Update channel to 23.05 for nix packages

provisioners/install-nix-packages-flakes.sh

@@ -11,6 +11,9 @@ nix_packages=(
   "jq"
   "yq"
 
+  "pass"
+  "gnupg"
+
   # Professional tools
   "kubernetes-helm"
   "vault"
@@ -33,7 +36,7 @@ cat << EOF > ~/.config/nixpkgs/flake.nix
   description = "A declarative system installation";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11"; # also possible: `nixos-unstable`
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05"; # also possible: `nixos-unstable`
   };
 
   outputs = { self, nixpkgs }:

provisioners/install-nix.sh

@@ -26,3 +26,9 @@ EOF
 
 # Remove the installer and signature
 rm -f ./install-nix
+
+# Enable flakes and the nix command
+mkdir -p ~/.config/nix
+cat <<EOF > ~/.config/nix/nix.conf
+experimental-features = flakes nix-command
+EOF