Class: Gem::Commands::RequireCommand

Inherits:
Gem::Command
  • Object
show all
Includes:
InstallUpdateOptions, LocalRemoteOptions, VersionOption
Defined in:
lib/rubygems/commands/require_command.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RequireCommand

Returns a new instance of RequireCommand.



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# File 'lib/rubygems/commands/require_command.rb', line 14

def initialize
  defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge(
  {
    :generate_rdoc     => true,
    :generate_ri       => true,
    :format_executable => false,
    :test              => false,
    :version           => Gem::Requirement.default,
    :latest            => false,
  }
  )

  super 'require', 'Install or update a gem', defaults

  add_option('--latest',
             'Get the latest matching version') do |value, options|
    options[:latest] = true
  end

  add_install_update_options
  add_local_remote_options

  add_version_option
  add_platform_option
  add_prerelease_option

end

Instance Method Details

#arguments ⇒ Object

:nodoc:



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# File 'lib/rubygems/commands/require_command.rb', line 42

def arguments # :nodoc:
  "GEMNAME       name of required gem"
end

#defaults_str ⇒ Object

:nodoc:



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# File 'lib/rubygems/commands/require_command.rb', line 46

def defaults_str # :nodoc:
  "--version '#{Gem::Requirement.default}' --rdoc --ri --no-force\n" \
  "--no-test --install-dir #{Gem.dir}"
end

#description ⇒ Object

:nodoc:



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# File 'lib/rubygems/commands/require_command.rb', line 51

def description # :nodoc:
  <<-EOF
The require command checks whether the specified gems are installed,
and installs them if necessary.
  EOF
end

#execute ⇒ Object 



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# File 'lib/rubygems/commands/require_command.rb', line 62

def execute
  exit_code = 0

  version = options[:version]
  get_all_gem_names.each do |name|
    begin
      require_gem(name, version, options)
    rescue Gem::InstallError => e
      alert_error "Error installing #{name}:\n\t#{e.message}"
      exit_code |= 1
    rescue Gem::GemNotFoundException => e
      show_lookup_failure e.name, e.version, e.errors, options[:domain]
      exit_code |= 2
    end
  end

  exit(exit_code)

end

#usage ⇒ Object

:nodoc:



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# File 'lib/rubygems/commands/require_command.rb', line 58

def usage # :nodoc:
  "#{program_name} GEMNAME [GEMNAME ...] [options]"
end