PaperMC/nms-patches/CommandExecute.patch

--- a/net/minecraft/server/CommandExecute.java
+++ b/net/minecraft/server/CommandExecute.java
@@ -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 {
 
@@ -94,12 +98,31 @@
             ICommandHandler icommandhandler = MinecraftServer.getServer().getCommandHandler();
 
             try {
-                int j = icommandhandler.a(icommandlistener1, s);
+                // CraftBukkit start
+                org.bukkit.command.CommandSender sender = null;
+                if (icommandlistener instanceof DedicatedServer) {
+                    sender = MinecraftServer.getServer().server.getConsoleSender();
+                } else if (icommandlistener instanceof CommandBlockListenerAbstract) {
+                    sender = ((CommandBlockListenerAbstract) 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]);
+                }
+                int j = CommandBlockListenerAbstract.executeCommand(icommandlistener1, new ProxiedNativeCommandSender(icommandlistener1, sender, entity.getBukkitEntity()), s); 
+                // CraftBukkit end
 
                 if (j < 1) {
                     throw new CommandException("commands.execute.allInvocationsFailed", new Object[] { s});
                 }
             } catch (Throwable throwable) {
+                // CraftBukkit start
+                if (throwable instanceof CommandException) {
+                    throw (CommandException) throwable;
+                }
+                // CraftBukkit end
                 throw new CommandException("commands.execute.failed", new Object[] { s, entity.getName()});
             }
         }
@@ -112,4 +135,11 @@
     public boolean isListStart(String[] astring, int i) {
         return i == 0;
     }
+
+    // CraftBukkit start - fix decompiler error
+    @Override
+    public int compareTo(ICommand o) {
+        return a((ICommand) o);
+    }
+    // CraftBukkit end
 }