#!/bin/bash -x

# Sort these packages by name and split on commas.
function normalize_package_list {
  stripped="$(echo ${1} | sed 's/,//g')"
  # Remove extraneous spaces at the middle, beginning, and end.
  trimmed="$(echo ${stripped} | sed 's/\s\+/ /g; s/^\s\+//g; s/\s\+$//g')"  
  echo "${trimmed}" | sort
}

# Split fully qualified package into name and version
function get_package_name_ver {
  IFS=\= read name ver <<< "${1}"
  # If version not found in the fully qualified package value.
  if test -z "${ver}"; then
    ver="$(grep "Version:" <<< "$(apt show ${name})" | awk '{print $2}')"
  fi
  echo 'package_name="${name}"; package_ver="${ver}"'
}