Deploy task to Heroku

deploy.rake

# Pushes to heroku origin
# Call like this:
# >> rake deploy:heroku staging
# >> rake deploy:heroku production
namespace :deploy do
  task :heroku do
    current_branch = `git branch --no-color | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`.gsub("\n", "").gsub("* ", "")
    deploy_to      = ARGV[1].try(:dup) || 'staging'

    sh "git push #{deploy_to} #{current_branch}:master -f"
    sh "heroku run rake db:migrate -r #{deploy_to}"
    sh "echo \"Rails.cache.clear; exit\" | heroku run console -r #{deploy_to}"
  end
end