HIB manager script for Archlinux

humblepie.sh

#!/usr/bin/env bash

#_humblebundletorrent=""
[[ -f PKGBUILD ]] || {
  echo "This script requires the game's PKGBUILD to function."
  echo "Please extract the tarball for the desired game and run this script again."
}

. PKGBUILD
_archive="source[0]%%:*"
hibenv=('_humblebundle1key'
        '_humblebundle2key'
        '_humblebundle3key'
        '_humblebundle4key' 
        '_humblebundleVkey')
hibvox=('_humblevoxatronkey')
hibfb=('_humblebundlefrozenkey')
hibfs=('_humblebundlesynapsekey')
hibandroid=('_humblebundleandroidkey'
            '_humblebundleandroid2key')

[[ -f "${_humblebundledir}/${!_archive}" ]] && {
  ln -sf "${_humblebundledir}/${!_archive}" .
}

_genkeyarray() {

_checkkey
}

_checkkey() {
  for keyvar in "${_keyarray[@]}"; do
  _key="keyvar"
  [[ -n "${!_key}" ]] && break
  done
  _checkgame
}

_checkgame() {
  [[ -f "${!_archive}" ]] || {
    local _prompt="Absolute path (omit trailing slashes): "
    [[ -z "${_humblebundledir}" ]] && {
    echo "Specify the path to the directory containing ${!_archive}"
    echo -n "${_prompt}"
    while read -r _dir; do
      while [[ -f "${_dir}/${!_archive}" ]]; do
        [[ $(md5sum "${_dir}/${!_archive}") == ${md5sum[0]} ]] {
          ln -sf "${_dir}/${!_archive}" .
          export _humblebundledir="${_dir}"
      }
      done
    done
    }

    echo "Y to specify path to existing download, blank to specify your humble indie bundle key."
    echo "Alternatively, place the download into ${_humblebundledir} and retry."
    read -r _cont

    case "${_cont}" in
      [yY]) _dlgame
        ;;
      *) echo "Specify your humble indie bundle key."
        echo -n "Humble Indie Bundle key: "
        read -r _hib
        [[ -n "${_hib}" ]] && _key="_hib"
        ;;
    esac
  }
}

_dlgame() {
  _uri="$(curl -s http://www.humblebundle.com/downloads?key="${!_key}" \
    | grep "${!_archive}")"
  echo "  1. Torrent with aria2c"
  echo "  2. HTTP with curl"

  echo -n "Choose download method: "
  read -a _method
  case "${_method}" in
    1)
      if [[ -x "$(type -p aria2c)" ]]; then
        _uri="${_uri##*data-bt\=\'}"
        _uri="${_uri%%\'*}" 
        echo "To resume this download later run:"
        echo "\`aria2c ${pkgname}.torrent\`"
        [[ ! -f "${pkgname}.torrent" ]] &&
          curl -o "${pkgname}.torrent" "${_uri}"
        aria2c "${pkgname}.torrent" --seed-time=0
      else
        error "aria2c executable not found! Please install aria2."
      fi
    } ;;
  2)
    _uri="${_uri##*data-web\=\'}"
    _uri="${_uri%%\'*}" 
    [[ -f "${!_archive}.part" ]] &&
      curl -o "${!_archive}.part" "${_uri}"
    mv "${!_archive}.part" "${!_archive}" ;;
  *) echo "Please choose option 1 or 2." ;;
  esac
}