bool PlatformLauncher::checkForNewUpdater()

in src/main/cpp/bootstrap/platformlauncher.cpp [353:429]
71 lines of code
14 McCabe index (conditional complexity)

bool PlatformLauncher::checkForNewUpdater(const char *basePath) {
    logMsg("checkForNewUpdater() at %s", basePath);
    BOOL removeDir = false;
    string srcPath = basePath;
    srcPath += "\\update\\new_updater\\updater.jar";
    WIN32_FIND_DATA fd = {0};
    HANDLE hFind = FindFirstFile(srcPath.c_str(), &fd);
    if (hFind != INVALID_HANDLE_VALUE) {
        logMsg("New updater found: %s", srcPath.c_str());
        FindClose(hFind);
        string destPath = basePath;
        destPath += "\\modules\\ext\\updater.jar";
        createPath(destPath.c_str());

        int i = 0;
        while (true) {
            if (MoveFileEx(srcPath.c_str(), destPath.c_str(), MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH)) {
                break;
            }
            if (exiting || ++i > 10) {
                logErr(true, false, "Failed to move \"%s\" to \"%s\"", srcPath.c_str(), destPath.c_str());
                return false;
            }
            logErr(true, false, "Failed to move \"%s\" to \"%s\", trying to wait", srcPath.c_str(), destPath.c_str());
            Sleep(100);
        }
        logMsg("New updater successfully moved from \"%s\" to \"%s\"", srcPath.c_str(), destPath.c_str());
        removeDir = true;
    } else {
        logMsg("No new updater at %s", srcPath.c_str());
    }
    string locPath = basePath;
    locPath += "\\update\\new_updater\\updater_*.jar";
    hFind = FindFirstFile(locPath.c_str(), &fd);
    while (hFind != INVALID_HANDLE_VALUE) {
        string destPath = basePath;
        string name = fd.cFileName;
        logMsg("New updater localization found: %s", name.c_str());
        destPath += "\\modules\\ext\\locale\\";
        destPath += name;

        string fromPath = basePath;
        fromPath += "\\update\\new_updater\\";
        fromPath += name;

        createPath(destPath.c_str());

        int i = 0;
        while (true) {
            if (MoveFileEx(fromPath.c_str(), destPath.c_str(), MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH)) {
                break;
            }
            if (exiting || ++i > 10) {
                logErr(true, false, "Failed to move \"%s\" to \"%s\"", fromPath.c_str(), destPath.c_str());
                return false;
            }
            logErr(true, false, "Failed to move \"%s\" to \"%s\", trying to wait", fromPath.c_str(), destPath.c_str());
            Sleep(100);
        }
        logMsg("New updater successfully moved from \"%s\" to \"%s\"", fromPath.c_str(), destPath.c_str());
        removeDir = true;
        
        if (!FindNextFile(hFind, &fd)) {
            break;
        }
    }
    FindClose(hFind);

    if (removeDir) {
        srcPath.erase(srcPath.rfind('\\'));
        logMsg("Removing directory \"%s\"", srcPath.c_str());
        if (!RemoveDirectory(srcPath.c_str())) {
            logErr(true, false, "Failed to remove directory \"%s\"", srcPath.c_str());
        }
    }
    return true;
}