2007-11-10 10:48:56 +03:00
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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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2011-01-29 02:46:47 +03:00
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platform display the supported gem platforms
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2007-11-10 10:48:56 +03:00
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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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2008-09-25 14:13:50 +04:00
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def description # :nodoc:
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<<-EOF
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2013-09-14 12:59:02 +04:00
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The environment command lets you query rubygems for its configuration for
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use in shell scripts or as a debugging aid.
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2008-09-25 14:13:50 +04:00
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The RubyGems environment can be controlled through command line arguments,
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gemrc files, environment variables and built-in defaults.
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2012-11-29 10:52:18 +04:00
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Command line argument defaults and some RubyGems defaults can be set in a
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~/.gemrc file for individual users and a /etc/gemrc for all users. These
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files are YAML files with the following YAML keys:
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2008-09-25 14:13:50 +04:00
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:sources: A YAML array of remote gem repositories to install gems from
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2012-11-29 10:52:18 +04:00
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:verbose: Verbosity of the gem command. false, true, and :really are the
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2008-09-25 14:13:50 +04:00
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levels
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:update_sources: Enable/disable automatic updating of repository metadata
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:backtrace: Print backtrace when RubyGems encounters an error
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:gempath: The paths in which to look for gems
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2012-11-29 10:52:18 +04:00
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:disable_default_gem_server: Force specification of gem server host on push
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<gem_command>: A string containing arguments for the specified gem command
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2008-09-25 14:13:50 +04:00
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Example:
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:verbose: false
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install: --no-wrappers
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update: --no-wrappers
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2012-11-29 10:52:18 +04:00
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:disable_default_gem_server: true
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2008-09-25 14:13:50 +04:00
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2011-01-29 02:46:47 +03:00
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RubyGems' default local repository can be overridden with the GEM_PATH and
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2012-11-29 10:52:18 +04:00
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GEM_HOME environment variables. GEM_HOME sets the default repository to
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install into. GEM_PATH allows multiple local repositories to be searched for
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2008-09-25 14:13:50 +04:00
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gems.
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If you are behind a proxy server, RubyGems uses the HTTP_PROXY,
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HTTP_PROXY_USER and HTTP_PROXY_PASS environment variables to discover the
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proxy server.
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2012-11-29 10:52:18 +04:00
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If you would like to push gems to a private gem server the RUBYGEMS_HOST
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environment variable can be set to the URI for that server.
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2008-09-25 14:13:50 +04:00
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If you are packaging RubyGems all of RubyGems' defaults are in
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lib/rubygems/defaults.rb. You may override these in
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lib/rubygems/defaults/operating_system.rb
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EOF
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end
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2007-11-10 10:48:56 +03:00
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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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2013-09-14 12:59:02 +04:00
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out <<
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case arg
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when /^packageversion/ then
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Gem::RubyGemsPackageVersion
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when /^version/ then
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Gem::VERSION
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when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then
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Gem.dir
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when /^gempath/, /^path/, /^GEM_PATH/ then
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Gem.path.join(File::PATH_SEPARATOR)
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when /^remotesources/ then
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Gem.sources.to_a.join("\n")
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when /^platform/ then
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Gem.platforms.join(File::PATH_SEPARATOR)
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when nil then
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show_environment
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else
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raise Gem::CommandLineError, "Unknown environment option [#{arg}]"
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2013-07-23 02:46:50 +04:00
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end
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2013-09-14 12:59:02 +04:00
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say out
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true
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end
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2008-02-10 11:00:19 +03:00
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2013-09-14 12:59:02 +04:00
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def add_path out, path
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path.each do |component|
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out << " - #{component}\n"
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end
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end
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2007-11-10 10:48:56 +03:00
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2013-09-14 12:59:02 +04:00
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def show_environment # :nodoc:
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out = "RubyGems Environment:\n"
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2013-07-10 03:21:36 +04:00
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2013-09-14 12:59:02 +04:00
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out << " - RUBYGEMS VERSION: #{Gem::VERSION}\n"
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2013-07-10 03:21:36 +04:00
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2013-09-14 12:59:02 +04:00
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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 << " - EXECUTABLE DIRECTORY: #{Gem.bindir}\n"
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2007-11-10 10:48:56 +03:00
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2013-09-14 12:59:02 +04:00
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out << " - SPEC CACHE DIRECTORY: #{Gem.spec_cache_dir}\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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2013-07-10 03:21:36 +04:00
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end
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2013-09-14 12:59:02 +04:00
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out << " - GEM PATHS:\n"
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out << " - #{Gem.dir}\n"
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gem_path = Gem.path.dup
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gem_path.delete Gem.dir
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add_path out, gem_path
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out << " - GEM CONFIGURATION:\n"
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Gem.configuration.each do |name, value|
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value = value.gsub(/./, '*') if name == 'gemcutter_key'
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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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out << " - SHELL PATH:\n"
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shell_path = ENV['PATH'].split(File::PATH_SEPARATOR)
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add_path out, shell_path
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out
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2013-07-10 03:21:36 +04:00
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end
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2007-11-10 10:48:56 +03:00
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end
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