Tim Vernum 8820902f0c [ci] Print git revision of elasticsearch to ci log (elastic/elasticsearch#4782)
The output `Checked out Elasticsearch revision: ...` shows which revision of elasticsearch was included in the CI build. This makes it easier to diagnose and resolve x-pack build failures.

Original commit: elastic/x-pack-elasticsearch@8c39aafc2d
2017-02-07 10:36:49 +11:00
..
2016-11-29 18:48:45 -05:00