mirror of
https://github.com/PaperMC/Paper.git
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Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes:17543ecf
SPIGOT-5035: Error Using Virtual Merchant GUI0fc6922b
SPIGOT-5028: Villager#setVillagerExperience() doesn't workbdbdbe44
SPIGOT-5024: Fox error - Unknown target reason
209 lines
7.3 KiB
Diff
209 lines
7.3 KiB
Diff
From c6d12fdc8c38f2b3d92c910f7bcba6a4fe87ba2e Mon Sep 17 00:00:00 2001
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From: Kyle Wood <demonwav@gmail.com>
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Date: Thu, 1 Mar 2018 19:37:52 -0600
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Subject: [PATCH] Add version history to version command
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diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
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index ded51d042b..513cddb9bd 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
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@@ -25,7 +25,10 @@ public class PaperVersionFetcher implements VersionFetcher {
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@Override
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public String getVersionMessage(@Nonnull String serverVersion) {
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String[] parts = serverVersion.substring("git-Paper-".length()).split("[-\\s]");
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- return getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
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+ String updateMessage = getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
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+ String history = getHistory();
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+
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+ return history != null ? history + "\n" + updateMessage : updateMessage;
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}
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private static @Nullable String getMinecraftVersion() {
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@@ -112,4 +115,19 @@ public class PaperVersionFetcher implements VersionFetcher {
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return -1;
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}
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}
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+
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+ @Nullable
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+ private String getHistory() {
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+ final VersionHistoryManager.VersionData data = VersionHistoryManager.INSTANCE.getVersionData();
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+ if (data == null) {
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+ return null;
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+ }
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+
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+ final String oldVersion = data.getOldVersion();
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+ if (oldVersion == null) {
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+ return null;
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+ }
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+
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+ return "Previous version: " + oldVersion;
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+ }
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}
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diff --git a/src/main/java/com/destroystokyo/paper/VersionHistoryManager.java b/src/main/java/com/destroystokyo/paper/VersionHistoryManager.java
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new file mode 100644
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index 0000000000..aac3f66cb2
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/VersionHistoryManager.java
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@@ -0,0 +1,145 @@
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+package com.destroystokyo.paper;
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+
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+import com.google.common.base.MoreObjects;
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+import com.google.gson.Gson;
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+import com.google.gson.JsonSyntaxException;
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+import java.io.BufferedReader;
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+import java.io.BufferedWriter;
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+import java.io.IOException;
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+import java.nio.charset.StandardCharsets;
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+import java.nio.file.Files;
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+import java.nio.file.Path;
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+import java.nio.file.Paths;
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+import java.nio.file.StandardOpenOption;
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+import java.util.Objects;
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+import java.util.logging.Level;
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+import java.util.logging.Logger;
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+import org.bukkit.Bukkit;
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+
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+import javax.annotation.Nonnull;
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+import javax.annotation.Nullable;
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+
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+public enum VersionHistoryManager {
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+ INSTANCE;
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+
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+ private final Gson gson = new Gson();
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+
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+ private final Logger logger = Bukkit.getLogger();
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+
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+ private VersionData currentData = null;
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+
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+ VersionHistoryManager() {
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+ final Path path = Paths.get("version_history.json");
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+
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+ if (Files.exists(path)) {
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+ // Basic file santiy checks
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+ if (!Files.isRegularFile(path)) {
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+ if (Files.isDirectory(path)) {
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+ logger.severe(path + " is a directory, cannot be used for version history");
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+ } else {
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+ logger.severe(path + " is not a regular file, cannot be used for version history");
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+ }
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+ // We can't continue
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+ return;
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+ }
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+
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+ try (final BufferedReader reader = Files.newBufferedReader(path, StandardCharsets.UTF_8)) {
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+ currentData = gson.fromJson(reader, VersionData.class);
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+ } catch (final IOException e) {
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+ logger.log(Level.SEVERE, "Failed to read version history file '" + path + "'", e);
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+ return;
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+ } catch (final JsonSyntaxException e) {
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+ logger.log(Level.SEVERE, "Invalid json syntax for file '" + path + "'", e);
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+ return;
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+ }
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+
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+ final String version = Bukkit.getVersion();
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+ if (version == null) {
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+ logger.severe("Failed to retrieve current version");
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+ return;
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+ }
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+
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+ if (!version.equals(currentData.getCurrentVersion())) {
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+ // The version appears to have changed
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+ currentData.setOldVersion(currentData.getCurrentVersion());
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+ currentData.setCurrentVersion(version);
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+ writeFile(path);
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+ }
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+ } else {
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+ // File doesn't exist, start fresh
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+ currentData = new VersionData();
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+ // oldVersion is null
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+ currentData.setCurrentVersion(Bukkit.getVersion());
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+ writeFile(path);
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+ }
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+ }
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+
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+ private void writeFile(@Nonnull final Path path) {
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+ try (final BufferedWriter writer = Files.newBufferedWriter(
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+ path,
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+ StandardCharsets.UTF_8,
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+ StandardOpenOption.WRITE,
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+ StandardOpenOption.CREATE,
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+ StandardOpenOption.TRUNCATE_EXISTING
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+ )) {
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+ gson.toJson(currentData, writer);
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+ } catch (final IOException e) {
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+ logger.log(Level.SEVERE, "Failed to write to version history file", e);
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+ }
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+ }
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+
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+ @Nullable
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+ public VersionData getVersionData() {
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+ return currentData;
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+ }
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+
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+ public static class VersionData {
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+ private String oldVersion;
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+
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+ private String currentVersion;
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+
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+ @Nullable
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+ public String getOldVersion() {
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+ return oldVersion;
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+ }
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+
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+ public void setOldVersion(@Nullable String oldVersion) {
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+ this.oldVersion = oldVersion;
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+ }
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+
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+ @Nullable
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+ public String getCurrentVersion() {
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+ return currentVersion;
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+ }
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+
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+ public void setCurrentVersion(@Nullable String currentVersion) {
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+ this.currentVersion = currentVersion;
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+ }
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+
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+ @Override
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+ public String toString() {
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+ return MoreObjects.toStringHelper(this)
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+ .add("oldVersion", oldVersion)
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+ .add("currentVersion", currentVersion)
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+ .toString();
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+ }
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+
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+ @Override
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+ public boolean equals(@Nullable Object o) {
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+ if (this == o) {
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+ return true;
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+ }
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+ if (o == null || getClass() != o.getClass()) {
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+ return false;
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+ }
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+ final VersionData versionData = (VersionData) o;
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+ return Objects.equals(oldVersion, versionData.oldVersion) &&
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+ Objects.equals(currentVersion, versionData.currentVersion);
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ return Objects.hash(oldVersion, currentVersion);
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
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index 19e2df3098..f0e2250cd8 100644
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--- a/src/main/java/net/minecraft/server/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
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@@ -160,6 +160,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
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return false;
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}
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com.destroystokyo.paper.PaperConfig.registerCommands();
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+ com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // load version history now
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// Paper end
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this.setSpawnAnimals(dedicatedserverproperties.spawnAnimals);
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--
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2.21.0
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