From 174837fe9714ab1bb79c7c6cdd0bd0d4f8586e15 Mon Sep 17 00:00:00 2001
From: Joe Mou <dev@mou.fo>
Date: Thu, 15 Feb 2024 12:38:56 -0500
Subject: Boot after power failure (server mode)

---
 hostnix/elmo/system.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'hostnix/elmo')

diff --git a/hostnix/elmo/system.nix b/hostnix/elmo/system.nix
index d92de59..311338f 100644
--- a/hostnix/elmo/system.nix
+++ b/hostnix/elmo/system.nix
@@ -1,4 +1,4 @@
-{ ... }:
+{ pkgs, ... }:
 
 {
   boot.loader.systemd-boot.enable = true;
@@ -10,4 +10,15 @@
   networking.networkmanager.enable = true;
 
   time.timeZone = "America/New_York";
+
+  # https://nixos.wiki/wiki/Hardware/Apple#Auto_Restart
+  systemd.services.enable-autorestart = {
+    description = "Boot after power failure (server mode)";
+    wantedBy = [ "default.target" ];
+    serviceConfig = {
+      Type = "oneshot";
+    };
+    # https://superuser.com/a/1051137
+    script = "${pkgs.pciutils}/bin/setpci -s 00:1f.0 0xa4.b=0";
+  };
 }
-- 
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