From eacd79b3ccd506ef9be7aac8c6baf1127929b151 Mon Sep 17 00:00:00 2001
From: Vhati <tvtronix@yahoo.com>
Date: Sat, 25 Nov 2017 19:50:31 -0500
Subject: [PATCH] Fixed 'access denied' error when dats are set to be read-only

---
 src/main/java/net/vhati/modmanager/core/ModPatchThread.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/net/vhati/modmanager/core/ModPatchThread.java b/src/main/java/net/vhati/modmanager/core/ModPatchThread.java
index 1a2e68a..5cd2292 100644
--- a/src/main/java/net/vhati/modmanager/core/ModPatchThread.java
+++ b/src/main/java/net/vhati/modmanager/core/ModPatchThread.java
@@ -114,6 +114,11 @@ public class ModPatchThread extends Thread {
 			int modsInstalled = 0;
 			int datsRepacked = 0;
 
+			// Don't let dats be read-only.
+			for ( BackedUpDat dat : allDats ) {
+				if ( dat.datFile.exists() ) dat.datFile.setWritable( true );
+			}
+
 			// Create backup dats, if necessary.
 			for ( BackedUpDat dat : allDats ) {
 				if ( !dat.bakFile.exists() ) {