rails additional setup

Gemfile

group :development, :test do
  gem 'guard-rspec', require: false
  gem 'rspec-rails', '~> 4.0.1'
end

group :development do
  gem 'rubocop', '~> 0.88.0', require: false
  gem 'spring-commands-rspec'
  gem 'spring-commands-rubocop'
end

group :test do
  gem 'shoulda-matchers', '~> 4.0'
end

setup.sh

#!/bin/sh

bundle exec rails g rspec:install
bundle exec guard  init
bundle exec binstub rubocop rspec

# replace rpsec command 
sed -r '(?<=s/cmd: ")(.*)(?=")/bundle exec spring rspec -f doc/' Guardfile

# insert shoulda-matchers config to spec/rails_helper.rb
cat <<EOF >> spec/rails_helper.rb
Shoulda::Matchers.configure do |config|
  config.integrate do |with|
    with.test_framework :rspec
    with.library :rails
  end
end
EOF