# frozen_string_literal: true
require "pathname"
module Bundler
class CLI
Bundler.require_thor_actions
include Thor::Actions
end
class CLI::Gem
TEST_FRAMEWORK_VERSIONS = {
"rspec" => "3.0",
"minitest" => "5.0",
"test-unit" => "3.0",
}.freeze
attr_reader :options, :gem_name, :thor, :name, :target
def initialize(options, gem_name, thor)
@options = options
@gem_name = resolve_name(gem_name)
@thor = thor
thor.behavior = :invoke
thor.destination_root = nil
@name = @gem_name
@target = SharedHelpers.pwd.join(gem_name)
validate_ext_name if options[:ext]
end
def run
Bundler.ui.confirm "Creating gem '#{name}'..."
underscored_name = name.tr("-", "_")
namespaced_path = name.tr("-", "/")
constant_name = name.gsub(/-[_-]*(?![_-]|$)/) { "::" }.gsub(/([_-]+|(::)|^)(.|$)/) { $2.to_s + $3.upcase }
constant_array = constant_name.split("::")
minitest_constant_name = constant_array.clone.tap {|a| a[-1] = "Test#{a[-1]}" }.join("::") # Foo::Bar => Foo::TestBar
use_git = Bundler.git_present? && options[:git]
git_author_name = use_git ? `git config user.name`.chomp : ""
git_username = use_git ? `git config github.user`.chomp : ""
git_user_email = use_git ? `git config user.email`.chomp : ""
github_username = if options[:github_username].nil?
git_username
elsif options[:github_username] == false
""
else
options[:github_username]
end
config = {
:name => name,
:underscored_name => underscored_name,
:namespaced_path => namespaced_path,
:makefile_path => "#{underscored_name}/#{underscored_name}",
:constant_name => constant_name,
:constant_array => constant_array,
:author => git_author_name.empty? ? "TODO: Write your name" : git_author_name,
:email => git_user_email.empty? ? "TODO: Write your email address" : git_user_email,
:test => options[:test],
:ext => options[:ext],
:exe => options[:exe],
:bundler_version => bundler_dependency_version,
:git => use_git,
:github_username => github_username.empty? ? "[USERNAME]" : github_username,
:required_ruby_version => required_ruby_version,
:minitest_constant_name => minitest_constant_name,
}
ensure_safe_gem_name(name, constant_array)
templates = {
"#{Bundler.preferred_gemfile_name}.tt" => Bundler.preferred_gemfile_name,
"lib/newgem.rb.tt" => "lib/#{namespaced_path}.rb",
"lib/newgem/version.rb.tt" => "lib/#{namespaced_path}/version.rb",
"sig/newgem.rbs.tt" => "sig/#{namespaced_path}.rbs",
"newgem.gemspec.tt" => "#{name}.gemspec",
"Rakefile.tt" => "Rakefile",
"README.md.tt" => "README.md",
"bin/console.tt" => "bin/console",
"bin/setup.tt" => "bin/setup",
}
executables = %w[
bin/console
bin/setup
]
templates.merge!("gitignore.tt" => ".gitignore") if use_git
if test_framework = ask_and_set_test_framework
config[:test] = test_framework
config[:test_framework_version] = TEST_FRAMEWORK_VERSIONS[test_framework]
case test_framework
when "rspec"
templates.merge!(
"rspec.tt" => ".rspec",
"spec/spec_helper.rb.tt" => "spec/spec_helper.rb",
"spec/newgem_spec.rb.tt" => "spec/#{namespaced_path}_spec.rb"
)
config[:test_task] = :spec
when "minitest"
# Generate path for minitest target file (FileList["test/**/test_*.rb"])
# foo => test/test_foo.rb
# foo-bar => test/foo/test_bar.rb
# foo_bar => test/test_foo_bar.rb
paths = namespaced_path.rpartition("/")
paths[2] = "test_#{paths[2]}"
minitest_namespaced_path = paths.join("")
templates.merge!(
"test/minitest/test_helper.rb.tt" => "test/test_helper.rb",
"test/minitest/test_newgem.rb.tt" => "test/#{minitest_namespaced_path}.rb"
)
config[:test_task] = :test
when "test-unit"
templates.merge!(
"test/test-unit/test_helper.rb.tt" => "test/test_helper.rb",
"test/test-unit/newgem_test.rb.tt" => "test/#{namespaced_path}_test.rb"
)
config[:test_task] = :test
end
end
config[:ci] = ask_and_set_ci
case config[:ci]
when "github"
templates.merge!("github/workflows/main.yml.tt" => ".github/workflows/main.yml")
when "travis"
templates.merge!("travis.yml.tt" => ".travis.yml")
when "gitlab"
templates.merge!("gitlab-ci.yml.tt" => ".gitlab-ci.yml")
when "circle"
templates.merge!("circleci/config.yml.tt" => ".circleci/config.yml")
end
if ask_and_set(:mit, "Do you want to license your code permissively under the MIT license?",
"This means that any other developer or company will be legally allowed to use your code " \
"for free as long as they admit you created it. You can read more about the MIT license " \
"at https://choosealicense.com/licenses/mit.")
config[:mit] = true
Bundler.ui.info "MIT License enabled in config"
templates.merge!("LICENSE.txt.tt" => "LICENSE.txt")
end
if ask_and_set(:coc, "Do you want to include a code of conduct in gems you generate?",
"Codes of conduct can increase contributions to your project by contributors who " \
"prefer collaborative, safe spaces. You can read more about the code of conduct at " \
"contributor-covenant.org. Having a code of conduct means agreeing to the responsibility " \
"of enforcing it, so be sure that you are prepared to do that. Be sure that your email " \
"address is specified as a contact in the generated code of conduct so that people know " \
"who to contact in case of a violation. For suggestions about " \
"how to enforce codes of conduct, see https://bit.ly/coc-enforcement.")
config[:coc] = true
Bundler.ui.info "Code of conduct enabled in config"
templates.merge!("CODE_OF_CONDUCT.md.tt" => "CODE_OF_CONDUCT.md")
end
if ask_and_set(:changelog, "Do you want to include a changelog?",
"A changelog is a file which contains a curated, chronologically ordered list of notable " \
"changes for each version of a project. To make it easier for users and contributors to" \
" see precisely what notable changes have been made between each release (or version) of" \
" the project. Whether consumers or developers, the end users of software are" \
" human beings who care about what's in the software. When the software changes, people " \
"want to know why and how. see https://keepachangelog.com")
config[:changelog] = true
Bundler.ui.info "Changelog enabled in config"
templates.merge!("CHANGELOG.md.tt" => "CHANGELOG.md")
end
config[:linter] = ask_and_set_linter
case config[:linter]
when "rubocop"
config[:linter_version] = rubocop_version
Bundler.ui.info "RuboCop enabled in config"
templates.merge!("rubocop.yml.tt" => ".rubocop.yml")
when "standard"
config[:linter_version] = standard_version
Bundler.ui.info "Standard enabled in config"
templates.merge!("standard.yml.tt" => ".standard.yml")
end
templates.merge!("exe/newgem.tt" => "exe/#{name}") if config[:exe]
if options[:ext]
templates.merge!(
"ext/newgem/extconf.rb.tt" => "ext/#{name}/extconf.rb",
"ext/newgem/newgem.h.tt" => "ext/#{name}/#{underscored_name}.h",
"ext/newgem/newgem.c.tt" => "ext/#{name}/#{underscored_name}.c"
)
end
if target.exist? && !target.directory?
Bundler.ui.error "Couldn't create a new gem named `#{gem_name}` because there's an existing file named `#{gem_name}`."
exit Bundler::BundlerError.all_errors[Bundler::GenericSystemCallError]
end
if use_git
Bundler.ui.info "Initializing git repo in #{target}"
require "shellwords"
`git init #{target.to_s.shellescape}`
config[:git_default_branch] = File.read("#{target}/.git/HEAD").split("/").last.chomp
end
templates.each do |src, dst|
destination = target.join(dst)
thor.template("newgem/#{src}", destination, config)
end
executables.each do |file|
path = target.join(file)
executable = (path.stat.mode | 0o111)
path.chmod(executable)
end
if use_git
Dir.chdir(target) do
`git add .`
end
end
# Open gemspec in editor
open_editor(options["edit"], target.join("#{name}.gemspec")) if options[:edit]
Bundler.ui.info "Gem '#{name}' was successfully created. " \
"For more information on making a RubyGem visit https://bundler.io/guides/creating_gem.html"
end
private
def resolve_name(name)
SharedHelpers.pwd.join(name).basename.to_s
end
def ask_and_set(key, header, message)
choice = options[key]
choice = Bundler.settings["gem.#{key}"] if choice.nil?
if choice.nil?
Bundler.ui.confirm header
choice = Bundler.ui.yes? "#{message} y/(n):"
Bundler.settings.set_global("gem.#{key}", choice)
end
choice
end
def validate_ext_name
return unless gem_name.index("-")
Bundler.ui.error "You have specified a gem name which does not conform to the \n" \
"naming guidelines for C extensions. For more information, \n" \
"see the 'Extension Naming' section at the following URL:\n" \
"https://guides.rubygems.org/gems-with-extensions/\n"
exit 1
end
def ask_and_set_test_framework
test_framework = options[:test] || Bundler.settings["gem.test"]
if test_framework.to_s.empty?
Bundler.ui.confirm "Do you want to generate tests with your gem?"
Bundler.ui.info hint_text("test")
result = Bundler.ui.ask "Enter a test framework. rspec/minitest/test-unit/(none):"
if result =~ /rspec|minitest|test-unit/
test_framework = result
else
test_framework = false
end
end
if Bundler.settings["gem.test"].nil?
Bundler.settings.set_global("gem.test", test_framework)
end
if options[:test] == Bundler.settings["gem.test"]
Bundler.ui.info "#{options[:test]} is already configured, ignoring --test flag."
end
test_framework
end
def hint_text(setting)
if Bundler.settings["gem.#{setting}"] == false
"Your choice will only be applied to this gem."
else
"Future `bundle gem` calls will use your choice. " \
"This setting can be changed anytime with `bundle config gem.#{setting}`."
end
end
def ask_and_set_ci
ci_template = options[:ci] || Bundler.settings["gem.ci"]
if ci_template.to_s.empty?
Bundler.ui.confirm "Do you want to set up continuous integration for your gem? " \
"Supported services:\n" \
"* CircleCI: https://circleci.com/\n" \
"* GitHub Actions: https://github.com/features/actions\n" \
"* GitLab CI: https://docs.gitlab.com/ee/ci/\n" \
"* Travis CI: https://travis-ci.org/\n" \
"\n"
Bundler.ui.info hint_text("ci")
result = Bundler.ui.ask "Enter a CI service. github/travis/gitlab/circle/(none):"
if result =~ /github|travis|gitlab|circle/
ci_template = result
else
ci_template = false
end
end
if Bundler.settings["gem.ci"].nil?
Bundler.settings.set_global("gem.ci", ci_template)
end
if options[:ci] == Bundler.settings["gem.ci"]
Bundler.ui.info "#{options[:ci]} is already configured, ignoring --ci flag."
end
ci_template
end
def ask_and_set_linter
linter_template = options[:linter] || Bundler.settings["gem.linter"]
linter_template = deprecated_rubocop_option if linter_template.nil?
if linter_template.to_s.empty?
Bundler.ui.confirm "Do you want to add a code linter and formatter to your gem? " \
"Supported Linters:\n" \
"* RuboCop: https://rubocop.org\n" \
"* Standard: https://github.com/testdouble/standard\n" \
"\n"
Bundler.ui.info hint_text("linter")
result = Bundler.ui.ask "Enter a linter. rubocop/standard/(none):"
if result =~ /rubocop|standard/
linter_template = result
else
linter_template = false
end
end
if Bundler.settings["gem.linter"].nil?
Bundler.settings.set_global("gem.linter", linter_template)
end
# Once gem.linter safely set, unset the deprecated gem.rubocop
unless Bundler.settings["gem.rubocop"].nil?
Bundler.settings.set_global("gem.rubocop", nil)
end
if options[:linter] == Bundler.settings["gem.linter"]
Bundler.ui.info "#{options[:linter]} is already configured, ignoring --linter flag."
end
linter_template
end
def deprecated_rubocop_option
if !options[:rubocop].nil?
if options[:rubocop]
Bundler::SharedHelpers.major_deprecation 2, "--rubocop is deprecated, use --linter=rubocop"
"rubocop"
else
Bundler::SharedHelpers.major_deprecation 2, "--no-rubocop is deprecated, use --linter"
false
end
elsif !Bundler.settings["gem.rubocop"].nil?
Bundler::SharedHelpers.major_deprecation 2,
"config gem.rubocop is deprecated; we've updated your config to use gem.linter instead"
Bundler.settings["gem.rubocop"] ? "rubocop" : false
end
end
def bundler_dependency_version
v = Gem::Version.new(Bundler::VERSION)
req = v.segments[0..1]
req << "a" if v.prerelease?
req.join(".")
end
def ensure_safe_gem_name(name, constant_array)
if name =~ /^\d/
Bundler.ui.error "Invalid gem name #{name} Please give a name which does not start with numbers."
exit 1
end
constant_name = constant_array.join("::")
existing_constant = constant_array.inject(Object) do |c, s|
defined = begin
c.const_defined?(s)
rescue NameError
Bundler.ui.error "Invalid gem name #{name} -- `#{constant_name}` is an invalid constant name"
exit 1
end
(defined && c.const_get(s)) || break
end
return unless existing_constant
Bundler.ui.error "Invalid gem name #{name} constant #{constant_name} is already in use. Please choose another gem name."
exit 1
end
def open_editor(editor, file)
thor.run(%(#{editor} "#{file}"))
end
def required_ruby_version
if Gem.ruby_version < Gem::Version.new("2.4.a") then "2.3.0"
elsif Gem.ruby_version < Gem::Version.new("2.5.a") then "2.4.0"
elsif Gem.ruby_version < Gem::Version.new("2.6.a") then "2.5.0"
else
"2.6.0"
end
end
def rubocop_version
if Gem.ruby_version < Gem::Version.new("2.4.a") then "0.81.0"
elsif Gem.ruby_version < Gem::Version.new("2.5.a") then "1.12"
else
"1.21"
end
end
def standard_version
if Gem.ruby_version < Gem::Version.new("2.4.a") then "0.2.5"
elsif Gem.ruby_version < Gem::Version.new("2.5.a") then "1.0"
else
"1.3"
end
end
end
end