From 95f8f3d45fe077042df4fd4afa73d4e419bc9974 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 6 Mar 2026 10:59:53 +0800
Subject: reachability: Split walk files

---
 reachability/walk_verify.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 reachability/walk_verify.go

(limited to 'reachability/walk_verify.go')

diff --git a/reachability/walk_verify.go b/reachability/walk_verify.go
new file mode 100644
index 00000000..46798f5a
--- /dev/null
+++ b/reachability/walk_verify.go
@@ -0,0 +1,27 @@
+package reachability
+
+import (
+	"codeberg.org/lindenii/furgit/object"
+	"codeberg.org/lindenii/furgit/objectid"
+	"codeberg.org/lindenii/furgit/objecttype"
+)
+
+func (walk *Walk) validateCommitObject(id objectid.ObjectID) error {
+	ty, err := walk.readHeaderType(id)
+	if err != nil {
+		return err
+	}
+
+	if ty != objecttype.TypeCommit {
+		return &ErrObjectType{OID: id, Got: ty, Want: objecttype.TypeCommit}
+	}
+
+	content, err := walk.readBytesContent(id)
+	if err != nil {
+		return err
+	}
+
+	_, err = object.ParseCommit(content, id.Algorithm())
+
+	return err
+}
-- 
cgit v1.3.1-10-gc9f91