Delete and merge files

system/devices/boot/root-reset/default.nix

@@ -1,7 +1,7 @@
 { config, ... }:
 {
   boot.initrd.systemd.services.root-reset = {
-    enable = config.environment.persistence."/persist".enable;
+    enable = true;
     description = "Create new and snapshot previous root";
     wantedBy = [ "initrd.target" ];
     before = [ "sysroot.mount" ];

system/services/general/ssh/fail2ban/default.nix

@@ -1,10 +0,0 @@
-{ ... }:
-{
-  services.fail2ban = {
-    enable = true;
-    maxretry = 5;
-    bantime = "10m";
-  };
-
-  environment.persistence."/persist".directories = [ "/var/lib/fail2ban" ];
-}

system/settings/nix/default.nix

@@ -1,23 +1,22 @@
-{ config, lib, pkgs, unstable, ... }:
+{ config, pkgs, unstable, ... }:
 {
-  imports = [ ./gc ];
-
-  options.nixpkgs.allowUnfreePackages = lib.mkOption {
-    type = with lib.types; listOf str;
-  };
-
-  config = {
-    nix.settings = {
+  nix = {
+    settings = {
       experimental-features = [
         "nix-command"
         "flakes"
       ];
       auto-optimise-store = true;
     };
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+  };
 
   _module.args.pkgsUnstable = import unstable {
     inherit (pkgs.stdenv.hostPlatform) system;
     inherit (config.nixpkgs) config;
   };
-  };
 }

system/settings/nix/gc/default.nix

@@ -1,8 +0,0 @@
-{ ... }:
-{
-  nix.gc = {
-    automatic = true;
-    dates = "weekly";
-    options = "--delete-older-than 7d";
-  };
-}