--- a/lib/piston/working_copy.rb
+++ b/lib/piston/working_copy.rb
@@ -23,6 +23,14 @@ module Piston
       @dir = dir
       @path = Pathname.new(@dir).cleanpath
     end
+
+    def to_s
+      @path.to_s
+    end
+
+    def repos
+      Piston::Repository.new(self.url, :logger => self.logger)
+    end
 
     def checkout(repos_url, revision="HEAD")
       repos_url = is_a_url?(repos_url)
@@ -45,6 +53,7 @@ module Piston
     def revision(force=false)
       self.info(force)["Revision"]
     end
+    alias_method :youngest, :revision
 
     def last_changed_revision(force=false)
       self.info(force)["Last Changed Rev"]
@@ -114,8 +123,12 @@ module Piston
           end
         when "M"
           changes[file] = :modify unless changes[file]
-        when "D"
-          changes[file] = :delete
+        when "D"
+          if [changes[file]].flatten.first == :copy then
+            changes[file][0] = :move
+          else
+            changes[file] = :delete
+          end
         end
       end
 
@@ -155,6 +168,11 @@ module Piston
     def delete(from)
       svn :delete, wc_path(from)
     end
+
+    def merge(path, revisions)
+      revisions = "#{revisions.first}:#{revisions.last}" if revisions.respond_to?(:last)
+      svn(:merge, "--revision", revisions, wc_path(path), wc_path(path))
+    end
 
     if RUBY_PLATFORM =~ /mswin32/ then
       def wc_path(wcpath)