Input From Derivation hijinks

default.nix

{ config, pkgs, ... }:

let
  # In the real world, this is an org tangle.
  hello = pkgs.writeText "hello" ''
    { pkgs, ... }: {
      home.packages = [ pkgs.hello ];
    }
  '';

  # This is the import-from-derivation
  helloModule = (import hello);
in {
  # $ home-manager -I home-manager=https://github.com/nix-community/home-manager/archive/release-21.11.tar.gz build -f default.nix && ./result/home-path/bin/hello
  # error: infinite recursion encountered
  #
  #        at /nix/store/rhbx7pmfz3c5ha887rjl4rzcwhhxp747-nixpkgs-22.05pre339569.7dcb25726b3/nixpkgs/lib/modules.nix:385:28:
  #           384|         builtins.addErrorContext (context name)
  #           385|           (args.${name} or config._module.args.${name})
  #              |                            ^
  #           386|       ) (lib.functionArgs f);
  imports = [ helloModule ];
}

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