1 files changed, 72 insertions, 0 deletions
diff --git a/railties/lib/rails/vendor/thor-0.11.6/lib/thor/shell.rb b/railties/lib/rails/vendor/thor-0.11.6/lib/thor/shell.rb
new file mode 100644
index 0000000000..0d3f4d5951
--- /dev/null
+++ b/railties/lib/rails/vendor/thor-0.11.6/lib/thor/shell.rb
@@ -0,0 +1,72 @@
+require 'thor/shell/color'
+
+class Thor
+  module Base
+    # Returns the shell used in all Thor classes. Default to color one.
+    #
+    def self.shell
+      @shell ||= Thor::Shell::Color
+    end
+
+    # Sets the shell used in all Thor classes.
+    #
+    def self.shell=(klass)
+      @shell = klass
+    end
+  end
+
+  module Shell
+    SHELL_DELEGATED_METHODS = [:ask, :yes?, :no?, :say, :say_status, :print_list, :print_table]
+
+    # Add shell to initialize config values.
+    #
+    # ==== Configuration
+    # shell<Object>:: An instance of the shell to be used.
+    #
+    # ==== Examples
+    #
+    #   class MyScript < Thor
+    #     argument :first, :type => :numeric
+    #   end
+    #
+    #   MyScript.new [1.0], { :foo => :bar }, :shell => Thor::Shell::Basic.new
+    #
+    def initialize(args=[], options={}, config={})
+      super
+      self.shell = config[:shell]
+      self.shell.base ||= self if self.shell.respond_to?(:base)
+    end
+
+    # Holds the shell for the given Thor instance. If no shell is given,
+    # it gets a default shell from Thor::Base.shell.
+    #
+    def shell
+      @shell ||= Thor::Base.shell.new
+    end
+
+    # Sets the shell for this thor class.
+    #
+    def shell=(shell)
+      @shell = shell
+    end
+
+    # Common methods that are delegated to the shell.
+    #
+    SHELL_DELEGATED_METHODS.each do |method|
+      module_eval <<-METHOD, __FILE__, __LINE__
+        def #{method}(*args)
+          shell.#{method}(*args)
+        end
+      METHOD
+    end
+
+    protected
+
+      # Allow shell to be shared between invocations.
+      #
+      def _shared_configuration #:nodoc:
+        super.merge!(:shell => self.shell)
+      end
+
+  end
+end