Add remove mount capabilities to CLI and UI #62

web/repertory/lib/widgets/mount_widget.dart

@@ -94,12 +94,36 @@ class _MountWidgetState extends State<MountWidget>
                                   setState(() {
                                     _enabled = false;
                                   });
-
-                                  await mount.remove();
-
-                                  setState(() {
-                                    _enabled = true;
-                                  });
+                                  return doShowDialog(
+                                    context,
+                                    AlertDialog(
+                                      actions: [
+                                        TextButton(
+                                          child: const Text('Yes'),
+                                          onPressed: () async {
+                                            await mount.remove();
+                                            setState(() {
+                                              _enabled = true;
+                                            });
+                                            Navigator.of(context).pop();
+                                          },
+                                        ),
+                                        TextButton(
+                                          child: const Text('No'),
+                                          onPressed: () {
+                                            setState(() {
+                                              _enabled = true;
+                                            });
+                                            Navigator.of(context).pop();
+                                          },
+                                        ),
+                                      ],
+                                      title: const Text(
+                                        'Are you sure?',
+                                        textAlign: TextAlign.center,
+                                      ),
+                                    ),
+                                  );
                                 }
                               : null,
                         ),