fix: nvim tree auto save

modules/home-manager/programs/nixvim/default.nix

@@ -39,7 +39,6 @@
     trouble.enable = true;
     base = {
       completion.enable = true;
-      
       diagnostics.enable = true;
       find.enable = true;
       formatting = {

modules/home-manager/programs/nixvim/presets/auto-save.nix

@@ -23,20 +23,24 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    autoCmd = [
-      {
-        event = cfg.event;
-        pattern = [ "*" ];
-        callback = {
-          __raw = ''
-            function()
+    extraConfigLua = ''
+      function AutoSave()
         if not vim.b.${cfg.varName} and not vim.g.${cfg.varName} then
+          local bufnr = vim.api.nvim_get_current_buf()
+          local modified = vim.api.nvim_buf_get_option(bufnr, 'modified')
+          if modified then
             vim.cmd('silent! w')
             print("Auto save at " .. os.date("%H:%M:%S"))
           end
         end
+      end
     '';
-        };
+
+    autoCmd = [
+      {
+        event = cfg.event;
+        pattern = [ "*" ];
+        command = "lua AutoSave()";
       }
     ];
 
@@ -79,6 +83,12 @@ in
         };
       };
 
+      neo-tree.eventHandlers.window_before_open = ''
+        function()
+          AutoSave()
+        end
+      '';
+
       lualine.sections.lualine_x = lib.mkOrder 700 [
         "(vim.g.${cfg.varName} or vim.b.${cfg.varName}) and '󱙃' or nil"
       ];

modules/home-manager/programs/nixvim/presets/base/tree.nix

@@ -17,15 +17,18 @@ in
     plugins = {
       neo-tree = {
         enable = true;
-        filesystem.filteredItems.visible = true;
-        eventHandlers = {
-          file_opened = ''
+        filesystem = {
+          useLibuvFileWatcher = true;
+          followCurrentFile.enabled = true;
+          filteredItems.visible = true;
+        };
+        popupBorderStyle = "rounded";
+        eventHandlers.file_opened = ''
           function()
             require('neo-tree').close_all()
           end
         '';
       };
-      };
       which-key.registrations."<leader>f".t = "Tree";
     };
   };