mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
129 lines
3.4 KiB
Ruby
129 lines
3.4 KiB
Ruby
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 &:first
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end
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def value_for(property_name)
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if property = assoc(property_name)
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property.last
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end
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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 frameworks
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%w( active_record action_pack active_resource action_mailer active_support )
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end
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def framework_version(framework)
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require "#{framework}/version"
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"#{framework.classify}::VERSION::STRING".constantize
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end
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def edge_rails_revision(info = git_info)
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info[/commit ([a-z0-9-]+)/, 1] || freeze_edge_version
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end
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def freeze_edge_version
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if File.exist?(rails_vendor_root)
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begin
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Dir[File.join(rails_vendor_root, 'REVISION_*')].first.scan(/_(\d+)$/).first.first
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rescue
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Dir[File.join(rails_vendor_root, 'TAG_*')].first.scan(/_(.+)$/).first.first rescue 'unknown'
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end
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end
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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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def to_html
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returning table = '<table>' do
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properties.each do |(name, value)|
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table << %(<tr><td class="name">#{CGI.escapeHTML(name.to_s)}</td>)
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table << %(<td class="value">#{CGI.escapeHTML(value.to_s)}</td></tr>)
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end
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table << '</table>'
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end
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end
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protected
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def rails_vendor_root
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@rails_vendor_root ||= "#{RAILS_ROOT}/vendor/rails"
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end
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def git_info
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env_lang, ENV['LC_ALL'] = ENV['LC_ALL'], 'C'
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Dir.chdir(rails_vendor_root) do
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silence_stderr { `git log -n 1` }
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end
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ensure
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ENV['LC_ALL'] = env_lang
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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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property 'Rack version' do
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::Rack.release
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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 framework (Active Record, Action Pack,
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# Active Resource, Action Mailer, and Active Support).
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frameworks.each do |framework|
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property "#{framework.titlecase} version" do
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framework_version(framework)
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end
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end
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# The Rails Git 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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property 'Database schema version' do
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ActiveRecord::Migrator.current_version rescue nil
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end
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end
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end
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