class Gem::Commands::SpecificationCommand
Public Class Methods
new()
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Calls superclass method
Gem::Command::new
# File rubygems/commands/specification_command.rb, line 12 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
Public Instance Methods
execute()
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# File rubygems/commands/specification_command.rb, line 74 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? && 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 && options[:format] == :ruby if local? if File.exist? gem begin specs << Gem::Package.new(gem).spec rescue StandardError nil end 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 platform = get_platform_from_requirements(options) if platform specs = specs.select {|s| s.platform.to_s == platform } end unless options[:all] specs = [specs.max_by(&: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