From f1ccc9033618d24da93cd10529faea5a7eaa20be Mon Sep 17 00:00:00 2001
From: Jon Turney <jon.turney@dronecode.org.uk>
Date: Mon, 22 Apr 2024 19:14:18 +0100
Subject: [PATCH] Ignore sighup when daemonized

It seems like systemd sends this as well as SIGTERM, so make sure to
ignore it so we shut down cleanly.
---
 calm/calm.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/calm/calm.py b/calm/calm.py
index abadf72..02e613b 100755
--- a/calm/calm.py
+++ b/calm/calm.py
@@ -740,8 +740,12 @@ def sigterm(signum, frame):
         running = False
         raise InterruptedError
 
+    def sighup(signum, frame):
+        logging.debug("SIGHUP")
+
     context.signal_map = {
         signal.SIGTERM: sigterm,
+        signal.SIGHUP: sighup,
     }
 
     with context: