From 50fa917e7e2faf2afa0d97748ede036bdb7a769a Mon Sep 17 00:00:00 2001
From: Nathan Perry <np@npry.dev>
Date: Thu, 18 Dec 2025 07:11:44 -0500
Subject: nix/module: support restart timer

---
 nix/module.nix | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/nix/module.nix b/nix/module.nix
index 5b59937..09857a2 100644
--- a/nix/module.nix
+++ b/nix/module.nix
@@ -47,6 +47,12 @@ in {
       default = null;
     };
 
+    restartTimer = mkOption {
+      description = "restart on timer";
+      type = nullOr str;
+      default = null;
+    };
+
     postgres = mkOption {
       description = "local postgres server with automatic setup";
 
@@ -155,6 +161,32 @@ in {
       };
     };
 
+    systemd.timers.thulani-restart = lib.mkIf (cfg.restartTimer != null) {
+      wantedBy = ["timers.target"];
+
+      timerConfig = {
+        OnCalendar = cfg.restartTimer;
+        Unit = "thulani-restart.service";
+      };
+    };
+
+    systemd.services.thulani-restart = lib.mkIf (cfg.restartTimer != null) {
+      description = "restart thulani bot";
+
+      serviceConfig = {
+        Type = "oneshot";
+      };
+
+      script = ''
+        set -euo pipefail
+
+        if systemctl is-active thulani.service; then
+          exec systemctl restart --no-block thulani.service
+        fi
+      '';
+    };
+
+
     services.postgresql = lib.mkIf cfg.postgres.enable {
       enable = true;
 
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