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# 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"
}.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("::")
git_installed = Bundler.git_present?
git_author_name = git_installed ? `git config user.name`.chomp : ""
github_username = git_installed ? `git config github.user`.chomp : ""
git_user_email = git_installed ? `git config user.email`.chomp : ""
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,
:github_username => github_username.empty? ? "[USERNAME]" : github_username
}
ensure_safe_gem_name(name, constant_array)
templates = {
"Gemfile.tt" => "Gemfile",
"lib/newgem.rb.tt" => "lib/#{namespaced_path}.rb",
"lib/newgem/version.rb.tt" => "lib/#{namespaced_path}/version.rb",
"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 Bundler.git_present?
if test_framework = ask_and_set_test_framework
config[:test] = test_framework
config[:test_framework_version] = TEST_FRAMEWORK_VERSIONS[test_framework]
templates.merge!("travis.yml.tt" => ".travis.yml")
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"
)
when "minitest"
templates.merge!(
"test/test_helper.rb.tt" => "test/test_helper.rb",
"test/newgem_test.rb.tt" => "test/#{namespaced_path}_test.rb"
)
end
end
config[:test_task] = config[:test] == "minitest" ? "test" : "spec"
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
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
templates.each do |src, dst|
destination = target.join(dst)
SharedHelpers.filesystem_access(destination) do
thor.template("newgem/#{src}", destination, config)
end
end
executables.each do |file|
SharedHelpers.filesystem_access(target.join(file)) do |path|
executable = (path.stat.mode | 0o111)
path.chmod(executable)
end
end
if Bundler.git_present?
Bundler.ui.info "Initializing git repo in #{target}"
Dir.chdir(target) do
`git init`
`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"
rescue Errno::EEXIST => e
raise GenericSystemCallError.new(e, "There was a conflict while creating the new gem.")
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" \
"http://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.nil?
Bundler.ui.confirm "Do you want to generate tests with your gem?"
result = Bundler.ui.ask "Type 'rspec' or 'minitest' to generate those test files now and " \
"in the future. rspec/minitest/(none):"
if result =~ /rspec|minitest/
test_framework = result
else
test_framework = false
end
end
if Bundler.settings["gem.test"].nil?
Bundler.settings.set_global("gem.test", test_framework)
end
test_framework
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
end
end