ci/travis_wait.bash

# This was borrowed from https://github.com/travis-ci/travis-build/tree/master/lib/travis/build/bash
# to get around https://github.com/travis-ci/travis-ci/issues/9979. It should probably be removed
# as soon as Travis CI has started to provide an easy way to export the functions to bash scripts.

travis_jigger() {
  local cmd_pid="${1}"
  shift
  local timeout="${1}"
  shift
  local count=0

  echo -e "\\n"

  while [[ "${count}" -lt "${timeout}" ]]; do
    count="$((count + 1))"
    echo -ne "Still running (${count} of ${timeout}): ${*}\\r"
    sleep 60
  done

  echo -e "\\n${ANSI_RED}Timeout (${timeout} minutes) reached. Terminating \"${*}\"${ANSI_RESET}\\n"
  kill -9 "${cmd_pid}"
}

travis_wait() {
  local timeout="${1}"

  if [[ "${timeout}" =~ ^[0-9]+$ ]]; then
    shift
  else
    timeout=20
  fi

  local cmd=("${@}")
  local log_file="travis_wait_${$}.log"

  "${cmd[@]}" &>"${log_file}" &
  local cmd_pid="${!}"

  travis_jigger "${!}" "${timeout}" "${cmd[@]}" &
  local jigger_pid="${!}"
  local result

  {
    set +e
    wait "${cmd_pid}" 2>/dev/null
    result="${?}"
    ps -p"${jigger_pid}" &>/dev/null && kill "${jigger_pid}"
    set -e
  }

  if [[ "${result}" -eq 0 ]]; then
    echo -e "\\n${ANSI_GREEN}The command ${cmd[*]} exited with ${result}.${ANSI_RESET}"
  else
    echo -e "\\n${ANSI_RED}The command ${cmd[*]} exited with ${result}.${ANSI_RESET}"
  fi

  echo -e "\\n${ANSI_GREEN}Log:${ANSI_RESET}\\n"
  cat "${log_file}"

  return "${result}"
}