#!/bin/bash
# This script is meant to be used by the maintainers to keep the EULA up to
# date.  It can also be used as a pre-push hook to automate things:
#
#     ln -s -f ../../update-eula  .git/hooks/pre-push
#
URL="https://unity3d.com/legal/eula"

# Refer users to the original EULA
echo -e "*** for an up-to-date EULA refer to ($URL) ***\n\n" > EULA

# Download updated EULA, convert to plain text
curl -s $URL \
  | xmllint --html --xpath "//section[@id='content']" - 2> /dev/null \
  | elinks -dump \
  | sed '/Quick jump/,$d' >> EULA

# Check for changes (pre-push hook)
if [ -n "$(git diff EULA)" ]; then
  echo "EULA has changed."
  exit 1
fi