From d43f19c20ac987b682e0045ef004071bac9b50c5 Mon Sep 17 00:00:00 2001
From: moons <moons@moons14.com>
Date: Wed, 26 Aug 2026 17:28:09 +0900
Subject: [PATCH] nix builder

---
 hosts/nix-builder/nixos.nix    | 23 +++++++++++++++++++++++
 modules/systems/nix/common.nix |  2 ++
 2 files changed, 25 insertions(+)

diff --git a/hosts/nix-builder/nixos.nix b/hosts/nix-builder/nixos.nix
index 20b1fd9..aa5ea08 100644
--- a/hosts/nix-builder/nixos.nix
+++ b/hosts/nix-builder/nixos.nix
@@ -1,4 +1,27 @@
 {
   imports = [ ./hardware-configuration.nix ];
 
+  fileSystems."/nix/store" = {
+    device = "/dev/disk/by-label/nix-store";
+    fsType = "ext4";
+
+    options = [
+      "noatime"
+    ];
+
+    neededForBoot = true;
+  };
+
+  fileSystems."/var/lib/nix-build" = {
+    device = "/dev/disk/by-label/nix-build";
+    fsType = "ext4";
+
+    options = [
+      "noatime"
+    ];
+  };
+
+  nix.settings.build-dir = "/var/lib/nix-build";
+
+  services.fstrim.enable = true;
 }
diff --git a/modules/systems/nix/common.nix b/modules/systems/nix/common.nix
index 0a656ff..e030c26 100644
--- a/modules/systems/nix/common.nix
+++ b/modules/systems/nix/common.nix
@@ -7,6 +7,8 @@
       "flakes"
     ];
 
+    connect-timeout = 10;
+
     extra-substituters = [
       "https://cache.nixos.org"
       "https://nix-community.cachix.org"