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Class: Gem::GemRunner

Relationships & Source Files
Inherits: Object
Defined in: lib/rubygems/gem_runner.rb

Overview

Run an instance of the gem program.

GemRunner is only intended for internal use by RubyGems itself. It does not form any public API and may change at any time for any reason.

If you would like to duplicate functionality of gem commands, use the classes they call directly.

Class Method Summary

Instance Method Summary

Constructor Details

.newGemRunner

[ GitHub ]

  
# File 'lib/rubygems/gem_runner.rb', line 22

def initialize
  @command_manager_class = Gem::CommandManager
  @config_file_class = Gem::ConfigFile
end

Instance Method Details

#do_configuration(args) (private)

[ GitHub ]

  
# File 'lib/rubygems/gem_runner.rb', line 70

def do_configuration(args)
  Gem.configuration = @config_file_class.new(args)
  Gem.use_paths Gem.configuration[:gemhome], Gem.configuration[:gempath]
  Gem::Command.extra_args = Gem.configuration[:gem]
end

#extract_build_args(args)

This method is for internal use only.

Separates the build arguments (those following --) from the other arguments in the list.

[ GitHub ]

  
# File 'lib/rubygems/gem_runner.rb', line 58

def extract_build_args(args) # :nodoc:
  return [] unless offset = args.index("--")

  build_args = args.slice!(offset...args.length)

  build_args.shift

  build_args
end

#run(args)

Run the gem command with the following arguments.

[ GitHub ]

  
# File 'lib/rubygems/gem_runner.rb', line 30

def run(args)
  build_args = extract_build_args args

  do_configuration args

  Gem.load_env_plugins rescue nil
  Gem.load_plugins

  cmd = @command_manager_class.instance

  cmd.command_names.each do |command_name|
    config_args = Gem.configuration[command_name]
    config_args = case config_args
    when String
      config_args.split " "
    else
      Array(config_args)
    end
    Gem::Command.add_specific_extra_args command_name, config_args
  end

  cmd.run Gem.configuration.args, build_args
end