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/*
* Copyright (C) 2022 Kristóf Marussy <kristof@marussy.com>
*
* This file is part of Sophie.
*
* Sophie is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
const { readFile, rename, writeFile } = require('node:fs/promises');
const path = require('node:path');
const templatePath = path.join(__dirname, '../build-helpers/detect_wayland.sh');
/**
* Replaces the `{{handlebars}}` in the template with the replacements.
*
* Each `{{VARIABLE}}` will be repalced by `value` in the replacement `['VARIABLE', value]`.
*
* @param {string} template The template.
* @param {[string, string][]} replacements The replacements to apply.
* @returns
*/
function executeTemplate(template, ...replacements) {
const replacementsMap = new Map(replacements);
return template.replaceAll(
/{{([^}]+)}}/g,
(_match, /** @type {string} */ variable) => {
const replacement = replacementsMap.get(variable);
if (replacement === undefined) {
throw new Error(`Unknown variable: ${variable}`);
}
return replacement;
},
);
}
/**
* Adds a wrapper scripts that detects in wayland is in use and enabled it in chromium.
*
* The script in `build-heleprs/detect_wayland.sh` uses the `WAYLAND_DISPLAY` environmental
* variable to detect whether wayland is in use.
*
* If wayland is in use, the script enables the wayland ozone backed for chromium
* and pipewire screen sharing. Otherwise, the x11 ozone backend will be used.
*
* @param {import('electron-builder').AfterPackContext} context The `electron-builder` context.
* @return {Promise<void>} The promise to add the wrapper script.
* @see https://stackoverflow.com/a/45537237
*/
module.exports = async function enableWaylandAutoDetection(context) {
const {
appOutDir,
packager: {
appInfo: { productName, productFilename },
},
} = context;
const electronBinaryPath = path.join(appOutDir, productFilename);
const newFilename = `${productFilename}-bin`;
const newElectronBinaryPath = path.join(appOutDir, newFilename);
await rename(electronBinaryPath, newElectronBinaryPath);
const wrapperScriptTempate = await readFile(templatePath, 'utf8');
const wrapperScript = executeTemplate(
wrapperScriptTempate,
['PRODUCT_NAME', productName],
['REAL_BINARY_NAME', newFilename],
);
await writeFile(electronBinaryPath, wrapperScript, {
encoding: 'utf8',
mode: 0o755,
});
};
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