https://git.ruby-lang.org/ruby.git/commit/?id=8f9623741a

From 8f9623741a2cfe8d26af44c3a4f13dffc88fe834 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 4 Jan 2022 00:56:54 +0900
Subject: [rubygems/rubygems] Append a newline to the checksum file

https://github.com/rubygems/rubygems/commit/48ea2778e9
---
 lib/bundler/gem_helper.rb               | 2 +-
 spec/bundler/bundler/gem_helper_spec.rb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/bundler/gem_helper.rb b/lib/bundler/gem_helper.rb
index 4b09d200730..0bbd2d9b75b 100644
--- a/lib/bundler/gem_helper.rb
+++ b/lib/bundler/gem_helper.rb
@@ -109,7 +109,7 @@ module Bundler https://github.com/ruby/ruby/blob/trunk/lib/bundler/gem_helper.rb#L109
       require "digest/sha2"
       checksum = ::Digest::SHA512.file(built_gem_path).hexdigest
       target = File.join(base, "checksums", file_name)
-      File.write(target, checksum)
+      File.write(target, checksum + "\n")
       Bundler.ui.confirm "#{name} #{version} checksum written to checksums/#{file_name}."
     end
 
diff --git a/spec/bundler/bundler/gem_helper_spec.rb b/spec/bundler/bundler/gem_helper_spec.rb
index f1bb9861cff..59feb5b8e96 100644
--- a/spec/bundler/bundler/gem_helper_spec.rb
+++ b/spec/bundler/bundler/gem_helper_spec.rb
@@ -172,7 +172,7 @@ RSpec.describe Bundler::GemHelper do https://github.com/ruby/ruby/blob/trunk/spec/bundler/bundler/gem_helper_spec.rb#L172
       it "calculates SHA512 of the content" do
         subject.build_checksum(Pathname(IO::NULL))
         sha_path = app_path.join("checksums", "#{File.basename(IO::NULL)}.sha512")
-        expect(File.read(sha_path)).to eql(Digest::SHA512.hexdigest(""))
+        expect(File.read(sha_path).chomp).to eql(Digest::SHA512.hexdigest(""))
       end
 
       context "when build was successful" do
-- 
cgit v1.2.1


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