Function performUpdate

src/sd_functions.cpp:417–443

** Function name: performUpdate ** Description: this function performs the update ***************************************************************************************/

** Description:   this function performs the update
***************************************************************************************/
bool performUpdate(Stream &updateSource, size_t updateSize, int command) {
    bool success = false;
    tft->fillRoundRect(6, 6, tftWidth - 12, tftHeight - 12, 5, BGCOLOR);
    progressHandler(0, 500);

    pauseSdInstallInput();
    LauncherUpdateTarget target;
    if (launcherUpdateTargetFromCommand(command, target)) {
        prog_handler = target == LAUNCHER_UPDATE_APP ? 0 : 1;
        log_i("updateSize = %d", updateSize);
        if (launcherUpdateStream(updateSource, updateSize, target, progressHandler) &&
            launcherUpdateIsFinished()) {
            log_i("Update successfully completed. Rebooting.");
            displayRedStripe("Post Install Cleanup");
            launcherClearCoredump();
            success = true;
        } else {
            log_i("Error Occurred. Error #: %d", launcherUpdateLastError());
        }
    } else {
        uint8_t error = launcherUpdateLastError();
        displayRedStripe("E:" + String(error) + "-Wrong Partition Scheme");
        launcherDelayMs(2500);
    }
    resumeSdInstallInput();
    return success;
}
static String installedAppNameFromPath(const String &path) { return launcherAppNameFromFile(path); }

static bool flashRawFromSd(