PaperMC/paper-server/nms-patches/EntityFish.patch

--- a/net/minecraft/server/EntityFish.java
+++ b/net/minecraft/server/EntityFish.java
@@ -71,6 +71,7 @@
 
     public void setFromBucket(boolean flag) {
         this.datawatcher.set(EntityFish.b, Boolean.valueOf(flag));
+        this.persistent = !this.isTypeNotPersistent(); // CraftBukkit - SPIGOT-4106 update persistence
     }
 
     public void b(NBTTagCompound nbttagcompound) {
SPIGOT-4106: Fish from buckets despawn By: md_5 <git@md-5.net> 2018-07-23 10:01:46 +10:00			`--- a/net/minecraft/server/EntityFish.java`
			`+++ b/net/minecraft/server/EntityFish.java`
Update to Minecraft 1.13.1 By: md_5 <git@md-5.net> 2018-08-26 12:00:00 +10:00			`@@ -71,6 +71,7 @@`
SPIGOT-4106: Fish from buckets despawn By: md_5 <git@md-5.net> 2018-07-23 10:01:46 +10:00
Update to Minecraft 1.13.1 By: md_5 <git@md-5.net> 2018-08-26 12:00:00 +10:00			`public void setFromBucket(boolean flag) {`
SPIGOT-4106: Fish from buckets despawn By: md_5 <git@md-5.net> 2018-07-23 10:01:46 +10:00			`this.datawatcher.set(EntityFish.b, Boolean.valueOf(flag));`
			`+ this.persistent = !this.isTypeNotPersistent(); // CraftBukkit - SPIGOT-4106 update persistence`
			`}`

			`public void b(NBTTagCompound nbttagcompound) {`