Catch up with API changes on the go-cdc side

It's now the caller's responsibility to create an instance of bufio.

Author: EdSchouten

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/bluekeyes/go-gitdiff v0.8.1
 	github.com/buildbarn/bb-remote-execution v0.0.0-20260130092441-749fb408bd30
 	github.com/buildbarn/bb-storage v0.0.0-20260202202412-d7d4116607ae
-	github.com/buildbarn/go-cdc v0.0.3
+	github.com/buildbarn/go-cdc v0.0.4
 	github.com/ericlagergren/siv v0.0.0-20220507050439-0b757b3aa5f1
 	github.com/google/uuid v1.6.0
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51

go.sum

@@ -87,8 +87,8 @@ github.com/buildbarn/bb-remote-execution v0.0.0-20260130092441-749fb408bd30 h1:p
 github.com/buildbarn/bb-remote-execution v0.0.0-20260130092441-749fb408bd30/go.mod h1:B0+2MQn6iGZ9i+wX54tLBfsyKLl3EPKSWgAQ6SRorhk=
 github.com/buildbarn/bb-storage v0.0.0-20260202202412-d7d4116607ae h1:2DHW0Ul8rT47OImD3hXLJk1xV/tlEm7aCqDtR8+tAms=
 github.com/buildbarn/bb-storage v0.0.0-20260202202412-d7d4116607ae/go.mod h1:96kqnkrdkHHi94Agje3NM8qwrYMxJRSkAqsb7oXRhNI=
-github.com/buildbarn/go-cdc v0.0.3 h1:9Wyl3ZZCUynp/ciAuCQxkG6T5GAuQO4+W5L+ETm3aa8=
-github.com/buildbarn/go-cdc v0.0.3/go.mod h1:fKDR6j7wx1beugY52Psk5/Oe61fsr4vn2YpnPYXWDOM=
+github.com/buildbarn/go-cdc v0.0.4 h1:Q5tKgdwXd3KPuTAwbat7KYioOu4jNOQIe0VhKrjUwCE=
+github.com/buildbarn/go-cdc v0.0.4/go.mod h1:fKDR6j7wx1beugY52Psk5/Oe61fsr4vn2YpnPYXWDOM=
 github.com/buildbarn/go-sha256tree v0.0.0-20250310211320-0f70f20e855b h1:IKUxixGBm9UxobU7c248z0BF0ojG19uoSLz8MFZM/KA=
 github.com/buildbarn/go-sha256tree v0.0.0-20250310211320-0f70f20e855b/go.mod h1:e7g3/yWApcg+PpDqd4eQEEV8pexQmfCgK3frP+1Wuvk=
 github.com/buildbarn/go-xdr v0.0.0-20240702182809-236788cf9e89 h1:Wtpgk4CIkoEJ7Qx3BwjaMp3TOVv834heqyCC9jMKStM=

pkg/model/filesystem/create_file_merkle_tree.go

@@ -1,6 +1,7 @@
 package filesystem
 
 import (
+	"bufio"
 	"context"
 	"io"
 	"math"
@@ -63,8 +64,13 @@ func maybeWriteHole[T model_core.ReferenceMetadata](treeBuilder btree.Builder[*m
 // Merkle trees for sparse files.
 func CreateFileMerkleTree[T model_core.ReferenceMetadata](ctx context.Context, parameters *FileCreationParameters, f io.Reader, capturer FileMerkleTreeCapturer[T]) (model_core.PatchedMessage[*model_filesystem_pb.FileContents, T], error) {
 	chunker := cdc.NewRepMaxContentDefinedChunker(
-		f,
-		/* bufferSizeBytes = */ max(parameters.referenceFormat.GetMaximumObjectSizeBytes(), 2*parameters.chunkMinimumSizeBytes+parameters.chunkHorizonSizeBytes),
+		bufio.NewReaderSize(
+			f,
+			max(
+				parameters.referenceFormat.GetMaximumObjectSizeBytes(),
+				2*parameters.chunkMinimumSizeBytes+parameters.chunkHorizonSizeBytes,
+			),
+		),
 		parameters.chunkMinimumSizeBytes,
 		parameters.chunkHorizonSizeBytes,
 	)