From 78226909f94b2cdb73e7ab9935b0aef18b6444a4 Mon Sep 17 00:00:00 2001
From: fleaz <mail@felixbreidenstein.de>
Date: Sun, 7 Jan 2024 16:45:47 +0100
Subject: [PATCH] modules/sus-then-hib: Switch to systemds
 suspend-then-hibernate

---
 modules/sus-then-hib.nix | 43 ++++++++--------------------------------
 1 file changed, 8 insertions(+), 35 deletions(-)

diff --git a/modules/sus-then-hib.nix b/modules/sus-then-hib.nix
index afabea5..eeeacc6 100644
--- a/modules/sus-then-hib.nix
+++ b/modules/sus-then-hib.nix
@@ -1,38 +1,11 @@
-{ config, pkgs, ... }: let
-  hibernateEnvironment = {
-    HIBERNATE_SECONDS = "3600";
-    HIBERNATE_LOCK = "/var/run/autohibernate.lock";
-  };
-in {
-  systemd.services."awake-after-suspend-for-a-time" = {
-    description = "Sets up the suspend so that it'll wake for hibernation";
-    wantedBy = [ "suspend.target" ];
-    before = [ "systemd-suspend.service" ];
-    environment = hibernateEnvironment;
-    script = ''
-      curtime=$(date +%s)
-      echo "$curtime $1" >> /tmp/autohibernate.log
-      echo "$curtime" > $HIBERNATE_LOCK
-      ${pkgs.utillinux}/bin/rtcwake -m no -s $HIBERNATE_SECONDS
-    '';
-    serviceConfig.Type = "simple";
-  };
-  systemd.services."hibernate-after-recovery" = {
-    description = "Hibernates after a suspend recovery due to timeout";
-    wantedBy = [ "suspend.target" ];
-    after = [ "systemd-suspend.service" ];
-    environment = hibernateEnvironment;
-    script = ''
-      curtime=$(date +%s)
-      sustime=$(cat $HIBERNATE_LOCK)
-      rm $HIBERNATE_LOCK
-      if [ $(($curtime - $sustime)) -ge $(($HIBERNATE_SECONDS - 5)) ] ; then
-        systemctl hibernate
-      else
-        ${pkgs.utillinux}/bin/rtcwake -m no -s 1
-      fi
-    '';
-    serviceConfig.Type = "simple";
+{ config, pkgs, ... }:
+{
+  systemd.sleep.extraConfig = "HibernateDelaySec=1h";
+
+  services.logind = {
+    lidSwitch = "suspend-then-hibernate";
+    suspendKey = "suspend-then-hibernate";
+    powerKey = "suspend-then-hibernate";
   };
 }