i3: configure autorandr to restart polybar

home/profiles/i3/default.nix

@@ -20,7 +20,9 @@ let
 in {
   imports = [ ./polybar.nix ];
 
-  home.packages = with pkgs; [ arandr autorandr ];
+  home.packages = with pkgs; [ arandr ];
+
+  programs.autorandr.enable = true;
 
   xsession.windowManager.i3 = {
     enable = true;

home/profiles/i3/polybar.nix

@@ -59,4 +59,9 @@
     };
     extraConfig = lib.readFile ./polybar.ini;
   };
+
+  programs.autorandr.hooks.postswitch.restart-polybar = ''
+    sleep 1
+    systemctl --user restart polybar.service
+  '';
 }