Rails 3 template (Postgres, RSpec, Capybara, Guard/Linux, Spork)

rails_3_template.rb

#!/usr/bin/env ruby -w
# 
# Rails 3 template  (Postgres, RSpec, Capybara, Guard/libnotify4Linux, Spork)
# This should be used in this way: 
#
#   rails new APP_NAME -d postgresql -T --skip-bundle -m https://raw.github.com/gist/2489048/rails_3_template.rb

# 1. Non-SSL source proposal (due to bundler bug)
if yes?("Do you want to use the non-SSL source of rubygems.org as gems source?")
  # run %q(sed -i 's/https:\/\/rubygems.org/http:\/\/rubygems.org/' Gemfile) 
  gsub_file 'Gemfile', 'https://rubygems.org', 'http://rubygems.org'
end

# 2. Gems
gem 'therubyracer', :platform => :ruby
gem 'slim-rails'

gem_group :development do
  gem 'irbtools'
  gem 'libnotify'
  gem 'guard-spork'
  gem 'guard-rspec'
end

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

# 3. bundle install
run 'bundle install'

# 4. generators
generate "rspec:install"

# 5. RSpec: Capybara support
create_file "spec/support/capybara.rb", <<-RUBY
require 'capybara/rspec'
require 'capybara/rails'
RUBY

create_file "spec/requests/home_spec.rb", <<-RUBY
require 'spec_helper'

describe 'visiting the homepage' do
  before do
    visit '/'
  end

  it 'should have a body' do
    page.should have_css('body')    
  end
end
RUBY

# 6. RSpec: focus filter
#    Adding focus filter to RSpec so we can choose the spec that 
#    will be run (see http://asciicasts.com/episodes/285-spork)
inject_into_file 'spec/spec_helper.rb', :after => "RSpec.configure do |config|\n" do 
  <<-RUBY
  # Adding focus filter to RSpec so we can choose the spec that 
  # will be run (see http://asciicasts.com/episodes/285-spork)
  config.treat_symbols_as_metadata_keys_with_true_values = true  
  config.filter_run :focus => true  
  config.run_all_when_everything_filtered = true

RUBY
end

# 7. RSpec: Removing ActiveRecord fixtures support
gsub_file 'spec/spec_helper.rb', 'config.fixture_path = "#{::Rails.root}/spec/fixtures"', '# config.fixture_path = "#{::Rails.root}/spec/fixtures"'

# 8. config/database.yml modifications
if yes?("Do you want to set the database host to '/var/run/postgresql'?")
  inject_into_file "config/database.yml", "  host: /var/run/postgresql\n", :after => "development:\n"

  # Added :force => true, due to this:
  # http://stackoverflow.com/questions/10314893/rails-3-template-strange-beahaviour-of-inject-into-file
  inject_into_file "config/database.yml", "  host: /var/run/postgresql\n", :after => "production:\n", :force => true
  inject_into_file "config/database.yml", "  host: /var/run/postgresql\n", :after => "test:\n", :force => true
end

if yes?('Do you want to change the database username setting it to the current Unix username?')
  username = ENV['USER']
  gsub_file 'config/database.yml', /^(  username: ).*$/, '\1%s' % username
  # run %Q(sed -i 's/  username: .*/  username: #{username}/g' config/database.yml)
end

# 9. Spork https://github.com/sporkrb/spork-rails
run 'bundle exec spork rspec --bootstrap'

# 10. Guard https://github.com/guard/guard-spork
#           https://github.com/guard/guard-rspec
#     In guard-spork is written to load before spork and then rspec, so:
run 'bundle exec guard init spork'
run 'bundle exec guard init rspec'

#     Adding --drb so guard uses Spork
gsub_file 'Guardfile', "guard 'rspec', :version => 2 do", "guard 'rspec', :version => 2, :cli => '--drb' do"

#     Setting libnotify as notification library
inject_into_file 'Guardfile', "notification :libnotify\n\n", :before => /^guard 'spork'.*/

#     FactoryGirl reloading each tests run
inject_into_file 'spec/spec_helper.rb', "  FactoryGirl.reload\n", :after => "Spork.each_run do\n"