#!/bin/bash

set -e

ROOT_DIR=$(realpath $(dirname ${BASH_SOURCE[0]}))/../..

SRC_DIR=$ROOT_DIR/src

COPYING_HEADER="\/*\n * wasm-ir - Intermediate Representation of WebAssembly\n * Copyright \© 2019-2022 Blue Forest\n *\n * This program is free software: you can redistribute it and\/or modify\n * it under the terms of the GNU Affero General Public License as published\n * by the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU Affero General Public License for more details.\n *\n * You should have received a copy of the GNU Affero General Public License\n * along with this program. If not, see <https:\/\/www.gnu.org\/licenses\/>.\n *\/\n\n"

git stash -k -u

for i in $(find $SRC_DIR -name '*.rs' -or -name '*.pest'); do
  if ! grep -q "Copyright © 2019-2022 Blue Forest" $i; then
    echo "Adding license header to $i"
    sed -i "1s/^/$COPYING_HEADER/" $i
    git add $i
  fi
done

git stash pop