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authorGravatar Runxi Yu2026-02-20 12:49:48 +0800
committerGravatar Runxi Yu2026-02-20 12:57:31 +0800
commitb2ca764959a7f213b0d1d8b534c3f4d66e34285e (patch)
tree52e3ec9797feae8c3d33668ecdb698482987657a
parentRevert "packed: Fix message for thin packs not implemented" (diff)
signatureNo signature
Revert "packed: Use random delta seed"
This reverts commit 26ae77e8f63111bba3dd4e92ffcaccaa76570927.
-rw-r--r--packed_write_pack.go10
1 files changed, 3 insertions, 7 deletions
diff --git a/packed_write_pack.go b/packed_write_pack.go
index 81c8399d..f31f42d1 100644
--- a/packed_write_pack.go
+++ b/packed_write_pack.go
@@ -1,7 +1,8 @@
package furgit
import (
- "crypto/rand"
+ "crypto/sha1"
+ "crypto/sha256"
"encoding/binary"
"errors"
"hash"
@@ -306,15 +307,10 @@ func (repo *Repository) packWrite(w io.Writer, objects []Hash, opts packWriteOpt
}
var dctx deltaContext
- var deltaSeed uint32
if opts.EnableDeltas {
dctx.window = defaultDeltaWindow
- var seedBytes [4]byte
- if _, err := rand.Read(seedBytes[:]); err != nil {
- return Hash{}, err
- }
- deltaSeed = binary.LittleEndian.Uint32(seedBytes[:])
}
+ deltaSeed := uint32(0)
for _, id := range objects {
ty, body, err := repo.ReadObjectTypeRaw(id)