.manage_list

#!/usr/bin/env bash

function usage() {
  echo "Usage: $SCRIPT list [-h|--help] [-a|--all] [-c|--current]"
  echo "                    [-H|--hosts] [-C|--configs] [-P|--parts]"
  # if $1 is non empty, print long usage
  if [ -z "$1" ]; then return; fi
  echo "List available hosts, configs, parts and current configuration"
  echo ""
  echo "Options:"
  echo "    -a, --all         List every piece of information. Same as -c -H -C -P"
  echo "                      This is the default behavior"
  echo "    -c, --current     List the current host configuration"
  echo "    -H, --hosts       List the available hosts"
  echo "    -C, --configs     List the available configs"
  echo "    -P, --parts       List the available parts"
  echo "    -h, --help        Display this message"
}

function run() {
  # parse arguments
  local current=0 hosts=0 configs=0 parts=0
  while [ -n "$1" ]; do
    case "$1" in
      -h | --help)
        usage long
        return;;
      -a | --all)
        current=1 hosts=1 profiles=1 configs=1
        shift;;
      -c | --current)
        current=1
        shift;;
      -H | --hosts)
        hosts=1
        shift;;
      -P | --parts)
        parts=1
        shift;;
      -C | --configs)
        configs=1
        shift;;
      --* )
        echo "$SCRIPT: invalid option: ${1:2}" >&2
        usage
        return 1;;
      -* )
        echo "$SCRIPT: invalid option: ${1:1}" >&2
        usage
        return 1;;
      * )
        echo "$SCRIPT: invalid argument: ${1}" >&2
        usage
        return 1;;
    esac
  done

  # defaults to all
  if [[ $current == 0 && $hosts == 0 && $parts == 0 && $configs == 0 ]]; then
        current=1 hosts=1 parts=1 configs=1
  fi

  local sep=""
  if [[ $current == 1 ]]; then
    echo "${sep}Current configuration:"
    get_current_host | sed -nr "s/^([^#].*)$/  - \1/p"
    sep=$'\n'
  fi

  if [[ $hosts == 1 ]]; then
    echo "${sep}Available hosts:"
    list_host_files | sed -nr "s/^([^#].*)$/  - \1/p"
    sep=$'\n'
  fi

  if [[ $configs == 1 ]]; then
    echo "${sep}Available configs:"
    list_config_files | sed -nr "s/^([^#].*)$/  - \1/p"
    sep=$'\n'
  fi

  if [[ $parts == 1 ]]; then
    echo "${sep}Available parts:"
    list_part_files | sed -nr "s/^([^#].*)$/  - \1/p"
    sep=$'\n'
  fi
}