From a805c5425c68afe8f04856ede7060eda62266f2d Mon Sep 17 00:00:00 2001
From: snowleo <snowleo@e251c2fe-e539-e718-e476-b85c1f46cddb>
Date: Mon, 16 May 2011 21:43:43 +0000
Subject: [PATCH] Only update config, if there are worth values.

git-svn-id: https://svn.java.net/svn/essentials~svn/trunk@1504 e251c2fe-e539-e718-e476-b85c1f46cddb
---
 .../src/com/earth2me/essentials/EssentialsUpgrade.java     | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Essentials/src/com/earth2me/essentials/EssentialsUpgrade.java b/Essentials/src/com/earth2me/essentials/EssentialsUpgrade.java
index 31efc87fa..60d27d6e6 100644
--- a/Essentials/src/com/earth2me/essentials/EssentialsUpgrade.java
+++ b/Essentials/src/com/earth2me/essentials/EssentialsUpgrade.java
@@ -42,16 +42,21 @@ public class EssentialsUpgrade
 			EssentialsConf conf = new EssentialsConf(configFile);
 			conf.load();
 			Worth w = new Worth(ess.getDataFolder());
+			boolean found = false;
 			for (Material mat : Material.values())
 			{
 				int id = mat.getId();
 				double value = conf.getDouble("worth-" + id, Double.NaN);
 				if (!Double.isNaN(value))
 				{
+					found = true;
 					w.setPrice(new ItemStack(mat, 1, (short)0, (byte)0), value);
 				}
 			}
-			removeLinesFromConfig(configFile, "\\s*#?\\s*worth-[0-9]+.*", "# Worth values have been moved to worth.yml");
+			if (found)
+			{
+				removeLinesFromConfig(configFile, "\\s*#?\\s*worth-[0-9]+.*", "# Worth values have been moved to worth.yml");
+			}
 		}
 		catch (Throwable e)
 		{