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ðŸ“„ build_command.rb(1.25 KB)
ðŸ“„ cert_command.rb(2.74 KB)
ðŸ“„ check_command.rb(1.64 KB)
ðŸ“„ cleanup_command.rb(2.59 KB)
ðŸ“„ contents_command.rb(2.59 KB)
ðŸ“„ dependency_command.rb(4.19 KB)
ðŸ“„ environment_command.rb(3.9 KB)
ðŸ“„ fetch_command.rb(1.85 KB)
ðŸ“„ generate_index_command.rb(3.86 KB)
ðŸ“„ help_command.rb(4.43 KB)
ðŸ“„ install_command.rb(4.83 KB)
ðŸ“„ list_command.rb(696 B)
ðŸ“„ lock_command.rb(2.67 KB)
ðŸ“„ outdated_command.rb(785 B)
ðŸ“„ owner_command.rb(1.7 KB)
ðŸ“„ pristine_command.rb(3.2 KB)
ðŸ“„ push_command.rb(1.31 KB)
ðŸ“„ query_command.rb(7.38 KB)
ðŸ“„ rdoc_command.rb(2.24 KB)
ðŸ“„ search_command.rb(582 B)
ðŸ“„ server_command.rb(2.35 KB)
ðŸ“„ setup_command.rb(9.45 KB)
ðŸ“„ sources_command.rb(3.27 KB)
ðŸ“„ specification_command.rb(3.04 KB)
ðŸ“„ stale_command.rb(704 B)
ðŸ“„ uninstall_command.rb(2.49 KB)
ðŸ“„ unpack_command.rb(4.03 KB)
ðŸ“„ update_command.rb(6.04 KB)
ðŸ“„ which_command.rb(1.87 KB)

Editing: specification_command.rb

require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/version_option'
require 'rubygems/format'

class Gem::Commands::SpecificationCommand < Gem::Command

include Gem::LocalRemoteOptions
  include Gem::VersionOption

def initialize
    Gem.load_yaml

super 'specification', 'Display gem specification (in yaml)',
          :domain => :local, :version => Gem::Requirement.default,
          :format => :yaml

add_version_option('examine')
    add_platform_option

add_option('--all', 'Output specifications for all versions of',
               'the gem') do |value, options|
      options[:all] = true
    end

add_option('--ruby', 'Output ruby format') do |value, options|
      options[:format] = :ruby
    end

add_option('--yaml', 'Output RUBY format') do |value, options|
      options[:format] = :yaml
    end

add_option('--marshal', 'Output Marshal format') do |value, options|
      options[:format] = :marshal
    end

add_local_remote_options
  end

def arguments # :nodoc:
    <<-ARGS
GEMFILE       name of gem to show the gemspec for
FIELD         name of gemspec field to show
    ARGS
  end

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

def usage # :nodoc:
    "#{program_name} [GEMFILE] [FIELD]"
  end

def execute
    specs = []
    gem = options[:args].shift

unless gem then
      raise Gem::CommandLineError,
            "Please specify a gem name or file on the command line"
    end

case options[:version]
    when String
      req = Gem::Requirement.parse options[:version]
    when Gem::Requirement
      req = options[:version]
    else
      raise Gem::CommandLineError, "Unsupported version type: #{options[:version]}"
    end

if !req.none? and options[:all]
      alert_error "Specify --all or -v, not both"
      terminate_interaction 1
    end

if options[:all]
      dep = Gem::Dependency.new gem
    else
      dep = Gem::Dependency.new gem, options[:version]
    end

field = get_one_optional_argument

raise Gem::CommandLineError, "--ruby and FIELD are mutually exclusive" if
      field and options[:format] == :ruby

if local? then
      if File.exist? gem then
        specs << Gem::Format.from_file_by_path(gem).spec rescue nil
      end

if specs.empty? then
        specs.push(*dep.matching_specs)
      end
    end

if remote? then
      found = Gem::SpecFetcher.fetcher.fetch dep, true

if dep.prerelease? or options[:prerelease]
        found += Gem::SpecFetcher.fetcher.fetch dep, false, true, true
      end

specs.push(*found.map { |spec,| spec })
    end

if specs.empty? then
      alert_error "Unknown gem '#{gem}'"
      terminate_interaction 1
    end

unless options[:all] then
      specs = [specs.sort_by { |s| s.version }.last]
    end

specs.each do |s|
      s = s.send field if field

say case options[:format]
          when :ruby then s.to_ruby
          when :marshal then Marshal.dump s
          else s.to_yaml
          end

say "\n"
    end
  end
end

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