From ac400226b0b622aae21b09cb6c83f07924647d0d Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Thu, 29 Jan 2026 21:01:40 +0100
Subject: delta, packed: Use xxhash instead of murmurhash2

---
 packed_write_pack.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'packed_write_pack.go')

diff --git a/packed_write_pack.go b/packed_write_pack.go
index 032e308d..aa5b7aa0 100644
--- a/packed_write_pack.go
+++ b/packed_write_pack.go
@@ -319,14 +319,14 @@ func (repo *Repository) packWrite(w io.Writer, objects []Hash, opts packWriteOpt
 	}
 
 	var dctx deltaContext
-	var deltaSeed uint32
+	var deltaSeed uint64
 	if opts.EnableDeltas {
 		dctx.window = defaultDeltaWindow
-		var seedBytes [4]byte
+		var seedBytes [8]byte
 		if _, err := rand.Read(seedBytes[:]); err != nil {
 			return Hash{}, err
 		}
-		deltaSeed = binary.LittleEndian.Uint32(seedBytes[:])
+		deltaSeed = binary.LittleEndian.Uint64(seedBytes[:])
 	}
 
 	for _, id := range objects {
-- 
cgit v1.3.1-10-gc9f91