lib/churn/churn_history.rb in churn-0.0.8 vs lib/churn/churn_history.rb in churn-0.0.9

@@ -9,14 +9,18 @@
 
     def self.load_revision_data(revision)
       #load revision data from scratch folder if it exists
       filename = "tmp/#{revision}.json"
       if File.exists?(filename)
-        json_data = File.read(filename)
-        data      = JSON.parse(json_data)
-        changed_files   = data['churn']['changed_files']
-        changed_classes = data['churn']['changed_classes']
-        changed_methods = data['churn']['changed_methods']
+        begin
+          json_data = File.read(filename)
+          data      = JSON.parse(json_data)
+          changed_files   = data['churn']['changed_files']
+          changed_classes = data['churn']['changed_classes']
+          changed_methods = data['churn']['changed_methods']
+        rescue JSON::ParserError
+          #leave all of the objects nil
+        end
       end
       [changed_files, changed_classes, changed_methods]
     end
 
   end