From c81594af019490a319262d1377188c5008150ada Mon Sep 17 00:00:00 2001
From: John Ogle <john@ogle.fyi>
Date: Tue, 30 Dec 2025 00:29:24 -0800
Subject: [PATCH] Add suspend-then-hibernate power management for nix-book

---
 machines/nix-book/configuration.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/machines/nix-book/configuration.nix b/machines/nix-book/configuration.nix
index 65f86e1..dd07c54 100644
--- a/machines/nix-book/configuration.nix
+++ b/machines/nix-book/configuration.nix
@@ -39,6 +39,17 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   boot.initrd.luks.devices."luks-b614167b-9045-4234-a441-ac6f60a96d81".device = "/dev/disk/by-uuid/b614167b-9045-4234-a441-ac6f60a96d81";
+
+  services.logind.settings.Login = {
+    HandleLidSwitch = "suspend-then-hibernate";
+    HandlePowerKey = "hibernate";
+    HandlePowerKeyLongPress = "poweroff";
+  };
+  systemd.sleep.extraConfig = ''
+    HibernateDelaySec=30m
+    SuspendState=mem
+  '';
+
   networking.hostName = "nix-book"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.