ANSI_RED="\033[31;1m"
ANSI_GREEN="\033[32;1m"
ANSI_RESET="\033[0m"
ANSI_CLEAR="\033[0K"

travis_retry() {
  local result=0
  local count=1
  while [ $count -le 3 ]; do
    [ $result -ne 0 ] && {
      echo -e "\n${ANSI_RED}The command \"$@\" failed. Retrying, $count of 3.${ANSI_RESET}\n" >&2
    }
    "$@"
    result=$?
    [ $result -eq 0 ] && break
    count=$(($count + 1))
    sleep 1
  done

  [ $count -gt 3 ] && {
    echo -e "\n${ANSI_RED}The command \"$@\" failed 3 times.${ANSI_RESET}\n" >&2
  }

  return $result
}

export PATH=$PWD/bin:$PATH
export PATH=$PATH:${TRAVIS_BUILD_DIR}/install/bin
if [ -f ${TRAVIS_BUILD_DIR}/install/bin/luarocks ]; then
    # add local rocks to $PATH
    eval $(luarocks path --bin)
fi