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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 Please note that this build includes changes to meet upstreams requirements for nullability annotations. While we aim for a level of accuracy, these might not be 100% correct, if there are any issues, please speak to us on discord, or open an issue on the tracker to discuss. Bukkit Changes: 9a6a1de3 Remove nullability annotations from enum constructors 3f0591ea SPIGOT-2540: Add nullability annotations to entire Bukkit API CraftBukkit Changes:8d8475fc
SPIGOT-4666: Force parameter in HumanEntity#sleep8b1588e2
Fix ExplosionPrimeEvent#setFire not working with EnderCrystals39a287b7
Don't ignore newlines in PlayerListHeader/Footer Spigot Changes: cf694d87 Add nullability annotations
203 lines
7.1 KiB
Diff
203 lines
7.1 KiB
Diff
From 37e05486e349c20d73a9a695c8ddb4f4f2933425 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/VersionHistoryManager.java b/src/main/java/com/destroystokyo/paper/VersionHistoryManager.java
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new file mode 100644
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index 000000000..648b247ef
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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 +1,144 @@
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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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+import org.jetbrains.annotations.NotNull;
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+import org.jetbrains.annotations.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(@NotNull 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/org/bukkit/command/defaults/VersionCommand.java b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
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index 8e57aa911..746cedd87 100644
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--- a/src/main/java/org/bukkit/command/defaults/VersionCommand.java
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+++ b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
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@@ -31,6 +31,7 @@ import org.json.simple.parser.ParseException;
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// Paper start
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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+import com.destroystokyo.paper.VersionHistoryManager;
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// Paper end
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public class VersionCommand extends BukkitCommand {
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@@ -49,6 +50,7 @@ public class VersionCommand extends BukkitCommand {
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if (args.length == 0) {
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sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")");
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+ tellHistory(sender); // Paper
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sendVersion(sender);
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} else {
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StringBuilder name = new StringBuilder();
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@@ -85,6 +87,22 @@ public class VersionCommand extends BukkitCommand {
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return true;
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}
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+ // Paper start - show version history
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+ private void tellHistory(final CommandSender sender) {
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+ final VersionHistoryManager.VersionData data = VersionHistoryManager.INSTANCE.getVersionData();
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+ if (data == null) {
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+ return;
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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;
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+ }
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+
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+ sender.sendMessage("Previous version: " + oldVersion);
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+ }
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+ // Paper end
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+
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private void describeToSender(@NotNull Plugin plugin, @NotNull CommandSender sender) {
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PluginDescriptionFile desc = plugin.getDescription();
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sender.sendMessage(ChatColor.GREEN + desc.getName() + ChatColor.WHITE + " version " + ChatColor.GREEN + desc.getVersion());
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--
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2.21.0
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