add `cryptomator.disableUpdateCheck` property

src/main/java/org/cryptomator/common/Environment.java

@@ -32,6 +32,7 @@ public class Environment {
 	private static final String BUILD_NUMBER_PROP_NAME = "cryptomator.buildNumber";
 	private static final String PLUGIN_DIR_PROP_NAME = "cryptomator.pluginDir";
 	private static final String TRAY_ICON_PROP_NAME = "cryptomator.showTrayIcon";
+	private static final String DISABLE_UPDATE_CHECK_PROP_NAME = "cryptomator.disableUpdateCheck";
 
 	private Environment() {}
 
@@ -53,6 +54,7 @@ public class Environment {
 		logCryptomatorSystemProperty(BUILD_NUMBER_PROP_NAME);
 		logCryptomatorSystemProperty(PLUGIN_DIR_PROP_NAME);
 		logCryptomatorSystemProperty(TRAY_ICON_PROP_NAME);
+		logCryptomatorSystemProperty(DISABLE_UPDATE_CHECK_PROP_NAME);
 	}
 
 	public static Environment getInstance() {
@@ -124,6 +126,10 @@ public class Environment {
 		return Boolean.getBoolean(TRAY_ICON_PROP_NAME);
 	}
 
+	public boolean disableUpdateCheck() {
+		return Boolean.getBoolean(DISABLE_UPDATE_CHECK_PROP_NAME);
+	}
+
 	private Optional<Path> getPath(String propertyName) {
 		String value = System.getProperty(propertyName);
 		return Optional.ofNullable(value).map(Paths::get);

src/main/java/org/cryptomator/ui/fxapp/FxApplication.java

@@ -1,6 +1,7 @@
 package org.cryptomator.ui.fxapp;
 
 import dagger.Lazy;
+import org.cryptomator.common.Environment;
 import org.cryptomator.common.settings.Settings;
 import org.cryptomator.ui.traymenu.TrayMenuComponent;
 import org.slf4j.Logger;
@@ -17,6 +18,7 @@ public class FxApplication {
 	private static final Logger LOG = LoggerFactory.getLogger(FxApplication.class);
 
 	private final long startupTime;
+	private final Environment environment;
 	private final Settings settings;
 	private final AppLaunchEventHandler launchEventHandler;
 	private final Lazy<TrayMenuComponent> trayMenu;
@@ -26,8 +28,9 @@ public class FxApplication {
 	private final AutoUnlocker autoUnlocker;
 
 	@Inject
-	FxApplication(@Named("startupTime") long startupTime, Settings settings, AppLaunchEventHandler launchEventHandler, Lazy<TrayMenuComponent> trayMenu, FxApplicationWindows appWindows, FxApplicationStyle applicationStyle, FxApplicationTerminator applicationTerminator, AutoUnlocker autoUnlocker) {
+	FxApplication(@Named("startupTime") long startupTime, Environment environment, Settings settings, AppLaunchEventHandler launchEventHandler, Lazy<TrayMenuComponent> trayMenu, FxApplicationWindows appWindows, FxApplicationStyle applicationStyle, FxApplicationTerminator applicationTerminator, AutoUnlocker autoUnlocker) {
 		this.startupTime = startupTime;
+		this.environment = environment;
 		this.settings = settings;
 		this.launchEventHandler = launchEventHandler;
 		this.trayMenu = trayMenu;
@@ -68,7 +71,9 @@ public class FxApplication {
 			return null;
 		});
 
-		appWindows.checkAndShowUpdateReminderWindow();
+		if (!environment.disableUpdateCheck()) {
+			appWindows.checkAndShowUpdateReminderWindow();
+		}
 
 		launchEventHandler.startHandlingLaunchEvents();
 		autoUnlocker.tryUnlockForTimespan(2, TimeUnit.MINUTES);

src/main/java/org/cryptomator/ui/fxapp/UpdateChecker.java

@@ -22,23 +22,23 @@ public class UpdateChecker {
 	private static final Logger LOG = LoggerFactory.getLogger(UpdateChecker.class);
 	private static final Duration AUTOCHECK_DELAY = Duration.seconds(5);
 
+	private final Environment env;
 	private final Settings settings;
-	private final String currentVersion;
 	private final StringProperty latestVersionProperty;
 	private final Comparator<String> semVerComparator;
 	private final ScheduledService<String> updateCheckerService;
 
 	@Inject
 	UpdateChecker(Settings settings, Environment env, @Named("latestVersion") StringProperty latestVersionProperty, @Named("SemVer") Comparator<String> semVerComparator, ScheduledService<String> updateCheckerService) {
+		this.env = env;
 		this.settings = settings;
 		this.latestVersionProperty = latestVersionProperty;
 		this.semVerComparator = semVerComparator;
 		this.updateCheckerService = updateCheckerService;
-		this.currentVersion = env.getAppVersion();
 	}
 
 	public void automaticallyCheckForUpdatesIfEnabled() {
-		if (settings.checkForUpdates.get()) {
+		if (!env.disableUpdateCheck() && settings.checkForUpdates.get()) {
 			startCheckingForUpdates(AUTOCHECK_DELAY);
 		}
 	}
@@ -63,9 +63,9 @@ public class UpdateChecker {
 
 	private void checkSucceeded(WorkerStateEvent event) {
 		String latestVersion = updateCheckerService.getValue();
-		LOG.info("Current version: {}, lastest version: {}", currentVersion, latestVersion);
+		LOG.info("Current version: {}, lastest version: {}", getCurrentVersion(), latestVersion);
 
-		if (semVerComparator.compare(currentVersion, latestVersion) < 0) {
+		if (semVerComparator.compare(getCurrentVersion(), latestVersion) < 0) {
 			// update is available
 			latestVersionProperty.set(latestVersion);
 		} else {
@@ -88,7 +88,7 @@ public class UpdateChecker {
 	}
 
 	public String getCurrentVersion() {
-		return currentVersion;
+		return env.getAppVersion();
 	}
 
 }

src/main/java/org/cryptomator/ui/preferences/PreferencesController.java

@@ -1,5 +1,6 @@
 package org.cryptomator.ui.preferences;
 
+import org.cryptomator.common.Environment;
 import org.cryptomator.ui.common.FxController;
 import org.cryptomator.ui.fxapp.UpdateChecker;
 import org.slf4j.Logger;
@@ -19,6 +20,7 @@ public class PreferencesController implements FxController {
 
 	private static final Logger LOG = LoggerFactory.getLogger(PreferencesController.class);
 
+	private final Environment env;
 	private final Stage window;
 	private final ObjectProperty<SelectedPreferencesTab> selectedTabProperty;
 	private final BooleanBinding updateAvailable;
@@ -31,7 +33,8 @@ public class PreferencesController implements FxController {
 	public Tab aboutTab;
 
 	@Inject
-	public PreferencesController(@PreferencesWindow Stage window, ObjectProperty<SelectedPreferencesTab> selectedTabProperty, UpdateChecker updateChecker) {
+	public PreferencesController(Environment env, @PreferencesWindow Stage window, ObjectProperty<SelectedPreferencesTab> selectedTabProperty, UpdateChecker updateChecker) {
+		this.env = env;
 		this.window = window;
 		this.selectedTabProperty = selectedTabProperty;
 		this.updateAvailable = updateChecker.latestVersionProperty().isNotNull();
@@ -42,6 +45,9 @@ public class PreferencesController implements FxController {
 		window.setOnShowing(this::windowWillAppear);
 		selectedTabProperty.addListener(observable -> this.selectChosenTab());
 		tabPane.getSelectionModel().selectedItemProperty().addListener(observable -> this.selectedTabChanged());
+		if (env.disableUpdateCheck()) {
+			tabPane.getTabs().remove(updatesTab);
+		}
 	}
 
 	private void selectChosenTab() {