From 313d8c9478b4a5e4f43d40c711eb0908157e1e97 Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Sun, 13 Nov 2016 12:51:50 -0800
Subject: [PATCH] Don't prune threads on index refresh that have yet to appear
 in the index.

---
 src/Monitoring/ThreadWatcher.coffee | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Monitoring/ThreadWatcher.coffee b/src/Monitoring/ThreadWatcher.coffee
index e829b9795..d4ef998f4 100644
--- a/src/Monitoring/ThreadWatcher.coffee
+++ b/src/Monitoring/ThreadWatcher.coffee
@@ -145,6 +145,8 @@ ThreadWatcher =
       boardID = g.BOARD.ID
       nKilled = 0
       for threadID, data of db.data.boards[boardID] when not data?.isDead and "#{boardID}.#{threadID}" not in e.detail.threads
+        # Don't prune threads that have yet to appear in index.
+        continue unless e.detail.threads.some (fullID) -> +fullID.split('.')[1] > threadID
         nKilled++
         if Conf['Auto Prune'] or not (data and typeof data is 'object') # corrupt data
           db.delete {boardID, threadID}