From b4bff6fc3d3f80a7e297624f5d9dbf3ec7d6f6aa Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Tue, 17 Jul 2018 06:49:40 +1000
Subject: [PATCH] SPIGOT-4026: Clicking on command error suggestion should
 return verbatim input

---
 nms-patches/CommandDispatcher.patch           | 24 ++++++++++++-------
 .../command/VanillaCommandWrapper.java        |  8 +++----
 2 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/nms-patches/CommandDispatcher.patch b/nms-patches/CommandDispatcher.patch
index f9842a44d3..0c03bf60ff 100644
--- a/nms-patches/CommandDispatcher.patch
+++ b/nms-patches/CommandDispatcher.patch
@@ -33,7 +33,7 @@
          this.b.setConsumer((commandcontext, flag, i) -> {
              ((CommandListenerWrapper) commandcontext.getSource()).a(commandcontext, flag, i);
          });
-@@ -114,7 +126,58 @@
+@@ -114,8 +126,63 @@
  
      }
  
@@ -73,6 +73,11 @@
 +    }
 +
      public int a(CommandListenerWrapper commandlistenerwrapper, String s) {
+-        String s1 = s;
++        return this.a(commandlistenerwrapper, s, s);
++    }
++
++    public int a(CommandListenerWrapper commandlistenerwrapper, String s, String label) {
 +        // Some commands use the worldserver variable but we leave it full of null values,
 +        // so we must temporarily populate it with the world of the commandsender
 +        WorldServer[] prev = MinecraftServer.getServer().worldServer;
@@ -88,11 +93,12 @@
 +            }
 +            server.worldServer[pos] = world;
 +        }
++        String s1 = label;
 +        // CraftBukkit end
-         String s1 = s;
  
          if (s.startsWith("/")) {
-@@ -126,7 +189,6 @@
+             s = s.substring(1);
+@@ -126,7 +193,6 @@
          byte b0;
  
          try {
@@ -100,7 +106,7 @@
              ChatComponentText chatcomponenttext;
  
              try {
-@@ -135,54 +197,59 @@
+@@ -135,54 +201,59 @@
                  return i;
              } catch (CommandException commandexception) {
                  commandlistenerwrapper.sendFailureMessage(commandexception.a());
@@ -152,17 +158,17 @@
              } catch (Exception exception) {
 -                chatcomponenttext = new ChatComponentText;
 -            }
-+                ChatMessage chatmessage1 = new ChatMessage("command.failed", new Object[0]);
- 
+-
 -            chatcomponenttext.<init>(exception.getMessage() == null ? exception.getClass().getName() : exception.getMessage());
 -            ChatComponentText chatcomponenttext1 = chatcomponenttext;
++                ChatMessage chatmessage1 = new ChatMessage("command.failed", new Object[0]);
+ 
+-            if (CommandDispatcher.a.isDebugEnabled()) {
+-                StackTraceElement[] astacktraceelement = exception.getStackTrace();
 +                chatcomponenttext = new ChatComponentText(exception.getMessage() == null ? exception.getClass().getName() : exception.getMessage());
 +                if (CommandDispatcher.a.isDebugEnabled()) {
 +                    StackTraceElement[] astacktraceelement = exception.getStackTrace();
  
--            if (CommandDispatcher.a.isDebugEnabled()) {
--                StackTraceElement[] astacktraceelement = exception.getStackTrace();
--
 -                for (int k = 0; k < Math.min(astacktraceelement.length, 3); ++k) {
 -                    chatcomponenttext1.a("\n\n").a(astacktraceelement[k].getMethodName()).a("\n ").a(astacktraceelement[k].getFileName()).a(":").a(String.valueOf(astacktraceelement[k].getLineNumber()));
 +                    for (int k = 0; k < Math.min(astacktraceelement.length, 3); ++k) {
diff --git a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
index 5de49fe00e..f6bc346c33 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
@@ -43,7 +43,7 @@ public final class VanillaCommandWrapper extends BukkitCommand {
         if (!testPermission(sender)) return true;
 
         CommandListenerWrapper icommandlistener = getListener(sender);
-        dispatcher.a(icommandlistener, toDispatcher(args));
+        dispatcher.a(icommandlistener, toDispatcher(args, getName()), toDispatcher(args, commandLabel));
         return true;
     }
 
@@ -54,7 +54,7 @@ public final class VanillaCommandWrapper extends BukkitCommand {
         Validate.notNull(alias, "Alias cannot be null");
 
         CommandListenerWrapper icommandlistener = getListener(sender);
-        ParseResults<CommandListenerWrapper> parsed = dispatcher.a().parse(toDispatcher(args), icommandlistener);
+        ParseResults<CommandListenerWrapper> parsed = dispatcher.a().parse(toDispatcher(args, getName()), icommandlistener);
 
         List<String> results = new ArrayList<>();
         dispatcher.a().getCompletionSuggestions(parsed).thenAccept((suggestions) -> {
@@ -91,7 +91,7 @@ public final class VanillaCommandWrapper extends BukkitCommand {
         return "minecraft.command." + ((vanillaCommand.getRedirect() == null) ? vanillaCommand.getName() : vanillaCommand.getRedirect().getName());
     }
 
-    private String toDispatcher(String[] args) {
-        return getName() + ((args.length > 0) ? " " + Joiner.on(' ').join(args) : "");
+    private String toDispatcher(String[] args, String name) {
+        return "/" + name + ((args.length > 0) ? " " + Joiner.on(' ').join(args) : "");
     }
 }