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Paper/patches/api/0015-Expose-server-build-information.patch
Nassim Jahnke 52a05907c7
Updated Upstream (Bukkit/CraftBukkit) (#11543) 
Upstream has released updates that appear 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:
97c59261 PR-1073: Make Biome an interface
a38581aa Fix further javadoc errors
8271c490 Fix javadoc error
8a9ecf29 PR-1072: Fix bad naming for Vault State methods
6dd58108 PR-1071: Make Fluid an interface and add missing entry
ed2cdfc3 PR-1070: Make Attribute an interface and align names with the new minecraft ones
63472efb PR-1069: Add missing winter drop experimental annotation to pale boats

CraftBukkit Changes:
7235ad7b0 PR-1501: Make Biome an interface
602904003 PR-1500: Rename implementation for Vault State methods
75f26f79f PR-1499: Make Fluid an interface and add missing entry
4cfd87adc PR-1498: Make Attribute an interface and align names with the new minecraft ones
6bb0db5cb SPIGOT-7928: ExactChoice acts as MaterialChoice
3eaf3a13c SPIGOT-7929: Error when setting EquippableComponent
abbf57bac SPIGOT-7930: Fix spawning entities with SummonEntityEffect
92d6ab6cf PR-1497: Move boat field rename entries to below key renaming, so that keys are also renamed
abfe292aa PR-1496: Use correct Fluid class on Tags type check
c7aab7fa7 SPIGOT-7923: Fix Dispenser logic to avoid firing empty projectiles
2024-10-31 23:44:34 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach@zachbr.io>
Date: Mon, 27 May 2019 01:10:06 -0500
Subject: [PATCH] Expose server build information
Co-authored-by: Professor Bloodstone <git@bloodstone.dev>
Co-authored-by: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Co-authored-by: masmc05 <masmc05@gmail.com>
Co-authored-by: Riley Park <rileysebastianpark@gmail.com>
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 0000000000000000000000000000000000000000..023cc52a9e28e1238c7452c0f3f577f2850fd861
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/VersionFetcher.java
@@ -0,0 +1,47 @@
+package com.destroystokyo.paper.util;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Bukkit;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+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.
+ *
+ * <p>NOTE: This is run in a new thread separate from that of the command processing thread</p>
+ *
+ * @param serverVersion the current version of the server (will match {@link Bukkit#getVersion()})
+ * @return the message to show when requesting a version
+ */
+ Component getVersionMessage(String serverVersion);
+
+ @ApiStatus.Internal
+ class DummyVersionFetcher implements VersionFetcher {
+
+ @Override
+ public long getCacheTime() {
+ return -1;
+ }
+
+ @Override
+ public Component getVersionMessage(final 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 Component.text("Unable to check for updates. No version provider set.", NamedTextColor.RED);
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/ServerBuildInfo.java b/src/main/java/io/papermc/paper/ServerBuildInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..652ff54e7c50412503725d628bfe72ed03059790
--- /dev/null
+++ b/src/main/java/io/papermc/paper/ServerBuildInfo.java
@@ -0,0 +1,122 @@
+package io.papermc.paper;
+
+import java.time.Instant;
+import java.util.Optional;
+import java.util.OptionalInt;
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.util.Services;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Information about the current server build.
+ */
+@NullMarked
+@ApiStatus.NonExtendable
+public interface ServerBuildInfo {
+ /**
+ * The brand id for Paper.
+ */
+ Key BRAND_PAPER_ID = Key.key("papermc", "paper");
+
+ /**
+ * Gets the {@code ServerBuildInfo}.
+ *
+ * @return the {@code ServerBuildInfo}
+ */
+ static ServerBuildInfo buildInfo() {
+ //<editor-fold defaultstate="collapsed" desc="Holder">
+ final class Holder {
+ static final Optional<ServerBuildInfo> INSTANCE = Services.service(ServerBuildInfo.class);
+ }
+ //</editor-fold>
+ return Holder.INSTANCE.orElseThrow();
+ }
+
+ /**
+ * Gets the brand id of the server.
+ *
+ * @return the brand id of the server (e.g. "papermc:paper")
+ */
+ Key brandId();
+
+ /**
+ * Checks if the current server supports the specified brand.
+ *
+ * @param brandId the brand to check (e.g. "papermc:folia")
+ * @return {@code true} if the server supports the specified brand
+ */
+ @ApiStatus.Experimental
+ boolean isBrandCompatible(final Key brandId);
+
+ /**
+ * Gets the brand name of the server.
+ *
+ * @return the brand name of the server (e.g. "Paper")
+ */
+ String brandName();
+
+ /**
+ * Gets the Minecraft version id.
+ *
+ * @return the Minecraft version id (e.g. "1.20.4", "1.20.2-pre2", "23w31a")
+ */
+ String minecraftVersionId();
+
+ /**
+ * Gets the Minecraft version name.
+ *
+ * @return the Minecraft version name (e.g. "1.20.4", "1.20.2 Pre-release 2", "23w31a")
+ */
+ String minecraftVersionName();
+
+ /**
+ * Gets the build number.
+ *
+ * @return the build number
+ */
+ OptionalInt buildNumber();
+
+ /**
+ * Gets the build time.
+ *
+ * @return the build time
+ */
+ Instant buildTime();
+
+ /**
+ * Gets the git commit branch.
+ *
+ * @return the git commit branch
+ */
+ Optional<String> gitBranch();
+
+ /**
+ * Gets the git commit hash.
+ *
+ * @return the git commit hash
+ */
+ Optional<String> gitCommit();
+
+ /**
+ * Creates a string representation of the server build information.
+ *
+ * @param representation the type of representation
+ * @return a string
+ */
+ String asString(final StringRepresentation representation);
+
+ /**
+ * String representation types.
+ */
+ enum StringRepresentation {
+ /**
+ * A simple version string, in format {@code <minecraftVersionId>-<buildNumber>-<gitCommit>}.
+ */
+ VERSION_SIMPLE,
+ /**
+ * A simple version string, in format {@code <minecraftVersionId>-<buildNumber>-<gitBranch>@<gitCommit> (<buildTime>)}.
+ */
+ VERSION_FULL,
+ }
+}
diff --git a/src/main/java/io/papermc/paper/util/JarManifests.java b/src/main/java/io/papermc/paper/util/JarManifests.java
new file mode 100644
index 0000000000000000000000000000000000000000..7915a70d676b1205dcae39259f670af258a1ab9b
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/JarManifests.java
@@ -0,0 +1,38 @@
+package io.papermc.paper.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Collections;
+import java.util.Map;
+import java.util.WeakHashMap;
+import java.util.jar.Manifest;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
+
+@NullMarked
+@ApiStatus.Internal
+public final class JarManifests {
+ private JarManifests() {
+ }
+
+ private static final Map<ClassLoader, Manifest> MANIFESTS = Collections.synchronizedMap(new WeakHashMap<>());
+
+ public static @Nullable Manifest manifest(final Class<?> clazz) {
+ return MANIFESTS.computeIfAbsent(clazz.getClassLoader(), classLoader -> {
+ final String classLocation = "/" + clazz.getName().replace(".", "/") + ".class";
+ final URL resource = clazz.getResource(classLocation);
+ if (resource == null) {
+ return null;
+ }
+ final String classFilePath = resource.toString().replace("\\", "/");
+ final String archivePath = classFilePath.substring(0, classFilePath.length() - classLocation.length());
+ try (final InputStream stream = new URL(archivePath + "/META-INF/MANIFEST.MF").openStream()) {
+ return new Manifest(stream);
+ } catch (final IOException ex) {
+ return null;
+ }
+ });
+ }
+}
diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index 5780003631beae773231afe3afc6b834bfe1f84d..a005d5f8879262c763d8c4fbd09b9a99810d5e8c 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -110,13 +110,26 @@ public final class Bukkit {
}
Bukkit.server = server;
- server.getLogger().info("This server is running " + getName() + " version " + getVersion() + " (Implementing API version " + getBukkitVersion() + ")");
+ // Paper start - add git information
+ server.getLogger().info(getVersionMessage());
+ }
+ /**
+ * Gets message describing the version server is running.
+ *
+ * @return message describing the version server is running
+ */
+ @NotNull
+ public static String getVersionMessage() {
+ final io.papermc.paper.ServerBuildInfo version = io.papermc.paper.ServerBuildInfo.buildInfo();
+ return "This server is running " + getName() + " version " + version.asString(io.papermc.paper.ServerBuildInfo.StringRepresentation.VERSION_FULL) + " (Implementing API version " + getBukkitVersion() + ")";
+ // Paper end
}
/**
* Gets the name of this server implementation.
*
* @return name of this server implementation
+ * @see io.papermc.paper.ServerBuildInfo#brandName()
*/
@NotNull
public static String getName() {
@@ -127,6 +140,7 @@ public final class Bukkit {
* Gets the version string of this server implementation.
*
* @return version of this server implementation
+ * @see io.papermc.paper.ServerBuildInfo
*/
@NotNull
public static String getVersion() {
@@ -143,6 +157,20 @@ public final class Bukkit {
return server.getBukkitVersion();
}
+ // Paper start - expose game version
+ /**
+ * Gets the version of game this server implements
+ *
+ * @return version of game
+ * @see io.papermc.paper.ServerBuildInfo#minecraftVersionId()
+ * @see io.papermc.paper.ServerBuildInfo#minecraftVersionName()
+ */
+ @NotNull
+ public static String getMinecraftVersion() {
+ return server.getMinecraftVersion();
+ }
+ // Paper end
+
/**
* Gets a view of all currently logged in players. This {@linkplain
* Collections#unmodifiableCollection(Collection) view} is a reused
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index ba28d9f3213ca4b5f15178dc637bff37a8896edc..8a07f21eeb04fb54032ce377a1478f60303e1824 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -120,6 +120,16 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
@NotNull
public String getBukkitVersion();
+ // Paper start - expose game version
+ /**
+ * Gets the version of game this server implements
+ *
+ * @return version of game
+ */
+ @NotNull
+ String getMinecraftVersion();
+ // Paper end
+
/**
* Gets a view of all currently logged in players. This {@linkplain
* Collections#unmodifiableCollection(Collection) view} is a reused
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index e320729782245b5511cd744c417141508020fd26..8b5e4756d1c80e55be166dbe1faf57799f9cc03b 100644
--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -156,4 +156,13 @@ public interface UnsafeValues {
return !Bukkit.getUnsafe().isSupportedApiVersion(plugin.getDescription().getAPIVersion());
}
// Paper end
+
+ // Paper start
+ /**
+ * 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 263208d3cba36cb80c9ee4e3022ef702ea113df2..e64bb57f74e6d6f78927be228825b3e0bdf41f48 100644
--- a/src/main/java/org/bukkit/command/defaults/VersionCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
@@ -25,8 +25,25 @@ import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.util.StringUtil;
import org.jetbrains.annotations.NotNull;
+// Paper start - version command 2.0
+import com.destroystokyo.paper.util.VersionFetcher;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+// Paper end - version command 2.0
public class VersionCommand extends BukkitCommand {
+ private VersionFetcher versionFetcher; // Paper - version command 2.0
+ 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);
@@ -41,7 +58,7 @@ public class VersionCommand extends BukkitCommand {
if (!testPermission(sender)) return true;
if (args.length == 0) {
- sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")");
+ //sender.sendMessage("This server is running " + Bukkit.getName() + " version " + Bukkit.getVersion() + " (Implementing API version " + Bukkit.getBukkitVersion() + ")"); // Paper - moved to setVersionMessage
sendVersion(sender);
} else {
StringBuilder name = new StringBuilder();
@@ -80,8 +97,17 @@ public class VersionCommand extends BukkitCommand {
private void describeToSender(@NotNull Plugin plugin, @NotNull CommandSender sender) {
PluginDescriptionFile desc = plugin.getDescription();
- sender.sendMessage(ChatColor.GREEN + desc.getName() + ChatColor.WHITE + " version " + ChatColor.GREEN + desc.getVersion());
-
+ // Paper start - version command 2.0
+ sender.sendMessage(
+ Component.text()
+ .append(Component.text(desc.getName(), NamedTextColor.GREEN))
+ .append(Component.text(" version "))
+ .append(Component.text(desc.getVersion(), NamedTextColor.GREEN)
+ .hoverEvent(Component.text("Click to copy to clipboard", NamedTextColor.WHITE))
+ .clickEvent(ClickEvent.copyToClipboard(desc.getVersion()))
+ )
+ );
+ // Paper end - version command 2.0
if (desc.getDescription() != null) {
sender.sendMessage(desc.getDescription());
}
@@ -147,14 +173,14 @@ public class VersionCommand extends BukkitCommand {
private final ReentrantLock versionLock = new ReentrantLock();
private boolean hasVersion = false;
- private String versionMessage = null;
+ private Component versionMessage = null; // Paper
private final Set<CommandSender> versionWaiters = new HashSet<CommandSender>();
private boolean versionTaskStarted = false;
private long lastCheck = 0;
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 {
@@ -169,7 +195,7 @@ public class VersionCommand extends BukkitCommand {
return;
}
versionWaiters.add(sender);
- sender.sendMessage("Checking version, please wait...");
+ sender.sendMessage(Component.text("Checking version, please wait...", NamedTextColor.WHITE, TextDecoration.ITALIC)); // Paper
if (!versionTaskStarted) {
versionTaskStarted = true;
new Thread(new Runnable() {
@@ -187,6 +213,13 @@ public class VersionCommand extends BukkitCommand {
private void obtainVersion() {
String version = Bukkit.getVersion();
+ // Paper start
+ if (version.startsWith("null")) { // running from ide?
+ setVersionMessage(Component.text("Unknown version, custom build?", NamedTextColor.YELLOW));
+ return;
+ }
+ setVersionMessage(getVersionFetcher().getVersionMessage(version));
+ /*
if (version == null) version = "Custom";
String[] parts = version.substring(0, version.indexOf(' ')).split("-");
if (parts.length == 4) {
@@ -216,11 +249,24 @@ public class VersionCommand extends BukkitCommand {
} else {
setVersionMessage("Unknown version, custom build?");
}
+ */
+ // Paper end
}
- private void setVersionMessage(@NotNull String msg) {
+ // Paper start
+ private void setVersionMessage(final @NotNull Component msg) {
lastCheck = System.currentTimeMillis();
- versionMessage = msg;
+ final Component message = Component.textOfChildren(
+ Component.text(Bukkit.getVersionMessage(), NamedTextColor.WHITE),
+ Component.newline(),
+ msg
+ );
+ this.versionMessage = Component.text()
+ .append(message)
+ .hoverEvent(Component.text("Click to copy to clipboard", NamedTextColor.WHITE))
+ .clickEvent(ClickEvent.copyToClipboard(PlainTextComponentSerializer.plainText().serialize(message)))
+ .build();
+ // Paper end
versionLock.lock();
try {
hasVersion = true;
diff --git a/src/test/java/io/papermc/paper/TestServerBuildInfo.java b/src/test/java/io/papermc/paper/TestServerBuildInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..17be27a869c1047a7a9440fb8f3717260d4abbd0
--- /dev/null
+++ b/src/test/java/io/papermc/paper/TestServerBuildInfo.java
@@ -0,0 +1,59 @@
+package io.papermc.paper;
+
+import java.time.Instant;
+import java.util.Optional;
+import java.util.OptionalInt;
+import net.kyori.adventure.key.Key;
+import org.jetbrains.annotations.NotNull;
+
+public class TestServerBuildInfo implements ServerBuildInfo {
+ @Override
+ public @NotNull Key brandId() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean isBrandCompatible(final @NotNull Key brandId) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull String brandName() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull String minecraftVersionId() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull String minecraftVersionName() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull OptionalInt buildNumber() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull Instant buildTime() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull Optional<String> gitBranch() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull Optional<String> gitCommit() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull String asString(final @NotNull StringRepresentation representation) {
+ return "";
+ }
+}
diff --git a/src/test/resources/META-INF/services/io.papermc.paper.ServerBuildInfo b/src/test/resources/META-INF/services/io.papermc.paper.ServerBuildInfo
new file mode 100644
index 0000000000000000000000000000000000000000..64e2f8559b9c5a52e0a3229d3d12f65e9af145b3
--- /dev/null
+++ b/src/test/resources/META-INF/services/io.papermc.paper.ServerBuildInfo
@@ -0,0 +1 @@
+io.papermc.paper.TestServerBuildInfo
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