#!/bin/bash

set -e

# Make sure we don't introduce accidental references to PATENTS.

EXPECTED='scripts/circleci/check_license.sh'

ACTUAL=$(git grep -l PATENTS)

if [ "$EXPECTED" != "$ACTUAL" ]; then

  echo "PATENTS crept into some new files?"

  diff -u <(echo "$EXPECTED") <(echo "$ACTUAL") || true

  exit 1

fi