Display version somewhere in the admin view?

app/views/app_configs/edit.html.erb

@@ -1,4 +1,6 @@
 <% title "Application Settings" %>
+<h3>You are currently running Reservations <%= APP_VERSION %>.</h3>
+<hr />
 
 <%= simple_form_for @app_config, :html => { multipart: true, :class => "form-horizontal" } do |f| %>
 

app/views/layouts/_footer.html.erb

@@ -10,8 +10,8 @@
         <% else %>
           <div class="span5">
         <% end %>
-          Powered by <a href="https://github.com/YaleSTC/reservations">Reservations</a>, an open source equipment reservation app.<br />
-          &copy; 2012 Yale Student Technology Collaborative
+          Powered by <a href="https://github.com/YaleSTC/reservations">Reservations</a><%= ' (' + APP_VERSION + ')' if can? :manage, :all %>, an open-source app.<br />
+          &copy; <%= Time.now.year %> Yale Student Technology Collaborative
           <div id="footer_feedback">
             <hr>
             <a href="https://docs.google.com/a/yale.edu/spreadsheet/viewform?formkey=dE8zTFprNVB4RTAwdURhWEVTTlpDQVE6MQ#gid=0">Provide feedback</a> (suggestions, issues, and bug reports)

config/environment.rb

@@ -2,5 +2,8 @@
 require File.expand_path('../application', __FILE__)
 require 'rails_extensions'
 
+# Version variable
+APP_VERSION = `git describe --tags --abbrev=0`.strip unless defined? APP_VERSION
+
 # Initialize the rails application
 Reservations::Application.initialize!