Updated Upstream (Bukkit/CraftBukkit/Spigot)

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

Developers!: You will need to clean up your work/Minecraft/1.13.2 folder
for this

Also, restore a patch that was dropped in the last upstream

Bukkit Changes:
279eeab3 Fix command description not being set
96e2bb18 Remove debug print from SyntheticEventTest

CraftBukkit Changes:
d3ed1516 Fix dangerously threaded beacons
217a293d Don't relocate joptsimple to allow --help to work.
1be05a21 Prepare for imminent Java 12 release
a49270b2 Mappings Update
5259d80c SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports

Spigot Changes:
e6eb36f2 Rebuild patches

Spigot-API-Patches/0138-Slime-Pathfinder-Events.patch

@@ -1,220 +0,0 @@
-From d8ce298f5b4e64dcf643b8c080c6e47d73c52113 Mon Sep 17 00:00:00 2001
-From: BillyGalbreath <Blake.Galbreath@GMail.com>
-Date: Fri, 24 Aug 2018 08:18:27 -0500
-Subject: [PATCH] Slime Pathfinder Events
-
-
-diff --git a/src/main/java/com/destroystokyo/paper/event/entity/SlimeChangeDirectionEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/SlimeChangeDirectionEvent.java
-new file mode 100644
-index 000000000..2638bbd3e
---- /dev/null
-+++ b/src/main/java/com/destroystokyo/paper/event/entity/SlimeChangeDirectionEvent.java
-@@ -0,0 +1,38 @@
-+package com.destroystokyo.paper.event.entity;
-+
-+import org.bukkit.entity.Slime;
-+import org.bukkit.event.Cancellable;
-+import org.jetbrains.annotations.NotNull;
-+
-+/**
-+ * Fired when a Slime decides to change it's facing direction.
-+ * <p>
-+ * This event does not fire for the entity's actual movement. Only when it
-+ * is choosing to change direction.
-+ */
-+public class SlimeChangeDirectionEvent extends SlimePathfindEvent implements Cancellable {
-+    private float yaw;
-+
-+    public SlimeChangeDirectionEvent(@NotNull Slime slime, float yaw) {
-+        super(slime);
-+        this.yaw = yaw;
-+    }
-+
-+    /**
-+     * Get the new chosen yaw
-+     *
-+     * @return Chosen yaw
-+     */
-+    public float getNewYaw() {
-+        return yaw;
-+    }
-+
-+    /**
-+     * Set the new chosen yaw
-+     *
-+     * @param yaw Chosen yaw
-+     */
-+    public void setNewYaw(float yaw) {
-+        this.yaw = yaw;
-+    }
-+}
-diff --git a/src/main/java/com/destroystokyo/paper/event/entity/SlimePathfindEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/SlimePathfindEvent.java
-new file mode 100644
-index 000000000..14b67da10
---- /dev/null
-+++ b/src/main/java/com/destroystokyo/paper/event/entity/SlimePathfindEvent.java
-@@ -0,0 +1,53 @@
-+package com.destroystokyo.paper.event.entity;
-+
-+import org.bukkit.entity.Slime;
-+import org.bukkit.event.Cancellable;
-+import org.bukkit.event.HandlerList;
-+import org.bukkit.event.entity.EntityEvent;
-+import org.jetbrains.annotations.NotNull;
-+
-+/**
-+ * Fired when a Slime decides to start pathfinding.
-+ * <p>
-+ * This event does not fire for the entity's actual movement. Only when it
-+ * is choosing to start moving.
-+ */
-+public class SlimePathfindEvent extends EntityEvent implements Cancellable {
-+    public SlimePathfindEvent(@NotNull Slime slime) {
-+        super(slime);
-+    }
-+
-+    /**
-+     * The Slime that is pathfinding.
-+     *
-+     * @return The Slime that is pathfinding.
-+     */
-+    @NotNull
-+    public Slime getEntity() {
-+        return (Slime) entity;
-+    }
-+
-+    private static final HandlerList handlers = new HandlerList();
-+
-+    @NotNull
-+    public HandlerList getHandlers() {
-+        return handlers;
-+    }
-+
-+    @NotNull
-+    public static HandlerList getHandlerList() {
-+        return handlers;
-+    }
-+
-+    private boolean cancelled = false;
-+
-+    @Override
-+    public boolean isCancelled() {
-+        return cancelled;
-+    }
-+
-+    @Override
-+    public void setCancelled(boolean cancel) {
-+        cancelled = cancel;
-+    }
-+}
-diff --git a/src/main/java/com/destroystokyo/paper/event/entity/SlimeSwimEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/SlimeSwimEvent.java
-new file mode 100644
-index 000000000..c8dd49d11
---- /dev/null
-+++ b/src/main/java/com/destroystokyo/paper/event/entity/SlimeSwimEvent.java
-@@ -0,0 +1,17 @@
-+package com.destroystokyo.paper.event.entity;
-+
-+import org.bukkit.entity.Slime;
-+import org.bukkit.event.Cancellable;
-+import org.jetbrains.annotations.NotNull;
-+
-+/**
-+ * Fired when a Slime decides to start jumping while swimming in water/lava.
-+ * <p>
-+ * This event does not fire for the entity's actual movement. Only when it
-+ * is choosing to start jumping.
-+ */
-+public class SlimeSwimEvent extends SlimeWanderEvent implements Cancellable {
-+    public SlimeSwimEvent(@NotNull Slime slime) {
-+        super(slime);
-+    }
-+}
-diff --git a/src/main/java/com/destroystokyo/paper/event/entity/SlimeTargetLivingEntityEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/SlimeTargetLivingEntityEvent.java
-new file mode 100644
-index 000000000..e9ba32799
---- /dev/null
-+++ b/src/main/java/com/destroystokyo/paper/event/entity/SlimeTargetLivingEntityEvent.java
-@@ -0,0 +1,31 @@
-+package com.destroystokyo.paper.event.entity;
-+
-+import org.bukkit.entity.LivingEntity;
-+import org.bukkit.entity.Slime;
-+import org.bukkit.event.Cancellable;
-+import org.jetbrains.annotations.NotNull;
-+
-+/**
-+ * Fired when a Slime decides to change direction to target a LivingEntity.
-+ * <p>
-+ * This event does not fire for the entity's actual movement. Only when it
-+ * is choosing to start moving.
-+ */
-+public class SlimeTargetLivingEntityEvent extends SlimePathfindEvent implements Cancellable {
-+    @NotNull private final LivingEntity target;
-+
-+    public SlimeTargetLivingEntityEvent(@NotNull Slime slime, @NotNull LivingEntity target) {
-+        super(slime);
-+        this.target = target;
-+    }
-+
-+    /**
-+     * Get the targeted entity
-+     *
-+     * @return Targeted entity
-+     */
-+    @NotNull
-+    public LivingEntity getTarget() {
-+        return target;
-+    }
-+}
-diff --git a/src/main/java/com/destroystokyo/paper/event/entity/SlimeWanderEvent.java b/src/main/java/com/destroystokyo/paper/event/entity/SlimeWanderEvent.java
-new file mode 100644
-index 000000000..4683a7237
---- /dev/null
-+++ b/src/main/java/com/destroystokyo/paper/event/entity/SlimeWanderEvent.java
-@@ -0,0 +1,17 @@
-+package com.destroystokyo.paper.event.entity;
-+
-+import org.bukkit.entity.Slime;
-+import org.bukkit.event.Cancellable;
-+import org.jetbrains.annotations.NotNull;
-+
-+/**
-+ * Fired when a Slime decides to start wandering.
-+ * <p>
-+ * This event does not fire for the entity's actual movement. Only when it
-+ * is choosing to start moving.
-+ */
-+public class SlimeWanderEvent extends SlimePathfindEvent implements Cancellable {
-+    public SlimeWanderEvent(@NotNull Slime slime) {
-+        super(slime);
-+    }
-+}
-diff --git a/src/main/java/org/bukkit/entity/Slime.java b/src/main/java/org/bukkit/entity/Slime.java
-index 1119e26e2..c4791f95d 100644
---- a/src/main/java/org/bukkit/entity/Slime.java
-+++ b/src/main/java/org/bukkit/entity/Slime.java
-@@ -14,4 +14,20 @@ public interface Slime extends Mob {
-      * @param sz The new size of the slime.
-      */
-     public void setSize(int sz);
-+
-+    // Paper start
-+    /**
-+     * Get whether this slime can randomly wander/jump around on its own
-+     *
-+     * @return true if can wander
-+     */
-+    public boolean canWander();
-+
-+    /**
-+     * Set whether this slime can randomly wander/jump around on its own
-+     *
-+     * @param canWander true if can wander
-+     */
-+    public void setWander(boolean canWander);
-+    // Paper end
- }
--- 
-2.21.0
-