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  • rubygems/commands/fetch_command.rb

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Gem::Commands::FetchCommand

Public Class Methods

new() click to toggle source
 
               # File rubygems/commands/fetch_command.rb, line 10
def initialize
  super 'fetch', 'Download a gem and place it in the current directory'

  add_bulk_threshold_option
  add_proxy_option
  add_source_option
  add_clear_sources_option

  add_version_option
  add_platform_option
  add_prerelease_option
end
            

Public Instance Methods

execute() click to toggle source
 
               # File rubygems/commands/fetch_command.rb, line 35
def execute
  version = options[:version] || Gem::Requirement.default

  platform  = Gem.platforms.last
  gem_names = get_all_gem_names

  gem_names.each do |gem_name|
    dep = Gem::Dependency.new gem_name, version
    dep.prerelease = options[:prerelease]

    specs_and_sources, errors = Gem::SpecFetcher.fetcher.spec_for_dependency dep

    if platform then
      filtered = specs_and_sources.select { |s,| s.platform == platform }
      specs_and_sources = filtered unless filtered.empty?
    end

    spec, source = specs_and_sources.max_by { |s,| s.version }

    if spec.nil? then
      show_lookup_failure gem_name, version, errors, options[:domain]
      next
    end

    source.download spec

    say "Downloaded #{spec.full_name}"
  end
end