mirror of
https://github.com/PaperMC/Paper.git
synced 2024-08-26 22:50:23 +02:00
PaperMC believes that 1.16.2 is now ready for general release as we fixed the main issue plagueing the 1.16.x release, the MapLike data conversion issues. Until now, it was not safe for a server to convert a world to 1.16.2 without data conversion issues around villages and potentially other things. If you did, those MapLike errors meant something went wrong. This is now resolved. Big thanks to all those that helped, notably @BillyGalbreath and @Proximyst who did large parts of the update process with me. Please as always, backup your worlds and test before updating to 1.16.2! If you update to 1.16.2, there is no going back to an older build than this. --------------------------------- Co-authored-by: William Blake Galbreath <Blake.Galbreath@GMail.com> Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com> Co-authored-by: krolik-exe <69214078+krolik-exe@users.noreply.github.com> Co-authored-by: BillyGalbreath <BillyGalbreath@users.noreply.github.com> Co-authored-by: stonar96 <minecraft.stonar96@gmail.com> Co-authored-by: Shane Freeder <theboyetronic@gmail.com> Co-authored-by: Jason <jasonpenilla2@me.com> Co-authored-by: kashike <kashike@vq.lc> Co-authored-by: Aurora <21148213+aurorasmiles@users.noreply.github.com> Co-authored-by: KennyTV <kennytv@t-online.de> Co-authored-by: commandblockguy <commandblockguy1@gmail.com> Co-authored-by: DigitalRegent <misterwener@gmail.com> Co-authored-by: ishland <ishlandmc@yeah.net>
206 lines
7.5 KiB
Diff
206 lines
7.5 KiB
Diff
From 0000000000000000000000000000000000000000 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 5deed3e25ff41ab0a4015a5fd0c1e952cdb16402..49a38c6608b652ff48ef4eaca0dd3ccb1ba570e3 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 0000000000000000000000000000000000000000..aac3f66cb23d260729c2a48d8710a9de2346aa22
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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 4ef6913c356663b640e6ce770c123f51e6f3c057..36be0b4516702e0760ba6262a8c894fafbf276b4 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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@@ -156,6 +156,7 @@ 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.setPVP(dedicatedserverproperties.pvp);
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