add direnv boiler plate to module

.envrc

@@ -1,3 +1,13 @@
-# https://github.com/nix-community/nix-direnv
+if ! has nix_direnv_version || ! nix_direnv_version 3.0.6; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.6/direnvrc" "sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
+fi
 
-use flake . --impure
+watch_file flake.nix
+watch_file flake.lock
+
+DEVENV_ROOT_FILE="$(mktemp)"
+printf %s "$PWD" > "$DEVENV_ROOT_FILE"
+if ! use flake . --override-input devenv-root "file+file://$DEVENV_ROOT_FILE"
+then
+  echo "devenv could not be built. The devenv environment was not loaded. Make the necessary changes to devenv.nix and hit enter to try again." >&2
+fi

.gitignore

@@ -1,3 +1,5 @@
 .devenv
 
 .pre-commit-config.yaml
+
+.direnv

flake-module.nix

@@ -26,6 +26,12 @@ in
     in {
       name = "devenv-k8s";
 
+      devenv.root =
+        let
+          devenvRootFileContent = builtins.readFile localFlake.inputs.devenv-root.outPath;
+        in
+        pkgs.lib.mkIf (devenvRootFileContent != "") devenvRootFileContent;
+
       imports = [
         ./skaffold-builder.nix
         ./cd.nix

flake.nix

@@ -2,6 +2,11 @@
   description = "A devenv with common tools needed for K8s, GitOps, etc.";
 
   inputs = {
+    devenv-root = {
+      url = "file+file:///dev/null";
+      flake = false;
+    };
+
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-parts.url = "github:hercules-ci/flake-parts";
     devenv.url = "github:cachix/devenv";
@@ -62,7 +67,7 @@
 
       systems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
 
-      perSystem = { inputs', ...}: {
+      perSystem = { pkgs, inputs', ...}: {
 
         packages = {
           kpt = inputs'.kpt.packages.default;

templates/app-repo/.envrc

@@ -0,0 +1,13 @@
+if ! has nix_direnv_version || ! nix_direnv_version 3.0.6; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.6/direnvrc" "sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
+fi
+
+watch_file flake.nix
+watch_file flake.lock
+
+DEVENV_ROOT_FILE="$(mktemp)"
+printf %s "$PWD" > "$DEVENV_ROOT_FILE"
+if ! use flake . --override-input devenv-root "file+file://$DEVENV_ROOT_FILE"
+then
+  echo "devenv could not be built. The devenv environment was not loaded. Make the necessary changes to devenv.nix and hit enter to try again." >&2
+fi

templates/app-repo/.gitignore

@@ -0,0 +1,5 @@
+.devenv
+
+.pre-commit-config.yaml
+
+.direnv