From b8aacaf96f78054dfc5e2882462375d3b491e087 Mon Sep 17 00:00:00 2001
From: willies952002 <admin@domnian.com>
Date: Mon, 28 Nov 2016 10:21:52 -0500
Subject: [PATCH] Allow Reloading of Command Aliases

Reload the aliases stored in commands.yml

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 6c7151536..1b6a849e2 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1986,5 +1986,24 @@ public final class CraftServer implements Server {
             });
         }
     }
+
+    @Override
+    public boolean reloadCommandAliases() {
+        Set<String> removals = getCommandAliases().keySet().stream()
+                .map(key -> key.toLowerCase(java.util.Locale.ENGLISH))
+                .collect(java.util.stream.Collectors.toSet());
+        getCommandMap().getKnownCommands().keySet().removeIf(removals::contains);
+        File file = getCommandsConfigFile();
+        try {
+            commandsConfiguration.load(file);
+        } catch (FileNotFoundException ex) {
+            return false;
+        } catch (IOException | org.bukkit.configuration.InvalidConfigurationException ex) {
+            Bukkit.getLogger().log(Level.SEVERE, "Cannot load " + file, ex);
+            return false;
+        }
+        commandMap.registerServerAliases();
+        return true;
+    }
     // Paper end
 }
-- 
2.18.0