Method executeTask

launcher/InstanceCopyTask.cpp:39–140

}

void InstanceCopyTask::executeTask()
{
    setStatus(tr("Copying instance %1").arg(m_origInstance->name()));

    m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), [this] {
        if (m_useClone) {
            FS::clone folderClone(m_origInstance->instanceRoot(), m_stagingPath);
            folderClone.matcher(m_matcher.get());

            folderClone(true);
            setProgress(0, folderClone.totalCloned());
            connect(&folderClone, &FS::clone::fileCloned,
                    [this](QString src, QString dst) { setProgress(m_progress + 1, m_progressTotal); });
            return folderClone();
        }
        if (m_useLinks || m_useHardLinks) {
            std::unique_ptr<FS::copy> savesCopy;
            if (m_copySaves) {
                QFileInfo mcDir(FS::PathCombine(m_stagingPath, "minecraft"));
                QFileInfo dotMCDir(FS::PathCombine(m_stagingPath, ".minecraft"));

                QString staging_mc_dir;
                if (dotMCDir.exists() && !mcDir.exists())
                    staging_mc_dir = dotMCDir.filePath();
                else
                    staging_mc_dir = mcDir.filePath();

                savesCopy = std::make_unique<FS::copy>(FS::PathCombine(m_origInstance->gameRoot(), "saves"),
                                                       FS::PathCombine(staging_mc_dir, "saves"));
                savesCopy->followSymlinks(true);
                (*savesCopy)(true);
                setProgress(0, savesCopy->totalCopied());
                connect(savesCopy.get(), &FS::copy::fileCopied, [this](QString src) { setProgress(m_progress + 1, m_progressTotal); });
            }
            FS::create_link folderLink(m_origInstance->instanceRoot(), m_stagingPath);
            int depth = m_linkRecursively ? -1 : 0;  // we need to at least link the top level instead of the instance folder
            folderLink.linkRecursively(true).setMaxDepth(depth).useHardLinks(m_useHardLinks).matcher(m_matcher.get());

            folderLink(true);
            setProgress(0, m_progressTotal + folderLink.totalToLink());
            connect(&folderLink, &FS::create_link::fileLinked,
                    [this](QString src, QString dst) { setProgress(m_progress + 1, m_progressTotal); });
            bool there_were_errors = false;

            if (!folderLink()) {
#if defined Q_OS_WIN32
                if (!m_useHardLinks) {
                    setProgress(0, m_progressTotal);
                    qDebug() << "EXPECTED: Link failure, Windows requires permissions for symlinks";

                    qDebug() << "attempting to run with privelage";

                    QEventLoop loop;
                    bool got_priv_results = false;

                    connect(&folderLink, &FS::create_link::finishedPrivileged, this, [&](bool gotResults) {
                        if (!gotResults) {
                            qDebug() << "Privileged run exited without results!";