Enhancement

- Implemented tri-state confirmation in the annotate command.

src/command.cpp

@@ -1172,9 +1172,20 @@ std::string handleAnnotate ()
   // Filter sequence.
   context.filter.applySequence (tasks, context.sequence);
 
+  Permission permission;
+  if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
+    permission.bigSequence ();
+
   foreach (task, tasks)
   {
+    Task before (*task);
     task->addAnnotation (context.task.get ("description"));
+
+    if (taskDiff (before, *task))
+    {
+      std::string question = taskDifferences (before, *task) + "Are you sure?";
+      if (permission.confirmed (question))
+      {
         context.tdb.update (*task);
 
         if (context.config.get ("echo.command", true))
@@ -1185,6 +1196,8 @@ std::string handleAnnotate ()
               << "'"
               << std::endl;
       }
+    }
+  }
 
   context.tdb.commit ();
   context.tdb.unlock ();