Contents

# encoding: utf-8
module FeduxOrgStdlib
  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

    alias_method :with_environment, :isolated_environment
  end
end

Version data entries

64 entries across 64 versions & 1 rubygems

Version	Path
fedux_org-stdlib-0.7.21	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.20	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.19	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.18	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.17	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.16	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.15	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.14	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.12	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.11	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.10	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.8	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.7	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.6	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.5	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.4	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.3	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.2	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.1	lib/fedux_org_stdlib/environment.rb
fedux_org-stdlib-0.7.0	lib/fedux_org_stdlib/environment.rb