зеркало из https://github.com/github/ruby.git
73 строки
1.6 KiB
Ruby
73 строки
1.6 KiB
Ruby
require 'yaml'
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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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require 'rubygems/source_info_cache'
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class Gem::Commands::SpecificationCommand < 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 'specification', 'Display gem specification (in yaml)',
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:domain => :local, :version => Gem::Requirement.default
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add_version_option('examine')
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add_platform_option
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add_option('--all', 'Output specifications for all versions of',
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'the gem') do |value, options|
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options[:all] = true
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end
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add_local_remote_options
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end
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def arguments # :nodoc:
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"GEMFILE name of gem to show the gemspec for"
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end
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def defaults_str # :nodoc:
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"--local --version '#{Gem::Requirement.default}'"
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end
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def usage # :nodoc:
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"#{program_name} [GEMFILE]"
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end
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def execute
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specs = []
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gem = get_one_gem_name
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if local? then
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source_index = Gem::SourceIndex.from_installed_gems
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specs.push(*source_index.search(/\A#{gem}\z/, options[:version]))
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end
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if remote? then
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alert_warning "Remote information is not complete\n\n"
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Gem::SourceInfoCache.cache_data.each do |_,sice|
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specs.push(*sice.source_index.search(gem, options[:version]))
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end
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end
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if specs.empty? then
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alert_error "Unknown gem '#{gem}'"
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terminate_interaction 1
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end
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output = lambda { |spec| say spec.to_yaml; say "\n" }
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if options[:all] then
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specs.each(&output)
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else
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spec = specs.sort_by { |spec| spec.version }.last
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output[spec]
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end
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end
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end
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