Diff

--- a/util/logger.lua	Mon Dec 12 20:40:23 2022 +0100
+++ b/util/logger.lua	Mon Dec 12 07:10:54 2022 +0100
@@ -10,6 +10,7 @@
 local pairs = pairs;
 local ipairs = ipairs;
 local require = require;
+local t_remove = table.remove;
 
 local _ENV = nil;
 -- luacheck: std none
@@ -78,6 +79,20 @@
 	for _, level in ipairs(levels or {"debug", "info", "warn", "error"}) do
 		add_level_sink(level, sink_function);
 	end
+	return sink_function;
+end
+
+local function remove_sink(sink_function)
+	local removed;
+	for level, sinks in pairs(level_sinks) do
+		for i = #sinks, 1, -1 do
+			if sinks[i] == sink_function then
+				t_remove(sinks, i);
+				removed = true;
+			end
+		end
+	end
+	return removed;
 end
 
 return {
@@ -87,4 +102,5 @@
 	add_level_sink = add_level_sink;
 	add_simple_sink = add_simple_sink;
 	new = make_logger;
+	remove_sink = remove_sink;
 };