Daniel Rosenwasser 1f6a8d7aee
Do a shallow clone for Docker tests. (#42966)
* Do a shallow clone for docker tests.

* Remove the 'pull' step from the Docker files.
2021-03-03 22:35:48 -08:00
..
2021-03-02 20:38:37 -08:00
2021-02-18 17:06:58 -08:00