deploy.rb

meta :task do
  accepts_block_for :run
  template {
    met? { @run_called }
    meet {
      call_task(:run)
      @run_called = true
    }
  }
end

dep 'deploy repo up to date' do
  setup {
    set :repo_path, '.'
  }
  requires [
    'branch name',
    'clean.repo',
    'branch exists.repo',
    'branch checked out.repo',
    'HEAD up to date.repo',
    'submodules up to date.task',
    'cached JS and CSS removed',
    'app bundled',
    'app flagged for restart.task'
  ]
end

dep 'branch name' do
  
end

meta :repo do
  def repo
    @repo ||= Babushka::GitRepo.new(var(:repo_path))
  end
end

dep 'clean.repo' do
  met? { repo.clean? }
end

dep 'branch exists.repo' do
  met? { repo.branches.include? var(:branch) }
  meet { repo.branch! var(:branch) }
end

dep 'branch checked out.repo' do
  met? { repo.current_branch == var(:branch) }
  meet { repo.checkout! var(:branch) }
end

dep 'HEAD up to date.repo' do
  met? { repo.current_head == var(:new_id) }
  meet { repo.reset_hard! var(:new_id) }
end

dep 'submodules up to date.task' do
  run {
    shell "git submodule update --init"
  }
end

dep 'cached JS and CSS removed' do
  meet {
    shell "rm -f public/javascripts/all.js"
    shell "rm -f public/stylesheets/all.css"
  }
end

dep 'app flagged for restart.task' do
  before { shell 'mkdir -p tmp' }
  run { shell 'touch tmp/restart.txt' }
end