215 lines
8.0 KiB
Diff
215 lines
8.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Kyle Wood <kyle@denwav.dev>
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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 91d7afc710a2d52b4f429e0381cf64176ecb6415..ece77f5ea4b14bbed7c070131b3251ea86764538 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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@@ -7,6 +7,8 @@ import com.google.gson.*;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.event.ClickEvent;
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import net.kyori.adventure.text.format.NamedTextColor;
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+import net.kyori.adventure.text.format.TextDecoration;
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+import net.kyori.adventure.text.TextComponent;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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@@ -30,7 +32,10 @@ public class PaperVersionFetcher implements VersionFetcher {
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@Override
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public Component 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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+ final Component updateMessage = getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
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+ final Component history = getHistory();
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+
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+ return history != null ? TextComponent.ofChildren(updateMessage, Component.newline(), history) : updateMessage;
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}
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private static @Nullable String getMinecraftVersion() {
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@@ -126,4 +131,19 @@ 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 Component 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 Component.text("Previous version: " + oldVersion, NamedTextColor.GRAY, TextDecoration.ITALIC);
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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/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index 1c0fefd539ef82d2d1b33a4974d67dc35ded0e1f..20ff08f1a802d16d2306b570e9fb529946d90f6b 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -204,6 +204,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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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.setPvpAllowed(dedicatedserverproperties.pvp);
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