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Diffstat (limited to 'jni/ruby/lib/rubygems/commands/environment_command.rb')
| -rw-r--r-- | jni/ruby/lib/rubygems/commands/environment_command.rb | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/jni/ruby/lib/rubygems/commands/environment_command.rb b/jni/ruby/lib/rubygems/commands/environment_command.rb new file mode 100644 index 0000000..067d0b1 --- /dev/null +++ b/jni/ruby/lib/rubygems/commands/environment_command.rb @@ -0,0 +1,158 @@ +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 = '' + 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" + + 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 << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil? + + out << " - RUBY EXECUTABLE: #{Gem.ruby}\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 + +end + |