--- a/app/models/changeset.rb	2013-11-06 08:41:46.000000000 +0100
+++ b/app/models/changeset.rb	2013-11-26 00:34:25.000000000 +0100
@@ -111,6 +111,13 @@ class Changeset < ActiveRecord::Base
     (\d+([\.,]\d+)?)h?
     )
     /x
+  DONERATIO_RE = /
+    (
+    (100)
+    |
+    (\d0)
+    )
+    /x
 
   def scan_comment_for_issue_ids
     return if comments.blank?
@@ -124,16 +131,17 @@ class Changeset < ActiveRecord::Base
 
     referenced_issues = []
 
-    comments.scan(/([\s\(\[,-]|^)((#{kw_regexp})[\s:]+)?(#\d+(\s+@#{TIMELOG_RE})?([\s,;&]+#\d+(\s+@#{TIMELOG_RE})?)*)(?=[[:punct:]]|\s|<|$)/i) do |match|
+    comments.scan(/([\s\(\[,-]|^)((#{kw_regexp})[\s:]+)?(#\d+(\s+@#{TIMELOG_RE})?(\s+#{DONERATIO_RE}%)?([\s,;&]+#\d+(\s+@#{TIMELOG_RE})?(\s+#{DONERATIO_RE}%)?)*)(?=[[:punct:]]|\s|<|$)/i) do |match|
       action, refs = match[2], match[3]
       next unless action.present? || ref_keywords_any
 
-      refs.scan(/#(\d+)(\s+@#{TIMELOG_RE})?/).each do |m|
-        issue, hours = find_referenced_issue_by_id(m[0].to_i), m[2]
+      refs.scan(/#(\d+)(\s+@#{TIMELOG_RE})?(\s+#{DONERATIO_RE}%)?/).each do |m|
+        issue, hours, ratio = find_referenced_issue_by_id(m[0].to_i), m[2], m[17]
         if issue
           referenced_issues << issue
           fix_issue(issue) if fix_keywords.include?(action.to_s.downcase)
           log_time(issue, hours) if hours && Setting.commit_logtime_enabled?
+          done_ratio(issue, ratio) if ratio
         end
       end
     end
@@ -258,6 +266,16 @@ class Changeset < ActiveRecord::Base
     end
   end
 
+  def done_ratio(issue, ratio)
+    issue.reload
+    journal = issue.init_journal(user || User.anonymous, ll(Setting.default_language, :text_status_changed_by_changeset, text_tag(issue.project)))
+    issue.done_ratio = ratio.to_i
+    unless issue.save
+      logger.warn("Issue ##{issue.id} could not be saved by changeset #{id}: #{issue.errors.full_messages}") if logger
+    end
+    issue
+  end
+
   def split_comments
     comments =~ /\A(.+?)\r?\n(.*)$/m
     @short_comments = $1 || comments