Jeffrey Zhang d7495b1d39 Fix the prechecks role idempotent
the prechecks role should be idempotent and should changed nothing when
running.

TrivialFix

Change-Id: Ib5063d879e0f5f414d607bd9b6493a7499fc5652
2016-03-21 00:10:15 +08:00
..
2016-03-17 17:13:38 +00:00
2016-03-07 11:42:27 +08:00
2016-03-07 16:05:38 +08:00
2016-03-15 02:35:47 +00:00