Bash options

shell.sh

set -e # Exit immediately if a command exits with a non-zero status
set -u # Exit immediately if an undefined variable is used (e.g. echo "$UNDEFINED_ENV_VAR")
set -o pipefail # Ensures pipelines (e.g. cmd | othercmd) return a non-zero status if a command fails
set -x # Print each expanded command before executing (useful for debugging)


# Source: https://buildkite.com/docs/guides/writing-build-scripts