Overwriting defaults in new Rails app using a template

rails_template.rb

# template.rb

# Helpful links:

# Templates doc
# http://guides.rubyonrails.org/rails_application_templates.html

# Generator docs - in particular section 9
# http://guides.rubyonrails.org/generators.html

#-------------------
## GEMS
#-------------------

gsub_file 'Gemfile', "gem 'sqlite3'", ""

gem 'bcrypt'
gem 'pg'
gem 'pry-rails'

gem_group :development do
  gem 'annotate'
  gem 'better_errors'
  gem 'binding_of_caller'
end

#-------------------
## database.yml
#-------------------
old_yml = Regexp.new("^(.*){1}", Regexp::IGNORECASE | Regexp::MULTILINE)

new_yml = <<-NEW
development:
  adapter: postgresql
  database: #{@app_name}_dev
  host: localhost
  pool: 5
  timeout: 5000

# test:
#   adapter: postgresql
#   database: #{@app_name}_test
#   host: localhost
#   pool: 5
#   timeout: 5000
#
# production:
#   adapter: postgresql
#   database: #{@app_name}_prod
#   host: localhost
#   pool: 5
#   timeout: 5000
NEW

gsub_file 'config/database.yml', old_yml, new_yml

run "bundle install"

#-------------------
## rake
#-------------------
puts("------------------------------------------------------------------")
puts("------------------------------------------------------------------")
rake("db:create:all") if yes?("Create DB? ('y' only if psql is running):")


#-------------------
## git
#-------------------
git :init
append_to_file '.gitignore', '.DS_Store\n'
append_file '.gitignore', 'config/database.yml\n'
append_file '.gitignore', '.env\n'
git add: "-A"
git commit: %Q{ -m 'Initial commit' }
run "mate ."

rails_test_template.rb

# test_template.rb

# Includes and configures for rspec testing

# Helpful links:

# Templates doc
# http://guides.rubyonrails.org/rails_application_templates.html

# Generator docs - in particular section 9
# http://guides.rubyonrails.org/generators.html

#----------------------------
## GEMS
#----------------------------
path = File.expand_path File.dirname(__FILE__)

gsub_file 'Gemfile', "gem 'sqlite3'", ""

gem 'bcrypt'
gem 'pg'
gem 'pry-rails'

gem_group :development do
  gem 'annotate', ">=2.6.0"
  gem 'better_errors'
  gem 'binding_of_caller'
end

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

gem_group :test do
  gem 'capybara'
  gem 'guard-rspec'
  gem 'launchy'
  gem 'shoulda-matchers'
  gem 'faker'
end

#----------------------------
## database.yml
#----------------------------
old_yml = Regexp.new("^(.*){1}", Regexp::IGNORECASE | Regexp::MULTILINE)

new_yml = <<-NEW
development:
  adapter: postgresql
  database: #{@app_name}_dev
  host: localhost
  pool: 5
  timeout: 5000

test:
  adapter: postgresql
  database: #{@app_name}_test
  host: localhost
  pool: 5
  timeout: 5000

production:
  adapter: postgresql
  database: #{@app_name}_prod
  host: localhost
  pool: 5
  timeout: 5000
NEW

gsub_file 'config/database.yml', old_yml, new_yml


run "bundle install"

#----------------------------
## rake
#----------------------------
puts("------------------------------------------------------------------")
puts("------------------------------------------------------------------")
if yes?("Create DB? ('y' only if psql is running):")
  rake("db:create:all")
  rake("db:migrate")
  rake("db:test:prepare")
end
#----------------------------
## Rspec and Factories
#----------------------------
generate "rspec:install"
append_to_file '.rspec', '--format documentation'

inject_into_file './config/application.rb', after: "class Application < Rails::Application\n" do <<-'RUBY'
    config.generators do |g|
    g.test_framework :rspec,
      :fixtures => true,
      :view_specs => false,
      :helper_specs => false,
      :routing_specs => false,
      :controller_specs => true,
      :request_specs => true
    g.fixture_replacement :factory_girl, :dir => "spec/factories"
    end
RUBY
end

inject_into_file './spec/spec_helper.rb', after: "RSpec.configure do |config|\n" do
  "  config.include FactoryGirl::Syntax::Methods\n"
end

run 'mkdir ./spec/factories/'

#----------------------------
## git
#----------------------------
git :init
append_to_file '.gitignore', '.DS_Store\n'
append_file '.gitignore', 'config/database.yml\n'
append_file '.gitignore', '.env\n'
git add: "-A"
git commit: %Q{ -m 'Initial commit' }
run "mate ."