From 0b2d28d61753eefcbc599ea8025f09afeaa6ed9e Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Mon, 18 Aug 2025 10:10:29 -0400
Subject: [PATCH] ups: init

---
 configuration.nix |  2 ++
 services/ups.nix  | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 services/ups.nix

diff --git a/configuration.nix b/configuration.nix
index ca98733..7ce9232 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -30,6 +30,8 @@
     ./services/soulseek.nix
 
     # ./services/llama-cpp.nix
+
+    ./services/ups.nix
   ];
 
   systemd.targets = {
diff --git a/services/ups.nix b/services/ups.nix
new file mode 100644
index 0000000..b7c19d5
--- /dev/null
+++ b/services/ups.nix
@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  services.apcupsd = {
+    enable = true;
+    configText = ''
+      UPSTYPE usb
+      NISIP 127.0.0.1
+      BATTERYLEVEL 5 # shutdown after reaching 5% battery
+      MINUTES 5 # shutdown if estimated runtime on battery reaches 5 minutes
+    '';
+
+    hooks = {
+      # command to run when shutdown condition is met
+      doshutdown = "systemctl poweroff";
+    };
+  };
+}