Merge branch 'mh/ref-races-optim-invalidate-cached'

* mh/ref-races-optim-invalidate-cached: refs: do not invalidate the packed-refs cache unnecessarily

Junio C Hamano committed Jul 24, 2013 at 19:21 UTC 29143fc4e3e5236aa57a1f1ef63f775491159782

No changes.