From 012d39c4e658f251f691c8a1dba462c937dbac67 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Sat, 27 Jul 2019 10:23:47 +0800
Subject: [PATCH] Added ignore files to sync_default_gems_with_commits and make
 constant them.

---
 tool/sync_default_gems.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index cb9492f26e..408614f8b8 100644
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -228,6 +228,8 @@ def sync_default_gems(gem)
   end
 end
 
+IGNORE_FILE_PATTERN = /(\.travis.yml|appveyor\.yml|azure\-pipelines\.yml|\.gitignore|Gemfile|README\.md|History\.txt|Rakefile|CODE_OF_CONDUCT\.md)/
+
 def sync_default_gems_with_commits(gem, range)
   puts "Sync #{$repositories[gem.to_sym]} with commit history."
 
@@ -250,7 +252,7 @@ def sync_default_gems_with_commits(gem, range)
     IO.popen(%W"git diff-tree --no-commit-id --name-only -r #{sha}") do |f|
       files = f.read.split("\n")
     end
-    subject =~ /^Merge/ || files.all?{|file| file =~ /(\.travis.yml|appveyor\.yml|azure\-pipelines\.yml|\.gitignore|Gemfile|README\.md)/}
+    subject =~ /^Merge/ || files.all?{|file| file =~ IGNORE_FILE_PATTERN}
   end
 
   puts "Try to pick these commits:"