#!/usr/bin/env bash

set -o errexit
set -o nounset
set -o pipefail

ret=0

for file in $(find . -type f -iname '*.go' ! -path './vendor/*'); do
	(head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED)") || (echo "${file}:missing license header" && ret=1)
done

exit $ret