[#501] Ugly patch to stop creating journals when only line endings change

app/models/issue.rb

@@ -280,6 +280,13 @@ class Issue < ActiveRecord::Base
       end
     end
 
+    # Bug #501: browsers might swap the line endings causing a Journal.
+    if attrs.has_key?('description') && attrs['description'].present?
+      if attrs['description'].gsub(/\r\n?/,"\n") == self.description
+        attrs.delete('description')
+      end
+    end
+
     self.attributes = attrs
   end
 

test/unit/issue_test.rb

@@ -875,4 +875,22 @@ class IssueTest < ActiveSupport::TestCase
     assert issue.save
     assert_equal 0, ActionMailer::Base.deliveries.size
   end
+
+  test 'changing the line endings in a description will not be recorded as a Journal' do
+    User.current = User.find(1)
+    issue = Issue.find(1)
+    issue.update_attribute(:description, "Description with newlines\n\nembedded")
+    issue.reload
+    assert issue.description.include?("\n")
+    
+    assert_no_difference("Journal.count") do
+      issue.safe_attributes= {
+        'description' => "Description with newlines\r\n\r\nembedded"
+      }
+      assert issue.save
+    end
+
+    assert_equal "Description with newlines\n\nembedded", issue.reload.description
+  end
+  
 end