check if server_announce was enabled before changing it

init.lua

@@ -1,15 +1,20 @@
 
-local timer = 0
-minetest.register_globalstep(function(dtime)
-  timer = timer + dtime
-  if timer < 15 then
-    return
-  end
+if minetest.settings:get_bool("server_announce", false) then
+  -- only change announce setting if it was enabled in the first place
 
-  timer = 0
+  local timer = 0
+  minetest.register_globalstep(function(dtime)
+    timer = timer + dtime
+    if timer < 15 then
+      return
+    end
 
-  local threshold = tonumber(minetest.settings:get("server_cloak.threshold") or "15")
-  local player_count = #minetest.get_connected_players()
+    timer = 0
 
-  minetest.settings:set_bool("server_announce", player_count < threshold)
-end)
+    local threshold = tonumber(minetest.settings:get("server_cloak.threshold") or "15")
+    local player_count = #minetest.get_connected_players()
+
+    minetest.settings:set_bool("server_announce", player_count < threshold)
+  end)
+
+end