Move unified diff parser out of the scm abstract adapter so it can be reused for viewing attached diffs (#1403).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1513 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/scm/adapters/darcs_adapter.rb

@@ -94,7 +94,7 @@ module Redmine
           revisions
         end
         
-        def diff(path, identifier_from, identifier_to=nil, type="inline")
+        def diff(path, identifier_from, identifier_to=nil)
           path = '*' if path.blank?
           cmd = "#{DARCS_BIN} diff --repodir #{@url}"
           if identifier_to.nil?
@@ -111,7 +111,7 @@ module Redmine
             end
           end
           return nil if $? && $?.exitstatus != 0
-          DiffTableList.new diff, type    
+          diff
         end
         
         private