Prepare Rails 3.1 app and deploy to Heroku

deploy.rake

desc "Compile assets, commit them and deploy to heroku"
task :deploy do
  
  puts legend("Precompiling assets")
  %x(rake assets:precompile RAILS_ENV=production)

  puts legend("Committing assets")
  %x(git add public/assets/*)
  %x(git commit -m "Precompiled assets for production.")

  puts legend("Deploying")
  %x(git push heroku master)

  puts legend("Migrating (if necessary)")
  %x(heroku run rake db:migrate)
  %x(heroku open)

  puts legend("Local clean up")
  %x(rake assets:clean)
  %x(git rm public/assets/* -r -f)
  %x(git commit -m "Removed precompiled assets.")
  %x(touch app/assets/stylesheets/application.css)
  %x(touch app/assets/javascripts/application.js)
  %x(git add app/assets/stylesheets/application.css)
  %x(git add app/assets/javascripts/application.js)

  puts legend("FYI: Touched manifest files to force rebuild")
  
end

def legend(output, width = 70, string = "=")
  "\n" + string * 2 + " " + output + " " + string * (width - (output.length + 4))
end