gemspec.erb in ggem-1.10.0

- old
+ new

@@ -1,8 +1,8 @@
+# -*- encoding: utf-8 -*-
 # frozen_string_literal: true
 
-# -*- encoding: utf-8 -*-
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "<%= @ggem.ruby_name %>/version"
 
 Gem::Specification.new do |gem|
@@ -13,16 +13,18 @@
   gem.summary     = "TODO: Write a gem summary"
   gem.description = "TODO: Write a gem description"
   gem.homepage    = "TODO: homepage"
   gem.license     = "MIT"
 
-  gem.files         = `git ls-files | grep "^[^.]"`.split($/)
+  gem.files = `git ls-files | grep "^[^.]"`.split($INPUT_RECORD_SEPARATOR)
+
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
   gem.required_ruby_version = "~> 2.5"
 
-  gem.add_development_dependency("assert", ["~> 2.19.2"])
+  gem.add_development_dependency("assert",           ["~> 2.19.2"])
+  gem.add_development_dependency("much-style-guide", ["~> 0.3.0"])
 
   # TODO: gem.add_dependency("gem-name", ["~> 0.0.0"])
 end