From 399f67ba25029de1e1e900a7e29f10944960836c Mon Sep 17 00:00:00 2001
From: Dominik Polakovics <dominik.polakovics@cloonar.com>
Date: Thu, 23 Oct 2025 02:30:00 +0200
Subject: [PATCH 1/2] feat: fw speed up builds

---
 hosts/fw/configuration.nix   | 20 +++++++++++++++++---
 hosts/fw/modules/microvm.nix |  2 ++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/hosts/fw/configuration.nix b/hosts/fw/configuration.nix
index b9e4a9a..c682909 100644
--- a/hosts/fw/configuration.nix
+++ b/hosts/fw/configuration.nix
@@ -107,7 +107,21 @@
   ];
 
   nix = {
-    settings.auto-optimise-store = true;
+    settings = {
+      auto-optimise-store = true;
+      # Build performance optimizations
+      max-jobs = 4;
+      cores = 4;
+      # Enable eval caching for faster rebuilds
+      eval-cache = true;
+      # Use binary caches to avoid unnecessary rebuilds
+      substituters = [
+        "https://cache.nixos.org"
+      ];
+      trusted-public-keys = [
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      ];
+    };
     gc = {
       automatic = true;
       dates = "weekly";
@@ -123,8 +137,8 @@
   services.tlp = {
     enable = true;
     settings = {
-      CPU_SCALING_GOVERNOR_ON_AC = "powersave"; # powersave or performance
-      CPU_ENERGY_PERF_POLICY_ON_AC = "power"; # power or performance
+      CPU_SCALING_GOVERNOR_ON_AC = "performance"; # powersave or performance
+      CPU_ENERGY_PERF_POLICY_ON_AC = "performance"; # power or performance
       # CPU_MIN_PERF_ON_AC = 0;
       # CPU_MAX_PERF_ON_AC = 100; # max 100
     };
diff --git a/hosts/fw/modules/microvm.nix b/hosts/fw/modules/microvm.nix
index 30ee742..1270ac9 100644
--- a/hosts/fw/modules/microvm.nix
+++ b/hosts/fw/modules/microvm.nix
@@ -2,6 +2,8 @@
 {
   imports = [ (builtins.fetchGit {
     url = "https://github.com/astro/microvm.nix";
+    ref = "main";
+    rev = "42628f7c61b02d385ce2cb1f66f9be333ac20140";
   } + "/nixos-modules/host") ];
 
   systemd.network.networks."31-server".matchConfig.Name = [ "vm-*" ];

From eccac4d4a213935419ee4eb6db30f2c8764c093b Mon Sep 17 00:00:00 2001
From: Dominik Polakovics <dominik.polakovics@cloonar.com>
Date: Thu, 23 Oct 2025 02:30:09 +0200
Subject: [PATCH 2/2] feat: gitea runner cache config

---
 hosts/fw/modules/gitea-vm.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hosts/fw/modules/gitea-vm.nix b/hosts/fw/modules/gitea-vm.nix
index 33155cb..734f306 100644
--- a/hosts/fw/modules/gitea-vm.nix
+++ b/hosts/fw/modules/gitea-vm.nix
@@ -62,6 +62,11 @@ in {
           container = {
             network = "podman";
           };
+          cache = {
+            enabled = true;
+            host = "${config.networkPrefix}.97.5${toString idx}";  # LAN IP of the machine running act_runner
+            port = 8088;                                           # any free TCP port
+          };
         };
       };