# alpine_setup_functions: Functions used by the run_alpine_setup script

update_system_packages() {
  local apk_cache_dir="/etc/apk/cache"

  apk update
  apk upgrade

  if [ -d "${apk_cache_dir}" ] || [ -L "${apk_cache_dir}" ]; then
    apk cache clean
  fi
}

install_package() {
  local package_name=${1}

  apk add "${package_name}"
  return $?
}

add_group() {
  local group_name="${1}"
  local gid="${2}"

  addgroup -g "${gid}" -S "${group_name}"
  return $?
}

add_user() {
  local username="${1}"
  local primary_group="${2}"
  local uid="${3}"

  adduser -u "${uid}" -D -S -G "${primary_group}" "${username}"
  return $?
}