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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 11
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_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
  all = Gem::Requirement.default != version

  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 = Gem::SpecFetcher.fetcher.fetch(dep, all, true,
                                                       dep.prerelease?)

    specs_and_sources, errors =
      Gem::SpecFetcher.fetcher.fetch_with_errors(dep, all, true,
                                                 dep.prerelease?)

    spec, source_uri = specs_and_sources.sort_by { |s,| s.version }.last

    if spec.nil? then
      show_lookup_failure gem_name, version, errors
      next
    end

    path = Gem::RemoteFetcher.fetcher.download spec, source_uri
    FileUtils.mv path, spec.file_name

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

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