Remove lib/tasks/check_all.rb and its corresponding RBS file from the package

spec/tools/collect_package_files_spec.rb

@@ -0,0 +1,136 @@
+# frozen_string_literal: true
+
+RSpec.describe CollectPackageFiles do
+  let(:expected_included_files) do
+    %w[
+      LICENSE
+      README.md
+      app/controllers/tanshuku/urls_controller.rb
+      app/models/tanshuku/url.rb
+      config/locales/en.yml
+      config/locales/ja.yml
+      config/routes.rb
+      db/migrate/20230220123456_create_tanshuku_urls.rb
+      lib/generators/tanshuku/install_generator.rb
+      lib/generators/templates/initializer.rb
+      lib/tanshuku.rb
+      lib/tanshuku/configuration.rb
+      lib/tanshuku/engine.rb
+      lib/tanshuku/version.rb
+      sig/app/controllers/tanshuku/urls_controller.rbs
+      sig/app/models/tanshuku/url.rbs
+      sig/db/migrate/create_tanshuku_urls.rbs
+      sig/lib/generators/tanshuku/install_generator.rbs
+      sig/lib/tanshuku.rbs
+      sig/lib/tanshuku/configuration.rbs
+      sig/lib/tanshuku/engine.rbs
+      sig/lib/tanshuku/version.rbs
+    ]
+  end
+  let(:expected_excluded_files) do
+    %w[
+      .gitattributes
+      .github/dependabot.yml
+      .github/release.yml
+      .github/workflows/bot-auto-merge.yml
+      .github/workflows/checks.yml
+      .github/workflows/create-release.yml
+      .github/workflows/dependabot-autolabeling.yml
+      .github/workflows/pages.yml
+      .github/workflows/update-rbs-collection.yml
+      .gitignore
+      .rspec
+      .rubocop.yml
+      Gemfile
+      Gemfile.ci
+      Gemfile.lock
+      Rakefile
+      Steepfile
+      bin/rails
+      lib/tasks/check_all.rb
+      rbs_collection.lock.yaml
+      rbs_collection.yaml
+      sig/lib/tasks/check_all.rbs
+      sig/patch/actionpack.rbs
+      sig/patch/activerecord.rbs
+      sig/patch/english.rbs
+      sig/patch/paint.rbs
+      sig/patch/pty.rbs
+      sig/patch/rack.rbs
+      sig/patch/rails.rbs
+      sig/patch/thor.rbs
+      spec/config/locales/en_spec.rb
+      spec/config/locales/ja_spec.rb
+      spec/dummy/Rakefile
+      spec/dummy/app/assets/config/manifest.js
+      spec/dummy/app/assets/images/.keep
+      spec/dummy/app/assets/stylesheets/application.css
+      spec/dummy/app/channels/application_cable/channel.rb
+      spec/dummy/app/channels/application_cable/connection.rb
+      spec/dummy/app/controllers/application_controller.rb
+      spec/dummy/app/controllers/concerns/.keep
+      spec/dummy/app/helpers/application_helper.rb
+      spec/dummy/app/jobs/application_job.rb
+      spec/dummy/app/mailers/application_mailer.rb
+      spec/dummy/app/models/application_record.rb
+      spec/dummy/app/models/concerns/.keep
+      spec/dummy/app/views/layouts/application.html.erb
+      spec/dummy/app/views/layouts/mailer.html.erb
+      spec/dummy/app/views/layouts/mailer.text.erb
+      spec/dummy/app/views/pwa/manifest.json.erb
+      spec/dummy/app/views/pwa/service-worker.js
+      spec/dummy/bin/dev
+      spec/dummy/bin/rails
+      spec/dummy/bin/rake
+      spec/dummy/bin/setup
+      spec/dummy/config.ru
+      spec/dummy/config/application.rb
+      spec/dummy/config/boot.rb
+      spec/dummy/config/cable.yml
+      spec/dummy/config/database.yml
+      spec/dummy/config/environment.rb
+      spec/dummy/config/environments/development.rb
+      spec/dummy/config/environments/production.rb
+      spec/dummy/config/environments/test.rb
+      spec/dummy/config/initializers/assets.rb
+      spec/dummy/config/initializers/content_security_policy.rb
+      spec/dummy/config/initializers/filter_parameter_logging.rb
+      spec/dummy/config/initializers/inflections.rb
+      spec/dummy/config/initializers/tanshuku.rb
+      spec/dummy/config/locales/en.yml
+      spec/dummy/config/puma.rb
+      spec/dummy/config/routes.rb
+      spec/dummy/config/storage.yml
+      spec/dummy/lib/assets/.keep
+      spec/dummy/log/.keep
+      spec/dummy/public/400.html
+      spec/dummy/public/404.html
+      spec/dummy/public/406-unsupported-browser.html
+      spec/dummy/public/422.html
+      spec/dummy/public/500.html
+      spec/dummy/public/apple-touch-icon-precomposed.png
+      spec/dummy/public/apple-touch-icon.png
+      spec/dummy/public/favicon.ico
+      spec/dummy/public/icon.svg
+      spec/generator/tanshuku/install_generator_spec.rb
+      spec/lib/tanshuku/configuration_spec.rb
+      spec/lib/tanshuku_spec.rb
+      spec/models/tanshuku/url_spec.rb
+      spec/requests/tanshuku/urls_controller_spec.rb
+      spec/spec_helper.rb
+      spec/support/spec_utilities.rb
+      spec/tools/collect_package_files_spec.rb
+      tanshuku.gemspec
+      tmp/.keep
+      tools/collect_package_files.rb
+      tools/reverse_dependencies.rb
+    ]
+  end
+  let(:all_candidate_files) { `git ls-files -z`.split("\x0") }
+
+  example "collects sufficient and necessary files" do
+    expect(CollectPackageFiles.call).to match_array(expected_included_files)
+    expect(CollectPackageFiles.call & expected_excluded_files).to be_empty
+    expect(expected_included_files + expected_excluded_files).to match_array(all_candidate_files)
+  end
+end

tanshuku.gemspec

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require_relative "lib/tanshuku/version"
+require_relative "tools/collect_package_files"
 
 Gem::Specification.new do |spec|
   spec.name = "tanshuku"
@@ -24,15 +25,7 @@ Gem::Specification.new do |spec|
   spec.metadata["documentation_uri"] = "https://kg8m.github.io/tanshuku/"
   spec.metadata["rubygems_mfa_required"] = "true"
 
-  # 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(__dir__) do
-      `git ls-files -z`.split("\x0").reject do |f|
-        (File.expand_path(f) == __FILE__) ||
-          f.match?(%r{\A(?:\.|Gemfile|Rakefile\z|Steepfile\z|rbs_collection|(?:bin|sig/patch|spec|tmp|tools)/)})
-      end
-    end
+  spec.files = CollectPackageFiles.call
   spec.require_paths = ["lib"]
 
   spec.add_dependency "addressable", ">= 2.4"

tools/collect_package_files.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module CollectPackageFiles
+  EXCLUDE_PATHS = %w[Rakefile Steepfile tanshuku.gemspec].freeze
+  EXCLUDE_PATTERN = %r{\A(?:\.|Gemfile|rbs_collection|(?:bin|lib/tasks|sig/(?:lib/tasks|patch)|spec|tmp|tools)/)}
+
+  def self.call
+    `git ls-files -z`.split("\x0").reject do |f|
+      EXCLUDE_PATHS.include?(f) || f.match?(EXCLUDE_PATTERN)
+    end
+  end
+end