From: Matt Joiner <anacrolix@gmail.com>
Date: Thu, 29 May 2025 08:42:57 +0000 (+1000)
Subject: Panic if renaming from and to same file
X-Git-Tag: v1.59.0~94
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=d6a317aac01645e7dc8d11fe690526effe4c6d12;p=btrtrc.git

Panic if renaming from and to same file
---

diff --git a/storage/file-piece.go b/storage/file-piece.go
index fe8cd6ba..d52e7035 100644
--- a/storage/file-piece.go
+++ b/storage/file-piece.go
@@ -209,6 +209,7 @@ func (me *filePieceImpl) exclRenameIfExists(from, to string) error {
 			return err
 		}
 	}
+	panicif.Eq(from, to)
 	// We don't want anyone reading or writing to this until the rename completes.
 	f, err := os.OpenFile(to, os.O_CREATE|os.O_EXCL, 0)
 	if errors.Is(err, fs.ErrExist) {