#! /bin/bash

if [[ $1 = -f ]]; then
	shift
	for i in "$@"; do
		grep -q 'GNU General Public License' "$i" || sed -i '0 r copyright-header' "$i"
	done
else
	find src/ \( -name \*.c -o -name \*.cpp -o -name \*.h \) -exec "$0" -f {} +
fi