Contents

module Geordi
  class CapistranoConfig

    attr_accessor :root

    def initialize(stage)
      self.stage = stage
      self.root = find_project_root!
      load_deploy_info
    end

    def user(server)
      cap2user = deploy_info[ /^\s*set\s*:user,\s*['"](.*?)['"]/, 1 ]
      cap2user || deploy_info[ /^\s*server\s*['"]#{ server }['"],.*user.{1,4}['"](.*?)['"]/m, 1 ]
    end

    def servers
      deploy_info.scan(/^\s*server\s*['"](.*?)['"]/).flatten
    end

    def primary_server
      # Actually, servers may have a :primary property. From Capistrano 3, the
      # first listed server is the primary one by default, which is a good-
      # enough default for us.
      servers.first
    end

    def remote_root
      File.join deploy_info[ /^\s*set\s*:deploy_to,\s*['"](.*?)['"]/, 1 ], 'current'
    end

    def env
      deploy_info[ /^\s*set\s*:rails_env,\s*['"](.*?)['"]/, 1 ]
    end

    def shell
      'bash --login'
    end

    private

    attr_accessor :deploy_info, :stage

    def load_deploy_info
      self.deploy_info = ''

      if stage
        deploy_info << File.read(File.join root, "config/deploy/#{ stage }.rb")
        deploy_info << "\n"
      end

      deploy_info << File.read(File.join root, 'config/deploy.rb')
    end

    def find_project_root!
      current = ENV['RAILS_ROOT'] || Dir.pwd

      until File.exists?(File.join(current, 'Capfile'))
        if current == '/' || current == '/home' || !File.directory?(current)
          raise <<-ERROR
  Could not locate Capfile.

  Are you calling me from within a Rails project?
  Maybe Capistrano is not installed in this project.
          ERROR
        else
          current = File.dirname(current)
        end
      end

      current
    end

  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
geordi-2.12.3	lib/geordi/capistrano_config.rb
geordi-2.12.2	lib/geordi/capistrano_config.rb
geordi-2.12.1	lib/geordi/capistrano_config.rb
geordi-2.12.0	lib/geordi/capistrano_config.rb
geordi-2.11.0	lib/geordi/capistrano_config.rb