#!/bin/bash

# Fail on any error.
set -e

# Directory that holds the cached packages.
cache_dir=$1

# Root directory to untar the cached packages to.
# Typically filesystem root '/' but can be changed for testing.
cache_restore_root=$2

# Indicates that the cache was found.
cache_hit=$3

# List of the packages to use.
packages="${@:4}"

script_dir=$(dirname $0)

if [ "$cache_hit" == true ]; then
  $script_dir/restore_pkgs.sh ~/cache-apt-pkgs $cache_restore_root
else
  $script_dir/install_and_cache_pkgs.sh ~/cache-apt-pkgs $packages
fi
echo ""