From 697ba800a61a9343a144d33deb4c96b91316e571 Mon Sep 17 00:00:00 2001
From: clay53 <clayton@claytondoesthings.xyz>
Date: Tue, 4 Nov 2025 13:58:34 -0500
Subject: [PATCH] remote building

---
 clhickey-nixos/configuration.nix |  2 ++
 cos.nix                          |  1 +
 remoteBuild.nix                  | 24 ++++++++++++++++++++++++
 3 files changed, 27 insertions(+)
 create mode 100644 remoteBuild.nix

diff --git a/clhickey-nixos/configuration.nix b/clhickey-nixos/configuration.nix
index 4a01680..1496348 100644
--- a/clhickey-nixos/configuration.nix
+++ b/clhickey-nixos/configuration.nix
@@ -12,6 +12,8 @@
   cos.winboat.enable = true;
   cos.docker.enable = true;
 
+  cos.remoteBuild.enable = true;
+
   boot = {
     loader = {
       systemd-boot.enable = true;
diff --git a/cos.nix b/cos.nix
index 531862a..156798a 100644
--- a/cos.nix
+++ b/cos.nix
@@ -5,6 +5,7 @@
     ./wireguard.nix
     ./winboat.nix
     ./docker.nix
+    ./remoteBuild.nix
     "${inputs.home-manager}/nixos"
   ];
 
diff --git a/remoteBuild.nix b/remoteBuild.nix
new file mode 100644
index 0000000..de66002
--- /dev/null
+++ b/remoteBuild.nix
@@ -0,0 +1,24 @@
+{ lib, config, ... }:
+let cfg = config.cos.remoteBuild; in
+{
+  options.cos.remoteBuild = {
+    enable = lib.mkEnableOption "Turn on remote builders";
+  };
+
+  config = lib.mkIf cfg.enable {
+    cos.wireguard.enable = true;
+
+    nix.buildMachines = [{
+      sshUser = "clhickey";
+      hostName = config.cos.wireguard.clientPubOptionsMap.nixnas.ip;
+      system = "x86_64-linux";
+      protocol = "ssh-ng";
+      maxJobs = 4;
+      speedFactor = 1;
+      supportedFeatures = [ "kvm" "nixos-tests" "big-parallel" ];
+      mandatoryFeatures = [];
+    }];
+    nix.distributedBuilds = true;
+    nix.settings.builders-use-substitutes = false;
+  };
+}