From 75c7147c6afcb64a7c8bfedb08f1613c5011ff71 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 6 Mar 2026 11:26:21 +0800
Subject: objectstore/packed: Split files

---
 objectstore/packed/trailer_match.go | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 objectstore/packed/trailer_match.go

(limited to 'objectstore/packed/trailer_match.go')

diff --git a/objectstore/packed/trailer_match.go b/objectstore/packed/trailer_match.go
new file mode 100644
index 00000000..25337cd7
--- /dev/null
+++ b/objectstore/packed/trailer_match.go
@@ -0,0 +1,29 @@
+package packed
+
+import "fmt"
+
+// verifyPackMatchesIndexes checks that one opened pack's trailer hash matches
+// every loaded index that references the same pack name.
+func (store *Store) verifyPackMatchesIndexes(pack *packFile) error {
+	err := store.ensureCandidates()
+	if err != nil {
+		return err
+	}
+
+	candidate, ok := store.candidateForPack(pack.name)
+	if !ok {
+		return fmt.Errorf("objectstore/packed: missing index for pack %q", pack.name)
+	}
+
+	index, err := store.openIndex(candidate)
+	if err != nil {
+		return err
+	}
+
+	err = verifyMappedPackMatchesMappedIdx(pack.data, index.data, store.algo)
+	if err != nil {
+		return fmt.Errorf("objectstore/packed: pack %q does not match idx %q: %w", pack.name, index.idxName, err)
+	}
+
+	return nil
+}
-- 
cgit v1.3.1-10-gc9f91