diff --git a/lib/homesick.rb b/lib/homesick.rb
index d3cac95..04abfa3 100644
--- a/lib/homesick.rb
+++ b/lib/homesick.rb
@@ -7,13 +7,15 @@ class Homesick < Thor
   include Thor::Actions
   include Homesick::Actions
 
+  add_runtime_options!
+
+  GITHUB_NAME_REPO_PATTERN = /\A([A-Za-z_-]+)\/([A-Za-z_-]+)\Z/
+
   def initialize(args=[], options={}, config={})
     super
     self.shell = Homesick::Shell.new
   end
 
-  GITHUB_NAME_REPO_PATTERN = /\A([A-Za-z_-]+)\/([A-Za-z_-]+)\Z/
-
   desc "clone URI", "Clone +uri+ as a castle for homesick"
   def clone(uri)
     empty_directory repos_dir, :verbose => false
diff --git a/lib/homesick/actions.rb b/lib/homesick/actions.rb
index 7931b53..ac2e385 100644
--- a/lib/homesick/actions.rb
+++ b/lib/homesick/actions.rb
@@ -28,12 +28,12 @@ class Homesick
           say_status :conflict, "#{destination} exists and points to #{destination.readlink}", :red
 
           if shell.file_collision(destination) { source }
-            system "ln -sf #{source} #{destination}"
+            system "ln -sf #{source} #{destination}" unless options[:pretend]
           end
         end
       else
         say_status :symlink, "#{source.expand_path} to #{destination.expand_path}", :green
-        system "ln -s #{source} #{destination}"
+        system "ln -s #{source} #{destination}" unless options[:pretend]
       end
     end
   end