/
app_generator.rb
435 lines (343 loc) · 12.3 KB
/
app_generator.rb
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require 'digest/md5'
require 'active_support/secure_random'
require 'rails/version' unless defined?(Rails::VERSION)
require 'rbconfig'
require 'open-uri'
require 'uri'
module Rails
module ActionMethods
attr_reader :options
def initialize(generator)
@generator = generator
@options = generator.options
end
private
%w(template copy_file directory empty_directory inside
empty_directory_with_gitkeep create_file chmod shebang).each do |method|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args, &block)
@generator.send(:#{method}, *args, &block)
end
RUBY
end
# TODO: Remove once this is fully in place
def method_missing(meth, *args, &block)
STDERR.puts "Calling #{meth} with #{args.inspect} with #{block}"
@generator.send(meth, *args, &block)
end
end
class AppBuilder
def rakefile
template "Rakefile"
end
def readme
copy_file "README"
end
def gemfile
template "Gemfile"
end
def configru
template "config.ru"
end
def gitignore
copy_file "gitignore", ".gitignore"
end
def app
directory 'app'
end
def config
empty_directory "config"
inside "config" do
template "routes.rb"
template "application.rb"
template "environment.rb"
directory "environments"
directory "initializers"
directory "locales"
end
end
def database_yml
template "config/databases/#{@options[:database]}.yml", "config/database.yml"
end
def db
directory "db"
end
def doc
directory "doc"
end
def lib
empty_directory "lib"
empty_directory_with_gitkeep "lib/tasks"
end
def log
empty_directory "log"
inside "log" do
%w( server production development test ).each do |file|
create_file "#{file}.log"
chmod "#{file}.log", 0666, :verbose => false
end
end
end
def public_directory
directory "public", "public", :recursive => false
end
def images
directory "public/images"
end
def stylesheets
empty_directory_with_gitkeep "public/stylesheets"
end
def javascripts
unless options[:skip_prototype]
directory "public/javascripts"
else
empty_directory_with_gitkeep "public/javascripts"
create_file "public/javascripts/application.js"
end
end
def script
directory "script" do |content|
"#{shebang}\n" + content
end
chmod "script", 0755, :verbose => false
end
def test
directory "test"
end
def tmp
empty_directory "tmp"
inside "tmp" do
%w(sessions sockets cache pids).each do |dir|
empty_directory(dir)
end
end
end
def vendor_plugins
empty_directory_with_gitkeep "vendor/plugins"
end
end
module Generators
# We need to store the RAILS_DEV_PATH in a constant, otherwise the path
# can change in Ruby 1.8.7 when we FileUtils.cd.
RAILS_DEV_PATH = File.expand_path("../../../../../..", File.dirname(__FILE__))
RESERVED_NAMES = %w[application destroy benchmarker profiler
plugin runner test]
class AppGenerator < Base
DATABASES = %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
attr_accessor :rails_template
add_shebang_option!
argument :app_path, :type => :string
class_option :database, :type => :string, :aliases => "-d", :default => "sqlite3",
:desc => "Preconfigure for selected database (options: #{DATABASES.join('/')})"
class_option :builder, :type => :string, :aliases => "-b",
:desc => "Path to an application builder (can be a filesystem path or URL)"
class_option :template, :type => :string, :aliases => "-m",
:desc => "Path to an application template (can be a filesystem path or URL)"
class_option :dev, :type => :boolean, :default => false,
:desc => "Setup the application with Gemfile pointing to your Rails checkout"
class_option :edge, :type => :boolean, :default => false,
:desc => "Setup the application with Gemfile pointing to Rails repository"
class_option :skip_gemfile, :type => :boolean, :default => false,
:desc => "Don't create a Gemfile"
class_option :skip_active_record, :type => :boolean, :aliases => "-O", :default => false,
:desc => "Skip Active Record files"
class_option :skip_test_unit, :type => :boolean, :aliases => "-T", :default => false,
:desc => "Skip Test::Unit files"
class_option :skip_prototype, :type => :boolean, :aliases => "-J", :default => false,
:desc => "Skip Prototype files"
class_option :skip_git, :type => :boolean, :aliases => "-G", :default => false,
:desc => "Skip Git ignores and keeps"
# Add bin/rails options
class_option :version, :type => :boolean, :aliases => "-v", :group => :rails,
:desc => "Show Rails version number and quit"
class_option :help, :type => :boolean, :aliases => "-h", :group => :rails,
:desc => "Show this help message and quit"
def initialize(*args)
raise Error, "Options should be given after the application name. For details run: rails --help" if args[0].blank?
@original_wd = Dir.pwd
super
if !options[:skip_active_record] && !DATABASES.include?(options[:database])
raise Error, "Invalid value for --database option. Supported for preconfiguration are: #{DATABASES.join(", ")}."
end
end
def create_root
self.destination_root = File.expand_path(app_path, destination_root)
valid_app_const?
empty_directory '.'
set_default_accessors!
FileUtils.cd(destination_root) unless options[:pretend]
end
def create_root_files
build(:readme)
build(:rakefile)
build(:configru)
build(:gitignore) unless options[:skip_git]
build(:gemfile) unless options[:skip_gemfile]
end
def create_app_files
build(:app)
end
def create_config_files
build(:config)
end
def create_boot_file
template "config/boot.rb"
end
def create_active_record_files
return if options[:skip_active_record]
build(:database_yml)
end
def create_db_files
build(:db)
end
def create_doc_files
build(:doc)
end
def create_lib_files
build(:lib)
end
def create_log_files
build(:log)
end
def create_public_files
build(:public_directory)
end
def create_public_image_files
build(:images)
end
def create_public_stylesheets_files
build(:stylesheets)
end
def create_prototype_files
build(:javascripts)
end
def create_script_files
build(:script)
end
def create_test_files
build(:test) unless options[:skip_test_unit]
end
def create_tmp_files
build(:tmp)
end
def create_vendor_files
build(:vendor_plugins)
end
def finish_template
build(:leftovers)
end
def apply_rails_template
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 bundle_if_dev_or_edge
bundle_command = File.basename(Thor::Util.ruby_command).sub(/ruby/, 'bundle')
run "#{bundle_command} install" if dev_or_edge?
end
protected
def self.banner
"rails new #{self.arguments.map(&:usage).join(' ')} [options]"
end
def builder
@builder ||= begin
if path = options[:builder]
if URI(path).is_a?(URI::HTTP)
contents = open(path, "Accept" => "application/x-thor-template") {|io| io.read }
else
contents = open(File.expand_path(path, @original_wd)) {|io| io.read }
end
prok = eval("proc { #{contents} }", TOPLEVEL_BINDING, path, 1)
instance_eval(&prok)
end
builder_class = defined?(::AppBuilder) ? ::AppBuilder : Rails::AppBuilder
builder_class.send(:include, ActionMethods)
builder_class.new(self)
end
end
def build(meth, *args)
builder.send(meth, *args) if builder.respond_to?(meth)
end
def set_default_accessors!
self.rails_template = case options[:template]
when /^https?:\/\//
options[:template]
when String
File.expand_path(options[:template], Dir.pwd)
else
options[:template]
end
end
# Define file as an alias to create_file for backwards compatibility.
def file(*args, &block)
create_file(*args, &block)
end
def app_name
@app_name ||= defined_app_const_base? ? defined_app_name : File.basename(destination_root)
end
def defined_app_name
defined_app_const_base.underscore
end
def defined_app_const_base
Rails.respond_to?(:application) && defined?(Rails::Application) &&
Rails.application.is_a?(Rails::Application) && Rails.application.class.name.sub(/::Application$/, "")
end
alias :defined_app_const_base? :defined_app_const_base
def app_const_base
@app_const_base ||= defined_app_const_base || app_name.gsub(/\W/, '_').squeeze('_').camelize
end
def app_const
@app_const ||= "#{app_const_base}::Application"
end
def valid_app_const?
if app_const =~ /^\d/
raise Error, "Invalid application name #{app_name}. Please give a name which does not start with numbers."
elsif RESERVED_NAMES.include?(app_name)
raise Error, "Invalid application name #{app_name}. Please give a name which does not match one of the reserved rails words."
elsif Object.const_defined?(app_const_base)
raise Error, "Invalid application name #{app_name}, constant #{app_const_base} is already in use. Please choose another application name."
end
end
def app_secret
ActiveSupport::SecureRandom.hex(64)
end
def dev_or_edge?
options.dev? || options.edge?
end
def gem_for_database
# %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
case options[:database]
when "oracle" then "ruby-oci8"
when "postgresql" then "pg"
when "sqlite3" then "sqlite3"
when "frontbase" then "ruby-frontbase"
when "mysql" then "mysql2"
else options[:database]
end
end
def version_constraint_for_database_gem
case options[:database]
when "mysql" then "~> 0.2.6"
else nil
end
end
def mysql_socket
@mysql_socket ||= [
"/tmp/mysql.sock", # default
"/var/run/mysqld/mysqld.sock", # debian/gentoo
"/var/tmp/mysql.sock", # freebsd
"/var/lib/mysql/mysql.sock", # fedora
"/opt/local/lib/mysql/mysql.sock", # fedora
"/opt/local/var/run/mysqld/mysqld.sock", # mac + darwinports + mysql
"/opt/local/var/run/mysql4/mysqld.sock", # mac + darwinports + mysql4
"/opt/local/var/run/mysql5/mysqld.sock", # mac + darwinports + mysql5
"/opt/lampp/var/mysql/mysql.sock" # xampp for linux
].find { |f| File.exist?(f) } unless RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
end
def empty_directory_with_gitkeep(destination, config = {})
empty_directory(destination, config)
create_file("#{destination}/.gitkeep") unless options[:skip_git]
end
end
end
end