Rails application template

boost_template.rb

# Rails 4 Application Template
# Usage: rails new [app_name] -m [boost_template.rb] -d postgresql

# Remove normal files we don't want
remove_file "README.rdoc"
remove_file "public/index.html"
remove_file "app/assets/images/rails.png"

# Copy database.yml to sample
inside "config" do
  run "cp database.yml database.yml.sample"
end

# Write our config/database.yml
if options[:database].to_s == "postgresql"
remove_file "config/database.yml"
create_file "config/database.yml", <<-EOF
# PostgreSQL. Versions 7.4 and 8.x are supported.
#
# Install the pg driver:
#   gem install pg
# On Mac OS X with macports:
#   gem install pg -- --with-pg-config=/opt/local/lib/postgresql84/bin/pg_config
# On Windows:
#   gem install pg
#       Choose the win32 build.
#       Install PostgreSQL and put its /bin directory on your path.
#
# Configure Using Gemfile
# gem 'pg'
#
login: &login
  adapter: postgresql
  encoding: unicode
  username: #{ENV['DB_USER']}
  timeout: 5000
  pool: 5

development:
  <<: *login
  database: #{app_name}_development
  min_messages: warning

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  <<: *login
  database: #{app_name}_test
  min_messages: warning

production:
  <<: *login
  database: #{app_name}_production
EOF
end

# Disable generation of helpers, javascripts, css, and view specs
insert_into_file "config/application.rb", :after => "class Application < Rails::Application\n" do
<<-EOF
    # Disable generation of helpers, javascripts, css, and view specs
    config.generators do |generate|
      generate.helper false
      generate.assets false
      generate.view_specs false
      generate.factory_girl false
    end
EOF
end

# Configure development action mailer
insert_into_file "config/environments/development.rb", :after => "config.action_mailer.raise_delivery_errors = false\n" do
<<-EOF
  config.action_mailer.delivery_method = :letter_opener
  config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
EOF
end

# Configure our .gitignore file
insert_into_file ".gitignore", "/vendor/bundle\n",        after: "/.bundle\n"
insert_into_file ".gitignore", "/db/*.sql\n/db/*.xml\n",  after: "/db/*.sqlite3\n"
insert_into_file ".gitignore", "/log/*.log.*\n",          after: "/log/*.log\n"
insert_into_file ".gitignore", "/doc/*\n/.sass-cache\n",  after: "/tmp\n"

append_to_file ".gitignore", <<-EOF

# Local Ignores
/config/database.yml
.env

EOF

# Configure our Gemfile
append_to_file "Gemfile", <<-EOF

gem 'dotenv-rails', group: [:test, :development]
gem 'configatron'
gem 'activeadmin', github: "gregbell/active_admin"
gem 'kaminari'
gem 'draper', '~> 1.3'
gem 'countries'
gem 'country_select'
gem 'devise'

# Asset related gems
gem 'slim-rails'
gem 'bootstrap-sass'
gem 'autoprefixer-rails'

gem 'rollbar'
EOF

gem_group :development do
  gem "capistrano"
  gem "rails-erd"
  gem "pry-rails"
  gem 'pry-debugger'
  gem 'pry-rescue'
  gem 'pry-stack_explorer'
  gem "better_errors",      platforms: [:ruby_19, :ruby_20, :rbx]
  gem "binding_of_caller",  platforms: [:ruby_19, :ruby_20, :rbx]
  gem "meta_request"

  gem 'letter_opener'
  gem 'quiet_assets'
  gem 'thin'
end

gem_group :test, :development do
  gem 'rspec-rails'
  gem 'capybara'
  gem 'factory_girl_rails'
end

gem_group :test do
  gem 'shoulda'
  gem 'database_cleaner'
  gem 'ffaker', require: false
  gem 'selenium-webdriver'
end

gem_group :production do
  gem 'newrelic_rpm'
end

# Clean the Gemfile
gsub_file "Gemfile", <<-EOF, ""
# Use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

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

# Use Capistrano for deployment
# gem 'capistrano', group: :development

# Use debugger
# gem 'debugger', group: [:development, :test]
EOF

gsub_file "Gemfile", /\"/, "'"

run "bundle install"

# Run gem generators / create files
create_file ".env"

run "rails generate configatron:install"
run "rails generate active_admin:install"
run "rails g kaminari:config"
run "rails generate rspec:install"
run "rails generate devise User"
run "rake db:create:all"

# Setup asset javascripts and stylesheets
inside "app/assets/stylesheets" do
  run "mv application.css application.css.scss"
end

gsub_file 'app/assets/stylesheets/application.css.scss', /\*= require_tree .\n/, ""

append_to_file "app/assets/stylesheets/application.css.scss", <<-EOF

@import "bootstrap-sprockets";
@import "bootstrap";

EOF

gsub_file 'app/assets/javascripts/application.js', /\/\/= require_tree .\n/, ""
insert_into_file "app/assets/javascripts/application.js", :after => "//= require jquery\n" do
<<-EOF
//= require bootstrap-sprockets
EOF
end

# Setup testing
insert_into_file "spec/spec_helper.rb", :after => "require 'rspec/autorun'\n" do
<<-EOF
  require 'capybara/rspec'
  require 'capybara/rails'
EOF
end

insert_into_file "spec/rails_helper.rb", :after => "RSpec.configure do |config|\n" do
<<-EOF
  config.render_views
  config.include FactoryGirl::Syntax::Methods
  config.include Devise::TestHelpers, :type => :controller
EOF
end

create_file "spec/support/database_cleaner.rb", <<-EOF
RSpec.configure do |config|

  config.before(:suite) do
    DatabaseCleaner.clean_with(:truncation)
  end

  config.before(:each) do
    DatabaseCleaner.strategy = :transaction
  end

  config.before(:each, :js => true) do
    DatabaseCleaner.strategy = :truncation
  end

  config.before(:each) do
    DatabaseCleaner.start
  end

  config.after(:each) do
    DatabaseCleaner.clean
  end

end
EOF

# Remove warnings when running Rspec
gsub_file('.rspec', /--warnings/, '')

git :init
git add: "."
git commit: "-m 'Initial commit of rails application'"