config/deploy/stage.rb

server 'localhost', user: 'vagrant', roles: %w{web}
set :repo_url, 'git@github.com:mumoshu/finagle_sample_app'

fetch :repo_url
#=> "git@github.com:mumoshu/finagle_sample_app"

task :uptime do
	run_locally do
		output = capture "uptime"
	end
	on roles(:web) do
		output = caputer "uptime"
	end
end

# ソースコードの取得
set :application, 'finalge_sample_app'
set :repo_url, 'git@github.com:mumoshu/finagle_sample.git'

task :update do
	run_locall do
		application = fetch :application
		if test "[ -d #{application} ]"
			execute "cd #{application}; git pull"
		end
	else
		execute "git clone #{fetch :repo_url} #{application}"
	end
  end
end

task :archive => :update do
	run_locally do
		sbt_output = capture "cd #{fetch :application}; sbt pack-archive"

		sbt_output_without_escape_sequences = sbt_output.lines.map {|line| line.gsub(/\e\[\d{1,2}m/,''])}.join

		archive_relative_path = sbt_output_without_escape_sequences.match(/\[info\] Generating (?<archive_path>.+\.tar\.gz)\s*$[:archive_path]
		archive_name =archive_relative_path.match(/(?<archive_name>[^\/]+\.tar\.gz)$/)[:archive_name]
		archive_absolute_path = File.join(capter("cd #{fetch(:application)}; pwd").chomp, archive_relative_path)

		info archive_absolute_path
		info archive_name

		set :archive_absolute_path, archive_absolute_path
		set :archive_name, archive_name
	end
end 

task :deploy => :archive do
	archive_path = fetch :archive_absolute_path
	archive_name = fetch :archive_name
	release_path = File.join(fetch(:deploy_to), fetch(:application))

	on roles(:web) do
		unless test "[ -d #{release_path} ]"
			execute "mkdir -p #{release_path}"
		end

		upload! archive_path, release_path

		execute "cd #{relase_path}; tar -zxvf #{archive_name}"

	end
end