feat: redraw tabline

lua/harpoon/mark.lua

@@ -11,10 +11,17 @@ local callbacks = {}
 -- need one event emitted
 local function emit_changed()
     log.trace("_emit_changed()")
-    if harpoon.get_global_settings().save_on_change then
+
+    local global_settings = harpoon.get_global_settings()
+
+    if global_settings.save_on_change then
         harpoon.save()
     end
 
+    if global_settings.tabline then
+        vim.cmd("redrawt")
+    end
+
     if not callbacks["changed"] then
         log.trace("_emit_changed(): no callbacks for 'changed', returning")
         return

lua/harpoon/tabline.lua

@@ -39,7 +39,14 @@ function M.setup(opts)
         for i, tab in ipairs(original_tabs) do
             local is_current = string.match(vim.fn.bufname(), tab.filename) or vim.fn.bufname() == tab.filename
 
-            local label = tabs[i].filename
+            local label
+
+            if tabs[i].filename == "" or tabs[i].filename == "(empty)" then
+                label = "(empty)"
+                is_current = false
+            else
+                label = tabs[i].filename
+            end
 
 
             if is_current then