{ config, lib, pkgs, ... }:

{
  system.activationScripts.applications.text = let
    appsSrc = config.system.build.applications + /Applications;
    baseDir = "/Applications/Nix Apps";
  in
    pkgs.lib.mkForce ''
      echo 'Setting up /Applications/Nix Apps...' >&2
      appsSrc="${appsSrc}"
      if [ -d "$appsSrc" ]; then
        baseDir="${baseDir}"
        rsyncFlags=(
          --archive
          --checksum
          --chmod=-w
          --copy-unsafe-links
          --delete
          --no-group
          --no-owner
        )
        $DRY_RUN_CMD mkdir -p "$baseDir"
        $DRY_RUN_CMD ${lib.getBin pkgs.rsync}/bin/rsync \
          ''${VERBOSE_ARG:+-v} "''${rsyncFlags[@]}" "$appsSrc/" "$baseDir"
      fi
    '';

  # use determinate nix
  nix.enable = false;

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # changing this might break
  system.stateVersion = 5;
}