forgot about da battery :-P

hosts/laptop/default.nix

@@ -51,13 +51,17 @@
         documentation.enable = true;
         theme.enable = true;
         printing.enable = true;
-        i3.enable = true;
 
         xserver = {
           enable = true;
           libinput = true;
         };
         
+        i3 = {
+          enable = true;
+          battery = true;
+        };
+
         gaming = {
           enable = true;
           homm3 = true;

modules/stuff/i3.nix

@@ -1,5 +1,5 @@
 { lib, pkgs, config, ...}: let
-  inherit (lib) mkIf mkEnableOption mkOption types optionals;
+  inherit (lib) mkIf mkEnableOption mkOption types optionals mergeAttrs optionalAttrs;
   cfg = config.chuj.stuff.i3;
   user = config.chuj.system.user;
 in {
@@ -24,6 +24,7 @@ in {
       };
       default = {};
     };
+    battery = mkEnableOption "battery";
   };
   
   config = let
@@ -205,7 +206,7 @@ in {
           output_format = "i3bar";
         };
 
-        modules = {
+        modules = mergeAttrs {
           # todo MPD module (using read_file most likely, or switch to i3blocks)
 
           "cpu_usage" = {
@@ -234,12 +235,24 @@ in {
           };
 
           "tztime local" = {
-            position = 3;
+            position = 4;
             settings = {
               format = "%Y-%m-%d %H:%M:%S (%A)";
             };
           };
-        };
+        } (optionalAttrs cfg.battery {
+          "battery 0" = {
+            position = 3;
+            settings = {
+              format = "bat%status: %percentage";
+              status_chr = "(+)";
+              status_bat = "";
+              status_unk = "(?)";
+              status_full = "(+)";
+              low_threshold = 30;
+            };
+          };
+        });
       };
 
       home.packages = with pkgs; [