From 69f15e870cb812152bb56d2713b95520f3ca8885 Mon Sep 17 00:00:00 2001
From: modmuss50 <modmuss50@gmail.com>
Date: Mon, 18 Jun 2018 16:55:51 +0100
Subject: [PATCH] Ensure file is moved

---
 src/main/java/net/fabricmc/loom/util/ModRemapper.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/fabricmc/loom/util/ModRemapper.java b/src/main/java/net/fabricmc/loom/util/ModRemapper.java
index 20d0ddd..f4d5dba 100644
--- a/src/main/java/net/fabricmc/loom/util/ModRemapper.java
+++ b/src/main/java/net/fabricmc/loom/util/ModRemapper.java
@@ -28,6 +28,7 @@ import net.fabricmc.loom.LoomGradleExtension;
 import net.fabricmc.tinyremapper.OutputConsumerPath;
 import net.fabricmc.tinyremapper.TinyRemapper;
 import net.fabricmc.tinyremapper.TinyUtils;
+import org.apache.commons.io.FileUtils;
 import org.gradle.api.Project;
 
 import java.io.File;
@@ -53,8 +54,11 @@ public class ModRemapper {
 			deobfJar.delete();
 		}
 
+		FileUtils.touch(modJar); //Done to ensure that the file can be moved
 		//Move the pre existing mod jar to the deobf jar
-		modJar.renameTo(deobfJar);
+		if(!modJar.renameTo(deobfJar)){
+			throw new RuntimeException("Failed to rename " + modJar);
+		}
 
 		Path mappings = Constants.MAPPINGS_TINY.get(extension).toPath();