Make ReverseTagWrapper unmodifiable, fix error in log when mods folder doesn't exist initial scan.
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604987a005
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@ -18,6 +18,7 @@ public class ModDirTransformerDiscoverer implements ITransformerDiscoveryService
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final Path modsDir = gameDirectory.resolve(FMLPaths.MODSDIR.relative());
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List<Path> paths = new ArrayList<>();
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try {
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Files.createDirectories(modsDir);
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Files.walk(modsDir, 1).forEach(p -> {
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if (!Files.isRegularFile(p)) return;
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if (!p.toString().endsWith(".jar")) return;
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@ -19,6 +19,7 @@
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package net.minecraftforge.common.util;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.function.IntSupplier;
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@ -47,7 +48,7 @@ public class ReverseTagWrapper<T>
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{
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if (cache == null || generation != genSupplier.getAsInt())
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{
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this.cache = new HashSet<>(colSupplier.get().getOwningTags(target));
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this.cache = Collections.unmodifiableSet(new HashSet<>(colSupplier.get().getOwningTags(target)));
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this.generation = genSupplier.getAsInt();
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}
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return this.cache;
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