try and have packer use nixos-infect thru a flake

nixos.pkr.nix

@@ -1,6 +1,14 @@
 { config, lib, ... }:
 # { config, lib, inputs, ... }:
 
+let
+
+  indent = numberOfSpaces: str: let
+      lines = lib.splitString "\n" str;
+      prependSpaces = (x: numberOfSpaces * " " + x);
+    in lib.concatMapStringsSep "\n" prependSpaces lines;
+
+in
 {
 
   packer = {
@@ -66,6 +74,11 @@
       #cloud-config
       runcmd:
       - curl https://raw.githubusercontent.com/elitak/nixos-infect/master/nixos-infect | PROVIDER=hetznercloud NIX_CHANNEL=nixos-''${var.nixos_version} bash 2>&1 | tee /tmp/infect.log
+      # - |
+        export PROVIDER=hetznercloud
+        export NIX_CHANNEL=nixos-''${var.nixos_version}
+      # ${indent 2 (lib.readFile "${inputs.nixos-infect}/nixos-infect")}
+    '';
     ssh_username = "root";
   
     snapshot_name   = "nixos system disk - \${var.arch} - \${var.nixos_version}";