https://git.ruby-lang.org/ruby.git/commit/?id=071bf88970

From 071bf889706d13879c323d61fd2e757ff32c8bda Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Fri, 26 Jul 2019 16:06:54 +0800
Subject: Improve the commits list for cherry-picking from default gems.

  * Ignore Merge commit from the commit lists before trying to
    pick commit.
  * Show the commits list at first.

diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index aa98f60..599d6b3 100644
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -240,12 +240,15 @@ def sync_default_gems_with_commits(gem, range) https://github.com/ruby/ruby/blob/trunk/tool/sync_default_gems.rb#L240
 
   IO.popen(%W"git log --format=%H,%s #{range}") do |f|
     commits = f.read.split("\n").reverse.map{|commit| commit.split(',')}
+
+    # Ignore Merge commit for ruby core repository.
+    commits.delete_if{|_, subject| subject =~ /^Merge/}
+
+    puts "Try to pick these commits:"
+    puts commits.map{|commit| commit.join(": ")}.join("\n")
+
     commits.each do |sha, subject|
       puts "Pick #{sha} from #{$repositories[gem.to_sym]}."
-      if subject =~ /^Merge/
-        puts "Skip #{sha}. Because It was merge commit"
-        next
-      end
 
       `git cherry-pick #{sha}`
       unless $?.success?
-- 
cgit v0.10.2


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