From 1de28c5fc4331ed3841661246be167c450ff7986 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Mon, 17 Nov 2025 00:00:00 +0000
Subject: Revert "Compute checksum when reading packfiles"

This reverts commit 1dcb92427c23d0a8b23c0154b892243c749afa5a.

Yeah this should be part of the network protocol rather than being done
on *every read*.
---
 pack_idx.go | 17 -----------------
 1 file changed, 17 deletions(-)

(limited to 'pack_idx.go')

diff --git a/pack_idx.go b/pack_idx.go
index a9cb9056..68170ad3 100644
--- a/pack_idx.go
+++ b/pack_idx.go
@@ -196,23 +196,6 @@ func (pi *packIndex) parse(buf []byte) error {
 	pi.numObjects = nobj
 	pi.names = buf[namesStart:namesEnd]
 	pi.crcs = buf[crcStart:crcEnd]
-
-	if len(buf) < 2*pi.repo.hashSize {
-		return ErrInvalidObject
-	}
-	idxChecksumStart := len(buf) - pi.repo.hashSize
-	idxChecksumInFile := buf[idxChecksumStart:]
-
-	hashFn, ok := hashFuncs[pi.repo.hashSize]
-	if !ok {
-		return fmt.Errorf("furgit: unsupported hash size %d", pi.repo.hashSize)
-	}
-
-	computedHash := hashFn(buf[:idxChecksumStart])
-	if !bytes.Equal(computedHash.data[:pi.repo.hashSize], idxChecksumInFile) {
-		return fmt.Errorf("furgit: index checksum mismatch in %s", pi.idxRel)
-	}
-
 	return nil
 }
 
-- 
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