From c99cb62da81646e54ffb391b5cb1d2a3bc45bc0c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 17 Jun 2025 23:06:41 +0900
Subject: [PATCH] Fix up tool/auto-style.rb

Do not clear the commit-wide flags per file.
---
 tool/auto-style.rb | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/tool/auto-style.rb b/tool/auto-style.rb
index 7e66f376ec..0c6ce6848a 100755
--- a/tool/auto-style.rb
+++ b/tool/auto-style.rb
@@ -233,11 +233,10 @@ edited_files = files.select do |f|
 
   if File.fnmatch?("*.[ch]", f, File::FNM_PATHNAME) &&
      !DIFFERENT_STYLE_FILES.any? {|pat| File.fnmatch?(pat, f, File::FNM_PATHNAME)}
-    orig = src.dup
-    src.gsub!(/^\w+\([^(\n)]*?\)\K[ \t]*(?=\{$)/, "\n")
-    src.gsub!(/^([ \t]*)\}\K[ \t]*(?=else\b)/, "\n" '\1')
-    src.gsub!(/^[ \t]*\}\n\K\n+(?=[ \t]*else\b)/, '')
-    indent = indent0 = src != orig
+    indent0 = true if src.gsub!(/^\w+\([^(\n)]*?\)\K[ \t]*(?=\{$)/, "\n")
+    indent0 = true if src.gsub!(/^([ \t]*)\}\K[ \t]*(?=else\b)/, "\n" '\1')
+    indent0 = true if src.gsub!(/^[ \t]*\}\n\K\n+(?=[ \t]*else\b)/, '')
+    indent ||= indent0
   end
 
   if trailing0 or eofnewline0 or expandtab0 or indent0