function tryExecNTimes(funcToRetry, retriesLeft, onEveryError) {
  const exitCode = funcToRetry();
  if (exitCode === 0) {
    return exitCode;
  } else {
    if (onEveryError) {
      onEveryError();
    }
    retriesLeft--;
    echo(`Command failed, ${retriesLeft} retries left`);
    if (retriesLeft === 0) {
      return exitCode;
    } else {
      return tryExecNTimes(funcToRetry, retriesLeft, onEveryError);
    }
  }
}
Try executing a function n times recursively.
Return 0 the first time it succeeds
Return code of the last failed commands if not more retries left
@funcToRetry - function that gets retried
@retriesLeft - number of retries to execute funcToRetry
@onEveryError - func to execute if funcToRetry returns non 0