зеркало из https://github.com/github/ruby.git
79 строки
1.8 KiB
Ruby
79 строки
1.8 KiB
Ruby
# frozen_string_literal: true
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require 'rubygems/command'
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require 'rubygems/local_remote_options'
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require 'rubygems/version_option'
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class Gem::Commands::FetchCommand < Gem::Command
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include Gem::LocalRemoteOptions
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include Gem::VersionOption
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def initialize
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super 'fetch', 'Download a gem and place it in the current directory'
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add_bulk_threshold_option
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add_proxy_option
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add_source_option
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add_clear_sources_option
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add_version_option
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add_platform_option
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add_prerelease_option
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end
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def arguments # :nodoc:
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'GEMNAME name of gem to download'
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end
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def defaults_str # :nodoc:
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"--version '#{Gem::Requirement.default}'"
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end
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def description # :nodoc:
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<<-EOF
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The fetch command fetches gem files that can be stored for later use or
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unpacked to examine their contents.
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See the build command help for an example of unpacking a gem, modifying it,
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then repackaging it.
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EOF
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end
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def usage # :nodoc:
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"#{program_name} GEMNAME [GEMNAME ...]"
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end
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def execute
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version = options[:version] || Gem::Requirement.default
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platform = Gem.platforms.last
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gem_names = get_all_gem_names
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gem_names.each do |gem_name|
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dep = Gem::Dependency.new gem_name, version
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dep.prerelease = options[:prerelease]
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specs_and_sources, errors =
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Gem::SpecFetcher.fetcher.spec_for_dependency dep
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if platform then
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filtered = specs_and_sources.select { |s,| s.platform == platform }
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specs_and_sources = filtered unless filtered.empty?
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end
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spec, source = specs_and_sources.max_by { |s,| s.version }
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if spec.nil? then
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show_lookup_failure gem_name, version, errors, options[:domain]
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next
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end
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source.download spec
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say "Downloaded #{spec.full_name}"
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end
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end
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end
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