minor cleanup

TODO

@@ -3,14 +3,12 @@
   * Docker container on DockerHub, GitHub Container Repository (ghcr.io)
     * containers could have multiple tags as in `latest` and `1.0.0`
 * build windows MSYS2
-* formatting
-* lint
-* security audits
 * Gitpod
-* recorded ascii demo
 * README.md
   * build and other badges
 
 -----
 nix flake show
+nix flake check
+nix shell github:gburd/hello -c hello
 nix flake show --json | jq  '.packages."x86_64-linux"|keys[]'| xargs -I {} nix build .#{}

flake.nix

@@ -40,9 +40,9 @@
                 hello = with final; stdenv.mkDerivation rec {
                   pname = "hello";
                   inherit version;
-                  src = ./.;
+                  src = self;
                   nativeBuildInputs = [ autoreconfHook ];
-                };
+                  };
               })
             ];
           };
@@ -53,7 +53,7 @@
           packages.container = pkgs.callPackage ./container.nix { package = packages.default; };
 
           apps.hello = flake-utils.lib.mkApp { drv = packages.default; };
-          defaultApp = apps.hello;
+          apps.${system}.default = apps.hello;
 
           devShells.default = import ./shell.nix { inherit pkgs; };
         }

shell.nix

@@ -1,5 +1,5 @@
 { pkgs ? import <nixpkgs> {} }:
 pkgs.mkShell {
   # nativeBuildInputs is usually what you want -- tools you need to run
-  #nativeBuildInputs = with pkgs.buildPackages; [ ];
+  nativeBuildInputs = with pkgs.buildPackages; [ ripgrep ];
 }