Paper/Spigot-API-Patches/0008-Version-Command-2.0.patch
Aikar 57dd397155
Updated Upstream (Bukkit/CraftBukkit)
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

Bukkit Changes:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-01 18:03:57 -04:00

181 lines
6.8 KiB
Diff

From 80c67d85cde46ffd7331e67ea1ccc4697a69d2ce Mon Sep 17 00:00:00 2001
From: Zach Brown <zach@zachbr.io>
Date: Mon, 27 May 2019 01:10:06 -0500
Subject: [PATCH] Version Command 2.0
diff --git a/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java b/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java
new file mode 100644
index 000000000..2a2651299
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java
@@ -0,0 +1,44 @@
+package com.destroystokyo.paper.util;
+
+import org.bukkit.Bukkit;
+import org.jetbrains.annotations.NotNull;
+
+public interface VersionFetcher {
+ /**
+ * Amount of time to cache results for in milliseconds
+ * <p>
+ * Negative values will never cache.
+ *
+ * @return cache time
+ */
+ long getCacheTime();
+
+ /**
+ * Gets the version message to cache and show to command senders. Multiple messages can be sent using newlines (\n)
+ * in the string. The string will be split on these newlines and sent as individual messages.
+ * <p>
+ * NOTE: This is run in a new thread separate from that of the command processing thread
+ *
+ * @param serverVersion the current version of the server (will match {@link Bukkit#getVersion()})
+ * @return the message to show when requesting a version
+ */
+ @NotNull
+ String getVersionMessage(@NotNull String serverVersion);
+
+ class DummyVersionFetcher implements VersionFetcher {
+
+ @Override
+ public long getCacheTime() {
+ return -1;
+ }
+
+ @NotNull
+ @Override
+ public String getVersionMessage(@NotNull String serverVersion) {
+ Bukkit.getLogger().warning("Version provider has not been set, cannot check for updates!");
+ Bukkit.getLogger().info("Override the default implementation of org.bukkit.UnsafeValues#getVersionFetcher()");
+ new Throwable().printStackTrace();
+ return "Unable to check for updates. No version provider set.";
+ }
+ }
+}
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index 72c5501e8..c0ff133de 100644
--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -76,5 +76,12 @@ public interface UnsafeValues {
* @return name
*/
String getTimingsServerName();
+
+ /**
+ * Called once by the version command on first use, then cached.
+ */
+ default com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
+ return new com.destroystokyo.paper.util.VersionFetcher.DummyVersionFetcher();
+ }
// Paper end
}
diff --git a/src/main/java/org/bukkit/command/defaults/VersionCommand.java b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
index cbce52444..0486abd19 100644
--- a/src/main/java/org/bukkit/command/defaults/VersionCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
@@ -1,5 +1,6 @@
package org.bukkit.command.defaults;
+import com.destroystokyo.paper.util.VersionFetcher; // Paper - version supplier
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.google.common.io.Resources;
@@ -26,6 +27,15 @@ import org.bukkit.util.StringUtil;
import org.jetbrains.annotations.NotNull;
public class VersionCommand extends BukkitCommand {
+ private VersionFetcher versionFetcher;
+ private VersionFetcher getVersionFetcher() { // lazy load because unsafe isn't available at command registration
+ if (versionFetcher == null) {
+ versionFetcher = Bukkit.getUnsafe().getVersionFetcher();
+ }
+
+ return versionFetcher;
+ }
+
public VersionCommand(@NotNull String name) {
super(name);
@@ -150,18 +160,18 @@ public class VersionCommand extends BukkitCommand {
private void sendVersion(@NotNull CommandSender sender) {
if (hasVersion) {
- if (System.currentTimeMillis() - lastCheck > 21600000) {
+ if (System.currentTimeMillis() - lastCheck > getVersionFetcher().getCacheTime()) { // Paper - use version supplier
lastCheck = System.currentTimeMillis();
hasVersion = false;
} else {
- sender.sendMessage(versionMessage);
+ sendMessages(versionMessage, sender); // Paper - allow \n for multiple messages
return;
}
}
versionLock.lock();
try {
if (hasVersion) {
- sender.sendMessage(versionMessage);
+ sendMessages(versionMessage, sender); // Paper - allow \n for multiple messages
return;
}
versionWaiters.add(sender);
@@ -183,7 +193,12 @@ public class VersionCommand extends BukkitCommand {
private void obtainVersion() {
String version = Bukkit.getVersion();
- if (version == null) version = "Custom";
+ // Paper start
+ if (version.startsWith("null")) { // running from ide?
+ setVersionMessage("Unknown version, custom build?");
+ return;
+ }
+ /*
if (version.startsWith("git-Spigot-")) {
String[] parts = version.substring("git-Spigot-".length()).split("-");
int cbVersions = getDistance("craftbukkit", parts[1].substring(0, parts[1].indexOf(' ')));
@@ -213,6 +228,9 @@ public class VersionCommand extends BukkitCommand {
} else {
setVersionMessage("Unknown version, custom build?");
}
+ */
+ setVersionMessage(getVersionFetcher().getVersionMessage(version));
+ // Paper end
}
private void setVersionMessage(@NotNull String msg) {
@@ -222,8 +240,13 @@ public class VersionCommand extends BukkitCommand {
try {
hasVersion = true;
versionTaskStarted = false;
+ // Paper - allow \n for multiple messages
+ String[] messages = versionMessage.split("\n");
for (CommandSender sender : versionWaiters) {
- sender.sendMessage(versionMessage);
+ for (String message : messages) {
+ sender.sendMessage(message);
+ }
+ // Paper end
}
versionWaiters.clear();
} finally {
@@ -231,6 +254,15 @@ public class VersionCommand extends BukkitCommand {
}
}
+ // Paper start
+ private void sendMessages(String toSplit, CommandSender target) {
+ String[] messages = toSplit.split("\n");
+ for (String message : messages) {
+ target.sendMessage(message);
+ }
+ }
+ // Paper end
+
private static int getDistance(@NotNull String repo, @NotNull String hash) {
try {
BufferedReader reader = Resources.asCharSource(
--
2.26.2