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Name	Size	Permission
build_command.rb	2.93 KB	-rw-r--r--
cert_command.rb	9.13 KB	-rw-r--r--
check_command.rb	2.29 KB	-rw-r--r--
cleanup_command.rb	4.27 KB	-rw-r--r--
contents_command.rb	4.31 KB	-rw-r--r--
dependency_command.rb	5.08 KB	-rw-r--r--
environment_command.rb	5.45 KB	-rw-r--r--
exec_command.rb	6.95 KB	-rw-r--r--
fetch_command.rb	2.65 KB	-rw-r--r--
generate_index_command.rb	1.73 KB	-rw-r--r--
help_command.rb	10.16 KB	-rw-r--r--
info_command.rb	834 B	-rw-r--r--
install_command.rb	7.29 KB	-rw-r--r--
list_command.rb	997 B	-rw-r--r--
lock_command.rb	2.69 KB	-rw-r--r--
mirror_command.rb	627 B	-rw-r--r--
open_command.rb	1.9 KB	-rw-r--r--
outdated_command.rb	864 B	-rw-r--r--
owner_command.rb	3.36 KB	-rw-r--r--
pristine_command.rb	6.69 KB	-rw-r--r--
push_command.rb	3.24 KB	-rw-r--r--
query_command.rb	1.21 KB	-rw-r--r--
rdoc_command.rb	2.2 KB	-rw-r--r--
rebuild_command.rb	7.28 KB	-rw-r--r--
search_command.rb	962 B	-rw-r--r--
server_command.rb	649 B	-rw-r--r--
setup_command.rb	17.78 KB	-rw-r--r--
signin_command.rb	896 B	-rw-r--r--
signout_command.rb	898 B	-rw-r--r--
sources_command.rb	5.75 KB	-rw-r--r--
specification_command.rb	3.46 KB	-rw-r--r--
stale_command.rb	965 B	-rw-r--r--
uninstall_command.rb	5.86 KB	-rw-r--r--
unpack_command.rb	4.14 KB	-rw-r--r--
update_command.rb	8.3 KB	-rw-r--r--
which_command.rb	2.09 KB	-rw-r--r--
yank_command.rb	2.35 KB	-rw-r--r--

Code Editor : fetch_command.rb

# frozen_string_literal: true

require_relative "../command"
require_relative "../local_remote_options"
require_relative "../version_option"

class Gem::Commands::FetchCommand < Gem::Command
  include Gem::LocalRemoteOptions
  include Gem::VersionOption

def initialize
    defaults = {
      suggest_alternate: true,
      version: Gem::Requirement.default,
    }

super "fetch", "Download a gem and place it in the current directory", defaults

add_bulk_threshold_option
    add_proxy_option
    add_source_option
    add_clear_sources_option

add_version_option
    add_platform_option
    add_prerelease_option

add_option "--[no-]suggestions", "Suggest alternates when gems are not found" do |value, options|
      options[:suggest_alternate] = value
    end
  end

def arguments # :nodoc:
    "GEMNAME       name of gem to download"
  end

def defaults_str # :nodoc:
    "--version '#{Gem::Requirement.default}'"
  end

def description # :nodoc:
    <<-EOF
The fetch command fetches gem files that can be stored for later use or
unpacked to examine their contents.

See the build command help for an example of unpacking a gem, modifying it,
then repackaging it.
    EOF
  end

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

def check_version # :nodoc:
    if options[:version] != Gem::Requirement.default &&
       get_all_gem_names.size > 1
      alert_error "Can't use --version with multiple gems. You can specify multiple gems with" \
                  " version requirements using `gem fetch 'my_gem:1.0.0' 'my_other_gem:~>2.0.0'`"
      terminate_interaction 1
    end
  end

def execute
    check_version

exit_code = fetch_gems

terminate_interaction exit_code
  end

private

def fetch_gems
    exit_code = 0

version = options[:version]

platform  = Gem.platforms.last
    gem_names = get_all_gem_names_and_versions

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

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

if platform
        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 }

if spec.nil?
        show_lookup_failure gem_name, gem_version, errors, suppress_suggestions, options[:domain]
        exit_code |= 2
        next
      end
      source.download spec
      say "Downloaded #{spec.full_name}"
    end

exit_code
  end
end

${this.title}

Code Editor : fetch_command.rb