anchor.diff:        [ -n "$PS1" ] && \
             [ -s "$BASE16_SHELL/profile_helper.sh" ] && \
                 eval "$("$BASE16_SHELL/profile_helper.sh")"
  -
  -      # We have to source this to configure PATH properly
  -      . "${pkgs.nix}/etc/profile.d/nix.sh"
       '';
   
       shellAliases = {
  
positive.code: { config, pkgs, ... }:
  {
    home.packages = with pkgs; [
      shellcheck
  
negative.code:       MANPAGER = "sh -c 'col -bx | ${pkgs.bat}/bin/bat -l man -p'";
  
        # Zettelkasten
        ZK_FILES_DIR = "~/zettelkasten";
  
        PATH = path;
  
        # Azure CLI Telemetry opt-out
        FUNCTIONS_CORE_TOOLS_TELEMETRY_OPTOUT=1;
  