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

--- a/net/minecraft/world/level/block/BlockSweetBerryBush.java
+++ b/net/minecraft/world/level/block/BlockSweetBerryBush.java
@@ -27,6 +27,14 @@
 import net.minecraft.world.phys.shapes.VoxelShape;
 import net.minecraft.world.phys.shapes.VoxelShapeCollision;
 
+// CraftBukkit start
+import java.util.Collections;
+import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.player.PlayerHarvestBlockEvent;
+// CraftBukkit end
+
 public class BlockSweetBerryBush extends BlockPlant implements IBlockFragilePlantElement {
 
     private static final float HURT_SPEED_THRESHOLD = 0.003F;
@@ -62,7 +70,7 @@
         if (i < 3 && randomsource.nextInt(5) == 0 && worldserver.getRawBrightness(blockposition.above(), 0) >= 9) {
             IBlockData iblockdata1 = (IBlockData) iblockdata.setValue(BlockSweetBerryBush.AGE, i + 1);
 
-            worldserver.setBlock(blockposition, iblockdata1, 2);
+            if (!CraftEventFactory.handleBlockGrowEvent(worldserver, blockposition, iblockdata1, 2)) return; // CraftBukkit
             worldserver.gameEvent(GameEvent.BLOCK_CHANGE, blockposition, GameEvent.a.of(iblockdata1));
         }
 
@@ -77,7 +85,9 @@
                 double d1 = Math.abs(entity.getZ() - entity.zOld);
 
                 if (d0 >= 0.003000000026077032D || d1 >= 0.003000000026077032D) {
+                    CraftEventFactory.blockDamage = CraftBlock.at(world, blockposition); // CraftBukkit
                     entity.hurt(world.damageSources().sweetBerryBush(), 1.0F);
+                    CraftEventFactory.blockDamage = null; // CraftBukkit
                 }
             }
 
@@ -94,7 +104,15 @@
         } else if (i > 1) {
             int j = 1 + world.random.nextInt(2);
 
-            popResource(world, blockposition, new ItemStack(Items.SWEET_BERRIES, j + (flag ? 1 : 0)));
+            // CraftBukkit start
+            PlayerHarvestBlockEvent event = CraftEventFactory.callPlayerHarvestBlockEvent(world, blockposition, entityhuman, enumhand, Collections.singletonList(new ItemStack(Items.SWEET_BERRIES, j + (flag ? 1 : 0))));
+            if (event.isCancelled()) {
+                return EnumInteractionResult.SUCCESS; // We need to return a success either way, because making it PASS or FAIL will result in a bug where cancelling while harvesting w/ block in hand places block
+            }
+            for (org.bukkit.inventory.ItemStack itemStack : event.getItemsHarvested()) {
+                popResource(world, blockposition, CraftItemStack.asNMSCopy(itemStack));
+            }
+            // CraftBukkit end
             world.playSound((EntityHuman) null, blockposition, SoundEffects.SWEET_BERRY_BUSH_PICK_BERRIES, SoundCategory.BLOCKS, 1.0F, 0.8F + world.random.nextFloat() * 0.4F);
             IBlockData iblockdata1 = (IBlockData) iblockdata.setValue(BlockSweetBerryBush.AGE, 1);