67: def execute
68: out = ''
69: arg = options[:args][0]
70: case arg
71: when /^packageversion/ then
72: out << Gem::RubyGemsPackageVersion
73: when /^version/ then
74: out << Gem::VERSION
75: when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then
76: out << Gem.dir
77: when /^gempath/, /^path/, /^GEM_PATH/ then
78: out << Gem.path.join(File::PATH_SEPARATOR)
79: when /^remotesources/ then
80: out << Gem.sources.join("\n")
81: when nil then
82: out = "RubyGems Environment:\n"
83:
84: out << " - RUBYGEMS VERSION: #{Gem::VERSION}\n"
85:
86: out << " - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}"
87: out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
88: out << ") [#{RUBY_PLATFORM}]\n"
89:
90: out << " - INSTALLATION DIRECTORY: #{Gem.dir}\n"
91:
92: out << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil?
93:
94: out << " - RUBY EXECUTABLE: #{Gem.ruby}\n"
95:
96: out << " - EXECUTABLE DIRECTORY: #{Gem.bindir}\n"
97:
98: out << " - RUBYGEMS PLATFORMS:\n"
99: Gem.platforms.each do |platform|
100: out << " - #{platform}\n"
101: end
102:
103: out << " - GEM PATHS:\n"
104: out << " - #{Gem.dir}\n"
105:
106: path = Gem.path.dup
107: path.delete Gem.dir
108: path.each do |p|
109: out << " - #{p}\n"
110: end
111:
112: out << " - GEM CONFIGURATION:\n"
113: Gem.configuration.each do |name, value|
114: value = value.gsub(/./, '*') if name == 'gemcutter_key'
115: out << " - #{name.inspect} => #{value.inspect}\n"
116: end
117:
118: out << " - REMOTE SOURCES:\n"
119: Gem.sources.each do |s|
120: out << " - #{s}\n"
121: end
122:
123: else
124: raise Gem::CommandLineError, "Unknown enviroment option [#{arg}]"
125: end
126: say out
127: true
128: end