lib/nanoc/cli/cleaning_stream.rb in nanoc-3.4.0 vs lib/nanoc/cli/cleaning_stream.rb in nanoc-3.4.1

@@ -49,11 +49,11 @@
       @stream.<<(self.clean(s))
     end
 
     # @see IO#tty?
     def tty?
-      @stream.tty?
+      @cached_is_tty ||= @stream.tty?
     end
 
     # @see IO#flush
     def flush
       @stream.flush
@@ -75,9 +75,24 @@
     end
 
     # @see StringIO#string
     def string
       @stream.string
+    end
+
+    # @see IO#reopen
+    def reopen(*a)
+      @stream.reopen(*a)
+    end
+
+    # @see File#exist?
+    def exist?
+      @stream.exist?
+    end
+
+    # @see File.exists?
+    def exists?
+      @stream.exists?
     end
 
   protected
 
     def clean(s)