From 5c39685badae210e526cfbf572d0364c0e100a5b Mon Sep 17 00:00:00 2001
From: David Seguin <davidseguin@live.ca>
Date: Sat, 2 Apr 2022 01:59:39 -0400
Subject: [PATCH] JSON formatter: show filename on empty input (#56524)

* JSON formatter: show filename on empty input

* [SQUASH ME] empty JSON file

* [SQUASH ME] remove empty JSON file
---
 tools/format/format_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/format/format_main.cpp b/tools/format/format_main.cpp
index 3750ee16b6bf6..e05ff55f4d57a 100644
--- a/tools/format/format_main.cpp
+++ b/tools/format/format_main.cpp
@@ -61,7 +61,7 @@ int main( int argc, char *argv[] )
     }
 
     if( in.str().empty() ) {
-        std::cout << "Error, input empty." << std::endl;
+        std::cout << "Error, " << ( filename.empty() ? "input" : filename ) << " is empty." << std::endl;
         exit( EXIT_FAILURE );
     }
     JsonOut jsout( out, true );