Class: Gem::Commands::InstallCommand

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, ::Gem::Command
Instance Chain: self, ::Gem::InstallUpdateOptions, ::Gem::LocalRemoteOptions, ::Gem::VersionOption, ::Gem::Command, ::Gem::UserInteraction, ::Gem::DefaultUserInteraction
Inherits:	Gem::Command Object Gem::Command Gem::Commands::InstallCommand
Defined in:	lib/rubygems/commands/install_command.rb

Overview

::Gem installer command line tool

See gem help install

Class Attribute Summary

::Gem::Command - Inherited

.build_args	Arguments used when building gems.
.build_args=, .extra_args, .extra_args=

Class Method Summary

.new ⇒ InstallCommand constructor

::Gem::Command - Inherited

.add_common_option,
.add_specific_extra_args	Add a list of extra arguments for the given command.
.common_options,
.new	Initializes a generic gem command named `command`.
.specific_extra_args	Return an array of extra arguments for the command.
.specific_extra_args_hash	Accessor for the specific extra args hash (self initializing).

Instance Attribute Summary

::Gem::LocalRemoteOptions - Included

#both?	Is fetching of local and remote information enabled?
#local?	Is local fetching enabled?
#remote?	Is remote fetching enabled?

::Gem::Command - Inherited

#defaults	The default options for the command.
#program_name	The name of the command for command-line invocation.
#summary	A short description of the command.
#command	The name of the command.
#options	The options for the command.

::Gem::DefaultUserInteraction - Included

#ui	See DefaultUserInteraction.ui
#ui=	See DefaultUserInteraction.ui=

Instance Method Summary

#execute

::Gem::InstallUpdateOptions - Included

#add_install_update_options	Add the install/update options to the option parser.
#install_update_defaults_str	Default options for the gem install command.

::Gem::LocalRemoteOptions - Included

#accept_uri_http	Allows OptionParser to handle HTTP URIs.
#add_bulk_threshold_option	Add the –bulk-threshold option.
#add_clear_sources_option	Add the –clear-sources option.
#add_local_remote_options	Add local/remote options to the command line parser.
#add_proxy_option	Add the –http-proxy option.
#add_source_option	Add the –source option.
#add_update_sources_option	Add the –update-sources option.

::Gem::VersionOption - Included

#add_platform_option	Add the –platform option to the option parser.
#add_prerelease_option	Add the –prerelease option to the option parser.
#add_version_option	Add the –version option to the option parser.

::Gem::Command - Inherited

#add_extra_args	Adds extra args from ~/.gemrc.
#add_option	Add a command-line option and handler to the command.
#arguments	Override to provide details of the arguments a command takes.
#begins?	True if `long` begins with the characters from `short`.
#defaults_str	Override to display the default values of the command options.
#description	Override to display a longer description of what this command does.
#execute	Override to provide command handling.
#get_all_gem_names	Get all gem names from the command line.
#get_all_gem_names_and_versions	Get all [gem, version] from the command line.
#get_one_gem_name	Get a single gem name from the command line.
#get_one_optional_argument	Get a single optional argument from the command line.
#handle_options	Handle the given list of arguments by parsing them and recording the results.
#handles?	True if the command handles the given argument list.
#invoke	Invoke the command with the given list of arguments.
#invoke_with_build_args	Invoke the command with the given list of normal arguments and additional build arguments.
#merge_options	Merge a set of command options with the set of default options (without modifying the default option hash).
#remove_option	Remove previously defined command-line argument `name`.
#show_help	Display the help message for the command.
#show_lookup_failure	Display to the user that a gem couldn't be found and reasons why.
#usage	Override to display the usage for an individual gem command.
#when_invoked	Call the given block when invoked.
#add_parser_run_info	Adds a section with `title` and `content` to the parser help view.
#configure_options,
#create_option_parser	Creates an option parser and fills it in with the help info for the command.
#parser	Create on demand parser.
#wrap	Wraps `text` to `width`

::Gem::UserInteraction - Included

#alert	Displays an alert `statement`.
#alert_error	Displays an error `statement` to the error output location.
#alert_warning	Displays a warning `statement` to the warning output location.
#ask	Asks a `question` and returns the answer.
#ask_for_password	Asks for a password with a `prompt`
#ask_yes_no	Asks a yes or no `question`.
#choose_from_list	Asks the user to answer `question` with an answer from the given `list`.
#say	Displays the given `statement` on the standard output (or equivalent).
#terminate_interaction	Terminates the RubyGems process with the given `exit_code`
#verbose	Calls `say` with `msg` or the results of the block if really_verbose is true.

::Gem::DefaultUserInteraction - Included

#use_ui

See DefaultUserInteraction.use_ui

Constructor Details

.new ⇒ `InstallCommand`

[ GitHub ]

# File 'lib/rubygems/commands/install_command.rb', line 22


def initialize
  defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge({
    :format_executable => false,
    :lock              => true,
    :suggest_alternate => true,
    :version           => Gem::Requirement.default,
    :without_groups    => [],
  })

  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|
    v = Gem::GEM_DEP_FILES.find do |file|
      File.exist? file
    end unless v

    unless v then
      message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ', '})"

      raise OptionParser::InvalidArgument,
              "cannot find gem dependencies file #{message}"
    end

    o[:gemdeps] = v
  end

  add_option(:"Install/Update", '--without GROUPS', Array,
             'Omit the named groups (comma separated)',
             'when installing from a gem dependencies',
             'file') do |v,o|
    o[:without_groups].concat v.map { |without| without.intern }
  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

  add_option(:"Install/Update", '--explain',
             'Rather than install the gems, indicate which would',
             'be installed') do |v,o|
    o[:explain] = v
  end

  add_option(:"Install/Update", '--[no-]lock',
             'Create a lock file (when used with -g/--file)') do |v,o|
    o[:lock] = v
  end

  add_option(:"Install/Update", '--[no-]suggestions',
             'Suggest alternates when gems are not found') do |v,o|
    o[:suggest_alternate] = v
  end

  @installed_specs = []
end

Instance Method Details

#execute

[ GitHub ]

# File 'lib/rubygems/commands/install_command.rb', line 188


def execute
  if options.include? :gemdeps then
    install_from_gemdeps
    return # not reached
  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

  terminate_interaction exit_code
end

Class: Gem::Commands::InstallCommand

Overview

Class Attribute Summary

::Gem::Command - Inherited

Class Method Summary

::Gem::Command - Inherited

Instance Attribute Summary

::Gem::LocalRemoteOptions - Included

::Gem::Command - Inherited

::Gem::DefaultUserInteraction - Included

Instance Method Summary

::Gem::InstallUpdateOptions - Included

::Gem::LocalRemoteOptions - Included

::Gem::VersionOption - Included

::Gem::Command - Inherited

::Gem::UserInteraction - Included

::Gem::DefaultUserInteraction - Included

Constructor Details

.new ⇒ InstallCommand

Instance Method Details

#execute

.new ⇒ `InstallCommand`