PaperMC/paper-server/nms-patches/net/minecraft/world/level/block/BlockTripwireHook.patch

--- a/net/minecraft/world/level/block/BlockTripwireHook.java
+++ b/net/minecraft/world/level/block/BlockTripwireHook.java
@@ -30,6 +30,11 @@
 import net.minecraft.world.phys.shapes.VoxelShape;
 import net.minecraft.world.phys.shapes.VoxelShapeCollision;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.event.block.BlockRedstoneEvent;
+// CraftBukkit end
+
 public class BlockTripwireHook extends Block {
 
     public static final MapCodec<BlockTripwireHook> CODEC = simpleCodec(BlockTripwireHook::new);
@@ -174,6 +179,15 @@
                 emitState(world, blockposition1, flag4, flag5, flag2, flag3);
             }
 
+            // CraftBukkit start
+            BlockRedstoneEvent eventRedstone = new BlockRedstoneEvent(CraftBlock.at(world, blockposition), 15, 0);
+            world.getCraftServer().getPluginManager().callEvent(eventRedstone);
+
+            if (eventRedstone.getNewCurrent() > 0) {
+                return;
+            }
+            // CraftBukkit end
+
             emitState(world, blockposition, flag4, flag5, flag2, flag3);
             if (!flag) {
                 world.setBlock(blockposition, (IBlockData) iblockdata3.setValue(BlockTripwireHook.FACING, enumdirection), 3);