From 45330a1806e9acfa84e9e8c0fbac6120118cf09e Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Mon, 17 Aug 2026 03:03:53 +0800
Subject: [CMake] Accept empty clang-tidy diffs

---
 backend/cmake/modules/RCCBackendClangTidy.cmake | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'backend')

diff --git a/backend/cmake/modules/RCCBackendClangTidy.cmake b/backend/cmake/modules/RCCBackendClangTidy.cmake
index 16afeb4..eebb2d1 100644
--- a/backend/cmake/modules/RCCBackendClangTidy.cmake
+++ b/backend/cmake/modules/RCCBackendClangTidy.cmake
@@ -75,6 +75,9 @@ execute_process(
 set(TidyDiagnostics "${TidyOutput}\n${TidyError}")
 string(REGEX REPLACE "[0-9]+ warnings generated\\." "" TidyDiagnostics "${TidyDiagnostics}")
 string(STRIP "${TidyDiagnostics}" TidyDiagnostics)
+if(TidyResult EQUAL 0 AND TidyDiagnostics STREQUAL "No relevant changes found.")
+  set(TidyDiagnostics "")
+endif()
 if(NOT TidyDiagnostics STREQUAL "")
   message("${TidyDiagnostics}")
 endif()
-- 
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