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# frozen_string_literal: true require 'rubygems/command' class Gem::Commands::EnvironmentCommand < Gem::Command def initialize super 'environment', 'Display information about the RubyGems environment' end def arguments # :nodoc: args = <<-EOF packageversion display the package version gemdir display the path where gems are installed gempath display path used to search for gems version display the gem format version remotesources display the remote gem servers platform display the supported gem platforms <omitted> display everything EOF return args.gsub(/^\s+/, '') end def description # :nodoc: <<-EOF The environment command lets you query rubygems for its configuration for use in shell scripts or as a debugging aid. The RubyGems environment can be controlled through command line arguments, gemrc files, environment variables and built-in defaults. Command line argument defaults and some RubyGems defaults can be set in a ~/.gemrc file for individual users and a gemrc in the SYSTEM CONFIGURATION DIRECTORY for all users. These files are YAML files with the following YAML keys: :sources: A YAML array of remote gem repositories to install gems from :verbose: Verbosity of the gem command. false, true, and :really are the levels :update_sources: Enable/disable automatic updating of repository metadata :backtrace: Print backtrace when RubyGems encounters an error :gempath: The paths in which to look for gems :disable_default_gem_server: Force specification of gem server host on push <gem_command>: A string containing arguments for the specified gem command Example: :verbose: false install: --no-wrappers update: --no-wrappers :disable_default_gem_server: true RubyGems' default local repository can be overridden with the GEM_PATH and GEM_HOME environment variables. GEM_HOME sets the default repository to install into. GEM_PATH allows multiple local repositories to be searched for gems. If you are behind a proxy server, RubyGems uses the HTTP_PROXY, HTTP_PROXY_USER and HTTP_PROXY_PASS environment variables to discover the proxy server. If you would like to push gems to a private gem server the RUBYGEMS_HOST environment variable can be set to the URI for that server. If you are packaging RubyGems all of RubyGems' defaults are in lib/rubygems/defaults.rb. You may override these in lib/rubygems/defaults/operating_system.rb EOF end def usage # :nodoc: "#{program_name} [arg]" end def execute out = String.new arg = options[:args][0] out << case arg when /^packageversion/ then Gem::RubyGemsPackageVersion when /^version/ then Gem::VERSION when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then Gem.dir when /^gempath/, /^path/, /^GEM_PATH/ then Gem.path.join(File::PATH_SEPARATOR) when /^remotesources/ then Gem.sources.to_a.join("\n") when /^platform/ then Gem.platforms.join(File::PATH_SEPARATOR) when nil then show_environment else raise Gem::CommandLineError, "Unknown environment option [#{arg}]" end say out true end def add_path(out, path) path.each do \|component\| out << " - #{component}\n" end end def show_environment # :nodoc: out = "RubyGems Environment:\n".dup out << " - RUBYGEMS VERSION: #{Gem::VERSION}\n" out << " - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}" out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL out << ") [#{RUBY_PLATFORM}]\n" out << " - INSTALLATION DIRECTORY: #{Gem.dir}\n" out << " - USER INSTALLATION DIRECTORY: #{Gem.user_dir}\n" out << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil? out << " - RUBY EXECUTABLE: #{Gem.ruby}\n" out << " - GIT EXECUTABLE: #{git_path}\n" out << " - EXECUTABLE DIRECTORY: #{Gem.bindir}\n" out << " - SPEC CACHE DIRECTORY: #{Gem.spec_cache_dir}\n" out << " - SYSTEM CONFIGURATION DIRECTORY: #{Gem::ConfigFile::SYSTEM_CONFIG_PATH}\n" out << " - RUBYGEMS PLATFORMS:\n" Gem.platforms.each do \|platform\| out << " - #{platform}\n" end out << " - GEM PATHS:\n" out << " - #{Gem.dir}\n" gem_path = Gem.path.dup gem_path.delete Gem.dir add_path out, gem_path out << " - GEM CONFIGURATION:\n" Gem.configuration.each do \|name, value\| value = value.gsub(/./, '*') if name == 'gemcutter_key' out << " - #{name.inspect} => #{value.inspect}\n" end out << " - REMOTE SOURCES:\n" Gem.sources.each do \|s\| out << " - #{s}\n" end out << " - SHELL PATH:\n" shell_path = ENV['PATH'].split(File::PATH_SEPARATOR) add_path out, shell_path out end private ## # Git binary path def git_path exts = ENV["PATHEXT"] ? ENV["PATHEXT"].split(";") : [""] ENV["PATH"].split(File::PATH_SEPARATOR).each do \|path\| exts.each do \|ext\| exe = File.join(path, "git#{ext}") return exe if File.executable?(exe) && !File.directory?(exe) end end return nil end end