title: Installing Compass
body: <p>Once again, having trouble installing Compass, like <a href="https://stackoverflow.com/questions/521087/installing-compass-following-the-compass-primer">here</a> only different.</p>
  
  <p>My versions and error:</p>
  
  <pre><code>$ cat /etc/issue
  Ubuntu 10.04.1 LTS \n \l
  $ ruby -v
  ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux]
  $ compass -v
  Compass 0.8.17 [2465bab]
  Copyright (c) 2008-2009 Chris Eppstein
  Released under the MIT License.
  $ haml -v
  Haml/Sass 3.0.18 (Classy Cassidy)
  $ compass -w --trace
  NoMethodError on line 18 of /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/sass_extensions/monkey_patches/stylesheet_updating.rb: undefined method `dependency_updated?' for Sass::Plugin:Module
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/compiler.rb:39:in `out_of_date?'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/compiler.rb:38:in `each'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/compiler.rb:38:in `out_of_date?'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/commands/watch_project.rb:52:in `recompile'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/commands/watch_project.rb:18:in `perform'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/commands/base.rb:15:in `execute'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/commands/project_base.rb:19:in `execute'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/exec.rb:242:in `do_command'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/exec.rb:57:in `perform!'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/lib/compass/exec.rb:40:in `run!'
    /var/lib/gems/1.8/gems/chriseppstein-compass-0.8.17/bin/compass:8
    /var/lib/gems/1.8/bin/compass:19:in `load'
    /var/lib/gems/1.8/bin/compass:19
  </code></pre>
  
  <p>I looked at stylesheet_updating.rb and it's some monkey patch esoterica I don't know how to debug.</p>
  
  <p>The Compass primer I found reference to is from 2008, which doesn't seem helpful.</p>
  
  <p>Ideas?</p>