An example custom Buildkite Agent bootstrap wrapper that logs the output of all build jobs.

buildkite-bootstrap-wrapper-build-log-output

#!/bin/bash

set -euo pipefail

# A custom bootstrap wrapper that logs the output of all build jobs.
#
# To use this file, either set the env variable before starting the agent:
# BUILDKITE_BOOTSTRAP_SCRIPT_PATH=/path-to-this-file
#
# or the agent configuration key:
# bootstrap-script=/path-to-this-file

exec buildkite-agent bootstrap "$@" |& tee "xyz.log"