message: Apparently gzip is bad too?
diff: @@ -124,7 +124,7 @@ module.exports = function(grunt) {
  const promises = [];
  this.filesSrc.forEach(function(file) {
  promises.push(new Promise(function(resolve, reject) {
  - execFile("gzip", ["--best", "--keep", "--no-name", file], function(error, stdout, stderr) {
  + execFile("gzip", ["--best", "-k", "--no-name", file], function(error, stdout, stderr) {
  grunt.log.writeln("gzip " + file + " => " + stdout + stderr);
  if (error) {
  reject(error);
  @@ -136,10 +136,11 @@ module.exports = function(grunt) {
  promises.push(new Promise(function(resolve, reject) {
  execFile("brotli/out/bin/bin/bro", ["--quality", "9", "--input", file, "--output", file + ".br"], function(error, stdout, stderr) {
  - grunt.log.writeln("brotli " + file + " => " + stdout + stderr);
  if (error) {
  + grunt.log.writeln("brotli " + file + " => error: " + stdout + stderr);
  reject(error);
  } else {
  + grunt.log.writeln("brotli " + file + " => success");
  resolve();
  }
  });
  