--- mail_handler.rb.orig        2010-02-11 16:23:27.000000000 +0100
+++ mail_handler.rb     2010-02-11 16:23:57.000000000 +0100
@@ -120,6 +120,7 @@
     category = (get_keyword(:category) && project.issue_categories.find_by_name(get_keyword(:category)))
     priority = (get_keyword(:priority) && IssuePriority.find_by_name(get_keyword(:priority)))
     status =  (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
+    done_ratio = (get_keyword(:done_ratio) && Integer(get_keyword(:done_ratio))) rescue nil

     # check permission
     unless @@handler_options[:no_permission_check]
@@ -142,6 +143,7 @@
       end
       h
     end
+    issue.done_ratio = done_ratio if(done_ratio && (done_ratio % 10 == 0) && (0..100).include?(done_ratio))
     issue.description = cleaned_up_text_body
     # add To and Cc as watchers before saving so the watchers can reply to Redmine
     add_watchers(issue)
@@ -163,6 +165,7 @@
   # Adds a note to an existing issue
   def receive_issue_reply(issue_id)
     status =  (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
+    done_ratio = (get_keyword(:done_ratio) && Integer(get_keyword(:done_ratio))) rescue nil

     issue = Issue.find_by_id(issue_id)
     return unless issue
@@ -179,6 +182,7 @@
     if status && issue.new_statuses_allowed_to(user).include?(status)
       issue.status = status
     end
+    issue.done_ratio = done_ratio if(done_ratio && (done_ratio % 10 == 0) && (0..100).include?(done_ratio))
     issue.save!
     logger.info "MailHandler: issue ##{issue.id} updated by #{user}" if logger && logger.info
     journal