Module: Toque::Helpers

Defined in:
lib/toque/helpers.rb

Overview

Toque helpers

Class Method Summary collapse

Class Method Details

.load_into(configuration) ⇒ Object 



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# File 'lib/toque/helpers.rb', line 6

def self.load_into(configuration)
  configuration.load do

    namespace :toque do

      # Set toque default variable.
      #
      def set_default(variable, *args, &block)
        @_toque_variables ||= []
        @_toque_overridden ||= []
        @_toque_variables << variable
        if exists? variable
          @_toque_overridden << variable
        else
          set variable, *args, &block
        end
      end

      # Return toque remote working directory.
      #
      def pwd(*path)
        File.join(fetch(:toque_pwd).to_s, *path.map(&:to_s))
      end
      set_default :toque_pwd, '/tmp/toque'

      # Return toque remote working directory. Will be created remotely if not existing.
      #
      def pwd!(*path)
        run "mkdir -p #{pwd = pwd(*path)}"
        pwd
      end

      # Search if curl is present
      #
      def curl?
        run 'curl'
        true
      rescue ::Capistrano::CommandError
        false
      end

      # Install curl if not present
      #
      def require_curl
        sudo 'apt-get install --no-install-recommends -yq curl' unless curl?
      end

      desc 'List current toque configuration'
      task :config do
        @_toque_variables.sort_by(&:to_s).each do |name|
          display_name = ":#{name},".ljust(30)
          if variables[name].is_a?(Proc)
            value = "<block>"
          else
            value = fetch(name).inspect
            value = "#{value[0..40]}... (truncated)" if value.length > 40
          end
          overridden = @_toque_overridden.include?(name) ? " (overridden)" : ""
          puts "set #{display_name} #{value}#{overridden}"
        end
      end

    end
  end
end