let 
  dotfiles_dir = import /etc/nixos/dotfiles-dir.nix;
  dotfiles = import (builtins.toPath "${dotfiles_dir}/nixos/home/default.nix");
in 


2021
https://www.reddit.com/r/NixOS/comments/n1uu8f/how_to_add_an_executable_to_path/
    https://gist.github.com/aswan89/9b0b10178ede220e20b372c0a23b9371

        with import <nixpkgs> {};

        writeShellScriptBin "<script_name>" ''
        <shell commands>
        ''