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require 'digest/md5'
require 'securerandom'
require 'active_support/core_ext/string/strip'
require 'rails/version' unless defined?(Rails::VERSION)
require 'rbconfig'
require 'open-uri'
require 'uri'
module Rails
module Generators
class AppBase < Base
DATABASES = %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
JDBC_DATABASES = %w( jdbcmysql jdbcsqlite3 jdbcpostgresql )
DATABASES.concat(JDBC_DATABASES)
attr_accessor :rails_template
add_shebang_option!
argument :app_path, :type => :string
def self.add_shared_options_for(name)
class_option :builder, :type => :string, :aliases => "-b",
:desc => "Path to a #{name} builder (can be a filesystem path or URL)"
class_option :template, :type => :string, :aliases => "-m",
:desc => "Path to an #{name} template (can be a filesystem path or URL)"
class_option :skip_gemfile, :type => :boolean, :default => false,
:desc => "Don't create a Gemfile"
class_option :skip_bundle, :type => :boolean, :default => false,
:desc => "Don't run bundle install"
class_option :skip_git, :type => :boolean, :aliases => "-G", :default => false,
:desc => "Skip Git ignores and keeps"
class_option :skip_active_record, :type => :boolean, :aliases => "-O", :default => false,
:desc => "Skip Active Record files"
class_option :database, :type => :string, :aliases => "-d", :default => "sqlite3",
:desc => "Preconfigure for selected database (options: #{DATABASES.join('/')})"
class_option :javascript, :type => :string, :aliases => '-j', :default => 'jquery',
:desc => 'Preconfigure for selected JavaScript library'
class_option :skip_javascript, :type => :boolean, :aliases => "-J", :default => false,
:desc => "Skip JavaScript files"
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 :skip_test_unit, :type => :boolean, :aliases => "-T", :default => false,
:desc => "Skip Test::Unit files"
class_option :help, :type => :boolean, :aliases => "-h", :group => :rails,
:desc => "Show this help message and quit"
class_option :old_style_hash, :type => :boolean, :default => false,
:desc => "Force using old style hash (:foo => 'bar') on Ruby >= 1.9"
end
def initialize(*args)
@original_wd = Dir.pwd
super
end
protected
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 = get_builder_class
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 create_root
self.destination_root = File.expand_path(app_path, destination_root)
valid_const?
empty_directory '.'
set_default_accessors!
FileUtils.cd(destination_root) unless options[:pretend]
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 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
def database_gemfile_entry
options[:skip_active_record] ? "" : "gem '#{gem_for_database}'\n"
end
def include_all_railties?
!options[:skip_active_record] && !options[:skip_test_unit]
end
def comment_if(value)
options[value] ? '# ' : ''
end
def rails_gemfile_entry
if options.dev?
<<-GEMFILE.strip_heredoc
gem 'rails', :path => '#{Rails::Generators::RAILS_DEV_PATH}'
GEMFILE
elsif options.edge?
<<-GEMFILE.strip_heredoc
gem 'rails', :git => 'git://github.com/rails/rails.git'
GEMFILE
else
<<-GEMFILE.strip_heredoc
gem 'rails', '#{Rails::VERSION::STRING}'
# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'
GEMFILE
end
end
def gem_for_database
# %w( mysql oracle postgresql sqlite3 frontbase ibm_db jdbcmysql jdbcsqlite3 jdbcpostgresql )
case options[:database]
when "oracle" then "ruby-oci8"
when "postgresql" then "pg"
when "frontbase" then "ruby-frontbase"
when "mysql" then "mysql2"
when "jdbcmysql" then "activerecord-jdbcmysql-adapter"
when "jdbcsqlite3" then "activerecord-jdbcsqlite3-adapter"
when "jdbcpostgresql" then "activerecord-jdbcpostgresql-adapter"
else options[:database]
end
end
def gem_for_ruby_debugger
if RUBY_VERSION < "1.9"
"gem 'ruby-debug'"
else
"gem 'ruby-debug19', :require => 'ruby-debug'"
end
end
def gem_for_turn
unless RUBY_VERSION < "1.9.2" || options[:skip_test_unit]
<<-GEMFILE.strip_heredoc
group :test do
# Pretty printed test output
gem 'turn', :require => false
end
GEMFILE
end
end
def gem_for_javascript
"gem '#{options[:javascript]}-rails'" unless options[:skip_javascript]
end
def bundle_command(command)
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 use backticks and #print here instead of vanilla #system because it
# is easier to silence stdout in the existing test suite this way. The
# end-user gets the bundler commands called anyway, so no big deal.
#
# Thanks to James Tucker for the Gem tricks involved in this call.
print `"#{Gem.ruby}" -rubygems "#{Gem.bin_path('bundler', 'bundle')}" #{command}`
end
def run_bundle
bundle_command('install') unless options[:skip_gemfile] || options[:skip_bundle]
end
def empty_directory_with_gitkeep(destination, config = {})
empty_directory(destination, config)
git_keep(destination)
end
def git_keep(destination)
create_file("#{destination}/.gitkeep") unless options[:skip_git]
end
# Returns Ruby 1.9 style key-value pair if current code is running on
# Ruby 1.9.x. Returns the old-style (with hash rocket) otherwise.
def key_value(key, value)
if options[:old_style_hash] || RUBY_VERSION < '1.9'
":#{key} => #{value}"
else
"#{key}: #{value}"
end
end
end
end
end
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