Index: app/models/changeset.rb
===================================================================
--- app/models/changeset.rb	(revision 2056)
+++ app/models/changeset.rb	(working copy)
@@ -79,6 +79,7 @@
     # status and optional done ratio applied
     fix_status = IssueStatus.find_by_id(Setting.commit_fix_status_id)
     done_ratio = Setting.commit_fix_done_ratio.blank? ? nil : Setting.commit_fix_done_ratio.to_i
+    project_list = [repository.project] + repository.project.ancestors
     
     kw_regexp = (ref_keywords + fix_keywords).collect{|kw| Regexp.escape(kw)}.join("|")
     return if kw_regexp.blank?
@@ -89,13 +90,14 @@
       # find any issue ID in the comments
       target_issue_ids = []
       comments.scan(%r{([\s\(,-]|^)#(\d+)(?=[[:punct:]]|\s|<|$)}).each { |m| target_issue_ids << m[1] }
-      referenced_issues += repository.project.issues.find_all_by_id(target_issue_ids)
+      project_list.each {|project| referenced_issues += project.issues.find_all_by_id(target_issue_ids)}
     end
     
     comments.scan(Regexp.new("(#{kw_regexp})[\s:]+(([\s,;&]*#?\\d+)+)", Regexp::IGNORECASE)).each do |match|
       action = match[0]
       target_issue_ids = match[1].scan(/\d+/)
-      target_issues = repository.project.issues.find_all_by_id(target_issue_ids)
+      target_issues = []
+      project_list.each {|project| target_issues += project.issues.find_all_by_id(target_issue_ids)}
       if fix_status && fix_keywords.include?(action.downcase)
         # update status of issues
         logger.debug "Issues fixed by changeset #{self.revision}: #{issue_ids.join(', ')}." if logger && logger.debug?