My old-fashioned Ruby script for creating a new Rails project. Updated to 3.2.12. *NOTE* that the Gemfile references a couple of my forks of useful repos; I encourage others to maintain their own forks, just so you can know what changes when.

setup_project.rb

#!/usr/bin/env ruby

require 'git'
require 'logger'

BASE_SUBDIR  = '/src/rails'

$logger = Logger.new STDOUT
$logger.level = Logger::INFO

if ARGV.empty? then
  puts "Must specify project name!"
  exit
else
  PROJECT_NAME=ARGV[0]
end

$content = {}
$content[:cruise_rake] = %q(
task :cruise do
  system 'rake db:reset db:test:clone teabag'
  system 'rake spec coverage testoutdated'
end

)

$content[:dotrspec] = %q(
--colour
-f d
)

$content[:testoutdated_rake] = %q(

task :testoutdated do
  run_check = defined?(RAILS_ENV) && RAILS_ENV != 'production'
  RAILS_ENV = 'test'
  GATE_FILE = '/tmp/run_test_outdated'

  if run_check then
    require 'FileUtils'
    run_check = File.file? GATE_FILE
  end

  if run_check then
    sh %{bundle-outdated}
  else
    puts "Skipping check for outdated Gems in bundle. To enable the check, touch #{GATE_FILE} or run 'bundle outdated' explicitly."
  end
end

)

$content[:gemfile] = %q(
source 'https://rubygems.org'

gem 'rails', '3.2.12'

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

gem 'sqlite3'

# gem 'haml'
gem 'bootstrap-sass'
gem 'haml-rails'
gem 'configurability'
gem 'loggability'
gem 'yajl-ruby'
gem 'validates_email_format_of'

gem 'thin'

group :production do
  gem 'secret_token_replacer', :git => 'git://github.com/jdickey/secret_token_replacer.git'
end

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails'
  gem 'coffee-rails'
  gem 'teabag'
  gem 'twitter_bootstrap_form_for'

  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
  gem 'therubyracer', :platforms => :ruby
  gem 'execjs'

  gem 'uglifier'
  gem 'jquery-rails'
end


# To use ActiveModel has_secure_password
gem 'bcrypt-ruby', '~> 3.0.0'

# To use Jbuilder templates for JSON
# gem 'jbuilder'

# Use unicorn as the app server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'debugger'

group :development do
  gem 'better_errors'
  gem 'binding_of_caller'
  gem 'meta_request'
end
#
group :development, :test do
  gem 'awesome_print'
  gem 'inherited_resources'
  gem 'quiet_assets'
  gem 'rspec'
  gem 'rspec-rails'
  gem 'rspec-html-matchers'
  gem 'rspec-http'
  gem 'capybara'
  # gem 'fuubar'
  gem 'pry'
  gem 'pry-rails'
  gem 'simplecov'
  gem 'factory_girl_rails'
  gem 'jasmine-fixtures'
  # gem 'jasmine-fixtures', :git => 'git://github.com/jdickey/jasmine-fixtures.git'
  # gem 'pry-doc'
  # gem 'pry-nav'
  # gem 'pry-remote'
  # gem 'pry-stack_explorer'
  # gem 'pry-exception_explorer'
end

)

$content[:gitignore] = %q(
*.js.js
*.sublime-project
*.sublime-workspace
*.tmproj
.bundle
.sass-cache/
coverage
db/*.sqlite3
doc/
docs
internal/
log/*.log
tmp/
vendor/cache/*
vendor/cache/**/
vendor/ruby
./config/initializers/secret_token.rb

)

$content[:dummy_spec] = %q(
require 'spec_helper'

describe "Dummy" do
  pending "Get some specs written, and then delete spec/dummy_spec.rb"
end

)

def create_project(project_name)
  Dir.chdir(Dir.home() + "/src/rails")
  if Dir.exists? project_name then
    puts "#{project_name} already exists!"
    exit
  end
  system("rails new #{project_name} -T --skip-bundle")
  $logger.info "Project #{project_name} created; skipped bundle."
  Dir.chdir(project_name)
end

def output_to_file(key, mode, filename)
  open(filename, mode) do |f|
    f.puts $content[key]
  end
end

def create_rake_task
  output_to_file(:cruise_rake, 'w', 'lib/tasks/cruise.rake')
  $logger.info "lib/tasks/cruise.rake created"
  output_to_file(:testoutdated_rake, 'w', 'lib/tasks/testoutdated.rake')
  $logger.info "lib/tasks/testoutdated.rake created"
end

def generate_spec_dir
  system("rails generate rspec:install -q")
  output_to_file(:dotrspec, 'w', '.rspec')
  $logger.info "RSpec support initialised"
  output_to_file(:dummy_spec, 'w', 'spec/dummy_spec.rb')
  $logger.info "Dummy specfile created"
end

def setup_git
  output_to_file(:gitignore, 'w', '.gitignore')
  g = Git.init
  g.add '.'
  g.commit "Initial commit."
  $logger.info "Git initalised and initial commit made."
end

def init_teabag
  system "rails generate teabag:install"
end

def update_gemfile
  output_to_file(:gemfile, 'w', 'Gemfile')
  $logger.info "Gemfile updated"
  system("sync;sync;sync;bundle install --path vendor && bundle package --all")
end

create_project PROJECT_NAME
update_gemfile
create_rake_task
generate_spec_dir
init_teabag
setup_git