From 70829a0af6e4eb428acfe112fe51a09da3ec3291 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@sinanmohd.com>
Date: Fri, 30 Aug 2024 17:57:55 +0530
Subject: common: hibernate on critical battery level

---
 os/common/configuration.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'os/common')

diff --git a/os/common/configuration.nix b/os/common/configuration.nix
index 047b153..8026b9f 100644
--- a/os/common/configuration.nix
+++ b/os/common/configuration.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }: let
+{ config, pkgs, lib, ... }: let
   host = config.networking.hostName;
 in {
   disabledModules = [
@@ -23,6 +23,12 @@ in {
     size = 2048; # 2GB
   }];
 
+  services.udev.extraRules = let
+    cmd = "${pkgs.systemd}/bin/systemctl hibernate";
+  in ''
+    SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{capacity}=="[0-5]", RUN+="${cmd}"
+  '';
+
   sops = {
     defaultSopsFile = ../${host}/secrets.yaml;
     age.keyFile = "/var/secrets/${host}.sops";
-- 
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