Make Aspects#set not undoable

build.gradle

@@ -1,17 +1,24 @@
 buildscript {
     repositories {
-        mavenCentral()
         maven {
             name = "forge"
-            url = "http://files.minecraftforge.net/maven"
+            url = "https://maven.minecraftforge.net"
         }
         maven {
             name = "sonatype"
             url = "https://oss.sonatype.org/content/repositories/snapshots/"
         }
+        maven {
+            name = "Scala CI dependencies"
+            url = "https://repo1.maven.org/maven2/"
+        }
+        maven {
+            name = "jitpack"
+            url = "https://jitpack.io"
+        }
     }
     dependencies {
-        classpath 'net.minecraftforge.gradle:ForgeGradle:1.2-SNAPSHOT'
+        classpath 'com.github.GTNewHorizons:ForgeGradle:1.2.4'
     }
 }
 
@@ -74,3 +81,11 @@ task deobfJar(type: Jar) {
 }
 
 tasks.build.dependsOn deobfJar
+
+idea {
+    module {
+        inheritOutputDirs = false
+        outputDir = compileJava.destinationDir
+        testOutputDir = compileTestJava.destinationDir
+    }
+}

build.properties

@@ -1,6 +1,6 @@
 minecraft.version=1.7.10
-forge.version=10.13.4.1448-1.7.10
+forge.version=10.13.4.1614-1.7.10
 
-mod.version=0.9.6
+mod.version=0.9.7-GTNH
 
 forestry.version=4.1.0.43

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-bin.zip

src/main/java/modtweaker2/mods/thaumcraft/handlers/Aspects.java

@@ -37,7 +37,6 @@ public class Aspects {
 		private final String aspects;
 		private final boolean replace;
 		private AspectList oldList;
-		private AspectList newList;
 
 		public Add(ItemStack stack, String aspects, boolean replace) {
 			super("Aspects");
@@ -48,19 +47,28 @@ public class Aspects {
 
 		@Override
 		public void apply() {
-			oldList = ThaumcraftApiHelper.getObjectAspects(stack);
-			if (!replace)
-				newList = ThaumcraftHelper.parseAspects(oldList, aspects);
-			else
+			AspectList newList;
+			if (replace) {
 				newList = ThaumcraftHelper.parseAspects(aspects);
-			
+			} else {
+				oldList = ThaumcraftApiHelper.getObjectAspects(stack);
+				newList = ThaumcraftHelper.parseAspects(oldList, aspects);
+			}
+
 			ThaumcraftApi.objectTags.put(Arrays.asList(stack.getItem(), stack.getItemDamage()), newList);
 			
 			success = true;
 		}
 
+		@Override
+		public boolean canUndo() {
+			return !replace;
+		}
+
 		@Override
 		public void undo() {
+			if (replace)
+				return;
 			if (oldList == null) {
 				ThaumcraftApi.objectTags.remove(Arrays.asList(stack.getItem(), stack.getItemDamage()));
 			} else