home: zsh: explicitly set history save size

Turns out the `history.save` limit is for what is *loaded into memory*,
not what is written to disk.

home/wm/dunst.nix

@@ -11,6 +11,10 @@ in
         global = {
           alignment = "center"; # Put message in the middle of the box
           browser = "xdg-open"; # use default browser to open links
+          dmenu =
+            lib.mkIf
+              config.my.home.wm.rofi.enable
+              "rofi -p dunst -dmenu"; # use rofi for menu
           follow = "keyboard"; # follow keyboard focus
           font = "Monospace 8"; # Simple looking font
           frame_width = 3; # small frame

home/wm/i3.nix

@@ -187,13 +187,13 @@ in
             # Focus child container
             "${modifier}+a" = "focus child";
           }
-          {
+          (lib.optionalAttrs config.my.home.wm.rofi.enable {
             # Rofi tools
             "${modifier}+d" = "exec rofi -show drun -disable-history";
             "${modifier}+Shift+d" = "exec rofi -show run -disable-history";
             "${modifier}+p" = "exec --no-startup-id flameshot gui";
             "${modifier}+Shift+p" = "exec rofi -show emoji";
-          }
+          })
           (
             # Changing container focus
             genMovementBindings (

home/zsh/default.nix

@@ -14,6 +14,8 @@ in
 
     history = {
       size = 500000;
+      save = 500000;
+      extended = false;
       ignoreSpace = true;
       ignoreDups = true;
       share = true;