mattermost-desktop/scripts/afterpack.js

// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

const path = require('path');

const {spawn} = require('electron-notarize/lib/spawn.js');

const SETUID_PERMISSIONS = '4755';

exports.default = async function afterPack(context) {
  if (context.electronPlatformName === 'linux') {
    context.targets.forEach(async (target) => {
      if (!['appimage', 'snap'].includes(target.name.toLowerCase())) {
        const result = await spawn('chmod', [SETUID_PERMISSIONS, path.join(context.appOutDir, 'chrome-sandbox')]);
        if (result.code !== 0) {
          throw new Error(
            `Failed to set proper permissions for linux arch on ${target.name}`,
          );
        }
      }
    });
  }
};