https://git.ruby-lang.org/ruby.git/commit/?id=8549774430

From 85497744305fcd7ff2b7768867f68c8fac03c8a0 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Sun, 14 Jul 2019 22:05:39 +0900
Subject: Tweak upstream information of upstream commit.


diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index 897fa79..93031ac 100644
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -253,7 +253,9 @@ def sync_default_gems_with_commits(gem, range) https://github.com/ruby/ruby/blob/trunk/tool/sync_default_gems.rb#L253
         break
       end
 
-      `git filter-branch -f --msg-filter 'echo "[#{$repositories[gem.to_sym]}]" && echo && cat' -- HEAD~1..HEAD`
+      prefix = "[#{($repositories[gem.to_sym])}]".gsub(/\//, '\/')
+      suffix = "https://github.com/#{($repositories[gem.to_sym])}/commit/#{sha[0,10]}"
+      `git filter-branch -f --msg-filter 'sed "1s/^/#{prefix} /" && echo && echo #{suffix}' -- HEAD~1..HEAD`
       unless $?.success?
         puts "Failed to modify commit message of #{sha}"
         break
-- 
cgit v0.10.2


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