Make use of lorri to speed up shells

.envrc

@@ -1,4 +1,4 @@
 # Ensure ansible is available in path
-use nix -p ansible
+eval "$(lorri direnv)"
 
 export ANSIBLE_INVENTORY="$(expand_path inventory)"

shell.nix

@@ -0,0 +1,10 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.ansible
+
+    # keep this line if you use bash
+    pkgs.bashInteractive
+  ];
+}