       spell-checking
       syntax-checking
       version-control
-      treemacs
+      (treemacs :variables
+        treemacs-use-follow-mode t
+        treemacs-use-filewatch-mode t
+        treemacs-use-git-mode 'deferred
+        treemacs-lock-width t
+        treemacs-use-all-the-icons-theme t
+        treemacs-use-scope-type 'Perspectives)
 
       nixos
 

      auto-completion
      better-defaults
      emacs-lisp
      fasd
      git
      helm

   ;; List of themes, the first of the list is loaded when spacemacs starts.
   ;; Press `SPC T n' to cycle to the next theme in the list (works great
   ;; with 2 themes variants, one dark and one light)
    dotspacemacs-themes '(sanityinc-tomorrow-eighties wombat)

   ;; Set the theme for the Spaceline. Supported themes are `spacemacs',
   ;; `all-the-icons', `custom', `doom', `vim-powerline' and `vanilla'. The
