#!/usr/bin/env bash
set -Eeuo pipefail

cd "$(dirname "$(readlink -f "$BASH_SOURCE")")/.."

if [ "$TRAVIS_PULL_REQUEST" != 'false' ]; then
	git fetch -q https://github.com/docker-library/docs.git master
	if [ -n "$(git diff --numstat FETCH_HEAD...HEAD -- '*/README.md')" ]; then
		echo >&2 'Error: at least one repo README.md has changed'
		echo >&2 'These files are autogenerated, so it is unnecessary to modify them'
		echo >&2 'Please update content.md and docker-library-bot will take care of README.md'
		echo >&2 'See: https://github.com/docker-library/docs/#image-namereadmemd'
		echo >&2
		exit 1
	fi
fi