Support roll-over between shards

The LKML is about to roll over from shard 6 to shard 7, so add some
logic to properly handle situations where we have tracked messages
referring to commit-id's from the previous shard. It's a bit hacky, but
it should do the job.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
1 file changed