# frozen_string_literal: true
require "fileutils"
require "digest/md5"
require "rails/version" unless defined?(Rails::VERSION)
require "open-uri"
require "uri"
require "rails/generators"
require "active_support/core_ext/array/extract_options"
module Rails
module Generators
class AppBase < Base # :nodoc:
DATABASES = %w( mysql postgresql sqlite3 oracle frontbase ibm_db sqlserver )
JDBC_DATABASES = %w( jdbcmysql jdbcsqlite3 jdbcpostgresql jdbc )
DATABASES.concat(JDBC_DATABASES)
attr_accessor :rails_template
add_shebang_option!
argument :app_path, type: :string
def self.strict_args_position
false
end
def self.add_shared_options_for(name)
class_option :template, type: :string, aliases: "-m",
desc: "Path to some #{name} template (can be a filesystem path or URL)"
class_option :database, type: :string, aliases: "-d", default: "sqlite3",
desc: "Preconfigure for selected database (options: #{DATABASES.join('/')})"
class_option :skip_gemfile, type: :boolean, default: false,
desc: "Don't create a Gemfile"
class_option :skip_git, type: :boolean, aliases: "-G", default: false,
desc: "Skip .gitignore file"
class_option :skip_keeps, type: :boolean, default: false,
desc: "Skip source control .keep files"
class_option :skip_action_mailer, type: :boolean, aliases: "-M",
default: false,
desc: "Skip Action Mailer files"
class_option :skip_action_mailbox, type: :boolean, default: false,
desc: "Skip Action Mailbox gem"
class_option :skip_action_text, type: :boolean, default: false,
desc: "Skip Action Text gem"
class_option :skip_active_record, type: :boolean, aliases: "-O", default: false,
desc: "Skip Active Record files"
class_option :skip_active_storage, type: :boolean, default: false,
desc: "Skip Active Storage files"
class_option :skip_puma, type: :boolean, aliases: "-P", default: false,
desc: "Skip Puma related files"
class_option :skip_action_cable, type: :boolean, aliases: "-C", default: false,
desc: "Skip Action Cable files"
class_option :skip_sprockets, type: :boolean, aliases: "-S", default: false,
desc: "Skip Sprockets files"
class_option :skip_spring, type: :boolean, default: false,
desc: "Don't install Spring application preloader"
class_option :skip_listen, type: :boolean, default: false,
desc: "Don't generate configuration that depends on the listen gem"
class_option :skip_javascript, type: :boolean, aliases: "-J", default: name == "plugin",
desc: "Skip JavaScript files"
class_option :skip_turbolinks, type: :boolean, default: false,
desc: "Skip turbolinks gem"
class_option :skip_test, type: :boolean, aliases: "-T", default: false,
desc: "Skip test files"
class_option :skip_system_test, type: :boolean, default: false,
desc: "Skip system test files"
class_option :skip_bootsnap, type: :boolean, default: false,
desc: "Skip bootsnap gem"
class_option :dev, type: :boolean, default: false,
desc: "Setup the #{name} with Gemfile pointing to your Rails checkout"
class_option :edge, type: :boolean, default: false,
desc: "Setup the #{name} with Gemfile pointing to Rails repository"
class_option :rc, type: :string, default: nil,
desc: "Path to file containing extra configuration options for rails command"
class_option :no_rc, type: :boolean, default: false,
desc: "Skip loading of extra configuration options from .railsrc file"
class_option :help, type: :boolean, aliases: "-h", group: :rails,
desc: "Show this help message and quit"
end
def initialize(*args)
@gem_filter = lambda { |gem| true }
@extra_entries = []
super
convert_database_option_for_jruby
end
private
def gemfile_entry(name, *args) # :doc:
options = args.extract_options!
version = args.first
github = options[:github]
path = options[:path]
if github
@extra_entries << GemfileEntry.github(name, github)
elsif path
@extra_entries << GemfileEntry.path(name, path)
else
@extra_entries << GemfileEntry.version(name, version)
end
self
end
def gemfile_entries # :doc:
[rails_gemfile_entry,
database_gemfile_entry,
webserver_gemfile_entry,
assets_gemfile_entry,
webpacker_gemfile_entry,
javascript_gemfile_entry,
jbuilder_gemfile_entry,
psych_gemfile_entry,
cable_gemfile_entry,
@extra_entries].flatten.find_all(&@gem_filter)
end
def add_gem_entry_filter # :doc:
@gem_filter = lambda { |next_filter, entry|
yield(entry) && next_filter.call(entry)
}.curry[@gem_filter]
end
def builder # :doc:
@builder ||= begin
builder_class = get_builder_class
builder_class.include(ActionMethods)
builder_class.new(self)
end
end
def build(meth, *args) # :doc:
builder.send(meth, *args) if builder.respond_to?(meth)
end
def create_root # :doc:
valid_const?
empty_directory "."
FileUtils.cd(destination_root) unless options[:pretend]
end
def apply_rails_template # :doc:
apply rails_template if rails_template
rescue Thor::Error, LoadError, Errno::ENOENT => e
raise Error, "The template [#{rails_template}] could not be loaded. Error: #{e}"
end
def set_default_accessors! # :doc:
self.destination_root = File.expand_path(app_path, destination_root)
self.rails_template = \
case options[:template]
when /^https?:\/\//
options[:template]
when String
File.expand_path(options[:template], Dir.pwd)
else
options[:template]
end
end
def database_gemfile_entry # :doc:
return [] if options[:skip_active_record]
gem_name, gem_version = gem_for_database
GemfileEntry.version gem_name, gem_version,
"Use #{options[:database]} as the database for Active Record"
end
def webserver_gemfile_entry # :doc:
return [] if options[:skip_puma]
comment = "Use Puma as the app server"
GemfileEntry.new("puma", "~> 3.11", comment)
end
def include_all_railties? # :doc:
[
options.values_at(
:skip_active_record,
:skip_action_mailer,
:skip_test,
:skip_sprockets,
:skip_action_cable
),
skip_active_storage?,
skip_action_mailbox?,
skip_action_text?
].flatten.none?
end
def comment_if(value) # :doc:
question = "#{value}?"
comment =
if respond_to?(question, true)
send(question)
else
options[value]
end
comment ? "# " : ""
end
def keeps? # :doc:
!options[:skip_keeps]
end
def sqlite3? # :doc:
!options[:skip_active_record] && options[:database] == "sqlite3"
end
def skip_active_storage? # :doc:
options[:skip_active_storage] || options[:skip_active_record]
end
def skip_action_mailbox? # :doc:
options[:skip_action_mailbox] || skip_active_storage?
end
def skip_action_text? # :doc:
options[:skip_action_text] || skip_active_storage?
end
class GemfileEntry < Struct.new(:name, :version, :comment, :options, :commented_out)
def initialize(name, version, comment, options = {}, commented_out = false)
super
end
def self.github(name, github, branch = nil, comment = nil)
if branch
new(name, nil, comment, github: github, branch: branch)
else
new(name, nil, comment, github: github)
end
end
def self.version(name, version, comment = nil)
new(name, version, comment)
end
def self.path(name, path, comment = nil)
new(name, nil, comment, path: path)
end
def version
version = super
if version.is_a?(Array)
version.join("', '")
else
version
end
end
end
def rails_gemfile_entry
if options.dev?
[
GemfileEntry.path("rails", Rails::Generators::RAILS_DEV_PATH)
]
elsif options.edge?
[
GemfileEntry.github("rails", "rails/rails")
]
else
[GemfileEntry.version("rails",
rails_version_specifier,
"Bundle edge Rails instead: gem 'rails', github: 'rails/rails'")]
end
end
def rails_version_specifier(gem_version = Rails.gem_version)
if gem_version.segments.size == 3 || gem_version.release.segments.size == 3
# ~> 1.2.3
# ~> 1.2.3.pre4
"~> #{gem_version}"
else
# ~> 1.2.3, >= 1.2.3.4
# ~> 1.2.3, >= 1.2.3.4.pre5
patch = gem_version.segments[0, 3].join(".")
["~> #{patch}", ">= #{gem_version}"]
end
end
def gem_for_database
# %w( mysql postgresql sqlite3 oracle frontbase ibm_db sqlserver jdbcmysql jdbcsqlite3 jdbcpostgresql )
case options[:database]
when "mysql" then ["mysql2", [">= 0.4.4"]]
when "postgresql" then ["pg", [">= 0.18", "< 2.0"]]
when "oracle" then ["activerecord-oracle_enhanced-adapter", nil]
when "frontbase" then ["ruby-frontbase", nil]
when "sqlserver" then ["activerecord-sqlserver-adapter", nil]
when "jdbcmysql" then ["activerecord-jdbcmysql-adapter", nil]
when "jdbcsqlite3" then ["activerecord-jdbcsqlite3-adapter", nil]
when "jdbcpostgresql" then ["activerecord-jdbcpostgresql-adapter", nil]
when "jdbc" then ["activerecord-jdbc-adapter", nil]
else [options[:database], nil]
end
end
def convert_database_option_for_jruby
if defined?(JRUBY_VERSION)
opt = options.dup
case opt[:database]
when "postgresql" then opt[:database] = "jdbcpostgresql"
when "mysql" then opt[:database] = "jdbcmysql"
when "sqlite3" then opt[:database] = "jdbcsqlite3"
end
self.options = opt.freeze
end
end
def assets_gemfile_entry
return [] if options[:skip_sprockets]
GemfileEntry.version("sass-rails", "~> 5.0", "Use SCSS for stylesheets")
end
def webpacker_gemfile_entry
return [] if options[:skip_javascript]
if options.dev? || options.edge?
GemfileEntry.github "webpacker", "rails/webpacker", nil, "Use development version of Webpacker"
else
GemfileEntry.new "webpacker", nil, "Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker"
end
end
def jbuilder_gemfile_entry
comment = "Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder"
GemfileEntry.new "jbuilder", "~> 2.5", comment, {}, options[:api]
end
def javascript_gemfile_entry
if options[:skip_javascript] || options[:skip_turbolinks]
[]
else
[ GemfileEntry.version("turbolinks", "~> 5",
"Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks") ]
end
end
def psych_gemfile_entry
return [] unless defined?(Rubinius)
comment = "Use Psych as the YAML engine, instead of Syck, so serialized " \
"data can be read safely from different rubies (see http://git.io/uuLVag)"
GemfileEntry.new("psych", "~> 2.0", comment, platforms: :rbx)
end
def cable_gemfile_entry
return [] if options[:skip_action_cable]
comment = "Use Redis adapter to run Action Cable in production"
gems = []
gems << GemfileEntry.new("redis", "~> 4.0", comment, {}, true)
gems
end
def bundle_command(command, env = {})
say_status :run, "bundle #{command}"
# We are going to shell out rather than invoking Bundler::CLI.new(command)
# because `rails new` loads the Thor gem and on the other hand bundler uses
# its own vendored Thor, which could be a different version. Running both
# things in the same process is a recipe for a night with paracetamol.
#
# We unset temporary bundler variables to load proper bundler and Gemfile.
#
# Thanks to James Tucker for the Gem tricks involved in this call.
_bundle_command = Gem.bin_path("bundler", "bundle")
require "bundler"
Bundler.with_clean_env do
full_command = %Q["#{Gem.ruby}" "#{_bundle_command}" #{command}]
if options[:quiet]
system(env, full_command, out: File::NULL)
else
system(env, full_command)
end
end
end
def bundle_install?
!(options[:skip_gemfile] || options[:skip_bundle] || options[:pretend])
end
def spring_install?
!options[:skip_spring] && !options.dev? && Process.respond_to?(:fork) && !RUBY_PLATFORM.include?("cygwin")
end
def webpack_install?
!(options[:skip_javascript] || options[:skip_webpack_install])
end
def depends_on_system_test?
!(options[:skip_system_test] || options[:skip_test] || options[:api])
end
def depend_on_listen?
!options[:skip_listen] && os_supports_listen_out_of_the_box?
end
def depend_on_bootsnap?
!options[:skip_bootsnap] && !options[:dev] && !defined?(JRUBY_VERSION)
end
def os_supports_listen_out_of_the_box?
RbConfig::CONFIG["host_os"] =~ /darwin|linux/
end
def run_bundle
bundle_command("install", "BUNDLE_IGNORE_MESSAGES" => "1") if bundle_install?
end
def run_webpack
if webpack_install?
rails_command "webpacker:install"
rails_command "webpacker:install:#{options[:webpack]}" if options[:webpack] && options[:webpack] != "webpack"
end
end
def generate_bundler_binstub
if bundle_install?
bundle_command("binstubs bundler")
end
end
def generate_spring_binstubs
if bundle_install? && spring_install?
bundle_command("exec spring binstub --all")
end
end
def empty_directory_with_keep_file(destination, config = {})
empty_directory(destination, config)
keep_file(destination)
end
def keep_file(destination)
create_file("#{destination}/.keep") if keeps?
end
end
end
end