https://git.ruby-lang.org/ruby.git/commit/?id=3b0d2a3d6d

From 3b0d2a3d6ddd4f3d361e15af96881275e8923a5e Mon Sep 17 00:00:00 2001
From: Utkarsh Gupta <utkarsh@d...>
Date: Fri, 19 Jun 2020 16:14:18 +0530
Subject: [rubygems/rubygems] Fix RuboCop offenses

These offenses appear when you create a gem with
`bundle gem foo` and run `rubocop` over it.

Initially, there were around 45 offenses detected,
but with #3731 and this, the number of offenses
have been reduced to 2.

Signed-off-by: Utkarsh Gupta <utkarsh@d...>

https://github.com/rubygems/rubygems/commit/fe9dcaa1b4

diff --git a/lib/bundler/templates/newgem/Gemfile.tt b/lib/bundler/templates/newgem/Gemfile.tt
index b689e2e..c6af5e8 100644
--- a/lib/bundler/templates/newgem/Gemfile.tt
+++ b/lib/bundler/templates/newgem/Gemfile.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/Gemfile.tt#L1
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 # Specify your gem's dependencies in <%= config[:name] %>.gemspec
diff --git a/lib/bundler/templates/newgem/Rakefile.tt b/lib/bundler/templates/newgem/Rakefile.tt
index af7729c..46bb01c 100644
--- a/lib/bundler/templates/newgem/Rakefile.tt
+++ b/lib/bundler/templates/newgem/Rakefile.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/Rakefile.tt#L1
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 <% default_task_names = [config[:test_task]].compact -%>
 <% case config[:test] -%>
@@ -27,7 +29,7 @@ RuboCop::RakeTask.new https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/Rakefile.tt#L29
 <% default_task_names.unshift(:clobber, :compile) -%>
 require "rake/extensiontask"
 
-task :build => :compile
+task build: :compile
 
 Rake::ExtensionTask.new("<%= config[:underscored_name] %>") do |ext|
   ext.lib_dir = "lib/<%= config[:namespaced_path] %>"
diff --git a/lib/bundler/templates/newgem/bin/console.tt b/lib/bundler/templates/newgem/bin/console.tt
index a27f824..6378a5a 100644
--- a/lib/bundler/templates/newgem/bin/console.tt
+++ b/lib/bundler/templates/newgem/bin/console.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/bin/console.tt#L1
+# frozen_string_literal: true
+
 #!/usr/bin/env ruby
 
 require "bundler/setup"
diff --git a/lib/bundler/templates/newgem/lib/newgem.rb.tt b/lib/bundler/templates/newgem/lib/newgem.rb.tt
index fae6337..a182b96 100644
--- a/lib/bundler/templates/newgem/lib/newgem.rb.tt
+++ b/lib/bundler/templates/newgem/lib/newgem.rb.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/lib/newgem.rb.tt#L1
+# frozen_string_literal: true
+
 require "<%= config[:namespaced_path] %>/version"
 <%- if config[:ext] -%>
 require "<%= config[:namespaced_path] %>/<%= config[:underscored_name] %>"
diff --git a/lib/bundler/templates/newgem/lib/newgem/version.rb.tt b/lib/bundler/templates/newgem/lib/newgem/version.rb.tt
index 389daf5..b5cd4cb 100644
--- a/lib/bundler/templates/newgem/lib/newgem/version.rb.tt
+++ b/lib/bundler/templates/newgem/lib/newgem/version.rb.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/lib/newgem/version.rb.tt#L1
+# frozen_string_literal: true
+
 <%- config[:constant_array].each_with_index do |c, i| -%>
 <%= "  " * i %>module <%= c %>
 <%- end -%>
diff --git a/lib/bundler/templates/newgem/newgem.gemspec.tt b/lib/bundler/templates/newgem/newgem.gemspec.tt
index 7961ccf..948de2d 100644
--- a/lib/bundler/templates/newgem/newgem.gemspec.tt
+++ b/lib/bundler/templates/newgem/newgem.gemspec.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/newgem.gemspec.tt#L1
+# frozen_string_literal: true
+
 require_relative "lib/<%=config[:namespaced_path]%>/version"
 
 Gem::Specification.new do |spec|
@@ -6,8 +8,8 @@ Gem::Specification.new do |spec| https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/newgem.gemspec.tt#L8
   spec.authors       = [<%= config[:author].inspect %>]
   spec.email         = [<%= config[:email].inspect %>]
 
-  spec.summary       = %q{TODO: Write a short summary, because RubyGems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
+  spec.summary       = "TODO: Write a short summary, because RubyGems requires one."
+  spec.description   = "TODO: Write a longer description or delete this line."
   spec.homepage      = "TODO: Put your gem's website or public repo URL here."
 <%- if config[:mit] -%>
   spec.license       = "MIT"
@@ -22,9 +24,7 @@ Gem::Specification.new do |spec| https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/newgem.gemspec.tt#L24
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
-  spec.files         = Dir.chdir(File.expand_path("..", __FILE__)) do
-    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  end
+  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
diff --git a/lib/bundler/templates/newgem/spec/newgem_spec.rb.tt b/lib/bundler/templates/newgem/spec/newgem_spec.rb.tt
index c63b487..82cada9 100644
--- a/lib/bundler/templates/newgem/spec/newgem_spec.rb.tt
+++ b/lib/bundler/templates/newgem/spec/newgem_spec.rb.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/spec/newgem_spec.rb.tt#L1
+# frozen_string_literal: true
+
 RSpec.describe <%= config[:constant_name] %> do
   it "has a version number" do
     expect(<%= config[:constant_name] %>::VERSION).not_to be nil
diff --git a/lib/bundler/templates/newgem/spec/spec_helper.rb.tt b/lib/bundler/templates/newgem/spec/spec_helper.rb.tt
index 805cf57..0bb8e6f 100644
--- a/lib/bundler/templates/newgem/spec/spec_helper.rb.tt
+++ b/lib/bundler/templates/newgem/spec/spec_helper.rb.tt
@@ -1,3 +1,5 @@ https://github.com/ruby/ruby/blob/trunk/lib/bundler/templates/newgem/spec/spec_helper.rb.tt#L1
+# frozen_string_literal: true
+
 require "bundler/setup"
 require "<%= config[:namespaced_path] %>"
 
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