format.sh

#!/bin/sh

root=$(dirname $0)
gofmt=${GOFMT:-gofmt}

add_license()
{
	echo "=> Adding license header to $1"
	ed -s "$1" <<-EOF
0a
// This file is part of Graylog.
//
// Graylog is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Graylog is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Graylog.  If not, see <http://www.gnu.org/licenses/>.

.
w
	EOF
}

for file in $(find "$root" -name '*.go' | fgrep -v vendor/); do
	$gofmt -w -l "$file" && \
		grep -q 'under the terms of the GNU General Public License' $file || \
		add_license "$file"
done

exit 0