import {readFileSync, writeFileSync} from "fs";
export function filterResolvFile() {
	if (process.env.RUN_IN_DOCKER) {
		const newContent = readFileSync('/etc/resolv.conf', 'utf-8').split(/\n/g).filter((e) => {
			return /^\s*nameserver/i.test(e);
		}).join('\n');
		writeFileSync('/etc/resolv.conf', newContent, {encoding: 'utf8'});
		console.log('-------resolv.conf-------\n%s\n-------------------------', newContent);
	} else {
		console.log('\x1B[2m< not run in docker, do not filter resolv.conf >\x1B[0m');
	}
}