diff options
Diffstat (limited to 'trunk/lib/rubygems/commands/environment_command.rb')
-rw-r--r-- | trunk/lib/rubygems/commands/environment_command.rb | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/trunk/lib/rubygems/commands/environment_command.rb b/trunk/lib/rubygems/commands/environment_command.rb new file mode 100644 index 0000000000..a67c00bfd6 --- /dev/null +++ b/trunk/lib/rubygems/commands/environment_command.rb @@ -0,0 +1,88 @@ +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 + <omitted> display everything + EOF + return args.gsub(/^\s+/, '') + end + + def usage # :nodoc: + "#{program_name} [arg]" + end + + def execute + out = '' + arg = options[:args][0] + case arg + when /^packageversion/ then + out << Gem::RubyGemsPackageVersion + when /^version/ then + out << Gem::RubyGemsVersion + when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then + out << Gem.dir + when /^gempath/, /^path/, /^GEM_PATH/ then + out << Gem.path.join(File::PATH_SEPARATOR) + when /^remotesources/ then + out << Gem.sources.join("\n") + when nil then + out = "RubyGems Environment:\n" + + out << " - RUBYGEMS VERSION: #{Gem::RubyGemsVersion}\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 << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil? + + out << " - RUBY EXECUTABLE: #{Gem.ruby}\n" + + out << " - EXECUTABLE DIRECTORY: #{Gem.bindir}\n" + + out << " - RUBYGEMS PLATFORMS:\n" + Gem.platforms.each do |platform| + out << " - #{platform}\n" + end + + out << " - GEM PATHS:\n" + out << " - #{Gem.dir}\n" + + path = Gem.path.dup + path.delete Gem.dir + path.each do |p| + out << " - #{p}\n" + end + + out << " - GEM CONFIGURATION:\n" + Gem.configuration.each do |name, value| + out << " - #{name.inspect} => #{value.inspect}\n" + end + + out << " - REMOTE SOURCES:\n" + Gem.sources.each do |s| + out << " - #{s}\n" + end + + else + fail Gem::CommandLineError, "Unknown enviroment option [#{arg}]" + end + say out + true + end + +end + |