SPIGOT-449: Fix the wrong caller being used in chain execute commands

nms-patches/CommandBlockListenerAbstract.patch

@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/CommandBlockListenerAbstract.java	2014-12-27 14:58:24.901254690 +0000
-+++ src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java	2014-12-27 14:58:24.905254690 +0000
+--- ../work/decompile-8eb82bde//net/minecraft/server/CommandBlockListenerAbstract.java	2015-01-25 15:16:21.156837700 +0000
++++ src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java	2015-01-25 15:16:21.156837700 +0000
 @@ -4,6 +4,13 @@
  import java.util.Date;
  import java.util.concurrent.Callable;
@@ -82,7 +82,7 @@
 +            if (!((VanillaCommandWrapper) commandBlockCommand).testPermission(bSender)) {
 +                return 0;
 +            }
-+            return ((VanillaCommandWrapper) commandBlockCommand).dispatchVanillaCommand(sender, as);
++            return ((VanillaCommandWrapper) commandBlockCommand).dispatchVanillaCommand(bSender, sender, as);
 +        }
 +
 +        // Make sure this is a valid command

nms-patches/CommandExecute.patch

@@ -1,14 +1,17 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/CommandExecute.java	2015-01-04 23:24:40.781538505 +0000
-+++ src/main/java/net/minecraft/server/CommandExecute.java	2015-01-04 23:24:40.781538505 +0000
-@@ -2,6 +2,7 @@
+--- ../work/decompile-8eb82bde//net/minecraft/server/CommandExecute.java	2015-01-25 15:16:56.720837314 +0000
++++ src/main/java/net/minecraft/server/CommandExecute.java	2015-01-25 15:16:56.720837314 +0000
+@@ -2,6 +2,10 @@
  
  import java.util.Collection;
  import java.util.List;
++// CraftBukkit start
 +import org.bukkit.craftbukkit.command.ProxiedNativeCommandSender;
++import org.bukkit.craftbukkit.command.VanillaCommandWrapper;
++// CraftBukkit end
  
  public class CommandExecute extends CommandAbstract {
  
-@@ -19,7 +20,7 @@
+@@ -19,7 +23,7 @@
          return "commands.execute.usage";
      }
  
@@ -17,7 +20,7 @@
          if (astring.length < 5) {
              throw new ExceptionUsage("commands.execute.usage", new Object[0]);
          } else {
-@@ -52,12 +53,28 @@
+@@ -52,12 +56,30 @@
              ICommandHandler icommandhandler = MinecraftServer.getServer().getCommandHandler();
  
              try {
@@ -25,12 +28,14 @@
 -
 +                // CraftBukkit start
 +                org.bukkit.command.CommandSender sender = null;
-+                if (icommandlistener.f() != null) {
-+                    sender = icommandlistener.f().getBukkitEntity();
-+                } else if (icommandlistener instanceof DedicatedServer) {
++                if (icommandlistener instanceof DedicatedServer) {
 +                    sender = MinecraftServer.getServer().server.getConsoleSender();
 +                } else if (icommandlistener instanceof TileEntityCommandListener) {
 +                    sender = ((TileEntityCommandListener) icommandlistener).sender;
++                } else if (VanillaCommandWrapper.lastSender != null) {
++                    sender = VanillaCommandWrapper.lastSender;
++                }else if (icommandlistener.f() != null) {
++                    sender = icommandlistener.f().getBukkitEntity();
 +                } else {
 +                    throw new CommandException("Unhandled executor " + icommandlistener.getClass().getSimpleName(), new Object[0]);
 +                }
@@ -48,7 +53,7 @@
                  throw new CommandException("commands.execute.failed", new Object[] { s, entity.getName()});
              }
          }
-@@ -70,4 +87,11 @@
+@@ -70,4 +92,11 @@
      public boolean isListStart(String[] astring, int i) {
          return i == 0;
      }

src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java

@@ -10,6 +10,7 @@ import org.apache.logging.log4j.Level;
 import org.bukkit.command.BlockCommandSender;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.command.ProxiedCommandSender;
 import org.bukkit.command.RemoteConsoleCommandSender;
 import org.bukkit.command.defaults.*;
 import org.bukkit.craftbukkit.CraftServer;
@@ -39,7 +40,7 @@ public final class VanillaCommandWrapper extends VanillaCommand {
         if (!testPermission(sender)) return true;
 
         ICommandListener icommandlistener = getListener(sender);
-        dispatchVanillaCommand(icommandlistener, args);
+        dispatchVanillaCommand(sender, icommandlistener, args);
         return true;
     }
 
@@ -51,7 +52,9 @@ public final class VanillaCommandWrapper extends VanillaCommand {
         return (List<String>) vanillaCommand.tabComplete(getListener(sender), args, new BlockPosition(0, 0, 0));
     }
 
-    public final int dispatchVanillaCommand(ICommandListener icommandlistener, String[] as) {
+    public static CommandSender lastSender = null; // Nasty :(
+
+    public final int dispatchVanillaCommand(CommandSender bSender, ICommandListener icommandlistener, String[] as) {
         // Copied from net.minecraft.server.CommandHandler
         int i = getPlayerListSize(as);
         int j = 0;
@@ -71,6 +74,8 @@ public final class VanillaCommandWrapper extends VanillaCommand {
                     while (iterator.hasNext()) {
                         Entity entity = iterator.next();
 
+                        CommandSender oldSender = lastSender;
+                        lastSender = bSender;
                         try {
                             as[i] = entity.getUniqueID().toString();
                             vanillaCommand.execute(icommandlistener, as);
@@ -83,7 +88,9 @@ public final class VanillaCommandWrapper extends VanillaCommand {
                             ChatMessage chatmessage = new ChatMessage(commandexception.getMessage(), commandexception.getArgs());
                             chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
                             icommandlistener.sendMessage(chatmessage);
-                        } 
+                        } finally {
+                            lastSender = oldSender;
+                        }
                     }
                     as[i] = s2;
                 } else {
@@ -140,6 +147,9 @@ public final class VanillaCommandWrapper extends VanillaCommand {
         if (sender instanceof ConsoleCommandSender) {
             return ((CraftServer) sender.getServer()).getServer();
         }
+        if (sender instanceof ProxiedCommandSender) {
+            return ((ProxiedNativeCommandSender) sender).getHandle();
+        }
         return null;
     }