#!/usr/bin/env bash

set -eu

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPT_DIR/.."

source scripts/utils/log

SEARCH_OPTIONS=()

while [[ "$#" -gt 0 ]]; do
    case $1 in
        --submodules) SEARCH_OPTIONS+=("--recurse-submodules");;
        *)
            log_error "Unknown parameter: $1"
            exit 1
            ;;
    esac
    shift
done

YEAR=$(date +%Y)
FIND_PATTERN="^(.*copyright.*(\(c\)|©).*)(20[0-9]{2})(.*Mullvad VPN AB.*)$"
SUBSTITUTE_PATTERN="s/$FIND_PATTERN/\1$YEAR\4/I"

git grep "${SEARCH_OPTIONS[@]}" -ilE "$FIND_PATTERN" | xargs -rd '\n' sed -i -E "$SUBSTITUTE_PATTERN"