lib/rubygems/gem_runner.rb

   1 #--
   2 # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
   3 # All rights reserved.
   4 # See LICENSE.txt for permissions.
   5 #++
   6
   7 require 'rubygems/command_manager'
   8 require 'rubygems/config_file'
   9 require 'rubygems/doc_manager'
  10
  11 module Gem
  12
  13   ####################################################################
  14   # Run an instance of the gem program.
  15   #
  16   class GemRunner
  17
  18     def initialize(options={})
  19       @command_manager_class = options[:command_manager] || Gem::CommandManager
  20       @config_file_class = options[:config_file] || Gem::ConfigFile
  21       @doc_manager_class = options[:doc_manager] || Gem::DocManager
  22     end
  23
  24     # Run the gem command with the following arguments.
  25     def run(args)
  26       start_time = Time.now
  27       do_configuration(args)
  28       cmd = @command_manager_class.instance
  29       cmd.command_names.each do |command_name|
  30         config_args = Gem.configuration[command_name]
  31         config_args = case config_args
  32                       when String
  33                         config_args.split ' '
  34                       else
  35                         Array(config_args)
  36                       end
  37         Command.add_specific_extra_args command_name, config_args
  38       end
  39       cmd.run(Gem.configuration.args)
  40       end_time = Time.now
  41       if Gem.configuration.benchmark
  42         printf "\nExecution time: %0.2f seconds.\n", end_time-start_time
  43         puts "Press Enter to finish"
  44         STDIN.gets
  45       end
  46     end
  47
  48     private
  49
  50     def do_configuration(args)
  51       Gem.configuration = @config_file_class.new(args)
  52       Gem.use_paths(Gem.configuration[:gemhome], Gem.configuration[:gempath])
  53       Gem::Command.extra_args = Gem.configuration[:gem]
  54       @doc_manager_class.configured_args = Gem.configuration[:rdoc]
  55     end
  56
  57   end # class
  58 end # module