Function startWineInit

lib/exec.ts:475–586

()

let wineInitPromise: Promise<void> | null;

export function startWineInit() {
    const wine = execProps<string | undefined>('wine');
    if (!wine) {
        logger.info('WINE not configured');
        return;
    }

    const server = execProps('wineServer');
    const executionType = execProps('executionType', 'none');
    // We need to fire up a firejail wine server even in nsjail world (for now).
    const firejail = executionType === 'firejail' || executionType === 'nsjail' ? execProps<string>('firejail') : null;
    const env = applyWineEnv({PATH: unwrapString(process.env.PATH)});
    const prefix = env.WINEPREFIX;

    logger.info(`Initialising WINE in ${prefix}`);

    const asyncSetup = async (): Promise<void> => {
        await fs.mkdir(prefix, {recursive: true});

        logger.info('Killing any pre-existing wine-server');
        child_process.exec(`${server} -k || true`, {env: env});

        // We run a long-lived cmd process, to:
        // * test that WINE works
        // * be something which holds open a working firejail sandbox
        // All future WINE compiles go through the same sandbox.
        // We wait until the process has printed out some known good text, but don't wait
        // for it to exit (it won't, on purpose).

        let wineServer: child_process.ChildProcess | undefined;
        if (firejail) {
            logger.info('Starting a new, firejailed, long-lived wineserver complex');
            wineServer = child_process.spawn(
                firejail,
                [
                    '--quiet',
                    '--profile=' + getFirejailProfileFilePath('wine'),
                    '--private',
                    `--name=${wineSandboxName}`,
                    wine,
                    'cmd',
                ],
                {env: env, detached: true},
            );
            logger.info(`firejailed pid=${wineServer.pid}`);
        } else {
            logger.info(`Starting a new, long-lived wineserver complex ${server}`);
            wineServer = child_process.spawn(wine, ['cmd'], {env: env, detached: true});
            logger.info(`wineserver pid=${wineServer.pid}`);
        }

        wineServer.on('close', code => {
            logger.info(`WINE server complex exited with code ${code}`);
        });

        Graceful.on('exit', () => {
            const waitingPromises: Promise<void>[] = [];