26: def execute
27: out = ''
28: arg = options[:args][0]
29: case arg
30: when /^packageversion/ then
31: out << Gem::RubyGemsPackageVersion
32: when /^version/ then
33: out << Gem::RubyGemsVersion
34: when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then
35: out << Gem.dir
36: when /^gempath/, /^path/, /^GEM_PATH/ then
37: out << Gem.path.join(File::PATH_SEPARATOR)
38: when /^remotesources/ then
39: out << Gem.sources.join("\n")
40: when nil then
41: out = "RubyGems Environment:\n"
42:
43: out << " - RUBYGEMS VERSION: #{Gem::RubyGemsVersion}\n"
44:
45: out << " - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}"
46: out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
47: out << ") [#{RUBY_PLATFORM}]\n"
48:
49: out << " - INSTALLATION DIRECTORY: #{Gem.dir}\n"
50:
51: out << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil?
52:
53: out << " - RUBY EXECUTABLE: #{Gem.ruby}\n"
54:
55: out << " - RUBYGEMS PLATFORMS:\n"
56: Gem.platforms.each do |platform|
57: out << " - #{platform}\n"
58: end
59:
60: out << " - GEM PATHS:\n"
61: out << " - #{Gem.dir}\n"
62:
63: path = Gem.path.dup
64: path.delete Gem.dir
65: path.each do |p|
66: out << " - #{p}\n"
67: end
68:
69: out << " - GEM CONFIGURATION:\n"
70: Gem.configuration.each do |name, value|
71: out << " - #{name.inspect} => #{value.inspect}\n"
72: end
73:
74: out << " - REMOTE SOURCES:\n"
75: Gem.sources.each do |s|
76: out << " - #{s}\n"
77: end
78:
79: else
80: fail Gem::CommandLineError, "Unknown enviroment option [#{arg}]"
81: end
82: say out
83: true
84: end