Class: Gem::Commands::SourcesCommand

Inherits:
Gem::Command show all
Includes:
LocalRemoteOptions
Defined in:
lib/rubygems/commands/sources_command.rb

Instance Attribute Summary

Attributes inherited from Gem::Command

#command, #defaults, #options, #program_name, #summary

Instance Method Summary collapse

Methods included from LocalRemoteOptions

#accept_uri_http, #add_bulk_threshold_option, #add_clear_sources_option, #add_local_remote_options, #add_proxy_option, #add_source_option, #add_update_sources_option, #both?, #local?, #remote?

Methods inherited from Gem::Command

add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #arguments, #begins?, build_args, build_args=, common_options, #description, extra_args, extra_args=, #get_all_gem_names, #get_all_gem_names_and_versions, #get_one_gem_name, #get_one_optional_argument, #handle_options, #handles?, #invoke, #invoke_with_build_args, #merge_options, #remove_option, #show_help, #show_lookup_failure, specific_extra_args, specific_extra_args_hash, #usage, #when_invoked

Methods included from UserInteraction

#alert, #alert_error, #alert_warning, #ask, #ask_for_password, #ask_yes_no, #choose_from_list, #say, #terminate_interaction

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Constructor Details

#initialize ⇒ SourcesCommand

Returns a new instance of SourcesCommand.



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# File 'lib/rubygems/commands/sources_command.rb', line 10

def initialize
  require 'fileutils'

  super 'sources',
        'Manage the sources and cache file RubyGems uses to search for gems'

  add_option '-a', '--add SOURCE_URI', 'Add source' do |value, options|
    options[:add] = value
  end

  add_option '-l', '--list', 'List sources' do |value, options|
    options[:list] = value
  end

  add_option '-r', '--remove SOURCE_URI', 'Remove source' do |value, options|
    options[:remove] = value
  end

  add_option '-c', '--clear-all',
             'Remove all sources (clear the cache)' do |value, options|
    options[:clear_all] = value
  end

  add_option '-u', '--update', 'Update source cache' do |value, options|
    options[:update] = value
  end

  add_proxy_option
end

Instance Method Details

#defaults_str ⇒ Object 



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# File 'lib/rubygems/commands/sources_command.rb', line 40

def defaults_str
  '--list'
end

#execute ⇒ Object 



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# File 'lib/rubygems/commands/sources_command.rb', line 44

def execute
  options[:list] = !(options[:add] ||
                     options[:clear_all] ||
                     options[:remove] ||
                     options[:update])

  if options[:clear_all] then
    path = File.join Gem.user_home, '.gem', 'specs'
    FileUtils.rm_rf path

    unless File.exist? path then
      say "*** Removed specs cache ***"
    else
      unless File.writable? path then
        say "*** Unable to remove source cache (write protected) ***"
      else
        say "*** Unable to remove source cache ***"
      end

      terminate_interaction 1
    end
  end

  if source_uri = options[:add] then
    source = Gem::Source.new source_uri

    begin
      if Gem.sources.include? source_uri then
        say "source #{source_uri} already present in the cache"
      else
        source.load_specs :released
        Gem.sources << source
        Gem.configuration.write

        say "#{source_uri} added to sources"
      end
    rescue URI::Error, ArgumentError
      say "#{source_uri} is not a URI"
      terminate_interaction 1
    rescue Gem::RemoteFetcher::FetchError => e
      say "Error fetching #{source_uri}:\n\t#{e.message}"
      terminate_interaction 1
    end
  end

  if options[:remove] then
    source_uri = options[:remove]

    unless Gem.sources.include? source_uri then
      say "source #{source_uri} not present in cache"
    else
      Gem.sources.delete source_uri
      Gem.configuration.write

      say "#{source_uri} removed from sources"
    end
  end

  if options[:update] then
    Gem.sources.each_source do |src|
      src.load_specs :released
      src.load_specs :latest
    end

    say "source cache successfully updated"
  end

  if options[:list] then
    say "*** CURRENT SOURCES ***"
    say

    Gem.sources.each do |src|
      say src
    end
  end
end