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 << " - EXECUTABLE DIRECTORY: #{Gem.bindir}\n"
56:
57: out << " - RUBYGEMS PLATFORMS:\n"
58: Gem.platforms.each do |platform|
59: out << " - #{platform}\n"
60: end
61:
62: out << " - GEM PATHS:\n"
63: out << " - #{Gem.dir}\n"
64:
65: path = Gem.path.dup
66: path.delete Gem.dir
67: path.each do |p|
68: out << " - #{p}\n"
69: end
70:
71: out << " - GEM CONFIGURATION:\n"
72: Gem.configuration.each do |name, value|
73: out << " - #{name.inspect} => #{value.inspect}\n"
74: end
75:
76: out << " - REMOTE SOURCES:\n"
77: Gem.sources.each do |s|
78: out << " - #{s}\n"
79: end
80:
81: else
82: fail Gem::CommandLineError, "Unknown enviroment option [#{arg}]"
83: end
84: say out
85: true
86: end