command_kit.gemspec in command_kit-0.4.1 vs command_kit.gemspec in command_kit-0.5.0

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 require 'yaml'
 
 Gem::Specification.new do |gem|
   gemspec = YAML.load_file('gemspec.yml')
 
@@ -18,16 +20,19 @@
   gem.authors     = Array(gemspec['authors'])
   gem.email       = gemspec['email']
   gem.homepage    = gemspec['homepage']
   gem.metadata    = gemspec['metadata'] if gemspec['metadata']
 
-  glob = lambda { |patterns| gem.files & Dir[*patterns] }
+  glob = ->(patterns) { gem.files & Dir[*patterns] }
 
   gem.files = if gemspec['files'] then glob[gemspec['files']]
               else                     `git ls-files`.split($/)
               end
 
+  # exclude test files from the packages gem
+  gem.files -= glob[gemspec['test_files'] || 'spec/{**/}*']
+
   gem.executables = gemspec.fetch('executables') do
     glob['bin/*'].map { |path| File.basename(path) }
   end
   gem.default_executable = gem.executables.first if Gem::VERSION < '1.7.'
 
@@ -41,10 +46,10 @@
   gem.requirements              = Array(gemspec['requirements'])
   gem.required_ruby_version     = gemspec['required_ruby_version']
   gem.required_rubygems_version = gemspec['required_rubygems_version']
   gem.post_install_message      = gemspec['post_install_message']
 
-  split = lambda { |string| string.split(/,\s*/) }
+  split = ->(string) { string.split(/,\s*/) }
 
   if gemspec['dependencies']
     gemspec['dependencies'].each do |name,versions|
       gem.add_dependency(name,split[versions])
     end