Check if site is up-to-date

app/models/site.rb

@@ -13,8 +13,6 @@ class Site
   field :school
   field :department
   
-  field :up_to_date, :type => Boolean
-  
   def generate_keys
     private_key = OpenSSL::PKey::RSA.generate(2048)
     self.public_key = private_key.public_key.to_s
@@ -25,4 +23,10 @@ class Site
     !self.roaming_id.blank?
   end
   
+  def up_to_date?
+    p res = %x(git remote show origin)
+    res = res.split('rails_3_1 (')[1].gsub!(')','').strip rescue nil
+    res.eql?('local out of date') ? false : true
+  end
+  
 end

app/views/admin/sites/_update.html.erb

@@ -1,4 +1,4 @@
-<% if @site.up_to_date %>
+<% if @site.up_to_date? %>
 	<%= t('admin.up_to_date') %>
 <% else %>
 	<%= link_to t(:update), site_update_path %>