Gem installer command line tool
See `gem help install`
# File lib/rubygems/commands/install_command.rb, line 21 def initialize defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge({ :format_executable => false, :version => Gem::Requirement.default, }) super 'install', 'Install a gem into the local repository', defaults add_install_update_options add_local_remote_options add_platform_option add_version_option add_prerelease_option "to be installed. (Only for listed gems)" add_option(:"Install/Update", '-g', '--file FILE', 'Read from a gem dependencies API file and', 'install the listed gems') do |v,o| o[:gemdeps] = v end add_option(:"Install/Update", '--default', 'Add the gem\s full specification to', 'specifications/default and extract only its bin') do |v,o| o[:install_as_default] = v end @installed_specs = nil end
# File lib/rubygems/commands/install_command.rb, line 131 def execute if gf = options[:gemdeps] then install_from_gemdeps gf return end @installed_specs = [] ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9' check_install_dir check_version load_hooks exit_code = install_gems show_installed raise Gem::SystemExitException, exit_code end