From 74eedada0bf0351d484caaf7d82d90cfdce0b537 Mon Sep 17 00:00:00 2001
From: komaruworld <rtysus228@gmail.com>
Date: Fri, 9 Oct 2026 00:45:05 +0300
Subject: [PATCH] improve evilbsd support

Netbsd hi
---
 src/update/payload_store.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/update/payload_store.cc b/src/update/payload_store.cc
index fd389c4..1f36edc 100644
--- a/src/update/payload_store.cc
+++ b/src/update/payload_store.cc
@@ -297,7 +297,10 @@ bool CloneOrCopyFile(const std::filesystem::path& source,
   }
   bool copied = false;
 #if defined(__linux__) && defined(FICLONE)
-  copied = ioctl(output, FICLONE, input) == 0;
+  struct stat cloned_metadata = {};
+  copied = ioctl(output, FICLONE, input) == 0 &&
+           fstat(output, &cloned_metadata) == 0 &&
+           cloned_metadata.st_size == metadata.st_size;
 #endif
 #if defined(__linux__)
   if (!copied) {