Fix bug 1475603: If updating repo fails, exit script (#1014)
Fix bug 1475603: If updating repo fails, exit script (#1014)


mathjazz/pontoon,jotes/pontoon,jotes/pontoon,mathjazz/pontoon,mathjazz/pontoon,mozilla/pontoon,mathjazz/pontoon,mozilla/pontoon,mozilla/pontoon,mozilla/pontoon,mozilla/pontoon,mathjazz/pontoon,jotes/pontoon,jotes/pontoon