Rename and refactor Darwin-specific modules

Renamed several modules to better align with Darwin-specific configurations. Refactored configuration for Alacritty and removed it from system packages where not needed. Introduced Homebrew settings and cleaned up redundant entries in multiple Nix files.

homes/aarch64-darwin/harald@m4/default.nix

@@ -9,11 +9,9 @@
     username = "harald";
     homeDirectory = "/Users/${config.home.username}";
     stateVersion = "23.11"; # Please read the comment before changing.
-    # sessionPath = [ "$HOME/bin" ];
   };
 
   metacfg = {
-
     cli-apps = {
       bash.enable = true;
       fish.enable = true;
@@ -24,9 +22,15 @@
     };
 
     tools = {
-      direnv.enable = true;
+      #direnv.enable = true;
       ssh.enable = true;
       git.enable = true;
     };
   };
+
+   xdg.configFile."alacritty/alacritty.toml".source = (pkgs.formats.toml { }).generate "alacritty-config" {
+        font = {
+          size = 17;
+        };
+    };
 }

homes/x86_64-darwin/harald@mpro/default.nix

@@ -24,7 +24,6 @@
     };
 
     tools = {
-      direnv.enable = true;
       ssh.enable = true;
       git.enable = true;
     };

modules/darwin/nix/default.nix

@@ -24,6 +24,11 @@ in
       nix-prefetch-git
     ];
 
+    homebrew = {
+      enable = true;
+      onActivation.autoUpdate = false;
+    };
+
     nix =
       let
         users = [
@@ -34,7 +39,8 @@ in
       {
         package = cfg.package;
 
-        settings = {
+        settings =
+          {
             experimental-features = "nix-command flakes";
             http-connections = 50;
             warn-dirty = false;
@@ -57,11 +63,11 @@ in
             # case it becomes important.
             extra-nix-path = "nixpkgs=flake:nixpkgs";
             build-users-group = "nixbld";
-        };
-        #// (lib.optionalAttrs config.metacfg.tools.direnv.enable {
-        #  keep-outputs = true;
-        #  keep-derivations = true;
-        #});
+          }
+          // (lib.optionalAttrs config.metacfg.tools.direnv.enable {
+            keep-outputs = true;
+            keep-derivations = true;
+          });
 
         gc = {
           automatic = true;

modules/darwin/services/base/default.nix

@@ -19,7 +19,6 @@ in
   config = mkIf cfg.enable {
     environment = {
       systemPackages = with pkgs; [
-        alacritty
         age
         delta
         git
@@ -45,6 +44,12 @@ in
       ];
     };
 
+    programs = {
+      fish.enable = true;
+    };
+
+    environment.systemPath = [ /run/current-system/sw/bin ];
+
     programs = {
       bash = {
         ## shellInit = ''
@@ -53,7 +58,6 @@ in
           bind '"\e[B": history-search-forward'
         '';
       };
-      fish.enable = true;
     };
 
     security = {

modules/darwin/tools/alacritty/default.nix

@@ -0,0 +1,18 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+let
+  inherit (lib) mkEnableOption mkIf;
+
+  cfg = config.metacfg.tools.alacritty;
+in
+{
+  options.metacfg.tools.alacritty = {
+    enable = mkEnableOption "alacritty";
+  };
+
+  config = mkIf cfg.enable { environment.systemPackages = with pkgs; [ alacritty ]; };
+}

modules/home/tools/alacritty/default.nix

@@ -1,29 +0,0 @@
-{
-  lib,
-  config,
-  pkgs,
-  ...
-}:
-let
-  inherit (lib) mkEnableOption mkIf;
-
-  cfg = config.metacfg.tools.alacritty;
-in
-{
-  options.metacfg.tools.alacritty = {
-    enable = mkEnableOption "alacritty";
-  };
-
-  config = mkIf cfg.enable {
-    home.packages = with pkgs; [
-      alacritty
-      (pkgs.nerdfonts.override {
-        fonts = [
-          "FiraCode"
-          "DroidSansMono"
-          "JetBrainsMono"
-        ];
-      })
-    ];
-  };
-}

systems/aarch64-darwin/m4/default.nix

@@ -6,6 +6,9 @@ with lib.metacfg;
     suites = {
       common = enabled;
     };
+    tools = {
+      direnv.enable = true;
+    };
   };
 
   environment.systemPackages = with pkgs; [