95 lines
2.4 KiB
Ruby
95 lines
2.4 KiB
Ruby
require 'rails_version'
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module Rails
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module Info
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mattr_accessor :properties
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class << (@@properties = [])
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def names
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map {|(name, )| name}
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end
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def value_for(property_name)
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find {|(name, )| name == property_name}.last rescue nil
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end
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end
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class << self #:nodoc:
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def property(name, value = nil)
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value ||= yield
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properties << [name, value] if value
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rescue Exception
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end
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def components
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%w( active_record action_pack action_web_service action_mailer active_support )
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end
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def component_version(component)
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require "#{component}/version"
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"#{component.classify}::Version::STRING".constantize
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end
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def edge_rails_revision
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svn_info[/^Revision: (\d+)/, 1] || 'unknown'
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end
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def to_s
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column_width = properties.names.map {|name| name.length}.max
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["About your application's environment", *properties.map do |property|
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"%-#{column_width}s %s" % property
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end] * "\n"
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end
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alias inspect to_s
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protected
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def svn_info
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Dir.chdir("#{RAILS_ROOT}/vendor/rails") do
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IO.popen('svn info') { |f| f.read }
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end
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end
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end
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# The Ruby version and platform, e.g. "1.8.2 (powerpc-darwin8.2.0)".
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property 'Ruby version', "#{RUBY_VERSION} (#{RUBY_PLATFORM})"
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# The RubyGems version, if it's installed.
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property 'RubyGems version' do
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Gem::RubyGemsVersion
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end
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# The Rails version.
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property 'Rails version' do
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Rails::Version::STRING
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end
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# Versions of each Rails component (Active Record, Action Pack,
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# Action Web Service, Action Mailer, and Active Support).
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components.each do |component|
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property "#{component.titlecase} version" do
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component_version(component)
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end
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end
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# The Rails SVN revision, if it's checked out into vendor/rails.
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property 'Edge Rails revision' do
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edge_rails_revision
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end
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# The application's location on the filesystem.
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property 'Application root' do
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File.expand_path(RAILS_ROOT)
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end
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# The current Rails environment (development, test, or production).
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property 'Environment' do
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RAILS_ENV
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end
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# The name of the database adapter for the current environment.
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property 'Database adapter' do
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ActiveRecord::Base.configurations[RAILS_ENV]['adapter']
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end
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end
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end
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