81 lines
2.2 KiB
Ruby
81 lines
2.2 KiB
Ruby
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require 'rubygems/command'
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class Gem::Commands::EnvironmentCommand < Gem::Command
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def initialize
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super 'environment', 'Display information about the RubyGems environment'
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end
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def arguments # :nodoc:
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args = <<-EOF
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packageversion display the package version
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gemdir display the path where gems are installed
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gempath display path used to search for gems
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version display the gem format version
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remotesources display the remote gem servers
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<omitted> display everything
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EOF
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return args.gsub(/^\s+/, '')
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end
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def usage # :nodoc:
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"#{program_name} [arg]"
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end
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def execute
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out = ''
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arg = options[:args][0]
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if begins?("packageversion", arg) then
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out << Gem::RubyGemsPackageVersion
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elsif begins?("version", arg) then
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out << Gem::RubyGemsVersion
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elsif begins?("gemdir", arg) then
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out << Gem.dir
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elsif begins?("gempath", arg) then
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out << Gem.path.join("\n")
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elsif begins?("remotesources", arg) then
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out << Gem.sources.join("\n")
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elsif arg then
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fail Gem::CommandLineError, "Unknown enviroment option [#{arg}]"
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else
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out = "RubyGems Environment:\n"
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out << " - RUBYGEMS VERSION: #{Gem::RubyGemsVersion} (#{Gem::RubyGemsPackageVersion})\n"
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out << " - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}"
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out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
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out << ") [#{RUBY_PLATFORM}]\n"
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out << " - INSTALLATION DIRECTORY: #{Gem.dir}\n"
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out << " - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil?
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out << " - RUBY EXECUTABLE: #{Gem.ruby}\n"
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out << " - RUBYGEMS PLATFORMS:\n"
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Gem.platforms.each do |platform|
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out << " - #{platform}\n"
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end
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out << " - GEM PATHS:\n"
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Gem.path.each do |p|
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out << " - #{p}\n"
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end
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out << " - GEM CONFIGURATION:\n"
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Gem.configuration.each do |name, value|
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out << " - #{name.inspect} => #{value.inspect}\n"
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end
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out << " - REMOTE SOURCES:\n"
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Gem.sources.each do |s|
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out << " - #{s}\n"
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end
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end
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say out
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true
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end
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end
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