From 3e884f5f3d42cbc4874a04da31dde10314b0cfad Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Thu, 26 Mar 2026 09:17:14 +0000
Subject: format: Move commitgraph and packfile here

---
 format/packfile/ingest/byteslice_reader.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 format/packfile/ingest/byteslice_reader.go

(limited to 'format/packfile/ingest/byteslice_reader.go')

diff --git a/format/packfile/ingest/byteslice_reader.go b/format/packfile/ingest/byteslice_reader.go
new file mode 100644
index 00000000..a1570ef3
--- /dev/null
+++ b/format/packfile/ingest/byteslice_reader.go
@@ -0,0 +1,21 @@
+package ingest
+
+import "io"
+
+// byteSliceReader implements io.ByteReader on []byte.
+type byteSliceReader struct {
+	data []byte
+	pos  int
+}
+
+// ReadByte reads one byte from receiver.
+func (reader *byteSliceReader) ReadByte() (byte, error) {
+	if reader.pos >= len(reader.data) {
+		return 0, io.EOF
+	}
+
+	b := reader.data[reader.pos]
+	reader.pos++
+
+	return b, nil
+}
-- 
cgit v1.3.1-10-gc9f91