Rails template using Isolate for dependency management. Most of the code was blatantly stolen from jbarnette

isolated_rails.rb

run "rm public/index.html"

file "Isolate", <<-END
gem "rails",        "3.0.1"
gem "haml",         "3.0.22"
gem "sqlite3-ruby", "1.3.1"

env :development do
  gem "haml-rails", "0.2"
end

env :development, :test do
  gem "rspec-rails",  "2.0.0"
  gem "ruby-debug19", "0.11.6"
end
END

run "rm config/boot.rb"
file "config/boot.rb", <<-END
require "rubygems"
require "isolate/now"
END

run "rm Gemfile"

# Remove the lines that require bundler
application = File.read("config/application.rb")
run "rm config/application.rb"
file "config/application.rb", application.gsub(%r{(require 'rails/all').*(\n\nmodule)}m, '\1\nrequire "haml"\2')

inject_into_file "config/application.rb", <<-END, :after => /config\.filter_parameters.*$/


    # Configure the generators
    config.generators do |g|
      g.template_engine :haml
      g.stylesheets     false
    end
END

run "rm README"
file "README", <<-END
Install the `isolate` rubygem. Run `rake`. Follow the instructions. Enjoy.
END

run "rm config/database.yml"
file "config/database.yml", <<-END
development: &defaults
  adapter: sqlite3
  database: db/development.sqlite3
  pool: 5
  timeout: 5000

test: &test
  <<: *defaults
  database: ":memory:"

production:
  development
END

run "rm doc/README_FOR_APP"
file "doc/newb.txt", <<-END

  FINISHED. What I did for you:

    * Installed gems for development and testing.
    * Created DBs using SQLite and the stock database.yml.
    * Reset them with db/schema.rb.
    * Ran the specs.

END

routes = File.read("config/routes.rb")
run "rm config/routes.rb"
file "config/routes.rb", routes.gsub(%r{(.*\.routes\.draw do\n).*(end$)}m, '\1\2')

rakefile "newb.rake", <<-END
Rake::Task["default"].prerequisites.replace %w(newb) +
  Rake::Task["default"].prerequisites

task :newb do
  next unless Dir["log/*.log"].empty?
  puts "Looks like you're new here. Let's get crackin'."

  %w(db:create:all db:schema:dump spec).each do |t|
    Rake::Task[t].invoke
  end

  puts IO.read(Rails.root.join("doc/newb.txt"))
end
END

rakefile "replacements.rake", <<-END
Rake::TaskManager.class_eval do # HACK
  def nuke(task_name)
    @tasks.delete task_name.to_s
  end
end

doctasks = Rake.application.tasks.map(&:name).select { |n| /doc/ =~ n }
doctasks.each { |n| Rake.application.nuke n }
END

initializer "attr_accessible.rb", <<-END
# Force all models into using attr_accessible
class ActiveRecord::Base
  attr_accessible nil
end
END

run "rm app/views/layouts/application.html.erb"
file "app/views/layouts/application.haml", <<-END
!!! html5
%html(lang="en")
  %head
    %meta(charset="utf-8")
    %title #{File.basename(Dir.pwd).titleize}
    = csrf_meta_tag
  %body
    = yield
END

generate "rspec:install"

run "rm -r test"
run "mkdir -p spec/support"

file "spec/support/in_memory_db.rb", <<-END
silence_stream STDOUT do
  require File.expand_path('../../db/schema', __FILE__)
end
END

run "rm public/javascripts/*"

run "rm log/*"
rake "default"

run "git init"
run "git add ."
run "git commit -m 'F1RST PO5T!!!1!'"

readme "#{Dir.pwd}/doc/newb.txt"