#!/usr/bin/env bash
# SPDX-License-Identifier: GPL-3.0-or-later
set -euo pipefail
export FILTER_BRANCH_SQUELCH_WARNING=1

filter_files=$(reuse spdx 2>/dev/null \
	| grep -E '^(FileName: |LicenseInfoInFile: |$)' \
	| rg -U -o --replace '$2 $1' "FileName: (.*)\nLicenseInfoInFile: (.*)\n" \
	| sort -u \
	| grep 'LicenseRef-CGV' \
	| cut -d' ' -f 2 \
	| tr '\n' ' ')

git branch -D filtered
git switch -c filtered
git filter-branch -f --tree-filter "rm -f ${filter_files}" HEAD
git push -f -u filtered filtered
git switch -