{ pkgs, userSettings, ... }:
# TODO make this work on nix-on-droid!
let myScript = ''
      if [ "$1" = "sync" ]; then
        if [ "$#" = 1 ]; then
          ''+userSettings.dotfilesDir+''/sync.sh;
          exit 0;
        elif [ "$2" = "user" ]; then
          ''+userSettings.dotfilesDir+''/sync-user.sh;
          exit 0;
        elif [ "$2" = "system" ]; then
          ''+userSettings.dotfilesDir+''/sync-system.sh;
          exit 0;
        else
          echo "Please pass 'system' or 'user' if supplying a second argument"
        fi
      elif [ "$1" = "refresh" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'refresh' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/sync-posthook.sh;
        exit 0;
      elif [ "$1" = "update" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'update' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/update.sh;
        exit 0;
      elif [ "$1" = "upgrade" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'update' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/upgrade.sh;
        exit 0;
      elif [ "$1" = "pull" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'upgrade' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/pull.sh;
        exit 0;
      elif [ "$1" = "harden" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'harden' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/harden.sh;
        exit 0;
      elif [ "$1" = "soften" ]; then
        if [ "$#" -gt 1 ]; then
          echo "Warning: The 'soften' command has no subcommands (no $2 subcommand)";
        fi
        ''+userSettings.dotfilesDir+''/soften.sh;
        exit 0;
      elif [ "$1" = "gc" ]; then
        if [ "$#" -gt 2 ]; then
          echo "Warning: The 'gc' command only accepts one argument (collect_older_than)";
        fi
        if [ "$2" = "full" ]; then
          sudo nix-collect-garbage --delete-old;
          nix-collect-garbage --delete-old;
        elif [ "$2" ]; then
          sudo nix-collect-garbage --delete-older-than $2;
          nix-collect-garbage --delete-older-than $2;
        else
          sudo nix-collect-garbage --delete-older-than 30d;
          nix-collect-garbage --delete-older-than 30d;
        fi
      fi
    '';
in
{
  environment.systemPackages = [
    (pkgs.writeScriptBin "phoenix" myScript)
  ];
}