Adding bash flags in hopes that builds stop failing silently

Author: DXCanas

.buildkite/build.sh

@@ -1,6 +1,6 @@
 #! /usr/bin/env bash
 
-set -x
+set -exo pipefail
 
 # Could move this type of setup to hooks
 if [[ $LE_TRIGGERED_FROM_BUILD_ID ]]
@@ -28,4 +28,4 @@ then
 fi
 
 # Upload twice - once to pipeline, and once to this one
-buildkite-agent artifact upload "dist/*.zip"
+buildkite-agent artifact upload "dist/*.zip"