ForgePatch/patches/minecraft/net/minecraft/command/CommandHandler.java.patch

--- ../src-base/minecraft/net/minecraft/command/CommandHandler.java
+++ ../src-work/minecraft/net/minecraft/command/CommandHandler.java
@@ -47,6 +47,17 @@
         }
         else if (icommand.func_184882_a(this.func_184879_a(), p_71556_1_))
         {
+            net.minecraftforge.event.CommandEvent event = new net.minecraftforge.event.CommandEvent(icommand, p_71556_1_, astring);
+            if (net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(event))
+            {
+                if (event.getException() != null)
+                {
+                    com.google.common.base.Throwables.propagateIfPossible(event.getException());
+                }
+                return 1;
+            }
+            if (event.getParameters() != null) astring = event.getParameters();
+
             if (i > -1)
             {
                 List<Entity> list = EntitySelector.<Entity>func_179656_b(p_71556_1_, astring[i], Entity.class);
@@ -110,7 +121,7 @@
             TextComponentTranslation textcomponenttranslation = new TextComponentTranslation("commands.generic.exception", new Object[0]);
             textcomponenttranslation.func_150256_b().func_150238_a(TextFormatting.RED);
             p_175786_1_.func_145747_a(textcomponenttranslation);
-            field_147175_a.warn("Couldn\'t process command: \'{}\'", new Object[] {p_175786_4_});
+            field_147175_a.warn("Couldn\'t process command: \'" + p_175786_4_ + "\'", var9);
         }
 
         return false;