Contents

module FeduxOrg
  module Stdlib
    module Environment

      # Set environment variable for code block
      #
      # @param [Hash] new_environment_variables
      #   the variables which should be set for that environment
      #
      # @param [Hash] options
      #   options for environment manipulation
      #
      # @option options [True,False] :clear
      #   Should the environment clear before merge? 
      #
      # @yield
      #   the block which should be run which the change environment
      def isolated_environment(new_environment_variables, options={}, &block)
        old_environment = ENV.to_hash

        ENV.clear if options[:clear] == true
        ENV.update new_environment_variables

        block.call
      ensure
        ENV.clear 
        ENV.update old_environment
      end
    end
  end
end

Version data entries

12 entries across 12 versions & 1 rubygems

Version	Path
fedux_org-stdlib-0.3.2	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.3.0	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.2.1	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.1.3	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.1.2	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.1.1	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.1.0	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.0.39	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.0.38	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.0.37	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.0.36	lib/fedux_org/stdlib/environment.rb
fedux_org-stdlib-0.0.35	lib/fedux_org/stdlib/environment.rb