engine.rb in cask-0.3.2

- old
+ new
@@ -1,5 +1,81 @@
+require "cask/version"
+require "fileutils"
+require "thor"
+require "pathname"
+
 module Cask
-  class Engine < Rails::Engine
+  class Generator < Thor
+    map ["-v", "--version"] => :version
 
+    desc "install", "Install Cask into your project"
+    method_options :path => :string, :force => :boolean
+    def install
+      if cask_files_already_exist? && !options[:force]
+        puts "Cask files already installed, doing nothing."
+      else
+        install_files
+        puts "Cask files installed to #{install_path}/"
+      end
+    end
+
+    desc "update", "Update Cask"
+    method_options :path => :string
+    def update
+      if cask_files_already_exist?
+        remove_cask_directory
+        install_files
+        puts "Cask files updated."
+      else
+        puts "No existing cask installation. Doing nothing."
+      end
+    end
+
+    desc "version", "Show Cask version"
+    def version
+      say "Cask #{Cask::VERSION}"
+    end
+
+    private
+
+    def cask_files_already_exist?
+      install_path.exist?
+    end
+
+    def install_path
+      @install_path ||= if options[:path]
+          Pathname.new(File.join(options[:path], "cask"))
+        else
+          Pathname.new("cask")
+        end
+    end
+
+    def install_files
+      make_install_directory
+      copy_in_scss_files
+    end
+
+    def remove_cask_directory
+      FileUtils.rm_rf("cask")
+    end
+
+    def make_install_directory
+      FileUtils.mkdir_p(install_path)
+    end
+
+    def copy_in_scss_files
+      FileUtils.cp_r(all_stylesheets, install_path)
+    end
+
+    def all_stylesheets
+      Dir["#{stylesheets_directory}/*"]
+    end
+
+    def stylesheets_directory
+      File.join(top_level_directory, "core")
+    end
+
+    def top_level_directory
+      File.dirname(File.dirname(File.dirname(__FILE__)))
+    end
   end
 end