first impl draft

pom.xml

@@ -38,7 +38,7 @@
 		<cryptomator.integrations.win.version>1.2.0</cryptomator.integrations.win.version>
 		<cryptomator.integrations.mac.version>1.2.0</cryptomator.integrations.mac.version>
 		<cryptomator.integrations.linux.version>1.2.0</cryptomator.integrations.linux.version>
-		<cryptomator.fuse.version>2.0.4</cryptomator.fuse.version>
+		<cryptomator.fuse.version>2.1.0-SNAPSHOT</cryptomator.fuse.version>
 		<cryptomator.dokany.version>2.0.0</cryptomator.dokany.version>
 		<cryptomator.webdav.version>2.0.2</cryptomator.webdav.version>
 

src/main/java/org/cryptomator/common/mount/Mounter.java

@@ -65,7 +65,13 @@ public class Mounter {
 							builder.setMountFlags(mountFlags);
 						}
 					}
-					case VOLUME_ID -> builder.setVolumeId(vaultSettings.getId());
+					case VOLUME_ID -> {
+						if(vaultSettings.usesVaultIdAsVolumeId().get()) {
+							builder.setVolumeId(vaultSettings.getId()+"\\test");
+						} else {
+							builder.setVolumeId(vaultSettings.mountName().get());
+						}
+					}
 					case VOLUME_NAME -> builder.setVolumeName(vaultSettings.mountName().get());
 				}
 			}

src/main/java/org/cryptomator/common/settings/VaultSettings.java

@@ -42,6 +42,7 @@ public class VaultSettings {
 	private final String id;
 	private final ObjectProperty<Path> path = new SimpleObjectProperty<>();
 	private final StringProperty displayName = new SimpleStringProperty();
+	private final BooleanProperty vaultIdAsVolumeId = new SimpleBooleanProperty(false);
 	private final BooleanProperty unlockAfterStartup = new SimpleBooleanProperty(DEFAULT_UNLOCK_AFTER_STARTUP);
 	private final BooleanProperty revealAfterMount = new SimpleBooleanProperty(DEFAULT_REVEAL_AFTER_MOUNT);
 	private final BooleanProperty usesReadOnlyMode = new SimpleBooleanProperty(DEFAULT_USES_READONLY_MODE);
@@ -127,6 +128,10 @@ public class VaultSettings {
 		return mountPoint;
 	}
 
+	public BooleanProperty usesVaultIdAsVolumeId() {
+		return vaultIdAsVolumeId;
+	}
+
 	public BooleanProperty usesReadOnlyMode() {
 		return usesReadOnlyMode;
 	}

src/main/java/org/cryptomator/ui/vaultoptions/MountOptionsController.java

@@ -40,6 +40,7 @@ public class MountOptionsController implements FxController {
 	private final ObservableValue<String> defaultMountFlags;
 	private final ObservableValue<Boolean> mountpointDirSupported;
 	private final ObservableValue<Boolean> mountpointDriveLetterSupported;
+	private final ObservableValue<Boolean> volumeIdSupported;
 	private final ObservableValue<Boolean> readOnlySupported;
 	private final ObservableValue<Boolean> mountFlagsSupported;
 	private final ObservableValue<String> directoryPath;
@@ -48,6 +49,7 @@ public class MountOptionsController implements FxController {
 
 	//-- FXML objects --
 	public CheckBox readOnlyCheckbox;
+	public CheckBox useVaultIdAsVolumeId;
 	public CheckBox customMountFlagsCheckbox;
 	public TextField mountFlagsField;
 	public ToggleGroup mountPointToggleGroup;
@@ -73,6 +75,7 @@ public class MountOptionsController implements FxController {
 		this.mountpointDirSupported = mountService.map(as -> as.service().hasCapability(MountCapability.MOUNT_TO_EXISTING_DIR) || as.service().hasCapability(MountCapability.MOUNT_WITHIN_EXISTING_PARENT));
 		this.mountpointDriveLetterSupported = mountService.map(as -> as.service().hasCapability(MountCapability.MOUNT_AS_DRIVE_LETTER));
 		this.mountFlagsSupported = mountService.map(as -> as.service().hasCapability(MountCapability.MOUNT_FLAGS));
+		this.volumeIdSupported = mountService.map(as -> as.service().hasCapability(MountCapability.VOLUME_ID));
 		this.readOnlySupported = mountService.map(as -> as.service().hasCapability(MountCapability.READ_ONLY));
 		this.directoryPath = vault.getVaultSettings().mountPoint().map(p -> isDriveLetter(p) ? null : p.toString());
 		this.applicationWindows = applicationWindows;
@@ -83,6 +86,9 @@ public class MountOptionsController implements FxController {
 		// readonly:
 		readOnlyCheckbox.selectedProperty().bindBidirectional(vaultSettings.usesReadOnlyMode());
 
+		// use volume name as volume id
+		useVaultIdAsVolumeId.selectedProperty().bindBidirectional(vaultSettings.usesVaultIdAsVolumeId());
+
 		// custom mount flags:
 		mountFlagsField.disableProperty().bind(customMountFlagsCheckbox.selectedProperty().not());
 		customMountFlagsCheckbox.setSelected(!Strings.isNullOrEmpty(vaultSettings.mountFlags().getValue()));
@@ -267,6 +273,16 @@ public class MountOptionsController implements FxController {
 		return readOnlySupported.getValue();
 	}
 
+	public ObservableValue<Boolean> volumeIdSupportedProperty() {
+		return volumeIdSupported;
+	}
+
+	public boolean getVolumeIdSupported() {
+		return volumeIdSupported.getValue();
+	}
+
+
+
 	public ObservableValue<String> directoryPathProperty() {
 		return directoryPath;
 	}

src/main/resources/fxml/vault_options_mount.fxml

@@ -30,6 +30,7 @@
 			<Hyperlink styleClass="hyperlink-underline" text="%vaultOptions.mount.linkToPreferences" onAction="#openVolumePreferences" wrapText="true"/>
 		</TextFlow>
 		<CheckBox fx:id="readOnlyCheckbox" text="%vaultOptions.mount.readonly" visible="${controller.readOnlySupported}" managed="${controller.readOnlySupported}"/>
+		<CheckBox fx:id="useVaultIdAsVolumeId" text="TODO vault id as volume id" visible="${controller.volumeIdSupported}" managed="${controller.volumeIdSupported}"/>
 
 		<VBox visible="${controller.mountFlagsSupported}" managed="${controller.mountFlagsSupported}">
 			<CheckBox fx:id="customMountFlagsCheckbox" text="%vaultOptions.mount.customMountFlags" onAction="#toggleUseCustomMountFlags"/>