Reset progress/results before BootScan

boot_diags/src/app.rs

@@ -529,6 +529,10 @@ impl App {
     }
 
     fn queue_boot_scan_tasks(&mut self) -> Result<()> {
+        self.diag_groups.reset();
+        if let Ok(mut results) = self.results.lock() {
+            results.clear();
+        }
         let disk_list = self.clone.disk_list.lock().unwrap();
         if let Some(disk_index) = self.clone.disk_index_dest {
             if let Some(disk) = disk_list.get(disk_index) {

boot_diags/src/components/progress.rs

@@ -96,7 +96,10 @@ impl Component for Progress {
                     line.running = false;
                 }
             }
-            Action::SetMode(mode) => self.mode = mode,
+            Action::SetMode(mode) => {
+                self.mode = mode;
+                self.lines.clear();
+            }
             _ => {}
         };
         Ok(None)

boot_diags/src/diags.rs

@@ -48,6 +48,11 @@ impl Groups {
         lines
     }
 
+    pub fn reset(&mut self) {
+        self.items.clear();
+        self.order.clear();
+    }
+
     pub fn start(&mut self, title: String) {
         self.order.push(title.clone());
         self.items.insert(