From e27866be5b019dae868a4aa6a16c4a5da52eb52d 2011-03-16 20:52:48
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: 2011-03-16 20:52:48
Subject: [PATCH] Prevent error when referencing an issue without project (#7890).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5157 e93f8b46-1217-0410-a6f0-8f06a7374b81

---

diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index c4f1f3f..7195408 100644
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -174,7 +174,7 @@ class Changeset < ActiveRecord::Base
     return nil if id.blank?
     issue = Issue.find_by_id(id.to_i, :include => :project)
     if issue
-      unless project == issue.project || project.is_ancestor_of?(issue.project) || project.is_descendant_of?(issue.project)
+      unless issue.project && (project == issue.project || project.is_ancestor_of?(issue.project) || project.is_descendant_of?(issue.project))
         issue = nil
       end
     end