From 71b032a0a6a4f68354db7cb41e77443aa091580b Mon Sep 17 00:00:00 2001
From: Sam Stephenson <sam@37signals.com>
Date: Sat, 5 Nov 2005 14:30:47 +0000
Subject: Added script/about to display formatted Rails::Info output

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2883 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 railties/lib/info.rb | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'railties/lib/info.rb')

diff --git a/railties/lib/info.rb b/railties/lib/info.rb
index 74cb41e8bc..2104f4d6e6 100644
--- a/railties/lib/info.rb
+++ b/railties/lib/info.rb
@@ -1,7 +1,15 @@
 module Rails
   module Info
     mattr_accessor :properties
-    @@properties = []
+    class << (@@properties = [])
+      def names
+        map {|(name, )| name}
+      end
+      
+      def value_for(property_name)
+        find {|(name, )| name == property_name}.last rescue nil
+      end
+    end
   
     class << self #:nodoc:
       def property(name, value = nil)
@@ -19,10 +27,19 @@ module Rails
         require "#{component}/version"
         "#{component.classify}::Version::STRING".constantize
       end
-      
+    
       def edge_rails_revision
         svn_info[/^Revision: (\d+)/, 1] || 'unknown'
       end
+    
+      def to_s
+        column_width = properties.names.map {|name| name.length}.max
+        ["About your application's environment", *properties.map do |property|
+          "%-#{column_width}s   %s" % property
+        end] * "\n"
+      end
+
+      alias inspect to_s
       
     protected
       def svn_info
@@ -53,6 +70,9 @@ module Rails
       edge_rails_revision
     end
   
+    # The application's location on the filesystem.
+    property 'Application root', File.expand_path(RAILS_ROOT)
+  
     # The current Rails environment (development, test, or production).
     property 'Environment' do
       RAILS_ENV
-- 
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