From 4f5afe9d7c2eb5e11140d2cff328782478588c71 Mon Sep 17 00:00:00 2001
From: Ivan Frade <ifrade@google.com>
Date: Tue, 5 Sep 2023 11:25:54 -0700
Subject: [PATCH] CommitGraphWriter: Make the list of chunks immutable

The chunk list is calculated before start writing and it is
immutable afterwards.

Make this explicit using an unmodifiable list for the chunks.

Change-Id: I4a5cfb1f3d06a9393d8d93a3fac3c128cf3faec0
---
 .../jgit/internal/storage/commitgraph/CommitGraphWriter.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/commitgraph/CommitGraphWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/commitgraph/CommitGraphWriter.java
index afbd7e654..aef01fbb3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/commitgraph/CommitGraphWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/commitgraph/CommitGraphWriter.java
@@ -33,6 +33,7 @@
 import java.nio.ByteBuffer;
 import java.text.MessageFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
@@ -171,7 +172,7 @@ private List<ChunkHeader> createChunks(Stats stats)
 			chunks.add(new ChunkHeader(CHUNK_ID_BLOOM_FILTER_DATA,
 					bloomFilterChunks.data));
 		}
-		return chunks;
+		return Collections.unmodifiableList(chunks);
 	}
 
 	private static long calculateExpectedSize(List<ChunkHeader> chunks) {