Paper/patches/api/0042-Allow-Reloading-of-Command-Aliases.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: willies952002 <admin@domnian.com>
Date: Mon, 28 Nov 2016 10:16:39 -0500
Subject: [PATCH] Allow Reloading of Command Aliases

Reload the aliases stored in commands.yml

diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index 191e9985fc17ffbdb9b6bdadbea46da54f5f7599..3f58ffb4c59a92259fc5dde3d220658b6e54896f 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -1954,6 +1954,15 @@ public final class Bukkit {
     public static void reloadPermissions() {
         server.reloadPermissions();
     }
+
+    /**
+     * Reload the Command Aliases in commands.yml
+     *
+     * @return Whether the reload was successful
+     */
+    public static boolean reloadCommandAliases() {
+        return server.reloadCommandAliases();
+    }
     // Paper end
 
     @NotNull
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index 731679a0893635f5cb71a19fd9ee8562795230b8..01df6fc54078901a9195dd2bb45eaef1706ba036 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -1719,4 +1719,6 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
     // Spigot end
 
     void reloadPermissions(); // Paper
+
+    boolean reloadCommandAliases(); // Paper
 }
diff --git a/src/main/java/org/bukkit/command/CommandMap.java b/src/main/java/org/bukkit/command/CommandMap.java
index bd2c7a6964722412148fae39e1b4951fc0002b9b..864c263bbd4dd6dd7c37a74b39b1a40a884d0731 100644
--- a/src/main/java/org/bukkit/command/CommandMap.java
+++ b/src/main/java/org/bukkit/command/CommandMap.java
@@ -128,4 +128,14 @@ public interface CommandMap {
      */
     @Nullable
     public List<String> tabComplete(@NotNull CommandSender sender, @NotNull String cmdLine, @Nullable Location location) throws IllegalArgumentException;
+
+    // Paper start - Expose Known Commands
+    /**
+     * Return a Map of known commands
+     *
+     * @return known commands
+     */
+    @NotNull
+    public java.util.Map<String, Command> getKnownCommands();
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index adfc7aae2c0f49bbcdd358e83b04a0cf078a7d52..460fda05a62b12db2edcfb7ea8b2a5dd8e4b110d 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -297,4 +297,11 @@ public class SimpleCommandMap implements CommandMap {
             }
         }
     }
+
+    // Paper start - Expose Known Commands
+    @NotNull
+    public Map<String, Command> getKnownCommands() {
+        return knownCommands;
+    }
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
index c62da4131b17e66892678e8b618fb9ba3de93b56..0c7ba0718de2b93d013968ca0fec34ffd423990f 100644
--- a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
@@ -13,7 +13,7 @@ public class ReloadCommand extends BukkitCommand {
     public ReloadCommand(@NotNull String name) {
         super(name);
         this.description = "Reloads the server configuration and plugins";
-        this.usageMessage = "/reload [permissions]"; // Paper
+        this.usageMessage = "/reload [permissions|commands|confirm]"; // Paper
         this.setPermission("bukkit.command.reload");
         this.setAliases(Arrays.asList("rl"));
     }
@@ -29,6 +29,13 @@ public class ReloadCommand extends BukkitCommand {
                 Bukkit.getServer().reloadPermissions();
                 Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Permissions successfully reloaded.");
                 return true;
+            } else if ("commands".equalsIgnoreCase(args[0])) {
+                if (Bukkit.getServer().reloadCommandAliases()) {
+                    Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Command aliases successfully reloaded.");
+                } else {
+                    Command.broadcastCommandMessage(sender, ChatColor.RED + "An error occurred while trying to reload command aliases.");
+                }
+                return true;
             } else if ("confirm".equalsIgnoreCase(args[0])) {
                 confirmed = true;
             } else {
@@ -53,6 +60,6 @@ public class ReloadCommand extends BukkitCommand {
     @NotNull
     @Override
     public List<String> tabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) throws IllegalArgumentException {
-        return java.util.Collections.singletonList("permissions"); // Paper
+        return com.google.common.collect.Lists.newArrayList("permissions", "commands"); // Paper
     }
 }