darwin: yabai, skhd. brew -> nix

flakes/darwin/main.nix

@@ -39,6 +39,34 @@
   programs.zsh.enable = true;  # default shell on catalina
   programs.fish.enable = true;
 
+  services = {
+    yabai = {
+      enable = true;
+      enableScriptingAddition = true;
+      config = {
+        layout         = "bsp";
+  
+        mouse_modifier = "fn";
+  
+        # very broken on slow cpu
+        #focus_follows_mouse = "autoraise";
+        #mouse_follows_focus = "on";
+  
+        top_padding    = 10;
+        bottom_padding = 10;
+        left_padding   = 10;
+        right_padding  = 10;
+        window_gap     = 4;
+      };
+    };
+    skhd = {
+      enable = true;
+      skhdConfig = ''
+        cmd - return : open -n ${pkgs.alacritty}/Applications/Alacritty.app
+      '';
+    };
+  };
+
   system.defaults = {
     # Apple... Do I really have to change literally 
     # every setting in macOS to make it actually usable.

flakes/darwin/packages/homebrew.nix

@@ -5,8 +5,6 @@
     enable = true;
     brews = [
       "fastfetch" # fastfetch is broken in nixpkgs
-
-      "yabai" # b3z/small
     ];
     casks = [
       #"alacritty"
@@ -32,7 +30,6 @@
     ];
     taps = [
       "b3z/small" # activate
-      "koekeishiya/formulae" # yabai
     ];
   };
 }

flakes/home-manager/guanranwang/common/dotfiles/config/yabai/yabairc

@@ -1,13 +0,0 @@
-yabai -m config layout bsp
-
-yabai -m config mouse_modifier fn
-
-# very broken on slow cpu
-#yabai -m config focus_follows_mouse autoraise
-#yabai -m config mouse_follows_focus on
-
-yabai -m config top_padding    10
-yabai -m config bottom_padding 10
-yabai -m config left_padding   10
-yabai -m config right_padding  10
-yabai -m config window_gap     4

flakes/home-manager/guanranwang/darwin/dotfiles.nix

@@ -15,10 +15,6 @@ in
       source = "${configPath}/alacritty";
       recursive = true;
     };
-    "yabai" = {
-      source = "${configPath}/yabai";
-      recursive = true;
-    };
     "fish" = {
       source = "${configPath}/fish"; 
       recursive = true;