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query_utils.rb
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# frozen_string_literal: true require_relative "local_remote_options" require_relative "spec_fetcher" require_relative "version_option" require_relative "text" module Gem::QueryUtils include Gem::Text include Gem::LocalRemoteOptions include Gem::VersionOption def add_query_options add_option("-i", "--[no-]installed", "Check for installed gem") do |value, options| options[:installed] = value end add_option("-I", "Equivalent to --no-installed") do |value, options| options[:installed] = false end add_version_option command, "for use with --installed" add_option("-d", "--[no-]details", "Display detailed information of gem(s)") do |value, options| options[:details] = value end add_option("--[no-]versions", "Display only gem names") do |value, options| options[:versions] = value options[:details] = false unless value end add_option("-a", "--all", "Display all gem versions") do |value, options| options[:all] = value end add_option("-e", "--exact", "Name of gem(s) to query on matches the", "provided STRING") do |value, options| options[:exact] = value end add_option("--[no-]prerelease", "Display prerelease versions") do |value, options| options[:prerelease] = value end add_local_remote_options end def defaults_str # :nodoc: "--local --no-details --versions --no-installed" end def execute gem_names = if args.empty? [options[:name]] else options[:exact] ? args.map {|arg| /\A#{Regexp.escape(arg)}\Z/ } : args.map {|arg| /#{arg}/i } end terminate_interaction(check_installed_gems(gem_names)) if check_installed_gems? gem_names.each {|n| show_gems(n) } end private def check_installed_gems(gem_names) exit_code = 0 if args.empty? && !gem_name? alert_error "You must specify a gem name" exit_code = 4 elsif gem_names.count > 1 alert_error "You must specify only ONE gem!" exit_code = 4 else installed = installed?(gem_names.first, options[:version]) installed = !installed unless options[:installed] say(installed) exit_code = 1 if !installed end exit_code end def check_installed_gems? !options[:installed].nil? end def gem_name? !options[:name].nil? end def prerelease options[:prerelease] end def show_prereleases? prerelease.nil? || prerelease end def args options[:args].to_a end def display_header(type) if (ui.outs.tty? && Gem.configuration.verbose) || both? say say "*** #{type} GEMS ***" say end end #Guts of original execute def show_gems(name) show_local_gems(name) if local? show_remote_gems(name) if remote? end def show_local_gems(name, req = Gem::Requirement.default) display_header("LOCAL") specs = Gem::Specification.find_all do |s| name_matches = name ? s.name =~ name : true version_matches = show_prereleases? || !s.version.prerelease? name_matches && version_matches end spec_tuples = specs.map do |spec| [spec.name_tuple, spec] end output_query_results(spec_tuples) end def show_remote_gems(name) display_header("REMOTE") fetcher = Gem::SpecFetcher.fetcher spec_tuples = if name.nil? fetcher.detect(specs_type) { true } else fetcher.detect(specs_type) do |name_tuple| name === name_tuple.name && options[:version].satisfied_by?(name_tuple.version) end end output_query_results(spec_tuples) end def specs_type if options[:all] || options[:version].specific? if options[:prerelease] :complete else :released end elsif options[:prerelease] :prerelease else :latest end end ## # Check if gem +name+ version +version+ is installed. def installed?(name, req = Gem::Requirement.default) Gem::Specification.any? {|s| s.name =~ name && req =~ s.version } end def output_query_results(spec_tuples) output = [] versions = Hash.new {|h,name| h[name] = [] } spec_tuples.each do |spec_tuple, source| versions[spec_tuple.name] << [spec_tuple, source] end versions = versions.sort_by do |(n,_),_| n.downcase end output_versions output, versions say output.join(options[:details] ? "\n\n" : "\n") end def output_versions(output, versions) versions.each do |gem_name, matching_tuples| matching_tuples = matching_tuples.sort_by {|n,_| n.version }.reverse platforms = Hash.new {|h,version| h[version] = [] } matching_tuples.each do |n, _| platforms[n.version] << n.platform if n.platform end seen = {} matching_tuples.delete_if do |n,_| if seen[n.version] true else seen[n.version] = true false end end output << clean_text(make_entry(matching_tuples, platforms)) end end def entry_details(entry, detail_tuple, specs, platforms) return unless options[:details] name_tuple, spec = detail_tuple spec = spec.fetch_spec(name_tuple)if spec.respond_to?(:fetch_spec) entry << "\n" spec_platforms entry, platforms spec_authors entry, spec spec_homepage entry, spec spec_license entry, spec spec_loaded_from entry, spec, specs spec_summary entry, spec end def entry_versions(entry, name_tuples, platforms, specs) return unless options[:versions] list = if platforms.empty? || options[:details] name_tuples.map {|n| n.version }.uniq else platforms.sort.reverse.map do |version, pls| out = version.to_s if options[:domain] == :local default = specs.any? do |s| !s.is_a?(Gem::Source) && s.version == version && s.default_gem? end out = "default: #{out}" if default end if pls != [Gem::Platform::RUBY] platform_list = [pls.delete(Gem::Platform::RUBY), *pls.sort].compact out = platform_list.unshift(out).join(" ") end out end end entry << " (#{list.join ', '})" end def make_entry(entry_tuples, platforms) detail_tuple = entry_tuples.first name_tuples, specs = entry_tuples.flatten.partition do |item| Gem::NameTuple === item end entry = [name_tuples.first.name] entry_versions(entry, name_tuples, platforms, specs) entry_details(entry, detail_tuple, specs, platforms) entry.join end def spec_authors(entry, spec) authors = "Author#{spec.authors.length > 1 ? 's' : ''}: ".dup authors << spec.authors.join(", ") entry << format_text(authors, 68, 4) end def spec_homepage(entry, spec) return if spec.homepage.nil? || spec.homepage.empty? entry << "\n" << format_text("Homepage: #{spec.homepage}", 68, 4) end def spec_license(entry, spec) return if spec.license.nil? || spec.license.empty? licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: ".dup licenses << spec.licenses.join(", ") entry << "\n" << format_text(licenses, 68, 4) end def spec_loaded_from(entry, spec, specs) return unless spec.loaded_from if specs.length == 1 default = spec.default_gem? ? " (default)" : nil entry << "\n" << " Installed at#{default}: #{spec.base_dir}" else label = "Installed at" specs.each do |s| version = s.version.to_s version << ", default" if s.default_gem? entry << "\n" << " #{label} (#{version}): #{s.base_dir}" label = " " * label.length end end end def spec_platforms(entry, platforms) non_ruby = platforms.any? do |_, pls| pls.any? {|pl| pl != Gem::Platform::RUBY } end return unless non_ruby if platforms.length == 1 title = platforms.values.length == 1 ? "Platform" : "Platforms" entry << " #{title}: #{platforms.values.sort.join(', ')}\n" else entry << " Platforms:\n" sorted_platforms = platforms.sort_by {|version,| version } sorted_platforms.each do |version, pls| label = " #{version}: " data = format_text pls.sort.join(", "), 68, label.length data[0, label.length] = label entry << data << "\n" end end end def spec_summary(entry, spec) summary = truncate_text(spec.summary, "the summary for #{spec.full_name}") entry << "\n\n" << format_text(summary, 68, 4) end end