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Name	Size	Permission
build_command.rb	2.64 KB	-rw-r--r--
cert_command.rb	9.02 KB	-rw-r--r--
check_command.rb	2.23 KB	-rw-r--r--
cleanup_command.rb	4.49 KB	-rw-r--r--
contents_command.rb	4.05 KB	-rw-r--r--
dependency_command.rb	5.14 KB	-rw-r--r--
environment_command.rb	5.04 KB	-rw-r--r--
fetch_command.rb	1.77 KB	-rw-r--r--
generate_index_command.rb	2.91 KB	-rw-r--r--
help_command.rb	10.14 KB	-rw-r--r--
info_command.rb	715 B	-rw-r--r--
install_command.rb	7.42 KB	-rw-r--r--
list_command.rb	939 B	-rw-r--r--
lock_command.rb	2.69 KB	-rw-r--r--
mirror_command.rb	625 B	-rw-r--r--
open_command.rb	1.96 KB	-rw-r--r--
outdated_command.rb	853 B	-rw-r--r--
owner_command.rb	2.72 KB	-rw-r--r--
pristine_command.rb	5.38 KB	-rw-r--r--
push_command.rb	3.61 KB	-rw-r--r--
query_command.rb	9.33 KB	-rw-r--r--
rdoc_command.rb	2.47 KB	-rw-r--r--
search_command.rb	884 B	-rw-r--r--
server_command.rb	2.38 KB	-rw-r--r--
setup_command.rb	18.16 KB	-rw-r--r--
signin_command.rb	891 B	-rw-r--r--
signout_command.rb	896 B	-rw-r--r--
sources_command.rb	5.5 KB	-rw-r--r--
specification_command.rb	3.27 KB	-rw-r--r--
stale_command.rb	964 B	-rw-r--r--
uninstall_command.rb	5.64 KB	-rw-r--r--
unpack_command.rb	4.44 KB	-rw-r--r--
update_command.rb	7.06 KB	-rw-r--r--
which_command.rb	2.09 KB	-rw-r--r--
yank_command.rb	2.42 KB	-rw-r--r--

Code Editor : specification_command.rb

# frozen_string_literal: true
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/version_option'
require 'rubygems/package'

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_prerelease_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 YAML 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 description # :nodoc:
    <<-EOF
The specification command allows you to extract the specification from
a gem for examination.

The specification can be output in YAML, ruby or Marshal formats.

Specific fields in the specification can be extracted in YAML format:

$ gem spec rake summary
  --- Ruby based make-like utility.
  ...

EOF
  end

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

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

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

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

field = get_one_optional_argument

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

if local?
      if File.exist? gem
        specs << Gem::Package.new(gem).spec rescue nil
      end

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

if remote?
      dep.prerelease = options[:prerelease]
      found, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dep

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

if specs.empty?
      alert_error "No gem matching '#{dep}' found"
      terminate_interaction 1
    end

unless options[:all]
      specs = [specs.max_by { |s| s.version }]
    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

${this.title}

Code Editor : specification_command.rb