[Buildkite] Control clean builds with agent metadata (#840)

This is to optimise build times at the sacrifice of disk space/clean up tasks.
2020-04-09 14:46:04 +10:00 · 2020-04-09 14:46:04 +10:00 · 3de1827b21
parent 49ac65eb41
commit 3de1827b21
1 changed files with 4 additions and 2 deletions
--- a/.buildkite/hooks/pre-exit
+++ b/.buildkite/hooks/pre-exit
@ -2,5 +2,7 @@

 set +u

+if [[ $BUILDKITE_AGENT_META_DATA_CLEANBUILD != "false" ]]; then
  echo "--- :docker: Clean environment"
  docker system prune -af --volumes
+fi