATH=$(pwd)/bin:$PATH
            '';
          };
        };
      }
    );
}