From 97d58a35d8330a2a8c4a3bdd5cacf959ddbb3c46 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Fri, 13 Dec 2013 15:21:02 +1100
Subject: [PATCH] Prevent Mineshaft Saving


diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
index 778d671..8dd434c 100644
--- a/src/main/java/net/minecraft/server/StructureGenerator.java
+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
@@ -197,7 +197,7 @@ public abstract class StructureGenerator extends WorldGenBase {
     protected synchronized void a(World world) { // CraftBukkit - synchronized
         if (this.a == null) {
             // Spigot Start
-            if (world.spigotConfig.saveStructureInfo) {
+            if (world.spigotConfig.saveStructureInfo && !this.a().equals( "Mineshaft" )) {
                 this.a = (PersistentStructure) world.a(PersistentStructure.class, this.a());
             } else {
                 this.a = new PersistentStructure(this.a());
-- 
2.7.4